Abstract: The invention relates to a method for producing a sterilisation system, especially for sterilising drinking water and water for industrial use. The precious metal surface of a base material containing precious metal is initially oxidised in an acidic solution and subsequently treated in an aqueous saline solution. The invention also relates to a sterilisation system and use thereof.
Abstract: What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, mats or blankets, and berms. Applications for the use of the compositions, devices, and methods include remediation of runoff water, of livestock waste, of eutrification of waterways, and for the revetment of banks.
Abstract: A method of supporting denitrification includes receiving biological material at a pulsed electric field station and applying a pulsed electric field to the biological material within a treatment zone in the pulse electric field station to generate treated biological material. The method also includes transporting at least a portion of the treated biological material to an anoxic bioreactor in substitution, at least in part, for an external source of electron donor. A system for supporting denitrification is also provided.
Abstract: A system for enhancing water is described. The system includes a housing with an inlet and an outlet, source water at the inlet, which can flow through a filter component in the housing and thus become treated water, and at least one enhancement module that can dispense an enhancement into the treated water as it flows through the outlet. Water can flow through the system only by the force of gravity, pressure in a building's water line, and/or hand pumps. Enhancement that can be used in the system include flavorings, dyes, minerals, vitamins, herbal supplements, nutritional supplements, phytonutrients, probiotics, homoepathic remedies, amino acids, enzymes, hormones, standard prescription medications, and over-the-counter medications, and combinations thereof. A control is also provided, through which a consumer can regulate an amount of enhancement that is added to the treated water.
Type:
Application
Filed:
April 14, 2008
Publication date:
August 14, 2008
Inventors:
Edward B. Rinker, Elizabeth Lane, Simon Litvin, Ilya Ilyin, Alexander Chaliyan, Dmitry Logatchev, Michael Gershman
Abstract: A method for measuring the number of fine particles in ultrapure water includes subjecting the ultrapure water to internal pressure filtration through a hollow fiber membrane having a skin layer capable of trapping the fine particles in the ultrapure water at least on an inner surface thereof, exposing the inner surface of the hollow fiber membrane, and measuring the number of fine particles on the exposed inner surface.
Type:
Application
Filed:
January 18, 2006
Publication date:
July 17, 2008
Inventors:
Mutsuko Endou, Tooru Kusano, Kazunari Akahira, Takashi Ito
Abstract: The present invention provides a dispensing apparatus and method for the delivery of remediation agents into waste systems wherein the apparatus is capable of generating and maintaining a controlled release of a concentrated remediation composition throughout the delivery cycle. The invention also provides a dispensing apparatus and methods wherein the remediation agent is a remediation agent that includes living organisms. Finally, the invention provides a waste water remediation dispensing apparatus and method useful in preventing dry trap in drain systems containing U-traps.
Type:
Grant
Filed:
November 26, 2007
Date of Patent:
June 24, 2008
Assignee:
ABCUSA Environmental Holdings, Inc.
Inventors:
Richard Joseph Heppenstall, Richard James Heppenstall
Abstract: A filtration device is provided that includes a filter component and an additive component. The filter component includes concentrically arranged filtering elements disposed in a filter-in-filter configuration. The additive component includes at least one additive material that is introduced into a working fluid to be filtered. The filter component and additive component provide an assembly for a filtration system that would filter a variety of working fluids. The filter component and additive component provides an assembly that can filter fluids more efficiently. As a result, fluids may enjoy, for example, extended drainage intervals and thereby reduce component wear.
Type:
Application
Filed:
December 12, 2006
Publication date:
June 12, 2008
Applicant:
CUMMINS FILTRATION IP, INC.
Inventors:
Harold R. MARTIN, Abby True DAHL, Ted LOFTIS, Ismail BAGCI, Wassem ABDALLAH, Mark J. JOHNSON, Barry M. VERDEGAN, Peter K. HERMAN
Abstract: A fluid container and method for inhibiting the growth of microbes in liquid nutrient in a container, the container having an interior surface having a metal-ion sequestering agent and/or antimicrobial agent provided in a localized area of the container formed by a two shot molding, insert molding or two shot injection stretch blow molding process, said metal ion sequestering agent provided for the removing and/or inhibiting growth of microbes in the liquid nutrient.
Type:
Grant
Filed:
November 10, 2004
Date of Patent:
June 10, 2008
Assignee:
Eastman Kodak Company
Inventors:
David L. Patton, Joseph F. Bringley, Richard W. Wien, John M. Pochan, Yannick J. F. Lerat, William J. Harrison
Abstract: A method of maintaining the life of a porous filter when refining a metal melt by controlling the formation of a filter cake thereon, the method comprising passing liquid metal through a porous filter and adding a filter cake formation agent to the metal; contacting the filter metal with a grain refining agent followed by mechanical mixing to promote intimate mixing of the metal and the grain refining agent to produce refined metal, whereby a filter cake is formed on the porous filter without significant change in the metallostatic head above the filter.
Abstract: A water treating device includes a cylindrical housing having a longitudinal axis, an inlet and an outlet. Water to be treated enters the inlet, flows through the cylindrical housing and out the outlet. A plurality of elongated UV lamps are disposed in the cylindrical housing. The UV lamps extend generally in the same direction as the longitudinal axis of the cylindrical housing, but are disposed in a non-parallel relationship with the longitudinal axis of the cylindrical housing. Typically one end portion of each of the UV lamps is spaced outwardly from the longitudinal axis of the cylindrical housing. Along the length of each of the UV lamps, the distance between the longitudinal axis of the UV lamps and the longitudinal axis of the cylindrical housing varies.
Abstract: A vertical membrane module unit is allowed to be installed even at a place with a low ceiling. A housing containing a vertical membrane module unit is held by a housing holder. The housing holder holds the housing tiltably such that the housing can be positioned with the longitudinal direction of the membrane module unit being substantially vertical when treated water is extracted, and the housing can be positioned with the longitudinal direction of the membrane module unit being substantially horizontal when the membrane module unit is removed from the housing.
Abstract: A fluid container and method for inhibiting the growth of microbes in liquid nutrient in a container, the container having an interior surface having a metal-ion sequestering agent and antimicrobial agent for inhibiting growth of microbes in the liquid nutrient.
Type:
Grant
Filed:
September 9, 2004
Date of Patent:
April 15, 2008
Assignee:
Eastman Kodak Company
Inventors:
David L. Patton, Joseph F. Bringley, Richard W. Wien, John M. Pochan, Yannick J. F. Lerat
Abstract: A reservoir is configured to receive a first fluid, and has an inlet configured to receive a second fluid and an outlet. Second fluid received in the reservoir drives a corresponding amount of first fluid out of the outlet and into the wastewater treatment system. A method also is disclosed.
Type:
Application
Filed:
October 9, 2007
Publication date:
April 10, 2008
Inventors:
Murphy J. Cormier, Troy L. Cormier, Ronald J. Suchecki, Robert K. Pertuit, Donald L. Brown
Abstract: A reservoir is configured to receive a first fluid, and has an inlet configured to receive a second fluid and an outlet. Second fluid received in the reservoir drives a corresponding amount of first fluid out of the outlet and into the wastewater treatment system. A method also is disclosed.
Type:
Application
Filed:
October 6, 2006
Publication date:
April 10, 2008
Inventors:
Murphy J. Cormier, Troy L. Cormier, Ronald J. Suchecki, Robert K. Pertuit, Donald L. Brown
Abstract: A fluid filter assembly and method for inhibiting the growth of microbes in liquid nutrient in a container, the filter assembly having an filter having a metal-ion sequestering agent for inhibiting growth of microbes in the liquid nutrient.
Type:
Grant
Filed:
September 20, 2004
Date of Patent:
March 18, 2008
Assignee:
Eastman Kodak Company
Inventors:
David L. Patton, Joseph F. Bringley, Richard W. Wien, John M. Pochan, Yannick J. F. Lerat
Abstract: A method comprises rendering a hydrocarbon industry servicing fluid biologically inert without using chemical biocides. One method of rendering a hydrocarbon industry servicing fluid biologically inert comprises irradiating at least one constituent of the servicing fluid to produce an irradiated fluid. Another method comprises irradiating a used hydrocarbon industry servicing fluid to produce a remediated fluid that is biologically inert. A fluid treatment system comprises an irradiation apparatus, inlet piping directing an untreated fluid into the irradiation apparatus, outlet piping directing an irradiated fluid out of the irradiation apparatus, and a connection to a hydrocarbon industry application.
Type:
Grant
Filed:
December 6, 2005
Date of Patent:
February 19, 2008
Assignee:
Halliburton Energy Services, Inc.
Inventors:
Larry Lance Abney, Graeme W. Pirie, Tim Hunter, Billy Slabaugh, Leonard Case
Abstract: Monochloramine is efficiently manufactured by introducing controlled quantities of an ammonia source and a chlorine source in a small side-stream of water in a small diameter pipe under turbulent flow conditions. The ammonia source and chlorine source can be injected in either order and are separated by a sufficient distance to ensure that the first chemical is adequately diffused throughout the water prior to the injection of the second chemical. A sufficient length of a mixing chamber insures that turbulent flow is maintained for a length of time sufficient to thoroughly mix the two chemicals to produce monochloramine. This mixing technique allows for the manufacture of high concentrations of monochloramine at atmospheric pressure without off gassing.
Type:
Application
Filed:
February 8, 2007
Publication date:
January 10, 2008
Inventors:
Stephen Axtell, Robert Cumming, Sam M. Jaffe, Jerry Johns, Robert Kim, Joe Phillips
Abstract: An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element having a reactive basic conditioner therein. The reactive basic conditioner is provided to counteract acidic combustion products in lubricating oil in an internal combustion engine. In a preferred embodiment of the invention, the chemically active conditioning agent is provided in a plurality of pellets disposed within the oil filter housing. The pellets may be bonded together to form an integral porous filter element having spaces defined between the pellets thereof. The pellets are made of a mixture including a polymeric binder and the chemically active conditioning agent, in a defined weight ratio and in a narrow range of particle sizes. The chemically active filter element reacts with acids present in the oil to form a product which may be filtered out of the oil. The pellets are made either by a hot extrusion process or by a solvent process.
Type:
Grant
Filed:
January 26, 2004
Date of Patent:
January 8, 2008
Assignee:
Honeywell International, Inc.
Inventors:
Ronald Paul Rohrbach, Gordon William Jones, Peter D. Unger, Daniel E. Bause, Lixin L. Xue, Greg Kemenah
Abstract: The present invention relates to a process and apparatus for separating blood plasma, having a mixing unit in the form of a first injection having a first connecting tube and a first piston to provide a compartment for a mixture composed of plasma to be separated and the protein-precipitating agent; a separating unit composed of a filtering tube for separating and preserving a solid material after separation. The filtering tube includes a third connecting tube a filter and a third piston, the third connecting tube communicates with the fourth injection tube having a fourth piston for receiving a separated liquid; and a storage unit in the form of a fifth injection tube having a fifth connecting tube, a second connecting valve and a fifth piston.
Type:
Grant
Filed:
October 13, 2004
Date of Patent:
December 18, 2007
Assignee:
Industrial Technology Research Institute
Abstract: A portable waste disposal system for cementuous slurry comprises a collapsible wire cage, a waterproof containment bag inside the wire cage and a filtration bag inside the waterproof containment bag. The system enables the cementuous slurry generated during the plastering of a swimming pool and pumped from inside a swimming pool to a location adjacent the pool be disposed of quickly and safely. The liquid generated during the process may be neutralized and left on site, thereby avoiding transport of such liquid.
Abstract: What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, blankets, and berms. Applications for the use of the compositions, devices, and methods include remediation of runoff water, of livestock waste, of eutrification of waterways, and for the revetment of banks.
Abstract: The present invention provides a dispensing apparatus and method for the delivery of remediation agents into waste systems wherein the apparatus is capable of generating and maintaining a controlled release of concentrated a remediation composition throughout the delivery cycle. The invention also provides a dispensing apparatus and methods wherein the remediation agent is a remediation agent that includes living organisms. Finally, the invention provides a dispensing apparatus and methods wherein compositions of remediation agents are conveniently formulated for specific applications providing a range of retention, activation and release profiles that optimize the remediation effectiveness.
Type:
Grant
Filed:
September 19, 2006
Date of Patent:
November 27, 2007
Assignee:
ABCUSA Environmental Holdings, Inc.
Inventors:
Richard Joseph Heppenstall, Richard James Heppenstall
Abstract: A pressure gradient dosing system is provided for a fluid supply system. A flow passage has first and second pressure zones having a pressure gradient therebetween. An additive reservoir in an additive delivery system responds to the pressure gradient to release additive to the flow passage.
Type:
Grant
Filed:
June 17, 2005
Date of Patent:
November 20, 2007
Assignee:
Fleet Guard, Inc.
Inventors:
Ted S. Loftis, David L. Brisk, Barry M. Verdegan, Harold R. Martin, Jr., Peter K. Herman, Ismail C. Bagci, Abby True-Dahl
Abstract: The present invention discloses a method and apparatus for separating particles and dissolved matter from a fluid stream. Specifically, the present invention includes a first pressure source which transports untreated fluid into a separator annulus with a filter element disposed therein. The untreated fluid is placed under appropriate pressure sufficient to produce turbulent flow, increased particle kinetics and/or cavitation physics allowing the desired fluid to penetrate and pass into and through the filter media. The filtered fluid is then transported to a collection tank. The contaminant particulate matter retained on the exterior of the filter media may be removed by the instantenous reverse pressurization of the separator annulus by a second pressure source thereby removing the contaminant particles away from contact with the filter media, and which may then be transported to a waste collection tank or a concentrator for further treatment.
Type:
Grant
Filed:
April 8, 2004
Date of Patent:
November 6, 2007
Assignee:
LJC Technologies, L.L.C.
Inventors:
Raymond Ford Johnson, Markley Dean Johnson, Rodney Grage
Abstract: An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element containing a beneficial additive therein. The beneficial additive is provided to extend the useful life of lubricating oil in an internal combustion engine. The beneficial additive may include an antioxidant, an anti-wear agent, and/or a basic salt. In a preferred embodiment of the invention, the chemically active conditioning agent is provided in a plurality of particles disposed within the oil filter housing. The particles may be bonded together to form an integral porous filter element having spaces defined between the particles thereof. The particles are made either by a hot extrusion process or by a solvent process.
Type:
Grant
Filed:
May 30, 2001
Date of Patent:
November 6, 2007
Assignee:
Honeywell International, Inc.
Inventors:
Ronald Paul Rohrbach, Gordon William Jones, Peter D. Unger, Daniel E. Bause
Abstract: An apparatus including a first hollow fiber membrane module, baffle assembly, and fluid source. The module includes a plurality of elongated hollow fiber membranes located generally in adjacent, parallel relationship to each other. Each of the membranes includes a generally cylindrical wall having a first end and a second end. The module also includes a module housing that supports the membranes. The module is configured to be positionable within the conduit and further to be matable with a similarly configured module. The baffle assembly is located within the conduit and configured to direct the flow of a first fluid through the module. The fluid source directs a second fluid to flow through the membranes from the first end to the second end. A predetermined substance is transmitted through the membranes' walls, to modify the concentration of the predetermined substance in the first fluid.
Abstract: An apparatus for treating greasy waste fluids comprises a fluid inlet which receives the waste fluids, and a waste filtering device positioned downstream from the fluid inlet; the waste filtering device is so configured as to retain at least a portion of the particulate matters contained in the waste fluids. The apparatus further comprises a compartment which is so configured as to receive a slow-releasing grease treating formulation. Also, the apparatus comprises a fluid outlet positioned downstream from the compartment. Furthermore, the compartment is so positioned in a flow path defined between the fluid inlet and the fluid outlet as to contact the waste fluids.
Type:
Application
Filed:
March 6, 2007
Publication date:
September 13, 2007
Inventors:
Denise Lemay, Andre Lafleur, Geoffroi Vallee
Abstract: A fluid container and method for inhibiting the growth of microbes in liquid nutrient in a container, the container having an interior surface having a metal-ion sequestering agent for removing a designated metal ion from the liquid nutrient for inhibiting growth of microbes in the liquid nutrient.
Type:
Grant
Filed:
April 13, 2004
Date of Patent:
August 21, 2007
Assignee:
Eastman Kodak Company
Inventors:
David L. Patton, Joseph F. Bringley, Richard W. Wien, John M. Pochan, Yannick J. F. Lerat
Abstract: A method of determining the number of magnetic particles within a sample using a tuned circuit having a capacitor and a coil. The method comprises: a. determining the difference in the resonant frequency of the tuned circuit when the sample is exposed to a magnetic field generated by the coil and when the sample is not exposed to the magnetic field generated by the coil; and b. using the difference in the resonant frequency to determine the number of magnetic particles within the sample.
Abstract: A self-cleaning, back-washable filter apparatus and method for use with a pumping apparatus which is at least partially immersed in fluid. The filter apparatus may comprise a vibration device that is powered by a flow of fluid. A method for filtering a flow of fluid is also disclosed, comprising vibrating a filter by applying a flow of fluid to the filter.
Abstract: A liquid filter arrangement including an internally received treatment agent storage and release cartridge is provided. The assembly is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing through the filter arrangement. A particular arrangement shown is configured which provides for a dynamic type of liquid flow providing a current directed through the treatment agent storage and release cartridge. In the preferred arrangements, an initial static type of flow followed by later dynamic flow, is provided. Alternatives, methods of assembly and descriptions of use are provided.
Type:
Grant
Filed:
March 4, 2005
Date of Patent:
July 3, 2007
Assignee:
Donaldson Company, Inc.
Inventors:
John R. Hacker, Brian Mandt, Brent A. Gulsvig
Abstract: An environmentally friendly acid neutralizing filter cartridge for mounting into a chamber of a cartridge mounting body for neutralizing acid in engine oil in an oil circulation circuit of an engine. The environmentally friendly acid neutralizing filter cartridge comprises a support housing comprising substantially no metal parts such that the environmentally friendly acid neutralizing filter cartridge can be readily incinerated. The support housing comprises at least one inlet port and at least one outlet port. A bed of acid neutralizing particles is contained in the support housing between the inlet port and the outlet port. Means is provided for preventing acid neutralizing particles from flowing through the at least one outlet port. An annular seal is arranged externally on the support housing and separates the at least one inlet port and the at least one outlet port to prevent oil from short circuiting the bed of acid neutralizing particles.
Abstract: The present invention provides a photocatalyst sterilizer (200) which draws thereinto water, contained in a water tank (120) and polluted by bacilli and various organic substances, regardless of a water level in the water tank (120) and sterilizes the polluted water using violet rays and through a photocatalyst reaction, thus enhancing a sterilizing ability thereof, and which is easily installed and efficiently used in various appliances, which are necessary to execute sterilizing processes, for example, hot and cold water generators, hot and cold water purifiers, tap water purifiers to be directly coupled to faucet pipes, edible water purifiers, and aquariums.
Abstract: An oil-conditioning filter, for use with an internal combustion engine, includes a filter element and an additive cartridge, for gradually dispensing an oil additive over time. The additive cartridge has a beneficial oil-conditioning agent contained therein. Placement of the cartridge allows for fluid filtration through the filter element before fluid communication with the additive of the additive cartridge. An additive dispersing member is also described.
Type:
Grant
Filed:
June 8, 2004
Date of Patent:
February 27, 2007
Assignee:
Honeywell International, Inc.
Inventors:
Derek Eilers, Gerard W. Bilski, Daniel J. Auxter, Gary B. Zulauf, Michael S. Lynch, Philip Treier
Abstract: The invention relates to a method and apparatus for recycling a wash solution used in powder coating which uses filters. The invention also relates to methods and apparatuses for recycling wash solutions used in spray washing, steam cleaning or car washes using filters.
Abstract: This invention is a system and method for bioremediation of hydrocarbon and organic pollution in fresh and salt water. Hydrocarbon and organic pollution digesting microbes are placed in a floating carrier where the microorganisms are exposed to the pollution and the pollution is digested. The floating element may be a block of polymeric foam. The microbes may be supported on powder such as clay minerals, and the powder may be formed into pellets held in slits in the foam.
Abstract: A liquid filter arrangement including an internally received treatment agent storage and release cartridge is provided. The assembly is configured for diffusion of the treatment agent from the treatment agent storage and release cartridge, into liquid flowing through the filter arrangement. A particular arrangement shown is configured which provides for a dynamic type of liquid flow providing a current directed through the treatment agent storage and release cartridge. In the preferred arrangements, an initial static type of flow followed by later dynamic flow, is provided. Alternatives, methods of assembly and descriptions of use are provided.
Type:
Grant
Filed:
December 9, 2005
Date of Patent:
January 9, 2007
Assignee:
Donaldson Company, Inc.
Inventors:
John R. Hacker, Brian Mandt, Brent A. Gulsvig
Abstract: The present invention provides a filter assembly containing a filter element and a container as a depot for a liquid additive. The container can include an inlet and an outlet, which are configured to allow a liquid to flow into the container mix with the contained additive and then flow out into the system. It has been observed that a liquid flowing through a filter assembly exhibits a pressure gradient within the filter. Consequently, the inlets and outlets to the container can be positioned to take advantage of the pressure gradient to enhance the addition of the additive to the liquid in the filter assembly.
Type:
Grant
Filed:
January 29, 2004
Date of Patent:
January 2, 2007
Assignee:
Fleetguard, Inc.
Inventors:
Peter K. Herman, Harold R. Martin, Ismail C. Bagci
Abstract: Mineral contaminants are removed from water in a system in which water is sprayed into an air head at the top of a tank through a diffuser and withdrawn through a pick-up tube. A solenoid valve operates to allows air from a compressor to flow into the top of the tank through a shuttle valve which is opened by the air pressure. Simultaneously a drain valve connected to the shuttle valve opens a drain, venting water and air from the tank. The shuttle valve, closed by the solenoid valve, closes the air supply line and connecting the shuttle valve to atmosphere, and pressure within the aeration tank can close the shuttle valve, which causes closing of the drain valve. The part of the valve which opens the drain is made responsive to excess pressure within the air tank to open the drain and so acts as a pressure relief valve.
Type:
Grant
Filed:
March 4, 2002
Date of Patent:
January 2, 2007
Assignee:
Hellenbrand, Inc.
Inventors:
Edward T. Maas, Alan G. Mast, Daniel A. Klein, Don D. Vaughan, Jerry N. Miller
Abstract: The present invention provides a filter assembly containing a filter element and a container as a depot for a liquid additive. The container can include an inlet and an outlet, which are configured to allow a liquid to flow into the container mix with the contained additive and then flow out into the system. It has been observed that a liquid flowing through a filter assembly exhibits a pressure gradient within the filter. Consequently, the inlets and outlets to the container can be positioned to take advantage of the pressure gradient to enhance the addition of the additive to the liquid in the filter assembly.
Type:
Grant
Filed:
September 30, 2004
Date of Patent:
December 26, 2006
Assignee:
Fleetguard, Inc.
Inventors:
Peter K. Herman, Harold R. Martin, Ismail C. Bagci, Abby True-Dahl, Scott Towsley, Zemin Jiang
Abstract: The apparatus comprises an anaerobic digester for receiving organic waste, an aerobic digester, and a feed pump for pumping effluent from the anaerobic digester to the aerobic digester. The digesters each comprise a reaction vessel and each reaction vessel has a spray nozzle at or adjacent to its apex for spraying an anti-foam liquid at the contents of the vessel. A method of treating organic waste is also disclosed.
Abstract: Method and apparatus for treating contaminants in water under anaerobic conditions is disclosed. The method includes adding to contaminated water a composition including an aqueous mixture of at least one carbohydrate and at least one alcohol and/or bacteriastat. The apparatus includes a source of growing nitrifying bacteria effective for treating contaminants under aerobic conditions, a source of growing bacteria effective for denitrification under anaerobic conditions, and a controller for introducing the growing bacteria in a predetermined amount over a predetermined period of time.
Abstract: A fluid filter system including a cartridge filter housed in a tank having a standpipe extending from a bottom surface of the tank. The cartridge filter is positioned in the tank with the standpipe extending into an outlet tube in the filter. Fluids flow into the tank, through the filter, and out through the standpipe. The cartridge filter may include a seal in an upper portion of the filter for sealing the cartridge filter to the standpipe in a position that is above the contaminant laden fluids and debris that collect at the bottom of a tank during removal of a cartridge filter.
Abstract: A denitrification system for denitrified wastewater or nitrified water treatment using a detergent or detergent-like compound comprising available carbon. The system comprises a plurality of interconnected tanks including a mixing tank which feeds detention tanks which in combination provide a detention time period for the effluent. A controller determines the amount of detergent dispensed into the mixing tank in accordance with the measured volume of effluent to be treated. The mixing tank comprises a heater for maintaining the nitrified effluent temperature above 50 degrees F. An optional line filter can be added to the output of the system for further reducing organic nitrogen concentration. An alternate embodiment comprises passing the final denitrified effluent through a pump chamber for pumping of the effluent to a sand filter capable of reducing bacterial populations.
Abstract: A wastewater treatment and dispersal system wherein wastewater will stand until it has a BOD of less than about 125 mg/l. The dispersal field may comprise inner and outer conduits, an inner conduit and a permeable outer cover, or a trough and an enclosure.
Abstract: A medium having a support structure configured for circulation of a fluid therein, such as a replaceable filter cartridge, including a sanitizing agent which contains one or more reactants that are chemically configured for delivering chlorine dioxide or other sanitizing agents in a controlled dose to sanitize, deodorize, and disinfect upon being wetted by the fluid and positioned in the medium support structure to be exposed to the fluid circulating therein.
Abstract: A water treatment apparatus dissolving an oxidizer in wastewater at a fast speed and at a high efficiency to decompose substances at a high decomposition rate. The apparatus includes an ultraviolet radiation part having an elongated tubular configuration, and receiving an axially extending ultraviolet radiation unit with a space between an inner peripheral surface of the ultraviolet radiation unit and the ultraviolet radiation unit to pass wastewater; and an oxidizer mixing part disposed adjacent to and upstream of the ultraviolet radiation part for mixing an oxidizer with the wastewater. The ultraviolet radiation unit irradiates the wastewater with ultraviolet light to decompose the substances to be treated in the wastewater.
Abstract: A water treatment system includes a cylindrical water filter having a cylindrical exit passageway. A plurality of spheres are formed from a predetermined water treatment chemical agent. The spheres are positioned at spaced apart locations along substantially the entire length of the exit passageway of the cylindrical water filter.
Abstract: Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing the arsenic in the +5 oxidation state from the aqueous phase, normally by contacting the treated feed with alumina or other precipitating agent containing cations in the +3 oxidation state.
Type:
Grant
Filed:
January 5, 2005
Date of Patent:
May 23, 2006
Assignee:
Union Oil Company of California
Inventors:
Richard Donald Witham, Edward Bayer McNew, John Leslie Burba, III
Abstract: Screen apparatus comprising a screen (10) which allows fluid to pass through it whilst providing a barrier to non-fluid matter in the fluid. A jet outlet (22) is arranged to direct a jet of fluid across that side of the screen (10) on which such matter would otherwise tend to collect when the apparatus is in use.