And Recirculating Liquid Patents (Class 210/805)
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Patent number: 8206589Abstract: Various embodiments described herein provide methods and apparatus for producing purified water from sea water or some other salty or brackish water source by using brackish concentrate mixed with salty water. The various embodiments also provide methods and apparatus for the treatment of toxicity of brackish concentrate, which brackish concentrate exhibits on aquatic life inhabiting the area of discharge of the brackish concentrate, as well as a method for environmentally safe disposal of brackish concentrate.Type: GrantFiled: April 15, 2009Date of Patent: June 26, 2012Assignee: Poseidon Resources IP LLCInventor: Nikolay Voutchkov
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Patent number: 8201697Abstract: A variety of improved hydroclone based fluid filtering systems are described. The hydroclones generally include a tank having an internal chamber and a filter (preferably a surface filter) that is positioned within the internal chamber. The filter defines a filtered fluid chamber within the internal chamber of the tank. The hydroclone may be operated such that a vortex of flowing fluid is formed between the chamber wall and the filter with the filter being located in the center of the vortex. With this arrangement, the filter acts as a cross-flow filter. In one aspect of the invention, the filter is a stepped filter. In another aspect of the invention, the filter is an surface filter, as for example, an electroformed metal surface filter. In some preferred embodiments, the openings in the filter are arranged as slots that extend substantially vertically so that they are oriented substantially perpendicular to the flow path of fluid flowing in the adjacent portion of the vortex.Type: GrantFiled: February 1, 2011Date of Patent: June 19, 2012Assignee: Dow Global Technologies LLCInventors: David J. Levitt, Frank Dutro
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Patent number: 8197693Abstract: Sea water is not suitable for human consumption. Naturally present dissolved chemicals in sea water make it inconsumable. The precipitants and dissolved chemicals need to be separated from water to make it consumable. A combination of aeration system, filtration system, crystallizer, hydrophobic membrane carrying filter and pressure retarded osmosis system are used in various combination to desalinate the sea water. Pressure retarded osmosis process is also used to produce pressurized diluted brine which is further decompressed to by the turbine and used by the generators to produce electricity. Various heat exchange apparatus are used for energy conservation and efficient processing of water in a feasible way. The disclosure enables to purify water and provide an economical means for producing electricity.Type: GrantFiled: January 15, 2012Date of Patent: June 12, 2012Assignee: King Abdulazia City for Science and Technology (KACST)Inventor: Saad A Al-Jlil
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Publication number: 20120138541Abstract: Systems, compositions, and methods for dewatering and/or increasing a mechanical strength of mine tailings. These systems, compositions, and methods may include combining mine tailings with wicking fibers to form a composite mine tailings mixture. The wicking fibers may provide a conduit for the removal of fluid from the composite mine tailings mixture. The composite mine tailings mixture further may include a binder that may decrease repulsive forces among fine particles that comprise the mine tailings and/or increase attractive forces among the fine particles, leading to a separation of the fine particles from at least a portion of the fluid contained within the composite mine tailings mixture. The composite mine tailings mixture may be placed in a storage or dewatering area as a composite mine tailings mixture deposit, which may include internal structure, such as layers of the composite mine tailings mixture and/or long-range orientation of the wicking fibers contained therein.Type: ApplicationFiled: October 13, 2011Publication date: June 7, 2012Inventors: David C. Rennard, Robert D. Kaminsky, Thomas R. Palmer
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Patent number: 8192631Abstract: An apparatus and method for treating raw water. The apparatus includes a vessel having an inlet for the raw water, an outlet for the skimmed water, a rotor mechanism for creating a plurality of gas bubbles within the raw water, and a disperser device operatively associated with the rotor mechanism for dispersing the plurality of gas bubbles from the rotor mechanism within the vessel. The vessel contains raw water. The gas bubbles create an oily froth on top of the raw water. The apparatus further includes a skim tray positioned about the rotor mechanism for removing the oily froth from the top of the raw water and a secondary skimmer positioned within the skim tray. An external skim tank may be configured to deliver a gas to the rotor mechanism and to receive the oily froth from the secondary skimmer.Type: GrantFiled: September 2, 2011Date of Patent: June 5, 2012Assignee: CCS Energy Services LLCInventors: Melvin O. Stacy, Mark G. Arceneaux, Eric Wingate
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Patent number: 8187429Abstract: A wastewater treatment apparatus and method with stair-like heat treatment tanks for performing a breakdown process are disclosed, in which the apparatus comprises: a mixing tank, for evenly mixing wastewater with reaction agents and thus forming a mixed solution; a plurality of heat treatment tanks, for enabling the mixed solution to circulate therein while being heating for a period of time so as to perform an organic destruction process upon the mixed solution and thus cause a discharging liquid to be formed; a heat exchanger, for enabling a heat exchanging process between the discharging liquid and the mixed solution to be performed therein; a condensation tank, for receiving and cooling the discharging liquid; a water purifier, for purifying and thus separating the discharging water into a cleaned water and a concentrated liquid for outputting; an agent recycling unit, for electrolyzing the concentrated liquid so as to recycle the reaction agents.Type: GrantFiled: October 22, 2009Date of Patent: May 29, 2012Assignee: Institute of Nuclear Energy Research Atomic Energy Council, Executive YuanInventors: Jen-Chieh Chung, Ming-Hsin Wu, Yu-Chang Liu
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Patent number: 8182689Abstract: A method of dewatering algae and recycling water therefrom is presented. A method of dewatering a wet algal cell culture includes removing liquid from an algal cell culture to obtain a wet algal biomass having a lower liquid content than the algal cell culture. At least a portion of the liquid removed from the algal cell culture is recycled for use in a different algal cell culture. The method includes adding a water miscible solvent set to the wet algal biomass and waiting an amount of time to permit algal cells of the algal biomass to gather and isolating at least a portion of the gathered algal cells from at least a portion of the solvent set and liquid of the wet algal biomass so that a dewatered algal biomass is generated. The dewatered algal biomass can be used to generated algal products such as biofuels and nutraceuticals.Type: GrantFiled: September 30, 2011Date of Patent: May 22, 2012Assignee: Heliae Development, LLCInventor: Aniket Kale
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Patent number: 8177915Abstract: A filtration system for a dishwasher, and an associated apparatus and method, are provided, comprising a macerator chamber adapted to house a macerator device. The macerator chamber is configured to receive washing fluid for the macerator device to comminute contaminants within the washing fluid. A drain chamber is in fluid communication with the macerator chamber and is configured to receive the washing fluid and comminuted contaminants therefrom via a fluid port therebetween. The drain chamber has a vented member associated therewith, which defines at least one first vent providing fluid communication between the drain chamber and the washing fluid circulation system. The vented member is spaced apart from the fluid port, and is configured to strain the comminuted contaminants from the washing fluid so as to retain the comminuted contaminants within the drain chamber while allowing the washing fluid to pass therethrough to the washing fluid circulation system.Type: GrantFiled: May 13, 2009Date of Patent: May 15, 2012Assignee: Electrolux Home Products, Inc.Inventors: Virgil J. Francisco, Mark D. Montgomery, Ashish A. Verma, David E. House
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Patent number: 8162568Abstract: A remediation system for decontaminating a polluted site that delivers a remediation fluid to the polluted site and receives a contaminated effluent from the polluted site. The system includes a reactor that receives the contaminated effluent and generates an exit fluid stream and a first flow control mechanism coupled to the outlet of the reactor that releases a controlled portion of the exit fluid from the system, and delivers the remaining portion of the exit fluid as the remediation fluid, or delivers the remaining portion to a second flow control mechanism for combination with a controlled quantity of the second reactant to form the remediation fluid.Type: GrantFiled: March 14, 2006Date of Patent: April 24, 2012Assignee: Vast Power Portfolio, LLCInventors: Bill Goheen, Ronald L. Klaus, David L. Hagen, Gary Ginter, Allen McGuire, Timothy Naylor
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Patent number: 8153782Abstract: Processes for recycling an ionic liquid comprising employing an initial ionic liquid as a solvent and/or reagent resulting in a modified ionic liquid and thereafter subjecting at least a portion of the modified ionic liquid to at least one anion exchange process to produce a reformed ionic liquid. The initial ionic liquid can be employed in a cellulose esterification process, thereby producing the modified ionic liquid. At least a portion of the reformed ionic liquid can be recycled to a point upstream in the cellulose esterification process.Type: GrantFiled: February 13, 2008Date of Patent: April 10, 2012Assignee: Eastman Chemical CompanyInventors: Charles Michael Buchanan, Norma Lindsey Buchanan
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Patent number: 8142667Abstract: A method and apparatus for removing settleable solids and unsettleable solids from a partially closed flush system in a dairy milking operation whereby a first processing tank bottom removes settleable solids contained therein where the net current flow vertically in the process tank is less than the settling rate of the settleable solids contained therein. The process tank batch feeds a plurality of thickening tanks that are each allowed to settle for a period of time before transferring fluid is to a second separator. The method and apparatus uses the solids for feeding a digester.Type: GrantFiled: October 5, 2007Date of Patent: March 27, 2012Assignee: Daritech, Inc.Inventor: David C. DeWaard
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Publication number: 20120070356Abstract: Process and device for separating liquid from a multiphase mixture contained in a vessel and comprising solid particles and at least one liquid phase forming together at least one suspension, and a gas phase in which at least part of the mixture is circulated through at least one cross-flow filter located outside the vessel, therefore separating said part of the mixture into a filtered liquid and a concentrate.Type: ApplicationFiled: June 2, 2010Publication date: March 22, 2012Applicant: SOLVAY SAInventors: Jal Rustom Dadabhoy, Massimo Fedeli, Patrick Markus Dhaese, Yvan Frans Van Hoof
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Patent number: 8137558Abstract: A method for producing biofuels is provided. A method of making biofuels includes dewatering substantially intact algal cells to make an algal biomass, extracting neutral lipids from the algal biomass, and esterifying the neutral lipids with a catalyst in the presence of an alcohol. The method also includes separating a water soluble fraction comprising glycerin from a water insoluble fraction comprising fuel esters and distilling the fuel esters under vacuum to obtain a C16 or shorter fuel esters fraction, a C16 or longer fuel ester fraction, and a residue comprising carotenoids and omega-3 fatty acids. The method further includes hydrogenating and deoxygenating at least one of (i) the C16 or shorter fuel esters to obtain a jet fuel blend stock and (ii) the C16 or longer fuel esters to obtain a diesel blend stock.Type: GrantFiled: September 30, 2011Date of Patent: March 20, 2012Assignee: Heliae Development, LLCInventor: Aniket Kale
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Publication number: 20120061334Abstract: A method for controlling fouling of a settler vessel overflow system comprises maintaining at least a minimum stream flow in the overflow system by recirculating a portion of the overflow stream. A system for performing the method is also disclosed.Type: ApplicationFiled: September 14, 2011Publication date: March 15, 2012Applicant: FORT HILLS ENERGY INC.Inventors: SHAWN VAN DER MERWE, THOMAS C. HANN
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Patent number: 8133401Abstract: A method and apparatus is provided for conveying lime slurry, removing and controlling the amount of grit, and feeding lime slurry, wherein the lime slurry moves through a recirculation loop, and wherein gravity removal of grit from the lime slurry takes place.Type: GrantFiled: April 14, 2005Date of Patent: March 13, 2012Assignee: RDP CompanyInventors: Paul G. Christy, Michael Quici
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Patent number: 8128829Abstract: Cross flow filter device comprising a longitudinal first filter element (1) having a first width (w1) and a longitudinal central axis (8), a longitudinal second filter element (2) having a second width (w2) and being longitudinally installed substantially concentrically inside said first filter element (1), a housing (3) surrounding said first filter element (1), said cross flow filter device having respectively a raw material inlet (4), a concentrate outlet (5), and a first filtrate outlet (6) connected to said first filter element (1). The ratio between the second width (w2) and the first width (w1) is 65%, preferably at least 70% and more preferably about 75%.Type: GrantFiled: June 2, 2011Date of Patent: March 6, 2012Assignees: Bekaert Advanced FiltrationInventors: Martin Eurlings, Philippe Albert, Stefan Vandendijk
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Patent number: 8123955Abstract: A feed system is used in a sedimentation vessel. The feed system includes an inlet for receiving a quantity of feed slurry and an outlet for delivering the feed slurry to a separation zone within the sedimentation vessel. The feed slurry includes a mixture of solids and liquids that are to be separated in a separation zone within the sedimentation vessel. An airlift pump is used to cycle at least a portion of either the separated solids or the separated liquids from the separation zone and return it to the feed system. This returned portion mixes with the feed slurry and may operate to dilute the feed slurry to a concentration for optimal separation. Additionally, feed conditioning chemicals may be mixed into the feed slurry prior to or after the mixing of the feed slurry with the returned portion of the separated products.Type: GrantFiled: November 5, 2009Date of Patent: February 28, 2012Assignees: WesTech Engineering Inc., Paste Thick Ventures LLCInventors: Philip Lake, Mark Crozier, Jeffery H. Easton
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Patent number: 8097172Abstract: The present invention provides an apparatus for recovering organic compounds from plant waste water. A saturator (10) is coupled to a feed gas stream (70) and a heated makeup water stream (54) which includes recoverable organic compounds. The saturator provides a saturated feed gas stream (70) which includes feed gas, steam and recovered organic compounds. A pump (30) recycles saturator water (56) and the makeup water stream (50) is added to that recycle stream (54).Type: GrantFiled: September 30, 2005Date of Patent: January 17, 2012Assignee: Aker Kvaerner, Inc.Inventors: Muhammad Nazrul Islam, Gwo-Jang Abraham Liou, Stephen D. York
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Patent number: 8088281Abstract: A method for the removal of entrained hydrocarbons, particularly aromatics, from water by extracting the hydrocarbons in the water with a hydrocarbon which is relatively less soluble in the water than the entrained hydrocarbon. The hydrocarbons are then separated from the water by a process of coalescence/separation. The extractant is suitably a paraffinic hydrocarbon which, while having an affinity for the entrained hydrocarbon, is relatively less soluble in water than hydrocarbons such as aromatics. The hydrocarbons removed from the water can be recirculated to the feed with the composition of the recirculating phase being controlled to achieve the desired level of hydrocarbon removal.Type: GrantFiled: October 24, 2008Date of Patent: January 3, 2012Assignee: ExxonMobil Research & Engineering CompanyInventors: Robert J. Falkiner, Bal K. Kaul
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Patent number: 8083951Abstract: The invention provides a method for purifying MTO quench water and scrubbing water via mini-hydrocyclone separation, comprising: removing the entrapped catalyst particles from the MTO quench water via mini-hydrocyclone separation; cooling the quench water purified by mini-hydrocyclone separation so as to effect the recycling of water; removing the entrapped catalyst particles from the MTO quench water to be stripped via mini-hydrocyclone separation, so as to reduce the deposition of the catalyst particles within the stripping tower; removing the entrapped catalyst particles from the MTO scrubbing water via mini-hydrocyclone separation; and cooling the scrubbing water purified via mini-hydrocyclone separation so as to effect the recycling of water. The invention also provides an apparatus for purifying MTO quench water and scrubbing water via mini-hydrocyclone separation.Type: GrantFiled: April 21, 2009Date of Patent: December 27, 2011Assignees: East China University of Science and Technology, Luoyang Petrochemical Engineering Corporation (LPEC) SinopecInventors: Hualin Wang, Yanhong Zhang, Qiang Yang, Ji Ma, Zhishan Bai, Yu Liu, Longhu Liang, Lei Shi, Jie Zhang
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Patent number: 8080163Abstract: Exemplary systems and methods for treating contaminated water are described. In one instance a method supplies metal salt reagents to a moving media filter in the presence of contaminated water. The method also introduces a waste stream resulting from the moving media filter upstream of the moving media filter effective to lower an average contaminant concentration of effluent water from the moving media filter.Type: GrantFiled: January 26, 2007Date of Patent: December 20, 2011Assignees: Blue Water Technologies, Inc., Idaho Research Foundation, Inc.Inventors: Gregory Moller, Remembrance Newcombe
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Patent number: 8070954Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.Type: GrantFiled: February 24, 2011Date of Patent: December 6, 2011Assignee: Kobelco Eco-Solutions Co., Ltd.Inventors: Yutaka Ito, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Noboru Miyaoka, Kenji Takesaka
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Patent number: 8066889Abstract: A method for filtering particulate material from cooking oil used in a frying process at a filtration temperature within the range of 250° F. to 400° F. includes providing a filter comprising a non-woven panel of directionally or randomly oriented fibers of synthetic material, and exposing the filter to the cooking oil at the filtration temperature while drawing the cooking oil therethrough.Type: GrantFiled: March 26, 2009Date of Patent: November 29, 2011Assignee: Masterfil, Inc.Inventors: Thomas Bivens, J. Garrieth Clark
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Patent number: 8062527Abstract: An object is to provide a fresh water generating method that is capable of efficiently producing purified water, such as fresh water, from unpurified water, such as sea water. Provided is a fresh water generating method for generating fresh water by way of reverse osmosis membrane filtration, which includes mixing sea water with low salt concentration water having a salt concentration lower than sea water to produce mixed water, and subjecting the mixed water prepared by the mixing to reverse osmosis membrane filtration, thereby generating fresh water.Type: GrantFiled: February 24, 2011Date of Patent: November 22, 2011Assignee: Kobelco Eco-Solutions Co., Ltd.Inventors: Yutaka Ito, Katsuhide Motojima, Kazuya Uematsu, Masanobu Noshita, Kazutaka Takata, Mitsushige Shimada, Megumi Manabe, Noboru Miyaoka, Kenji Takesaka
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Patent number: 8048318Abstract: A process for recovering packaged ingredients from multi-component product packets, comprises the steps of: (a) Providing a supply of multi-component product packets that contain at least two components; (b) orienting the multi-component product packets so that one of the components is in a desired position and feeding the oriented multi-component product packets to a breaching station; (c) breaching the multi-component product packets so as to access one of the components; (d) manipulating the multi-component product packets to collect the component accessed in step (c); and (e) further manipulating the multi-component product packets to release and collect another one of the components.Type: GrantFiled: October 17, 2008Date of Patent: November 1, 2011Assignee: Heritage Environmental Services, LLCInventor: David Mogan
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Patent number: 8048310Abstract: A method and a device to increase the efficiency of dialysis for the removal from blood of substances that are more or less tightly bound to carriers such as albumin. According to the invention this is accomplished by a simultaneous significant increase of the flow rate of the dialysis fluid and of the area of the membrane that separates the blood from the dialysis fluid, compared to conventional dialysis.Type: GrantFiled: December 22, 2010Date of Patent: November 1, 2011Assignee: Gambro Lundia ABInventors: Jan Sternby, Berit Sternby
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Patent number: 8038884Abstract: The present invention relates to process to prepare a chlorine-containing compound using an aqueous salt solution containing at least 100 g/l of sodium chloride and a contaminating amount of polyvalent cations comprising the steps of (i) preparing an aqueous salt solution containing at least 100 g/l of sodium chloride and at least 0.01 ppm of polyvalent cations by dissolving a sodium chloride source in water, (ii) adding an effective amount of at least one positive retention enhancing component to the aqueous solution, (iii) subsequently subjecting the solution to a nanofiltration step, thereby separating the solution into a retentate which is enriched for polyvalent cations and a permeate which is the purified aqueous salt solution, (iv) reacting the chloride anions in the permeate to a chlorine-containing compound by an electrolysis step, and (v) recycling at least part of the retentate to dissolution step (i).Type: GrantFiled: February 13, 2006Date of Patent: October 18, 2011Assignee: Akzo Nobel N.V.Inventors: Gerrald Bargeman, René Lodewijk Maria Demmer, Antoon Ten Kate, Boris Kuzmanovic, Cornelis Elizabeth Johannus Van Lare, Mateo Jozef Jacques Mayer, Maarten André Irène Schutyser, Jan Barend Westerink
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Patent number: 8038883Abstract: The present invention relates to a process to prepare salt comprising the following steps: (i) preparing an aqueous salt solution containing at least 100 g/l of sodium chloride and at least 0.01 ppm of polyvalent cations by dissolving a sodium chloride source in industrial water, (ii) adding an effective amount of at least one positive retention enhancing component to the aqueous salt solution, (iii) subsequently subjecting the solution to a nanofiltration step, thereby separating the solution into a retentate which is enriched for the polyvalent cations and a permeate which is the purified aqueous salt solution, and (iv) concentrating the permeate to produce salt.Type: GrantFiled: February 13, 2006Date of Patent: October 18, 2011Assignee: Akzo Nobel N.V.Inventors: Gerrald Bargeman, René Lodewijk Maria Demmer, Antoon Ten Kate, Boris Kuzmanovic, Cornelis Elizabeth Johannus Van Lare, Mateo Jozef Jacques Mayer, Maarten André Irène Schutyser, Jan Barend Westerink
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Patent number: 8025804Abstract: A method for continuous closed-circuit consecutive sequential desalination of a salt water solution by reverse osmosis without using containers. The closed circuit includes one desalination module or more than one desalination modules connected in parallel. The method provides for desalination to proceed in concentrate recycling mode with brief intervals of concentrate discharge mode, in which pressurized concentrate in the closed circuit is replaced by pressurized fresh feed of salt water solution without stopping desalination.Type: GrantFiled: March 1, 2010Date of Patent: September 27, 2011Inventor: Avi Efraty
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Patent number: 8021318Abstract: The present invention is directed to devices, systems and methods for removing undesirable materials from a sample fluid by contact with a second fluid. The sample fluid flows as a thin layer adjacent to, or between, concurrently flowing layers of the second fluid, without an intervening membrane. In various embodiments, a secondary separator is used to restrict the removal of desirable substances and effect the removal of undesirable substances from blood. The invention is useful in a variety of situations where a sample fluid is to be purified via a diffusion mechanism against an extractor fluid. Moreover, the invention may be used for the removal of components from a sample fluid that vary in size. When blood is the sample fluid, for example, this may include the removal of ‘small’ molecules, ‘middle’ molecules, macromolecules, macromolecular aggregates, and cells, from the blood sample to the extractor fluid.Type: GrantFiled: November 9, 2010Date of Patent: September 20, 2011Assignee: The Trustees of Columbia University in the City of New YorkInventors: Edward F. Leonard, Alan C. West, Nina C. Shapley, Zhongliang Tang
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Patent number: 8021520Abstract: The invention relates to a device and method for preparing liquid from solid materials such as medicinal materials. It includes liquid and materials for preparing the liquid at the beginning and the end of the process. The device uses a steam generator, an intermediate switch valve and a material chamber, which are connected sequentially with pipes, and further includes an outlet pipe, which is at the bottom of the material chamber. The method involves the steps of: distillation and absorption; immersion; and repetition. The device and method for preparing liquid alternates the distillation and immersion steps, which reduces harmful substance in the prepared liquid that would otherwise occur by conventional methods. The method not only extracts soluble effective matter, but also reduces loss of volatile effective matter. Ultimately, the method makes the steps for preparing liquid simple and clear, and it can prepare liquid quantitatively, effectively and without pasty and shrinkable characteristics.Type: GrantFiled: June 28, 2010Date of Patent: September 20, 2011Assignee: Shenzhen Zofu Technology Co., LtdInventor: Linlin Yao
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Patent number: 8011330Abstract: The present invention relates to the reduction of harmful exhaust emissions on ships using diesel engines equipped with a wet emissions reduction system. In particular, the invention relates to a large diesel internal combustion engines installed on a ship and fitted with a wet emissions reductions system that is supplied water by an onboard advanced wastewater treatment system (AWTS).Type: GrantFiled: May 30, 2008Date of Patent: September 6, 2011Inventor: Peter Randall
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Publication number: 20110204004Abstract: A process for the purification and recovery of a contaminated liquid, the process comprising: a source of contaminated liquid effluent, a primary filtration station having at least one filter; a first holding tank for receiving effluent from the primary filtration station, a dosing station; a mixing station; at least one other filtration station; and wherein, effluent passing from said at least one other filtration station is returnable to the primary filtration station for further filtration or recoverable from the system.Type: ApplicationFiled: May 4, 2008Publication date: August 25, 2011Applicant: FOGETY HOLDINGS PTY LTDInventor: Callum Bremner
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Patent number: 7993530Abstract: The present invention provides systems and methods of portable oil filtration. In an exemplary embodiment, the portable oil filtration system has a portable device body. Mounted on this portable device body are a motor, a pump, an input valve, an output valve, and a filtration device. Additionally, the portable device body is enabled to be carried by a user.Type: GrantFiled: May 18, 2007Date of Patent: August 9, 2011Assignee: The Southern CompanyInventor: Ronald Horne
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Patent number: 7988865Abstract: A feedwell dilution system for diluting an influent feed stream, which include at least one eductor assembly, and a feedwell assembly. The at least one eductor assembly includes a feed pipe which converges to a narrow throat portion or nozzle; a mix tube positioned downstream from the narrow throat portion that is sized and configured to provide mixing of the influent feed stream and a clarified liquid drawn from a settling tank; and an enclosure, which is installed around the narrow throat portion and an inlet portion of the mix tube and includes an open-ended portion on a bottom thereof, which is sized and configured to allow a clarified liquid to be pulled into the mix tube from below the inlet portion of the mix tube. The feedwell assembly is sized and configured to receive the mixture of the influent feed stream and the clarified liquid from the mix tube.Type: GrantFiled: December 4, 2009Date of Patent: August 2, 2011Assignee: FLSmidth A/SInventors: Timothy J. Laros, Frank Andrew Baczek
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Publication number: 20110180494Abstract: Device applicable to common internal combustion engines for filtering motor oil from the undesired solid fraction in parallel to an expansion/separation treatment of the liquid phase and filtration of the blow-by flows in an expansion/condensation chamber provided with electrode.Type: ApplicationFiled: June 2, 2010Publication date: July 28, 2011Applicant: S.M.O.C.Inventor: Piero GIANNONE
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Patent number: 7981295Abstract: Disclosed is an economical process for the purification of water containing soluble and sparingly soluble inorganic compounds using single-stage or two-stage membrane processes that integrate membrane water purification with chemical precipitation softening and residual hardness and silica removal from the membrane concentrates using ion exchange resins and silica sequestering media, respectively. The purified water recovery is not adversely affected by design and/or operational deficiencies in the chemical precipitation softening system that may result in higher residual hardness and silica in the supernatant from the clarifier.Type: GrantFiled: August 14, 2009Date of Patent: July 19, 2011Inventor: Riad A. Al-Samadi
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Patent number: 7981299Abstract: The invention relates to an apparatus and a method for thickening liquids carrying suspended particles, such as a slurry containing minerals. The thickening apparatus comprises a tank (2), a feedwell (4), which includes a chamber having an inlet for receiving feed slurry (9) and an outlet in fluid communication with the tank and means for distributing the material in the tank, at least one conduit (5) for feed slurry to deliver a feed slurry (9) into the feedwell, means for diluting the feed slurry, when at least one separate dilute liquid conduit (16, 19) is directed tangentially with respect to the feedwell (4) and at least one inflow aperture (15) is arranged tangentially with respect to the feedwell for recirculating the dilute liquid from the tank inside the feedwell in order to dilute the feed slurry.Type: GrantFiled: October 16, 2007Date of Patent: July 19, 2011Assignee: Outotec OyjInventors: Richard Triglavcanin, Ian Arbuthnot
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Patent number: 7976712Abstract: An apparatus, system, and method are disclosed for a filter for filtering a dosing fluid in an exhaust aftertreatment system. The filter may comprise a dosing tank configured to contain a dosing fluid, a filter media disposed within the dosing tank, and a support structure supporting the filter media to form a pathway for a flow of dosing fluid. Beneficially, the apparatus, system, and method of the present invention reduce the cost of operation and manufacture of the SCR system.Type: GrantFiled: October 1, 2007Date of Patent: July 12, 2011Assignee: Cummins Filtration IP, Inc.Inventors: Alain Rocheux, Gary Rickle, Julie Graber, Vikrant Aggarwal
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Patent number: 7967955Abstract: A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by de-oiling the produced water to provide a de-oiled evaporator feedwater that is fed to an evaporator. The pretreated produced water stream is evaporated to produce (1) a distillate having a trace amount of residual solutes therein, and (2) evaporator blowdown containing substantially all solutes from the de-oiled produced water feed. The distillate may be directly used, or polished to remove the residual solutes therein, before being fed to a steam generator. Steam generation in a once-through steam generator, or in a packaged boiler such as a water tube boiler having a steam drum and a mud drum with water cooled combustion chamber walls, produces high pressure steam for down-hole use.Type: GrantFiled: May 17, 2010Date of Patent: June 28, 2011Assignee: GE Ionics, Inc.Inventor: William F. Heins
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Patent number: 7967985Abstract: A method to process grease trap waste or refuse and remove organic matter, and reclaim fats, oils, and grease (FOG) found in it. The process is initiated after dewatering the grease trap material to increase its concentration; the resulting sludge is then mixed with a solvent. The dissolved fractions of fats, oils, and grease are separated using mechanical methods. The solids are washed to further remove any traces of fats, oils, and grease. The solids, substantially free from organic content, are dried to remove any water and/or organic matter remaining, rendering inert solids that can be safely disposed of according to Environmental Protection Agency (EPA) regulations. All fats, oils, and, grease fractions are separated, containing no inert materials, and no water. The solvent is recuperated (recycled), allowing it to be used over again. The recuperated grease fractions, highly pure and homogeneous, constitute an excellent raw material for further oleo-chemical processes and applications.Type: GrantFiled: September 25, 2007Date of Patent: June 28, 2011Inventors: Jose Alejandro Parjus, Rodolfo Larosa, Antonio Gonzalez
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Patent number: 7967987Abstract: A system, method and device are disclosed for bio-processing a feed stream and providing a constant output by operating a continuous single-pass tangential-flow process. The single-pass process provides high conversion concentration while operating at relatively low feed flow rates, and the process can also be used to provide constant output diafiltration.Type: GrantFiled: January 11, 2010Date of Patent: June 28, 2011Assignee: SPF Innovations, LLCInventors: Gaston de los Reyes, Leon Mir
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Publication number: 20110147322Abstract: A system and method of filtering lubricant in a lubricant supply system are provided. Lubricant from a lubricant source is directed into and through a coarse filter that is configured to remove, from the lubricant, particulate of at least a first dimension. A fraction of the lubricant discharged from the coarse filter is directed into and through a fine filter that is configured to remove, from the fraction of lubricant, particulate having at least a second dimension that is less than the first dimension. Lubricant discharged from the fine filter is directed back to the lubricant source.Type: ApplicationFiled: December 17, 2009Publication date: June 23, 2011Applicant: HONEYWELL INTERNATIONAL INC.Inventors: David A. Payne, Monta Fowlkes
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Publication number: 20110143012Abstract: Methods of harvesting algae, and using algae as a biofuel, livestock feed, or food supplement are provided. The methods comprise contacting liquid algae suspensions with a filtration media. Depending upon the filtration media, the resulting algae and filtration media admixture is then utilized as a biofuel, livestock feed, food supplements, or for the extraction of algae oil. Admixtures comprising a combustible filtration media, such as coal, are particularly preferred. The methods are suitable for use with any algae species. Compositions for use as a biofuel, livestock feed, or food supplement are also provided. These compositions comprise an admixture of algae and a filtration media.Type: ApplicationFiled: December 13, 2010Publication date: June 16, 2011Inventor: Albert C. Rettenmaier
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Publication number: 20110114572Abstract: Fluid-treatment apparatus and methods are detailed. The apparatus may be plumbed in-line and have inlets and outlets near their tops rather than near their bases. They additionally may provide one or more channels through which fluid may flow so as to induce fluid flow through a central region. A platform for raising the (effective) bottom of a chamber of an apparatus above a base thereof further may be included.Type: ApplicationFiled: November 8, 2010Publication date: May 19, 2011Applicant: ZODIAC POOL SYSTEMS, INC.Inventor: GERHARDUS J. STOLTZ
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Patent number: 7943047Abstract: Process for the treatment of wastewater from an aldolization process which is contaminated with water-soluble and/or dispersed organic impurities by means of single-stage or multistage extraction with an organic liquid of the aldolization process wastewater which has been set to a pH of from 0 to 6, in which an organic liquid obtained by stripping of the acidified aldolization process wastewater or of the acidified and extracted aldolization process wastewater, condensation of the stripped compounds and phase separation of the condensate is used as extractant for the extraction of organic impurities from the acidified aldolization process wastewater and wastewater having a lower content of organic impurities than the aldolization process wastewater fed to the extraction is taken off from the stripping apparatus.Type: GrantFiled: September 25, 2006Date of Patent: May 17, 2011Assignee: BASF SEInventors: Siegmar Maassen, Roland Krokoszinski, Detlef Kratz
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Publication number: 20110100931Abstract: A feed system is used in a sedimentation vessel. The feed system includes an inlet for receiving a quantity of feed slurry and an outlet for delivering the feed slurry to a separation zone within the sedimentation vessel. The feed slurry includes a mixture of solids and liquids that are to be separated in a separation zone within the sedimentation vessel. An airlift pump is used to cycle at least a portion of either the separated solids or the separated liquids from the separation zone and return it to the feed system. This returned portion mixes with the feed slurry and may operate to dilute the feed slurry to a concentration for optimal separation. Additionally, feed conditioning chemicals may be mixed into the feed slurry prior to or after the mixing of the feed slurry with the returned portion of the separated products.Type: ApplicationFiled: November 5, 2009Publication date: May 5, 2011Applicant: WesTech Engineering, Inc.Inventors: Philip Lake, Mark Crozier, Jeffery H. Easton
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Patent number: 7922907Abstract: A method for removing contaminant from feedwater by forming a dispersion comprising bubbles of a treatment gas in a continuous phase comprising feedwater, wherein the bubbles have a mean diameter of less than about 5 ?m and wherein the treatment gas is selected from the group consisting of air, oxygen, and chlorine. A method for removing contaminants from a feedwater by subjecting a fluid mixture comprising feedwater and a treatment gas to a shear rate greater than 20,000 s?1 in a high shear device to produce a dispersion of treatment gas in a continuous phase of the feedwater. A system for treating feedwater to remove contaminants therefrom is also presented, the system comprising at least one high shear mixing device comprising at least one generator comprising a rotor and a stator separated by a shear gap; and a pump configured for delivering feedwater and treatment gas to the high shear mixing device.Type: GrantFiled: February 22, 2010Date of Patent: April 12, 2011Inventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Aziz Hassan, Gregory G. Borsinger
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Patent number: 7922911Abstract: Systems and methods relating to dialysis therapy, particularly continuous flow dialysis therapy, are provided. The present invention includes a single closed fluid path along which a minimal amount of therapy fluid including dialysate is fed into, continuously circulated and cleaned such that a therapeutic effective amount of solutes, excess water and the like can be removed from the patient connected to the closed fluid loop during treatment.Type: GrantFiled: May 29, 2009Date of Patent: April 12, 2011Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventor: Brian R. Micheli
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Patent number: 7914677Abstract: Water (23) that contains micro-nano bubbles generated in a micro-nano bubble generation tank (6) is introduced and treated in a charcoal water tank (ii) which is filled with a charcoal (15) and in which an air diffusing pipe (12) is placed and thereafter introduced and treated in a membrane device (21). Thus, activities of microorganisms propagating in the charcoal (15) are increased by the micro-nano bubbles, markedly increasing ability of decomposing organic matters in the water. Therefore, a clogging phenomenon due to the organic matters can be prevented by reducing organic loads on the membrane device (21). Moreover, a very small amount of alcohols or salts are added as a micro-nano bubble generation aid to the micro-nano bubble generation tank (6), improving an incidence rate of the micro-nano bubbles. The alcohols and salts are easily decomposed by the charcoal water tank (ii) and easily removed by the membrane device (21).Type: GrantFiled: February 28, 2006Date of Patent: March 29, 2011Assignee: Sharp Kabushiki KaishaInventors: Kazuyuki Yamasaki, Kazuyuki Sakata, Kazumi Chuhjoh