From Aqueous Material Patents (Class 210/691)
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Patent number: 7311844Abstract: A method of treating wastewater, and more particularly stormwater runoff or domestic waste, wherein the wastewater is directed through a high carbon ash particulate. Contaminants such as phosphorus, nitrogen, BOD and COD can be removed. In addition, treatment of the stormwater runoff or domestic waste with ash will raise the pH of the wastewater, generally to above 10, killing bacteria contained in the wastewater.Type: GrantFiled: June 22, 2006Date of Patent: December 25, 2007Inventors: Bobby L. Joyner, Robert J. Waldrop
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Patent number: 7311839Abstract: Systems and methods are described for removing biological pathogens using surfactant-modified zeolite (SMZ). A method for removing biological pathogens from a fluid or a fluid-based gel includes filtering the fluid or fluid-based gel using SMZs. A method for removing air-borne biological pathogens includes drawing air through a fluid layer or a fluid-based gel layer and filtering the fluid or the fluid-based gel layer using SMZs.Type: GrantFiled: May 2, 2003Date of Patent: December 25, 2007Assignees: New Mexico Tech Research Foundation, The Texas A&M University System, Board of Regents, The University of Texas SystemInventors: Dirk Schulze-Makuch, Robert S. Bowman, Suresh Pillai
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Patent number: 7309438Abstract: A process for mitigating the pollution caused by a potential polluting agent comprises binding the potential polluting agent with a product obtained by calcining skeletal material and hydrating the calcined skeletal material.Type: GrantFiled: August 9, 2006Date of Patent: December 18, 2007Assignee: ShellBond LLCInventor: Norman V. Filbert
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Patent number: 7303684Abstract: An economically viable process for the microwave destruction of contaminated water-based liquids, such as by chemical and biological agents, employs carbonaceous materials to enhance the efficiency of the microwaves while keeping the bulk temperature down to only a modest rise. A second absorption reactor is used not employing microwaves. The cyclic microwave use of both reactors allows high efficiency for the total process of destruction—adsorption.Type: GrantFiled: January 9, 2004Date of Patent: December 4, 2007Inventor: Chang Yul Cha
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Patent number: 7288498Abstract: The invention, in its various embodiments, relates to a medium for purifying fluids, particularly consumable fluids like air and water, by removing organic materials from the fluids by contacting the fluids with a combination of extremely small diameter transition metal oxide and an aluminosilicate having relatively large pores. In addition, contact of the fluids with the purification medium can also significantly reduce the level of microorganisms existing in the fluid, providing another purification benefit.Type: GrantFiled: October 8, 2003Date of Patent: October 30, 2007Assignee: Selecto, IncInventor: Ehud Levy
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Patent number: 7279106Abstract: A device for body fluid purification, comprising a container having an inlet and an outlet for a fluid and a means for preventing an adsorbent from flowing out of the container and an adsorbent charged in the container, the adsorbent comprising a spherical hydrogel, the spherical hydrogel having an average particle size in a range of from about 460 to 600 ?m and having a substantially uniform particle size and comprising an epoxidated cellulose having hexadecylamine immobilized thereon in an amount of 100 to 300 ?mol per gram of dry weight of said epoxidated cellulose, and water, wherein the weight ratio of said epoxidated cellulose having hexadecylamine immobilized thereon to the water is 2:8.Type: GrantFiled: March 1, 2005Date of Patent: October 9, 2007Assignee: Kaneka CorporationInventors: Toshiki Nanko, Shigeo Furuyoshi, Satoshi Takata, Masaru Nakatani
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Patent number: 7270753Abstract: The present invention relates to a polymer gel having a surfactant-like micelle structure obtained by polymerization or condensation polymerization of an ionic surfactant and an organic or inorganic compound having polymerizable moiety, which is capable of adsorbing and separating specific compounds in an easy recyclable manner.Type: GrantFiled: March 4, 2003Date of Patent: September 18, 2007Inventor: Hongdoo Kim
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Patent number: 7258797Abstract: The present invention relates to processes for removing water and/or surfactants from lipophilic fluids, absorbent materials employed in such processes, and lipophilic fluids produced by such processes.Type: GrantFiled: September 9, 2002Date of Patent: August 21, 2007Assignee: The Procter & Gamble CompanyInventors: Dewey Edward Burton, Arseni Valerevich Radomyselski, Paul Amaat Raymond Gerald France
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Patent number: 7231974Abstract: A simple and inexpensive device with no moving arts for removing from a well non-aqueous liquids, such as gasoline or crude oil, that accumulate on top of the water table in the well comprises a buoyant elongated member, such as a plastic tube sealed at both ends, and a hydrophobic sorbtive material preferably attached to the outside of the tube. The buoyant device is lowered into the well where it floats either in the non-aqueous liquids or in the water such that the sorbtive material is in contact with and absorbs the non-aqueous liquids from the surface of the water. The buoyant device is then removed from the well, the spent sorbtive material replaced with fresh sorbtive material and the device again lowered into the well for further removal of non-aqueous liquids.Type: GrantFiled: April 8, 2005Date of Patent: June 19, 2007Assignee: Chevron U.S.A.Inventor: G. Scott Thorsell
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Patent number: 7208082Abstract: A storm drain filter including a frame holding a filter assembly to filter incoming drainage water and thereby prevent sediment from entering the storm drain's inlet. The frame can be easily removed and replaced to allow street sweeping. In one embodiment, an erosion control apparatus comprises one or more broom filters each including a plurality of adjacent bristles, and a frame that holds the broom filter(s) so that the bristles extend downwardly to the road surface. In one embodiment, the beam of the broom filter is pivotally connected to the frame, and the bristles have substantially greater than a 90° vertical angle, to allow the weight and flexibility of the bristles to conform to variations in the road surface. A filtration bag to filter hydrocarbons may be attached downstream of the broom filter. The frame can be designed for a wide variety of implementations, and can be re-usable.Type: GrantFiled: November 3, 2004Date of Patent: April 24, 2007Inventors: John G. Hurst, David C. Runner, Samuel L. Hensley
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Patent number: 7186333Abstract: A filter system for insertion into a storm drain pipe for filtering liquid runoff. Storm weather or other runoff will filter through this filter system prior to this runoff passing through to the outfall and into oceans, lakes, streams, ponds or other retention areas. The filtration system fits within the storm drain underneath the manhole and will capture all the runoff. The filtration device contains a stainless steel flange which hinges into the storm drain and a main chamber which extends down into the storm drain containing a series of filter chambers. The first level of filtration the hydrocarbon media can be easily replaced once saturated. An overflow opening is located at the upper portion of the liquid capturing chamber which prevents backflow with excessive runoff.Type: GrantFiled: March 9, 2005Date of Patent: March 6, 2007Inventor: Robert Kluge
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Patent number: 7172701Abstract: A method of treating water including mixing the water with an inorganic powder reagent for reducing the content of organic matter. The water, after being mixed with the inorganic powder reagent, is subjected to a membrane separation step that produces blow off products that are then separated into two fractions: a first fraction containing a majority portion of the powder reagent in a first stream of water, and a second fraction containing a majority portion of inorganic matter not absorbed on the inorganic powder reagent rejected by the membrane separation step in a second stream of water.Type: GrantFiled: November 21, 2003Date of Patent: February 6, 2007Assignee: OTV SA S.A.Inventors: Abdelkader Gaid, Mickael Uyttewaal, Annie Tazi-Pain
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Patent number: 7160467Abstract: An oil-water separator for use in a trench, which surrounds an oilfield. The separator is positioned in the ground such that an inlet conduit extends at about the same level as the bottom of the trench. The trench water is admitted into the housing, where it contacts a plurality of buoyant oil-absorbing members, causing the oil particles to adhere to the surface of the oil-absorbing members. An outlet conduit located downstream from the oil-absorbing members is connectable to a pump to cause the oil-free water to be pumped from the housing and diverted away from the trench.Type: GrantFiled: November 30, 2004Date of Patent: January 9, 2007Inventor: Rene James Landry, Sr.
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Patent number: 7160466Abstract: Uses of cucurbituril derivatives are disclosed.Type: GrantFiled: August 25, 2003Date of Patent: January 9, 2007Assignee: Pohang University of Science and Technology FoundationInventors: Kimoon Kim, Jaheon Kim, In-Sun Jung, Soo-Young Kim, Eunsung Lee, Jin-Koo Kang
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Patent number: 7128831Abstract: A pollutant containment system for containing the spillage of fuels or other hydrocarbons or the like comprises a first layer (14, 60), a containment vessel (16) for receiving liquid passing through the layer (14) and channelling means (22) for directing liquid permeating through the layer towards the containment vessel (16). The layer (14) provides a plurality of active surfaces for the retention of pollutant and is such as to cause water to permeate through the layer at a flow rate to avoid emulsification of oil and water. Water is introduced into and removed from the containment vessel to raise and lower the water surface thereby to cause the pollutant to be smeared over the active surfaces.Type: GrantFiled: November 11, 2002Date of Patent: October 31, 2006Assignee: Coventry UniversityInventor: Alan Paul Newman
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Patent number: 7122122Abstract: A cellulose/silica composite useful as a filter material is highly selective towards a solute that has been molecularly imprinted upon an inorganic gel coating formed on the cellulose. The filter material provides dual filtering functionality, as both a selective molecular sieve and as a particulate filter. A unique method for making the filter material is also set forth that imparts these attributes and performance capabilities.Type: GrantFiled: July 22, 2003Date of Patent: October 17, 2006Assignee: Kraft Foods Holdings, Inc.Inventors: Manuel Marquez-Sanchez, Gustavo Larsen, Ahmad Akashe, David Vu, Rajinder S. Gill
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Patent number: 7105093Abstract: Apparatus, systems and methods are disclosed for treating a biological fluid with light. A container of biological fluid is introduced into a fluid treatment chamber where it is contacted with light provided by one or more light sources in proximity to the fluid treatment chamber. A drawer for holding containers of biological fluid introduces the containers into the chamber. Containers for holding the biological fluid are marked by the apparatus to indicate the status of the treatment.Type: GrantFiled: October 8, 2002Date of Patent: September 12, 2006Assignees: Baxter International Inc., Cerus CorporationInventors: Serge de Gheldere, Mahmood Mohiuddin, Peyton S. Metzel, George D. Cimino, Derek J. Hei, Michael S. Clarke
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Patent number: 7090774Abstract: The invention encompasses a method of packing and unpacking a column chamber. A mixture of a fluid and a matrix material are introduced through a column chamber inlet so that the matrix material is packed within a column chamber to form a packed column. The column chamber having the column chamber inlet or first port for receiving the mixture further has an outlet port and an actuator port. The outlet port is partially closed for capturing the matrix material and permitting the fluid to flow therepast by rotating relative one to the other of a rod placed in the actuator port. Further rotation relative one to the other of the rod and the column chamber opens the outlet and permits the matrix material and the fluid to flow therethrough thereby unpacking the matrix material from the column chamber.Type: GrantFiled: October 23, 1998Date of Patent: August 15, 2006Assignee: Battelle Memorial InstituteInventors: David A. Holman, Cynthia J. Bruckner-Lea, Fred J. Brockman, Darrell P. Chandler
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Patent number: 7056507Abstract: An adsorbent for removing hepatitis C virus which has the ability to adsorb HCV particles, particularly immune-complex HCV particles, from a patient's body blood safely and with high efficiency and high selectivity for enhancing the efficacy of interferon therapy, an HCV adsorption apparatus including said adsorbent, and a adsorbing method for removing HCV are provided. An adsorbent for removing hepatitis C virus which comprises a compound capable of adsorbing hepatitis C virus as immobilized on a water-insoluble carrier, an adsorption apparatus including said adsorbent, and an adsorbing method for removing HCV.Type: GrantFiled: June 11, 2003Date of Patent: June 6, 2006Assignee: Kaneka CorporationInventors: Eiji Ogino, Michio Nomura, Takashi Asahi, Shuichi Kaneko, Akito Sakai
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Patent number: 7045057Abstract: A process for preparing an ion-exchangeable media within a moving-bed or simulated moving-bed device, which can create a true or simulated media flow, comprising the steps of packing the bed with ion-exchangeable media and passing a solution, containing a mixture of ionic species, through the media, wherein the solution is passed partly or completely counter-current to the media flow direction such that the ionic species are loaded to a desired level upon equilibration.Type: GrantFiled: April 11, 2003Date of Patent: May 16, 2006Assignee: Calgon Carbon CorporationInventors: Mark A. Bollinger, Chen-Chou Chiang
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Patent number: 7041221Abstract: The present invention provides methods and apparatus for removing oil and oil containment for oil spills using crushed glass.Type: GrantFiled: April 19, 2004Date of Patent: May 9, 2006Inventor: Brian Arnott
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Patent number: 7022292Abstract: An injection and solidification operation as well as a kneading and solidification operation can be performed by a single facility. A decreased amount of radioactive secondary waste is generated. A solidifying agent paste is prepared by kneading a solidifying agent and additive water. The solidifying agent paste is injected into a solidifying container. The radioactive waste is charged into the solidifying container and kneaded.Type: GrantFiled: March 15, 2004Date of Patent: April 4, 2006Assignee: Hitachi, Ltd.Inventors: Tooru Kawasaki, Atsushi Yukita, Masato Ohura, Yasuo Yatou
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Patent number: 6991733Abstract: In order to reduce a total organic carbon (TOC) in ultrapure water to a level less than 1 ppb, several cycles of ozone contact/UV irradiation treatments are carried out in sequence. Preferably, the first cycle further includes an ion exchange treatment which is applied to the resulting UV irradiation water.Type: GrantFiled: May 25, 2004Date of Patent: January 31, 2006Assignee: Industrial Technology Research InstituteInventors: Kon-Tsu Kin, Pei-Lin Chang, Farhang Shadman, Hsiao-Fen Cheng
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Patent number: 6926831Abstract: In order to provide a safe means for the direct purification of groundwater, which enables the efficient use of carbon source and the concentration of nitrificans, while requiring no addition of heavy metals, a starch-derived biodegradable plastic is used as a single carbon source and immobilizing carrier of denitrificans, and contacted with nitrate-polluted groundwater.Type: GrantFiled: March 23, 2001Date of Patent: August 9, 2005Assignee: Japan Science and Technology CorporationInventors: Masatoshi Matsumura, Rey Nayve Fidel
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Patent number: 6902675Abstract: This invention relates to a method to extract terpenoids in aquatic environments by using a hydrophobic absorbent, thus reducing or eliminating off-flavor in water and aquaculture products which is caused by cyanobacteria-produced terpenoids.Type: GrantFiled: October 18, 2002Date of Patent: June 7, 2005Assignee: Mississippi State UniversityInventors: Anita M. Kelly, Tor P. Schultz
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Patent number: 6893571Abstract: An apparatus for storing water separated from fuels by a fuel filter is provided. The apparatus includes an absorber connected to a water accumulator of the fuel filter. The stored water may then be released again through heating or pressure using commercially available components and supplied to a further use.Type: GrantFiled: December 6, 2002Date of Patent: May 17, 2005Assignee: Filterwerk Mann & Hummel GmbHInventors: Michael Harenbrock, Andre Roesgen
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Patent number: 6849186Abstract: Buoyant, sphere-like materials on the order of about 10 to about 300 microns and surrounded, at least in part, by (1) a variable blend of a ferromagnetic and paramagnetic material and (2) an absorbing or adsorbing material are effective vehicles for isolating targeted materials. By virtue of its relatively low density, the composite material is capable of remaining sufficiently suspended in solution for a suitable amount of time. In addition, the blend of ferromagnetic and paramagnetic materials allows for the isolation of a composite material from an environment such as a solution, yet discourages substantial self-attachment of the composite materials in solution, when subject to a magnetic field. Accordingly, multiple embodiments of composite materials having these and other properties are disclosed, as well as methods for making and using the same.Type: GrantFiled: October 24, 2001Date of Patent: February 1, 2005Assignee: Phillips Plastic CorporationInventors: James R. Johnson, Majid Entezarian
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Patent number: 6844201Abstract: Methods for capturing analytes associated with surface-bound ligands are disclosed. The methods involve eluting analytes from surface-bound ligands with a first liquid to generate free analytes, and capturing the free analytes with a solid capturing material within the first liquid to generate a first liquid containing captured analytes. The first liquid may be a flowing liquid or a non-flowing liquid, and the surface to which the surface-bound ligand is attached may be a sensing surface, such as a biosensor, or a non-sensing surface. The captured analytes may be further consolidated at a location removed from the surface-bound ligand, eluted from the solid capturing material with a second liquid, and used for subsequent analysis or procedures.Type: GrantFiled: November 15, 2002Date of Patent: January 18, 2005Assignee: Biacore ABInventors: Magnus Malmqvist, Ă–sten Jansson
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Publication number: 20040262225Abstract: The present invention comprises a method and composition using akaganeite, an iron oxide, as an ion adsorption medium for the removal of arsenic from water and affixing it onto carrier media so that it can be used in filtration systems.Type: ApplicationFiled: April 5, 2004Publication date: December 30, 2004Applicant: New Mexico State University Technology Transfer CorporationInventors: Fernando Cadena C., Michael D. Johnson
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Patent number: 6821435Abstract: The invention relates to a system for water purification comprising at least two units, of which the first unit comprises at least one filter unit (1) which consists of a container (2) containing a filter bed (3) of zeolite, and of which the second unit (4) consists of a container (5) enclosing a UV lamp (6). The two units are connected to each other by means of a conduit (7) for conveying water. According to the invention, the filter bed (3) consists of at least 50% by weight natural zeolite with a pore diameter of 0.05-5 nm. The pressure in the filter bed is 1-4 bar and the UV lamp (6) has a light intensity of 300-500 J/m2.Type: GrantFiled: August 20, 2002Date of Patent: November 23, 2004Assignee: Josab International ABInventors: Jan Lindqvist, Jan-Olov Sparrman
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Patent number: 6818188Abstract: An injection and solidification operation as well as a kneading and solidification operation can be performed by a single facility. A decreased amount of radioactive secondary waste is generated. A solidifying agent paste is prepared by kneading a solidifying agent and additive water. The solidifying agent paste is injected into a solidifying container. The radioactive waste is charged into the solidifying container and kneaded.Type: GrantFiled: August 29, 2000Date of Patent: November 16, 2004Assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.Inventors: Tooru Kawasaki, Atsushi Yukita, Masato Ohura, Yasuo Yatou
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Publication number: 20040222160Abstract: The invention relates to a method for the removal of contaminant layers from water surfaces by means of planar bodies, made from open-celled foam plastic, whereby the planar body is laid on the surface of the water and, after saturation thereof with the oil, is drawn in. In order to guarantee that, during such a process all planar bodies made from open-celled foam plastic directly reach the site of application, in other words the contaminated water surface, said planar body is paid out under water.Type: ApplicationFiled: June 23, 2003Publication date: November 11, 2004Inventor: Erich Kumpf
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Patent number: 6805800Abstract: A method and apparatus (101) for the recovery of fat soluble compounds, such as beta carotene, is described. In one embodiment of the invention a solution (102) containing a fat soluble compound is passed through a fluidised bed (104) of crystalline metallic ore particles, such as magnetite, allowing the fat soluble compound to bind to the particles to form a complex (109). The fat soluble compound is released from the complex (109) by passing a wash solution (107) through the fluidised bed and subsequently collected in solution (108). The crystalline metallic ore particles may be reused.Type: GrantFiled: September 10, 2001Date of Patent: October 19, 2004Assignee: Beta Carotene Investments LimitedInventor: Peter James Keating
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Publication number: 20040195182Abstract: A solid phase mixed solvent polymer, compositions and methods for removing and retaining solvated organic compounds and inorganic ions from water, wastewater, superficial and ground water, soil and other environmental sources, a soil amendment and method resulting from adhesively coating the polymer onto sand along with at least one ion exchange material, and methods for the containment, reduction, and prevention of organic leaching from soils, agricultural, industrial, and commercial environments, and in particular, sports and athletic turf facilities such as golf courses where pesticides are frequently applied.Type: ApplicationFiled: June 18, 2002Publication date: October 7, 2004Inventor: Curtis Elliott
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Patent number: 6797846Abstract: A crystal substance formed by precipitating as fibrous aggregates by making a metal aliphatic carboxylate dissolve completely in pure water, stirring, and gradually cooling the resulting solution. A method of preparing the fibrous crystal aggregates. A material for recovering flowing oil and method of recovering flowing oil by using the fibrous crystal aggregates. A material for solidifying liquid hydrocarbon, waste tempura oil and edible oil and method of solidifying liquid hydrocarbon, waste tempura oil and edible oil by using the fibrous crystal aggregates. A method of preparing the solidifying material.Type: GrantFiled: March 11, 2002Date of Patent: September 28, 2004Assignees: National Institute of Advanced Industrial Science and Technology, Okamura Oil, Mill, Ltd.Inventors: Hiroshi Sakaguchi, Yoshishige Kida, Seizi Iseki
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Publication number: 20040178150Abstract: An oil-sorbing filter element for removing oil from an aqueous flow such as the bilge water of a watercraft. The element includes a first stage which is formed of a consolidated. permeable mass of a oleophilic polymeric material such as styrenic mid-block copolymer.Type: ApplicationFiled: February 10, 2004Publication date: September 16, 2004Inventors: Donald R. Denton, Douglas E. Herrick, Geary Lane, Kirby S. Mohr
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Patent number: 6790364Abstract: A process for separation and environmentally benign disposal of amine borane complexes includes adsorbing amine borane complex onto a solid support, treating the adsorbed amine borane complex with an oxidizing agent in situ on the adsorbent thereby forming decomposition products without the formation of hydrogen gas, and collecting the decomposition products for disposal thereof.Type: GrantFiled: September 27, 2002Date of Patent: September 14, 2004Assignee: The BOC Group, Inc.Inventors: Qing Min Wang, Juzer Jangbarwala
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Patent number: 6783686Abstract: A method and product for removing at MTBE molecules from a solution, such as a contaminated aquifer, includes exposing the solution to a plurality of molecularly imprinted polymer beads (MIPS) that have receptor sites on the surfaces thereof that include imprints that match the physical shape of at least a portion of an MTBE molecule. A quantity of the MTBE molecules align with and adhere to some of the receptor sites and, accordingly, they are removed from the solution producing a remediated solution. According to one embodiment, the MIPS are contained in an enclosure having a plurality of openings large enough to permit the solution to pass through and small enough so as to prevent the MIPS from passing through. According to a preferred embodiment the MIPS are applied (i.e., coated) to the inside surface of a conduit and the solution is forced or allowed to flow through the conduit thereby removing some of the MTBE molecules therefrom.Type: GrantFiled: June 25, 2001Date of Patent: August 31, 2004Inventors: Anna Madeleine Leone, Risto Aadolf Rinne, Jr.
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Patent number: 6780329Abstract: A microporous diffuser includes a first elongated member including at least one sidewall having a plurality of microscopic openings. The sidewall defines an interior hollow portion of the member. The diffuser has a second elongated member having a second sidewall having a plurality of microscopic openings, the second member being disposed through the hollow region of the first member. The diffuser includes an end cap to seal a first end of the microporous diffuser and an inlet cap disposed at a second end of microporous diffuser for receiving inlet fittings.Type: GrantFiled: January 30, 2003Date of Patent: August 24, 2004Inventor: William B. Kerfoot
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Patent number: 6767469Abstract: A method for separating at least one compound from a liquid mixture containing different compounds where anew crystalline manganese phosphate composition with the formula Mn3(PO4)4.2(H3NCH2CH2)3N.6(H2O) is dispersed in the liquid mixture, selectively intercalating one or more compounds into the crystalline structure of the Mn3(PO4)4.2(H3NCH2CH2)3N.6(H2O).Type: GrantFiled: June 18, 2002Date of Patent: July 27, 2004Assignee: Sandia CorporationInventors: Steven G. Thoma, Francois R. Bonhomme
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Patent number: 6764601Abstract: The invention relates to a process of coating inorganic particles with organic compositions, and agglomerating, compacting and heating of the coated particles into granules. Coating and compacting the agglomeration may be conducted continuously, and may be used to form granules having sizes ranging from about 1 to about 200 mesh. In one embodiment, these particles can be used to purify drinking water by removing heavy metals such as arsenic, lead and mercury and to remove or kill microorganisms in the drinking water, air and gas.Type: GrantFiled: April 16, 2001Date of Patent: July 20, 2004Assignee: Selecto Scientific, Inc.Inventors: Ehud Levy, Matthew D. Barranco, Mohammed Tazi
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Publication number: 20040134858Abstract: A fluid pollution prevention system for preventing the discharge of hazardous waste from a bilge of a marine vessel, and removal of the same from the bilge. The system includes an absorber for absorbing hazardous waste from a fluid in the bilge. The system further includes a locator for locating the absorber in a predetermined orientation relative to a bilge pump to prevent the discharge of hazardous waste from the bilge. In one embodiment of the invention, the locator is an upstanding member in relation to the fluid in the bilge and includes at least one locator channel defined along at least a portion of the locator for slidable receipt of the absorber. According to this characterization, the absorber is movable along the locator channel as a function of the bilge fluid level to absorb hazardous waste from the fluid and isolate an inlet of the bilge pump from receipt of the same.Type: ApplicationFiled: January 15, 2003Publication date: July 15, 2004Inventor: Paul Clukies
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Publication number: 20040108276Abstract: The present invention is about a new porous and magnetic, inorganic-based composite material, its production process and its use as a sorbent to preferentially sorb oil (such as crude oil) in mixtures with waters (oil spills in the sea, lakes etc.) and separate the oil (from waters) by magnetic separation or other mechanical methods and recover the oil with a potential of a nearly 100% efficieny. The same material and methods can be applied to clean and recover oils from oil spills formed on the ground or other solid surfaces.Type: ApplicationFiled: July 14, 2003Publication date: June 10, 2004Inventor: Neofytou Christodoulos Christodoulou
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Patent number: 6746695Abstract: This invention relates to methods of extracting and purifying bioactive substances from various plants and herbs. More specifically the invention relates to methods of extracting and separating bioactive substances from various plants and herbs, such as Kava root, Byrsonima species, Aesculus californica, Crataegus mexicana, Simmondsia chinensis, Pfaffia species, Alternanthera repens, Bursera species, Turnera species, Perezia species, Heimia salicifolia, Psidium species, Enterlobium species, Ptychopetalum olacoides, Liriosma ovata, and Chaunochiton kappleri, using supercritical fluid extraction and/or fluorocarbon solvent extract. The present invention further relates to separation of bioactive substances contained in extracts using packed column supercritical fluid chromatography or HPLC where dense gas with or without modifiers is the mobile phase.Type: GrantFiled: May 26, 2000Date of Patent: June 8, 2004Assignees: Armadillo Pharmaceuticals, Inc., Virginia Tech. Intellectual Properties, Inc.Inventors: Michael Z. Martin, Mehdi Ashraf-Khorassani, Larry Taylor
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Publication number: 20040079702Abstract: A method for the removal of a substance carrying a negative charge and being present in an aqueous liquid (I). The method comprises the steps of: (i) contacting the liquid with a matrix carrying a plurality of ligands comprising a positively charged structure and a hydrophobic structure, and (ii) desorbing the substance.Type: ApplicationFiled: November 26, 2003Publication date: April 29, 2004Inventors: Bo-Lennart Johansson, Mikael Andersson, Jan Gustavsson, Makonnen Belew, Jean-Luc Maloisel
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Patent number: 6712882Abstract: A process for treating waste water from an industrial process for producing propylene oxide, which process involves the steps of: (a) subjecting the waste water to a multi-effect evaporation treatment resulting in a vaporous top fraction and a liquid bottom fraction containing the non-volatile contaminants; and (b) condensing at least part of the vaporous top fraction into a liquid stream which is subject to a stripping treatment resulting in an overhead stream containing volatile waste organic material and purified water as the liquid bottom stream.Type: GrantFiled: April 26, 2002Date of Patent: March 30, 2004Assignee: Shell Oil CompanyInventors: Johan Hendrik De Bie, Robert Frank Dee, Raymond Lawrence June, Marinus Van Zwienen
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Patent number: 6709600Abstract: A method for removing organic liquids from aqueous solutions and mixtures. The method employs any porous material preferably in granular form and having small pores and a large specific surface area, that is hydrophobic so that liquid water does not readily wet its surface. In this method, organics, especially organic solvents that mix with and are more volatile than water, are separated from aqueous solution by preferentially evaporating across the liquid/solid boundary formed at the surfaces of the hydrophobic porous materials. Also, organic solvents that are immiscible with water, preferentially wet the surfaces of the hydrophobic material and are drawn within the porous materials by capillary action.Type: GrantFiled: September 21, 2001Date of Patent: March 23, 2004Assignee: The Regents of the University of CaliforniaInventors: Lawrence W. Hrubesh, Paul R. Coronado, Jerome P. Dow
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Publication number: 20040035797Abstract: A sorbent and filter media material produced from a mass of delustered hydrophobic and lipophilic fibers. In one embodiment the fibers are mixed together to form a cohesive wad of fibers. The wad has a substantial volume of internal interstices available to absorb a liquid hydrocarbon or an organic liquid, and the surfaces of the fibers also adsorb that liquid. The combination of adsorption and absorption enables the sorbent to sorb up to twenty times it own weight of hydrocarbon or organic liquid. Preferably a majority of the fibers are of a relatively shorter length, while a minority of the fibers are of a relatively longer length. The longer fibers help bind the wad together into a cohesive mass that has a substantial volume of internal interstices. After a short time during which the hydrocarbon is sorbed, the wadded mass can be collected, pressed to recover the hydrocarbon, and recycled.Type: ApplicationFiled: August 21, 2003Publication date: February 26, 2004Inventors: Jerry M. Brownstein, Kathy R. Brownstein, Brent A. Hepner
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Patent number: 6685839Abstract: In the field of biomass extraction, there is a need for effective removal of solvent from spent biomass material. An apparatus for removing solvent residues includes a vessel (11) for containing biomass; a steam source (19) for supplying steam to contact the biomass; and a separator (24) for separating solvent from steam that has contacted the biomass. The disclosure includes a method of use of the apparatus.Type: GrantFiled: September 5, 2000Date of Patent: February 3, 2004Assignee: Ineos Fluor Holdings LimitedInventors: Stuart Corr, Paul A. Dowdle, Robert E. Low, James David Morrison, Frederick Thomas Murphy
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Publication number: 20040007534Abstract: Superabsorbent polymers (SAPs) are used for the containment and treatment of wastewaters. SAPs are mixed with a wastewater in amounts sufficient to absorb substantially all of the wastewater and prevent it from leaving a defined containment area. The water can then be evaporated from the SAP to produce a substantially dry polymer composition containing the SAP and the wastewater contaminants. The dry polymer composition is discarded or, when appropriate, used as a fertilizer for plants. Surprisingly, the SAP reduces the odor associated with ammonia containing wastewaters by binding to the ammonia and reducing the ammonia gas present in the airspace around the wastewater. The evaporation process may be conducted in the presence of a heat exchanger to produce cool, fresh air that is used to cool facilities, particularly animal rearing and production facilities.Type: ApplicationFiled: July 14, 2003Publication date: January 15, 2004Inventors: Gary W. Roach, Elbert Glen Price