With Separator Patents (Class 210/151)
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Publication number: 20140027376Abstract: Volatile organic compounds (VOCs), such as BTEX methanol and other non-phase separable hydrocarbons may be removed from wastewater obtained from oil or gas exploration or production operations by way of a bioreactor. The bioreactor may employ anaerobic microorganisms that metabolize various VOCs. In some embodiments, such a bioreactor may be configured to treat process flow rates of thousands of barrels of wastewater per hour. Such a bioreactor may comprise a large vessel at a larger water treatment site.Type: ApplicationFiled: April 3, 2013Publication date: January 30, 2014Applicant: RN Industries, Inc.Inventors: Kerry J. Spiroff, Nathan Zaugg, Huiwei Yu
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Publication number: 20140027374Abstract: A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system, and an aerobic treatment tank that partially reduces oxygen demand of a portion of the sludge from the sorption tank.Type: ApplicationFiled: September 20, 2013Publication date: January 30, 2014Applicant: SIEMENS WATER TECHNOLOGIES LLCInventors: Wenjun Liu, Edward John Jordan, George W. Smith
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Publication number: 20140014577Abstract: This wastewater treatment system is constituted by being provided with a solid-liquid separator 2 that separates the liquid portion and the solid portion from organic wastewater, a first anaerobic treatment tank 4 that carries out anaerobic treatment of the liquid portion separated by the solid-liquid separator 2 and obtains processed water that has passed through a filter mechanism 3 from sludge, a second anaerobic treatment tank 5 that carries out anaerobic treatment of the solid portion separated by the solid-liquid separator 2, and a sludge supply mechanism 6 that supplies the sludge in the second anaerobic treatment tank 5 to the first anaerobic treatment tank 4, and the filter mechanism functions stably without increasing the size of the anaerobic treatment tanks.Type: ApplicationFiled: March 27, 2012Publication date: January 16, 2014Applicant: KUBOTA CORPORATIONInventors: Shinichiro Wakahara, Maiho Kobayashi
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Publication number: 20140014562Abstract: Disclosed is a dissolved air floatation (DAF)-type pretreatment apparatus. The dissolved air floatation (DAF)-type pretreatment apparatus includes: a floatation tank for removing foreign objects of floating matter, turbid matter, or alga contained in raw water of seawater, sewage, or wastewater; a filtering compartment part provided in the floatation tank and having one surface and the other surface which are partially opened to allow treatment water obtained by primarily removing floating matter from raw water to pass therethrough; and a plurality of filtering balls confined in the filtering compartment part and including a fibrous or spongy material to filter turbid matter or floating or suspended solids remaining in the treatment water introduced to the interior of the filtering compartment part.Type: ApplicationFiled: March 25, 2011Publication date: January 16, 2014Applicant: DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO., LTD.Inventor: Sung Woo Woo
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Publication number: 20140008280Abstract: A membrane supported biofilm apparatus has a plurality of hollow fiber gas permeable membranes in a tank containing water to be treated. A biofilm supported on the membranes occupies between about 40% and 80% of the volume of water to be treated in a reactor. Wastewater treatment processes are described. A process to denitrify water or treat oxidized contaminants comprises introducing hydrogen into an inner volume of the membranes to grow autotrophic organisms in the biofilm near the membrane and heterotrophic organism near the water. Another process is operated as a biomass concentration of at least 10 g/L and up to about 40 g/L to maintain a biofilm having a surface area of over 1000 square metres per cubic metre of tank volume. A hybrid process has suspended biomass and a membrane supported biofilm.Type: ApplicationFiled: September 12, 2013Publication date: January 9, 2014Applicant: ZENON TECHNOLOGY PARTNERSHIPInventors: Hidayat HUSAIN, Rocco MAZZAFERRO, Minggang LIU, Richard WONG, Heather LOSSING, Fengshen FAN, Youngseck HONG, Reid BAYLY
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Patent number: 8622222Abstract: A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a plurality of porous membranes (6) or a set of membrane modules (5) and a device (11) for providing a generally randomly generated, pulsed fluid flow such that, in use, said fluid flow moves past the surfaces of said membranes (6) to dislodge fouling materials therefrom.Type: GrantFiled: May 29, 2008Date of Patent: January 7, 2014Assignee: Siemens Water Technologies LLCInventors: Fufang Zha, Gerin James, Joseph Edward Zuback, Peter Zauner, Roger William Phelps
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Publication number: 20140001107Abstract: Provided is foreign-object offshore processing system, including foreign-object inflow prevention devices configured to prevent inflow of foreign object into water intake and provided at interval. Each device includes: collecting pontoon serving as inlet of foreign object and provided to float on sea surface of pool defined by curtain wall, the pool being for drawing cooling sea water from sea toward water intake; bottom net spreading toward sea bottom on upstream side of water intake channel in triangular shape with collecting pontoon as vertex; longitudinal net fixed to two floating chains in suspended manner to spread out in surface area of sea, the two floating chains extending on sea surface from collecting pontoon in correspondence with two sides extending from vertex of triangular shape forming bottom net; and lateral net spreading between bottom net and at least portion of longitudinal net, wherein horizontal net cover covers interval between adjacent devices.Type: ApplicationFiled: March 2, 2011Publication date: January 2, 2014Applicants: TOHOKU ELECTRIC POWER CO., INC., HIMEJI-ECOTECH CO., LTD., KANAE CORPORATIONInventors: Shinya Ishikawa, Takashi Saito, Kyoichi Shimizu, Masaki Suzuki, Kota Shioda, Masaru Ieyasu
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Publication number: 20130341268Abstract: Treating distilled water with bacteria and other micro-organisms to remove nitrogen compounds from the distilled water. The distilled water may be produced from pretreating and distilling wastewater, such as wastewater from oil and natural gas production. The treatment steps of the distilled water include subjecting the water to microbial action under both anoxic and aerobic conditions and employing a membrane bioreactor to further purify the water. The purified water is still further purified by either reverse osmosis or ion exchange systems.Type: ApplicationFiled: June 21, 2013Publication date: December 26, 2013Inventors: Daniel Ertel, Kent McManus, Jason Rushing, Jerel Bogdan
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Patent number: 8613855Abstract: A waste water treatment apparatus includes a physical filter unit. The physical filter unit includes a filter screen layer therein to filter impurities which are large particles and a distal end connected with a changeable fluid dirt activation unit to discharge the bubbles and particles of the waste water. A side wall of the storage cylinder is provided with a storage pipe to communicate with the top of at least one microorganism filter unit. The microorganism filter unit includes a microorganism filter cylinder to purify the waste water through microorganisms. The waste water treatment apparatus further includes a water storage unit. The water storage unit includes a water storage cylinder to collect the treated water for use.Type: GrantFiled: December 30, 2010Date of Patent: December 24, 2013Assignee: Matala Water Technology Co., Ltd.Inventor: Marc Talloen
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Publication number: 20130334112Abstract: Treatment systems are described which uncouple the solids retention time (SRT) of the recycling bacteria from the wasting bacteria. Elevated recycling bacteria SRTs increase concentrations of nitrifying bacteria in the aeration basin and Anammox bacteria in the anoxic basin, improving nitrification and anaerobic ammonium oxidation. Fluorescence in situ hybridizations were used to identify and determine the abundance of nitrifying bacteria and Anammox bacteria (recycling bacteria) in freshly settled sludge of biological nutrient removal (BNR) secondary clarifiers. An uneven distribution was observed for recycling bacteria in two BNR systems. Settling patterns suggest microcolony formation processes are sensitive to the internal recycle rate, which allow for rapid recycling bacteria microcolony growth by increasing circulation of flocs through the aeration and anoxic basins. Uncoupling the SRT enhances aeration and/or anoxic basin utilization and reduces the overall hydraulic residence time.Type: ApplicationFiled: August 2, 2013Publication date: December 19, 2013Applicant: UNIVERSITY OF SOUTH FLORIDAInventor: Peter G. Stroot
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Publication number: 20130327709Abstract: The present invention describes a method of optimizing CO2 concentration to increase the specific growth rate of Anammox bacteria and methanogens in wastewater and sludge treatment, as well as novel systems and methods of treating wastewater and sludge. The specific growth rate or doubling time of the Anammox bacteria and methanogens were determined to be sensitive to dissolved CO2 concentration. Optimizing dissolved CO2 concentration increases the specific growth rate of the Anammox bacteria, which may be used as an alternative biological nitrogen removal process for the treatment of domestic wastewater. In the method and system of treating sludge, the CO2 stripper returns biogas with low CO2 concentration to the headspace of an anaerobic digester in order to lower the headspace CO2 concentration and therefore, the soluble CO2 concentration. The lower soluble CO2 concentration increases the specific growth rate of the methanogens for a more efficient anaerobic digestion process.Type: ApplicationFiled: August 12, 2013Publication date: December 12, 2013Applicant: UNIVERSITY OF SOUTH FLORIDAInventor: Peter George Stroot
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Publication number: 20130327710Abstract: An anaerobic lagoon wastewater treatment system, which includes a plurality of wastewater treatment zones. The treatment zones are either formed by providing a plurality of separate lagoons or by providing one or more partitioning elements within one lagoon. One or more treatment zones may also be provided in the form of a tank. The first wastewater treatment zone in the direction of wastewater flow has a smaller volume than the second wastewater treatment zone. Further, the first wastewater treatment zone achieves a significant reduction in fat, oil and grease removal, as well as in total suspended solids removal, but only a modest reduction in biological oxygen demand. An effluent from the first wastewater treatment zone is mixed with an effluent from the second wastewater treatment zone such that a predetermined ratio of carbon to nitrogen is maintained within the mixture of first and second effluents.Type: ApplicationFiled: June 12, 2012Publication date: December 12, 2013Inventor: John H. Reid
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Publication number: 20130319940Abstract: In a wastewater treatment system, feed water is processed by anaerobic digestion, preferably in an anaerobic moving bed bioreactor (AnMBBR). Effluent from the AnMBBR passes through one or more solid-liquid separation units. A solids portions is treated by hydrolysis or suspended growth anaerobic digestion. A liquid portion of the hydrolysis or suspended growth anaerobic digestion effluent is returned to the AnMBBR or blended with effluent from the AnMBBR. The AnMBBR effluent may be treated with an aerobic moving bed bioreactor (MBBR) before the one or more solid-liquid separation steps. Membrane filtration may provide a first solid-liquid separation step. A thickened waste stream may be withdrawn from a recirculation loop flowing from the first solid-liquid separation unit to the MBBR. Optionally, a solids portion separated from the feed water upstream of the AnMBBR may also be treated by hydrolysis or suspended growth anaerobic digestion.Type: ApplicationFiled: May 28, 2013Publication date: December 5, 2013Applicant: ANAERGIA INC.Inventors: Juan Carlos JOSSE, Michael David THEODOULOU, Sasha ROLLINGS-SCATTERGOOD
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Publication number: 20130319947Abstract: The invention relates to a process and apparatus that treats waste water, in particular waste water containing surfactants and including grey water, for local reuse. According to the invention, the process comprises a) collecting waste water in a reservoir; b) injecting gas into waste water from the reservoir to form bubbles in the waste water; c) separating the bubbles, and any entrained contaminants, from the waste water; d) drying the separated bubbles and returning any water recovered from the dried bubbles to the waste water undergoing treatment; e) optionally repeating steps b) to d) to achieve the desired purification of the waste water; and f) collecting the purified waste water.Type: ApplicationFiled: June 24, 2011Publication date: December 5, 2013Inventor: William Peter Keith Kennedy
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Publication number: 20130313190Abstract: A desalination system (100) having an intake unit (110) providing seawater to a pre-treatment unit (120) connected to a reverse osmosis (RO) desalination unit (130) and a post treatment unit (150). The desalination system (100) is configured to operate without any external addition of chemicals to simplify logistics and regulation concerns. The units of the system are configured to prevent biofouling, scaling and corrosion by mechanical and biological means including high flow speeds, biological flocculation of colloids, and making the water entering the RO units inhospitable to bacteria and other organisms that cause biofouling, hence preventing their settlement and removing them with the brine. Recovery rate is lowered and energy is recovered to increase the energetic efficiency and minerals that are added to the product water are taken from the brine.Type: ApplicationFiled: October 24, 2011Publication date: November 28, 2013Applicant: I.D.E. TECHNOLOGIES LTDInventors: Amnon Levy, Boris Liberman, Gal Greenberg
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Publication number: 20130313173Abstract: Device for treating water comprising a solid filter drum. The invention relates to a device for treating water comprising:—a biological treatment zone (13) housing a plurality of biological discs (16) mounted on a shaft (17) that can be turned, —a filtration zone (14) housing a filter drum (20) mounted on the same shaft as the said biological discs (16), —conveying means (39) for conveying biologically treated water originating from said biological treatment zone (13) into said filter drum (20), —means for unplugging said filter drum (20), which means are positioned on the outside of said filter drum (20), —sludge collection means (24) positioned inside said filter drum (20) facing said unplugging means and connected to a discharge line (28, 29, 30) that discharges said sludge from said filter drum (20).Type: ApplicationFiled: June 30, 2011Publication date: November 28, 2013Inventors: Thomas Schmitt, Nikolai Hertfelder
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Publication number: 20130306568Abstract: A system and method of operating the same includes an absorption tank having a compressor communicating gas thereto, a suspended solid filtration tank having a primary inlet, a secondary inlet, a primary outlet and a secondary outlet and a pump comprising a pump inlet coupled to the secondary outlet and a pump outlet communicating fluid to the absorption tank. The absorption tank forms a solution from the fluid and gas. A turbine mechanically couples the pump with a common shaft extending to the pump. The turbine has a turbine inlet coupled to the absorption tank and a turbine outlet coupled to the secondary inlet. The turbine depressurizes the solution. The system may also use a centrifugal pump in place of a turbine and absorption tank.Type: ApplicationFiled: May 13, 2013Publication date: November 21, 2013Applicant: Fluid Equipment Development Company, LLCInventor: Eli Oklejas, JR.
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Publication number: 20130306554Abstract: A device for the purification of organically polluted wastewater, including at least one biofilter for the wastewater purification, which biofilter includes a bioactive bed with a first layer of coconut mesocarp pieces, the device further including a water supply for supplying waste water to be purified to an upper part of the biofilter at a position above the first layer and a water collector for collecting purified water from a lower part of the biofilter at a position below the first layer. The mesocarp pieces of the first layer have a mean particle size of at least 1 cm, in that the first layer is compacted to have a density of between 75 and 275 kg/m3.Type: ApplicationFiled: May 16, 2012Publication date: November 21, 2013Applicant: QUAESTOR B.V.B.A.Inventor: Erik KERKHOFS
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Patent number: 8585892Abstract: A wastewater treatment system includes independent wastewater treatment facilities. Each of the facilities has a number of wastewater treatment subsystems. A wastewater collection subsystem holds wastewater to be treated. A pump subsystem moves wastewater from a wastewater collector to a filtration subsystem having a bioreacting filter. The filter has a sump and a fluidized-bed filter therein and supports the filter upright. The filter has an upwardly expanding, hollow, conical filter body with filter media. A monitoring subsystem measures wastewater process parameters. Control devices receive control commands and, dependent upon the command received, alter parameters of the wastewater treatment subsystems.Type: GrantFiled: June 3, 2010Date of Patent: November 19, 2013Assignee: Biofilter Systems, LLCInventors: Mark B. Robertson, David O'Keefe, John D. Cox, Daniel T. White
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Patent number: 8580115Abstract: A method of cleaning filtration modules for the treatment of raw water, or wastewater, or activated sludge, is provided by circulating particles in untreated water. The deposits located on the filter membrane outer surfaces are removed by the mechanical action of the particles, without significantly damaging the membrane. Initially, untreated water, wastewater, or activated sludge is chemically-mechanically pretreated. Then the untreated water or wastewater polluted with biologically active material is discharged into a membrane bioreactor system having a filtration unit including at least one filtration tank. At least one submerged filtration membrane module is present in the filtration tank. The untreated water or wastewater in this filtration tank is filled with particles and circulates inside the filtration tank. The particles are non-porous, biologically resistant polymer particles.Type: GrantFiled: April 23, 2009Date of Patent: November 12, 2013Assignee: Microdyn-Nadir GmbHInventors: Stefan Krause, Reinhard Voigt, Peter Cornel
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Publication number: 20130277291Abstract: The invention provides a Bioreactor-Membrane Integrated Technology (B-MIT), comprising an immobilized cellular system bioreactor that initially treats raw water, functionally integrated with a membrane system where the biologically treated water is filtered to generate high quality finished water.Type: ApplicationFiled: January 23, 2013Publication date: October 24, 2013Inventor: Martin Hauschild
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Publication number: 20130277302Abstract: A treatment system for removing a plurality of pollutants from wastewater includes a removal device for removing a plurality of gross solids from the wastewater, an aeration device for reducing a biochemical oxygen demand (BOD) and a chemical oxygen demand (COD) of the wastewater and a bioreactor containing a bacterial biofilm, said bioreactor including a plurality of cells configured for operation on a predetermined drain fill cycle.Type: ApplicationFiled: March 14, 2013Publication date: October 24, 2013Inventors: Klaus Doelle, Steve Giarrusso, David L. Johnson
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Publication number: 20130270182Abstract: A wastewater treatment system is provided having a reactor, first and second bio media and an aeration system. The first bio medium is located proximate an inlet end of the reactor and extends vertically between a top water level and the reactor's floor. The second bio medium is located proximate an outlet end of the reactor and extends vertically between a bottom water level and the reactor's floor. The media are adapted for retaining solids within the reactor as clarified water is withdrawn after treatment. The first bio media is further adapted to act as a baffle thereby causing wastewater to flow generally uniformly into a primary reactor zone. The aeration system includes a plurality of diffusers, some of which may be located adjacent or underneath the bio media and are adapted for promoting the shaking the bio media when activated in order dislodge excessive biomass therefrom.Type: ApplicationFiled: April 17, 2012Publication date: October 17, 2013Inventors: Charles E. THARP, Randall C. Chann
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Publication number: 20130270191Abstract: A nanoflotation system used to separate suspended solids or large settling or floating solids from water, waste water or liquids. This is accomplished through the use of submerged membranes, in combination with a number of design components comprising froth flotation, gravity settling, pre coating of the submerged membranes, spacing, of the membranes to facilitate flotation of solids to the surface or to the bottom of the containment chamber holding the submerged membranes, and membrane structures which use large diameter hollow fibre or tubular membranes and/or large pore opening membrane materials.Type: ApplicationFiled: October 5, 2012Publication date: October 17, 2013Inventor: David BROMLEY
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Publication number: 20130270165Abstract: Enclosed reactor systems, each of at least three chambers, fluid flow between the chambers controlled by selectively permeable barriers, flow controlled by an alternating flow diaphragm pump. Also dual diaphragm pump, a diaphragm pump-driven sampling manifold, and a modifier module, all usable with the enclosed reactor systems as well as other systems.Type: ApplicationFiled: August 24, 2011Publication date: October 17, 2013Inventor: Jerry Shevitz
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Publication number: 20130264254Abstract: Devices used in an oil-containing wastewater treatment system are simplified by efficiently combining differences in processes used in the system. The oil-containing wastewater treatment system includes a separation tank that separates oil by flotation, the separation tank being arranged in a supply path of raw water which is oil-containing wastewater; a membrane filtration tank that is arranged on the downstream of the separation tank and that includes therein a membrane separation module including a hollow fiber membrane or a flat sheet membrane, and a diffuser for generating air bubbles, the diffuser being disposed below the membrane separation module; a supply pipe that supplies the raw water from the separation tank to the membrane filtration tank through a circulating pump; and a return pipe that returns unfiltered water containing the oil and air bubbles from the membrane filtration tank to the separation tank.Type: ApplicationFiled: August 28, 2012Publication date: October 10, 2013Applicant: SUMITOMO ELECTRIC FINE POLYMER, INC.Inventors: Kenichi Ushikoshi, Toru Morita, Kiyoshi Ida, Teizo Mizutani
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Publication number: 20130264282Abstract: Wastewater influent is supplied to an aeration zone having a membrane module. Activated sludge is established in the aeration zone and an oxygen surplus is maintained by controlling a rate of oxygen supplied to the aeration zone. Wastewater influent is mixed with the activated sludge to form a first mixed liquid. A portion of the first mixed liquid is filtered to form a filtrate and unfiltered activated sludge. The unfiltered activated sludge is mixed with the activated sludge in the aeration zone to form the first mixed liquid. A portion of the first mixed liquid is transferred from the aeration zone to an anaerobic zone, and a second portion of first mixed liquid is mixed with activated sludge in the anaerobic zone to form a second mixed liquid. The second mixed liquid is recycled to the aerobic zone.Type: ApplicationFiled: December 16, 2011Publication date: October 10, 2013Inventors: Guanghao Chen, Peng Bai, Ho Kwong Chui
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Publication number: 20130264279Abstract: A renewable energy microgeneration system is disclosed. The system comprises one or more portable containers that include a plurality of small holding tanks that are configured to perform at least one of pasteurization and thermophilic anaerobic digestion on waste, a large holding tank that is configured to perform mesophilic anaerobic digestion on the waste after at least one of pasteurization and thermophilic anaerobic digestion is performed, and a de-watering unit that is configured to dry what remains of the waste after mesophilic anaerobic digestion is performed. The system further comprises a controller for automatically moving the waste between the plurality of small holding tanks, the large holding tank, and the de-watering unit as required to facilitate mesophilic anaerobic digestion in the large holding tank. Further, the portable containers are configured to be transported to a site and placed in fluid communication with each other at the site.Type: ApplicationFiled: June 5, 2013Publication date: October 10, 2013Inventor: Nicolas W. SASSOW
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Patent number: 8551330Abstract: A carbon adsorption vessel for use in a CIP (carbon in pulp) or CIL (carbon in leach) process may be constructed. A slurry is obtained having dissolved (leached) precious metals. The slurry is brought into contact with carbon particles and is passed through a retention screen in the vessel. The dissolved precious metals adhere onto the carbon particles. An air lift pump provides the pressure differential necessary to drive the slurry through the retention screen, wherein the carbon particles are retained by the retention screen and the slurry passes through the retention screen. After passing through the retention screen, the slurry is received in to a receiving vessel that may be situated at, below or above the level of source vessel.Type: GrantFiled: June 23, 2010Date of Patent: October 8, 2013Assignee: WesTech Engineering, Inc.Inventors: Ralph A. Cutler, Jeffery H. Easton
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Patent number: 8551337Abstract: A method for treating an organic waste, in which the organic waste is pressurized and continuously supplied to a high temperature and pressure treatment apparatus to produce a slurried material by blowing steam into the organic waste to cause a reaction while heating, pressurizing and agitating. The slurried material is dehydrated to produce a separated liquid product and a separated solid product. The separated solid product includes sufficient combustible content to produce a fuel product. The separated liquid product is purified.Type: GrantFiled: September 28, 2011Date of Patent: October 8, 2013Assignee: SGC Advisors, LLCInventors: Akiteru Noguchi, Koichi Doi, Katsuhiro Tsubai
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Publication number: 20130256224Abstract: A tanning wastewater treatment and reuse apparatus includes a coarse filter, a regulation pool, a hydraulic sieve, a desulfurization pool, a first nanocatalytic electrolyzer, a flocculation pool, a first settling pool, a flotation device, a biochemical pool, a second settling pool, a second nanocatalytic electrolyzer, a fine filter, and a compressor. Also provided is a tanning wastewater treatment and reuse method includes the steps of desulfurization, first nanocatalytic electrolysis, flocculation, biochemical treatment, second catalytic electrolysis, and filtration. The invention allows high CODCr removal rate, reduced chemical agent consumption, reduced sludge formation, thorough treatment, and high water reuse rate.Type: ApplicationFiled: July 1, 2011Publication date: October 3, 2013Applicant: BOYING XIAMEN SCIENCE AND TECHNOLOGY CO., LTD.Inventor: Shiwen Zhang
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Patent number: 8540877Abstract: A ballasted sequencing batch reactor system for treating wastewater including one or more sequencing batch reactors. A weighting agent impregnation subsystem is configured to mix biological flocs and weighting agent to form weighted biological flocs. A weighting agent recovery subsystem is configured to recover weighting agent from the weighted biological flocs and reintroduce the recovered weighting agent to the weighting agent impregnation subsystem.Type: GrantFiled: September 26, 2012Date of Patent: September 24, 2013Assignee: Siemens Water Technologies LLCInventor: Steven E. Woodard
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Publication number: 20130240420Abstract: A wastewater treatment system includes a wastewater collection system, at least one aeration subsystem aerating the aerobic portion, and at least one filtration subsystem. The wastewater collection system has an anoxic portion, an aerobic portion downstream of the anoxic portion, an anaerobic portion downstream of the aerobic portion. The filtration subsystem includes at least one bioreacting filter receiving fluid from the aerobic portion, being operable to filter wastewater received from the aerobic portion, and discharging filtered fluid into the anoxic portion, an oxygen contactor fluidically connected between the aerobic portion and the at least one bioreacting filter and operable to diffuse oxygen into the fluid being supplied from the aerobic portion, and an oxygen supply operable to supply oxygen to the oxygen contactor.Type: ApplicationFiled: March 14, 2013Publication date: September 19, 2013Applicant: BIOFILTER SYSTEMS, LLCInventors: Mark B. Robertson, David O'Keefe, John D. Cox, Daniel T. White
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Patent number: 8535533Abstract: The invention provides a bioretention system comprising one or more chambers and a high flow bypass system with top and bottom weirs for water filtration and storm water flow management. The invention also provides methods that are useful for managing storm water flow and inhibiting the flow of pollutants, debris, and other contaminants into drainage systems.Type: GrantFiled: December 22, 2010Date of Patent: September 17, 2013Assignee: KriStar Enterprises, Inc.Inventor: Douglas Allard
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Publication number: 20130233793Abstract: Anaerobic treatment of water is performed under anaerobic conditions with a biofilm formed on a surface of a fluid non-biological carrier in a reaction vessel. Stable high-load treatment is performed by preventing the blockage of the reaction vessel caused by the flotation and adhesion of the non-biological carrier in the reaction vessel and effectively recovering the settleability of the carrier floating owing to adhering air bubbles by simple means. A reaction vessel is charged with a fluid non-biological carrier having a size in the range of 1.0 to 5.0 mm and a settling velocity in the range of 200 to 500 m/h. Part of the carrier that has floated and flowed out of the reaction vessel is fed downward through a pipe having a vertical height of 50 cm or more so as to remove air bubbles adhering to the carrier and is returned to the reaction vessel.Type: ApplicationFiled: November 17, 2011Publication date: September 12, 2013Inventors: Takaaki Tokutomi, Hideaki Shinto
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Publication number: 20130228523Abstract: An inlet device is provided for providing a mixture of a less dense liquid component and a more dense liquid component to a separator vessel. The inlet device comprises an annular chamber and an inlet which causes the mixture to swirl around the axis of the annular chamber. As a result, a vortex is caused in the separator vessel as the mixture enters it from the inlet device. This vortex is used to separate the more dense liquid component from the less dense liquid component, with the less dense liquid component being forced to the centre of the vortex where it is removed via an outlet which runs through the centre of the annular chamber. The inlet device also comprises a gas distributor for introducing gas bubbles into the mixture before it enters the separator vessel, thereby improving the separation of the more dense liquid component from the less dense liquid component.Type: ApplicationFiled: August 31, 2011Publication date: September 5, 2013Applicant: MERPRO TORTEK LIMITEDInventors: Corin Main, Shejiao Han, Francis Podger
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Patent number: 8524084Abstract: A wastewater treatment system includes wastewater having nitrogen-containing compounds, an anoxic zone having denitrifying bacteria, and an aerobic zone having nitrifying bacteria. The anoxic zone is coupled to the aerobic zone, and wastewater flows from the anoxic to the aerobic zone or vice versa. A fluidized bed heat exchanger configured to accept heat from a heat engine and to transfer the heat from the heat engine to the wastewater is positioned in the aerobic zone or the anoxic zone. The fluidized bed heat exchanger includes particulate media, and fluidization of the particulate media scrubs bacterial growth from portions of the fluidized bed heat exchanger. Treating wastewater can include flowing wastewater having nitrogen-containing compounds into a biological reactor having an anoxic zone and an aerobic zone, and heating the wastewater with heat from a heat engine to facilitate denitrification reactions in the anoxic zone and nitrification reactions in the aerobic zone.Type: GrantFiled: December 20, 2012Date of Patent: September 3, 2013Inventor: Alexander Fassbender
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Patent number: 8518249Abstract: A biological wastewater treatment system is provided which is adaptable to small, shop fabricated package plants and large, assembled in place plants, and which can be operated as a secondary treatment, activated sludge process, for suspended solids and BOD removal, or a tertiary treatment, activated sludge process, for suspended solids, BOD, nitrogen and phosphorus removal. The system includes a wastewater pump and an air aspirator-mixer to provide aeration, sludge recirculation and waste, and wastewater recirculation for the secondary and tertiary treatment processes. The aeration system with the air aspirator-mixer transfers oxygen to the wastewater, and is located outside aeration tanks. The wastewater pump and air aspirator-mixer system lends itself to continuous and cyclic aeration and oxic and anoxic treatment processes. The multiple use of the wastewater pump for aeration, recirculation and sludge waste minimizes the number of pumping systems required and eliminates air blowers.Type: GrantFiled: May 8, 2009Date of Patent: August 27, 2013Inventor: Jan A. Korzeniowski
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Publication number: 20130206692Abstract: A tanning wastewater treatment and recycling method based on nano-catalytic electrolysis technology and membrane technology relates to a tanning wastewater treatment. The tanning wastewater treatment and recycling method based on the nano-catalytic electrolysis technology and the membrane technology and a device thereof has a high COD removal rate, a low chemicals consumption, few sludges, thorough treatment, and a high reuse rate of water. The tanning wastewater treatment and recycling device based on the nano-catalytic electrolysis technology and the membrane technology includes: a coarse grid filtering machine, a regulating pool, a hydraulic sieve, a nano-catalytic electrolytic machine, a reaction pool, a sedimentation pool, an air flotation device, a biochemical pool, a secondary sedimentation pool, a secondary nano-catalytic electrolytic machine, a filter and a membrane system.Type: ApplicationFiled: July 1, 2011Publication date: August 15, 2013Inventor: Shiwen Zhang
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Patent number: 8506800Abstract: A system for enhancing an activated sludge process including at least one biological reactor. A weighting agent impregnation subsystem is coupled to the biological reactor for mixing biological flocs and weighting agent to impregnate the weighting agent into the biological flocs to form weighted biological flocs. A weighting agent recovery subsystem is configured to recover the weighting agent from the weighted biological flocs and reintroducing the recovered weighting agent to the weighting agent impregnation subsystem.Type: GrantFiled: May 1, 2012Date of Patent: August 13, 2013Assignee: Siemens Industry, Inc.Inventors: Steven Woodard, Peter G. Marston, Ionel Wechsler
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Patent number: 8506810Abstract: A process and an apparatus for low-emission storage of biodegradable materials by means of aeration, without aerobic conditions materializing in the material, permits a more consistent feed of the downstream stages in the process. Aeration inhibits methanogenesis and the risk potential of an explosive gas mixture forming in the storage vessel or in the components of the system exhausting waste gas. Closed loop control of the aeration adapts the rate of aeration to the biological activity in the stored material and minimizes air input so as to minimize the loss of methanogenesis potential by aerobic conversion of the matter whilst minimizing the energy required for aeration. The process is characterized in that controlling the aeration in the storage vessel inhibits relevant methanogenesis.Type: GrantFiled: October 19, 2004Date of Patent: August 13, 2013Assignee: BTA International GmbHInventors: Hans Kuebler, Roland Carra, Margarita Nimmrichter
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Publication number: 20130200007Abstract: A liquid recovery system and methods of recycling water from liquid-solid mixture such as slurry produced by pavement grinding machines, drilling fluid containing cuttings, and septage. The system includes a storage tank or a settling tank, a centrifuge in flow communication with the storage tank or settling tank, such as a hydraulic centrifuge, a solids storage component, and a cleaned liquid storage tank in flow communication with the centrifuge. The system may also include a porous conveyor belt for removal of large solids from the mixture prior to centrifugation and may also include one or more blowers directed at the porous conveyor.Type: ApplicationFiled: March 15, 2013Publication date: August 8, 2013Applicant: O3 INDUSTRIES, LLCInventor: O3 Industries, LLC
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Publication number: 20130199977Abstract: The present disclosure relates to a technique for inhibiting biofouling of the surface of a membrane caused by a biofilm, through immobilizing biofilm formation-inhibiting microorganisms to a container in a membrane process for water treatment. The present disclosure provides a container with biofilm formation-inhibiting microorganisms immobilized therein, including a permeable container and biofilm formation-inhibiting microorganisms immobilized in of the container. The present disclosure also provides a membrane water treatment apparatus comprising a reactor accommodating water to be treated, a membrane module for water treatment and a container with biofilm formation-inhibiting microorganism immobilized therein placed in the reactor.Type: ApplicationFiled: October 14, 2011Publication date: August 8, 2013Applicant: SNU R & DB FOUNDATIONInventors: Chung-Hak Lee, Hyun-Suk Oh, Sang Ryoung Kim, Jung-Kee Lee, Son-Young Park
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Patent number: 8500996Abstract: Broadly, an exemplary embodiment of the present invention provides a self sustaining green vegetated roof for harvesting and recycling rain water, including a re-created wetland disposed to harvest rain water, the re-created wetland supported on top of a combination of pervious and impervious layers of materials configured on a top surface of a roof of a building; a water filtration system disposed to mimic a natural wetland ecosystem; and a storage system disposed to collect water from the filtration system to be made available for use.Type: GrantFiled: November 16, 2010Date of Patent: August 6, 2013Inventor: Ryan Mitchell Bunting
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Patent number: 8500995Abstract: A method is for the treatment of ballast water, in which the ballast water is carried into a ballast tank via a down pipe and in which an underpressure created at the upper portion of the down pipe induces the formation of gas bubbles in the ballast water. Before flowing into the down pipe, the ballast water is carried via a throttling device into a closed container at the upper portion of the down pipe, the closed container having a flow area larger than the flow area of the down pipe.Type: GrantFiled: February 21, 2011Date of Patent: August 6, 2013Assignee: Knutsen Ballastvann ASInventor: Per Lothe
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Publication number: 20130196375Abstract: A bio factory apparatus capable of Up-Stream production of biologic material products or biologics products in a liquid volume and processing of biologic or biologic material products Down-Stream, comprising at least one first Up-Stream producing capsule and at least one second Down-Stream processing capsule, said capsules capable of being stacked in any order and any number within a column.Type: ApplicationFiled: June 21, 2011Publication date: August 1, 2013Applicant: STROBBE TECH A/SInventor: Per Strobbe
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Publication number: 20130193069Abstract: A system for treating an effluent includes a cap assembly and a reactor module. The cap assembly captures the effluent discharge from a source. The reaction module includes a reaction chamber housing a substrate and an illumination device. In operation, the effluent is drawn into the cap assembly and directed downstream, into the reactor module. The effluent flows over the substrate, causing adsorption of bacteria to substrate. Additionally, the illumination device is selectively activated to direct photons toward the effluent for selected periods of time. With this configuration, a biomass formed of algae develops in the reaction chamber (e.g., on the substrate). The biomass is effective to reduce the amount of contaminates within the effluent.Type: ApplicationFiled: January 26, 2013Publication date: August 1, 2013Inventors: Brian L Aiken, Blair M. Aiken
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Patent number: 8496808Abstract: A wastewater treatment apparatus (10) includes one or more treatment tanks (12, 14). Each treatment tank (12, 14) has an associated oxygenation treatment circuit (18) including a gas and liquid mixing chamber (20), a gas injector (22) upstream of the mixing chamber (20) and one of an oxygen generator (24) or an ozone generator (26) supplying gas to the gas injector (22), and a pump (28, 29) for pumping wastewater from the treatment tank (12, 14) through the mixing chamber (20) and back to the treatment tank (28, 29).Type: GrantFiled: March 16, 2007Date of Patent: July 30, 2013Assignee: Seair IncInventors: Harold Kinasewich, Chris Kinasewich
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Publication number: 20130186822Abstract: Described herein are systems and processes employing a low energy forward osmosis membrane water processing system to simultaneously (1) detoxify reverse osmosis (RO) residual (reject) brines from ground water treatment, and (2) expand available industrial and agricultural ground water supplies.Type: ApplicationFiled: January 21, 2013Publication date: July 25, 2013Applicant: HYDRATION SYSTEMS, LLCInventor: HYDRATION SYSTEMS, LLC
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Patent number: 8491789Abstract: Disclosed herein are systems and process integrating the chemical-free oxidation of a photocatalytic decontamination process with a biological decontamination system to eliminate the THM and HAA precursors in drinking water. In one embodiment, a system may comprise a source providing fluid media contaminated with toxic natural organic matter, and a photocatalytic decontamination subsystem configured to oxidize the toxic natural organic matter via a photocatalytic process into non-toxic natural organic matter having a molecular weight low enough for biodegrading said non-toxic matter. The system may include a biological decontamination subsystem configured to immediately receive the contaminated fluid output from the photocatalytic decontamination subsystem, and employing a biological agent to biologically degrade the low-molecular weight non-toxic natural organic matter in the contaminated fluid to a concentration sufficient to prevent the formation of trihalomethanes or haloacetic acids.Type: GrantFiled: July 30, 2010Date of Patent: July 23, 2013Inventors: Brian E. Butters, Anthony L. Powell