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| Number | Title | Issue Date |
| 8137565 | Naphthenic acid removal and conversion Methods and apparatus relate to handling of organic contaminants in aqueous streams. The methods and apparatus enable removing the contaminants, such as naphthenic acids, from the aqueous streams and then converting the contaminants into hydrocarbons. The removing a... | 03/20/2012 |
| 7799230 | Method for treatment of oil to facilitate its subsequent removal Method for treatment of oil on a solid or liquid surface to facilitate subsequent removal of the oil from the surface. A fat-soluble metal containing substance comprising an organic anion and a metallic cation is added to the oil. The metal containing substance may ... | 09/21/2010 |
| 7686961 | Apparatus for removing dissolved and suspended contaminants from waste water The present invention provides a method and apparatus for the treatment of waste water, particularly for the treatment and/or reduction of floating pollutants in storm water waste streams. The apparatus of the invention achieves a high containment level of floating ... | 03/30/2010 |
| 7597809 | Methods for removal of oil and other contaminants from water The invention relates to compositions and methods for separating oil and other contaminants (particularly oleophilic compounds) from water and other carriers. The invention is particularly useful for separating oil and other oleophilic compounds from bilgewater and ... | 10/06/2009 |
| 7413662 | Preparation and use of sorptive lignocellulosic material for decontamination of fluid and aqueous media A modified sorptive lignocellulosic fibre material with hydroxyl groups on the lignocellulosic fibres doubly modified by esterification with a combination of monocarboxylic and dicarboxylic acid ester groups. A process for the preparation of the sorptive material. T... | 08/19/2008 |
| 7354516 | Oil digesting microbe-plastic foam system 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... | 04/08/2008 |
| 7354518 | Water pollution prevention and remediation method 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 i... | 04/08/2008 |
| 7332091 | Process for treating storm water An insert for a storm water treatment system includes an elongated baffle member that is configured to be mounted within a substantially upright storm water drain basin so as to separate the interior space of the drain basin into a first compartment that communicate... | 02/19/2008 |
| 7329355 | Method for absorption of hydrocarbons and low-polarity chemicals The present invention relates to methods of recovering hydrocarbons or low polarity organic chemicals from hard surfaces, water and water surfaces, in their vapor state and from porous substrates. The hydrocarbons or low-polarity organic chemicals may be included in... | 02/12/2008 |
| 7309438 | Mitigation of environmental pollution 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. ... | 12/18/2007 |
| 7297279 | Method for removing oil from water coalescing in a polymer particle/fiber media Apparatus in fluid communication with a water leg portion of a hydrocarbon-contaminated water, e.g., a water leg portion of a produced water stream or an offshore drilling or production platform sump tank for conveying water, separated from oil, into contact with no... | 11/20/2007 |
| 7258785 | Apparatus for separating oil and debris from water run-off A method and apparatus for separating oil and debris from urban water run-off, the apparatus being made up of a chamber which is mounted in a storm drain system and has an inner basin with a tilted wire wedge wire screen filter in the path of flow of the run-off, an... | 08/21/2007 |
| 7246472 | Drain and a building structure having a drain A floor drain (100) comprising a bottom part (4) having at least one discharge opening (5), a front part being integral with the bottom part (4) and having a first part (3b) being inclined to said bottom part at an angle bei... | 07/24/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7229559 | Dual-action decontamination method Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 06/12/2007 |
| 7211605 | Super-hydrophobic fluorine containing aerogels An aerogel material with surfaces containing fluorine atoms which exhibits exceptional hydrophobicity, or the ability to repel liquid water. Hydrophobic aerogels are efficient absorbers of solvents from water. Solvents miscible with water are separated from it becau... | 05/01/2007 |
| 7201533 | Sewer grate locking mechanism and method of installing same A conventional sewer grate has a locking mechanism for preventing removal of the grate from its mounting frame by unauthorized persons. The locking mechanism includes a grate hold-down device, a threaded nut attached to the mounting frame below the hold-down device,... | 04/10/2007 |
| 7198723 | Method using super absorbent polymers for dehydration of oil Water is separated from an emulsion of water and oil by passing the emulsion through a bed of superabsorbent polymer granules which break the emulsion and absorb water from the mixture of water and oil. An apparatus for separating water from an emulsion of water and... | 04/03/2007 |
| 7169318 | Imbibed organic liquids, especially halogenated organics Solid composition has an organic spill absorbing material in which is absorbed certain of a liquid organic compound or composition. The organic spill absorbing material can be water insoluble, particulate polymer particles that imbibe liquid organic materials. A hal... | 01/30/2007 |
| 7160473 | Manually controlled skimming of industrial oil contaminants The present invention provides a method for removing an oil contaminant from the surface of an aqueous solution, comprising manually controlling a surface skimmer from a remote location to remove a layer or a batch of an oil contaminant from an oil-aqueous solution ... | 01/09/2007 |
| 7160441 | Urban runoff water treatment methods and systems The apparatus and methods of the present invention enable efficient and appropriate treatment of Urban Water Runoff, so that the treated Urban water Runoff can be can be introduced into public waterways without contaminating such waterways. The system apparatus util... | 01/09/2007 |
| 7138055 | Water pollution prevention and remediation apparatus 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 i... | 11/21/2006 |
| 7128831 | Pollutant containment system 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 | 10/31/2006 |
| 7125823 | Methods of making dual-action decontamination media Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 10/24/2006 |
| 7115160 | Filtration media Particles may be used to filter harmful biological material from an fluid stream such as air. The particles can be arranged into a bed to filter the harmful biological material from the fluid. The particles include a biocidal agent which is used to destroy the harmf... | 10/03/2006 |
| 7105086 | Storm drain capture and containment device A storm drain system (10) contained in the ground (36) contains a standpipe (12) having a bottom section (18) having perforations (20) where a porous pavement (22) surrounds the top portion of the standpipe (12), wher... | 09/12/2006 |
| 7094338 | Method of making and using a filter in the form of a block of agglomerated copolymer fragments One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter system beneath the grate of a storm drain without the need for the fil... | 08/22/2006 |
| 7066586 | Ink refill and recharging system Ink refill systems are disclosed. In general, an ink source comprising a saturated zone and a tubarc porous microstructure for conducting ink from the saturated zone to an unsaturated zone are provided. The ink can be delivered from the saturated zone to the unsatur... | 06/27/2006 |
| 7048878 | Process of forming oil-absorbent bodies A process for forming an oil-sorbent composition of matter with bound combinations of styrene-butadiene-styrene (SBS) and ethylene propylene diene monomer (EPDM) utilizes a low-temperature extrusion process. The SBS, or both materials, may be in the form of multitud... | 05/23/2006 |
| 7001507 | Retention and removal of debris and pollutants from surface water runoff A system to restrict and remove debris and pollutants from runoff water received from surrounding areas. A receptacle receives the runoff water, and a grate detains the heavier part of its solids burden. A first screen within the receptacle detains solids of lesser ... | 02/21/2006 |
| 6974540 | Street curb drain filter A street curb drain filter is comprised of U-shaped brackets for attaching to an inside wall of a street curb drain adjacent an inlet. A horizontal retaining bar is attached to the outer ends of the brackets. The lower edge of a horizontally elongated flexible net i... | 12/13/2005 |
| 6852234 | Apparatus and method for in situ burning of oil spills A method for in-situ burning of oil slicks on water, including the steps of: 1) providing a plurality of individual floating wicks; 2) positioning the wicks in the oil slick; and 3) igniting the wicks. Additionally, a method for manufacturing floating wicks for use ... | 02/08/2005 |
| 6841077 | Separation of hydrocarbons from hydrocarbon containing liquid A novel filtration media employing polymeric absorbents comprising a material selected from the group consisting of styrene, pentadiene, cyclopentadiene, butylene, ethylene, isoprene, butadiene, propylene and mixtures thereof; and a filtration enabler intimately mix... | 01/11/2005 |
| 6764603 | Material for extracting hydrophobic components dissolved in water A method for the extraction of hydrophobic constituents, such as benzene, toluene, xylene and/or chlorinated hydrocarbons, from an aqueous solution, involving the steps of contacting said solution with a porous, preferably dimensionally stable granular or powdery ma... | 07/20/2004 |
| 6749655 | Filtration of flux contaminants A two-stage filtration system is coupled with an oven, such as a solder reflow oven, to remove a vapor stream from the oven and to remove organic compounds that have volatilized from a solder flux and other contaminants from the vapor stream. The filtration system i... | 06/15/2004 |
| 6712976 | Dual-action decontamination system Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce proliferation of microbial organisms as well as sorb chemical contaminants f... | 03/30/2004 |
| 6641738 | Water/oil separator and use thereof A process for the removal of oil from oil-contaminated water is efficient, inexpensive, and capable of oil removal to a level where the water may be disposed of by conventional sewage treatment or reused. The apparatus which performs the process consists ... | 11/04/2003 |
| 6582608 | System for the removal of organic contaminants from water, air and soil Discrete non-clumping mechanically stable geometric alloyed material shapes having about 55-95% by weight thermoplastic elastomer and about 5-45% thermoplastic polymer and about 0-12% by weight filler are used for removing organic contaminates from contam... | 06/24/2003 |
| 6503390 | Filtration of hydrocarbon containing liquid An apparatus for and method of filtering hydrocarbon contaminated water is disclosed herein. The present invention may be used in drainage openings, particularly in parking lots and containment areas for large sources of hydrocarbons such as oil tanks or ... | 01/07/2003 |
| 6491824 | Method for processing returns from oil and gas wells that have been treated with introduced fluids A method for resolving sludge/emulsion formed as a result of adding introduced fluids to oil and gas wells. The method comprises adding a water-dispersible emulsion breaker and/or adjunct additives that may include iron-control chemicals, scale-control ch... | 12/10/2002 |
