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| Number | Title | Issue Date |
| 8137550 | Fluid remediation system for removing particulates from an aqueous stream A fluid remediation system for removing particulates from an aqueous stream having a separation component and a clarifier component is described herein. The separation component can include a frame, a scalping shaker for receiving a primary slurry and forming a firs... | 03/20/2012 |
| 8062517 | System for removal of contaminants from industrial streams A method and system for removing from an aqueous system which is contaminated therewith: (1) mercury present as colloids, ions and/or organically bound compounds, and (2) hydrocarbons solubilized, dispersed, and/or emulsified in the said system. Pursuant to the inve... | 11/22/2011 |
| 7736501 | System and process for concentrating hydrocarbons in a bitumen feed A system and process for concentrating hydrocarbons in a bitumen feed comprising bitumen, water and solids. The system comprises an inclined plate separator, a hydrocarbon cyclone and a centrifuge. The inclined plate separator separates the bitumen feed into a first... | 06/15/2010 |
| 7651612 | Device for the purification of contaminated liquid A device for purification of contaminated liquid includes (a) a prepurification tank in which raw water to be purified and foaming reagent are introduced and mixed and the pH value is adjusted, whereby prepurified water is obtained; (b) at least one tower-shaped mai... | 01/26/2010 |
| 7645382 | Apparatus for converting biological materials into energy resources A method of converting biological material into energy resources includes transmitting biological material to a pulsed electric field (PEF) station, and applying a PEF to the biological material within a treatment zone in the PEF station to generate treated biologic... | 01/12/2010 |
| 7578935 | Separation device of radioisotope Tl-201 A device to rapidly obtain a solution of Pb(lead)-201 from a solution of a solid target material of Tl(thallium)-203. The solution of Pb-201 is then processed through a degeneration and an ion exchange to obtain in Tl-201 radioisotope. ... | 08/25/2009 |
| 7550082 | Process and equipment for treating ammonium containing liquid The process for treating an ammonium containing liquid by denitrification treatment of an ammonium containing liquid containing at least ammonium comprises carrying out nitrate reduction treatment of reducing nitrate contained in or added to the ammonium containing ... | 06/23/2009 |
| 7550083 | Process and equipment for treating ammonium containing liquid The process for treating an ammonium containing liquid by denitrification treatment of an ammonium containing liquid containing at least ammonium comprises carrying out nitrate reduction treatment of reducing nitrate contained in or added to the ammonium containing ... | 06/23/2009 |
| 7442305 | Downwash process bioremediation system Disclosed herein is a method for the removal of petroleum hydrocarbon and toxic constitutes from contaminated soils and sediment. The method comprises the removal of contaminated materials from soils and performs bioremediation for the removed contaminated materials... | 10/28/2008 |
| 7438817 | System and method for treatment of acidic wastewater A wastewater treatment system comprising separation unit operations inhibits or promotes the formation and precipitation of species by controlling the pH of wastewater to be treated entering into the separation unit operations. The separation unit operations include... | 10/21/2008 |
| 7438805 | Apparatus for reducing volume of sludge The pH value of excess sludge taken out from a biological oxidation tank (2) is adjusted to 8 to 14, and the pH-adjusted sludge is injected into a solubilizing device (3). The sludge taken out from the solubilizing device (3) is heated to 110° ... | 10/21/2008 |
| 7438799 | Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants A portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants includes a portable, refillable and hand-holdable vessel for holding and pouring water having a spout and, inside the portable, refillable and hand-holdable ... | 10/21/2008 |
| 7438807 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process Discloses apparatus to perform a process to remove water and minerals from a bitumen froth output of a oil sands hot water extraction process. A bitumen froth feed stream is diluted with a solvent and supplied to a primary inclined plate separator stage, which separ... | 10/21/2008 |
| 7438189 | Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process An apparatus for separating bitumen from a bitumen froth output of a oil sands hot water extraction process comprises an inclined plate separator (IPS) for providing a first bitumen separation stage and a cyclone for providing a second bitumen separation stage. The ... | 10/21/2008 |
| 7425304 | Processing set and methods for processing and treating a biological fluid 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 tre... | 09/16/2008 |
| 7378022 | System and methods for biological selenium removal from water A biological system for removing selenium from waste water comprises a first immobilized cell bioreactor (ICB) and a selenide removal module. The first ICB comprises a chamber having a substrate housed therein and situated to contact the waste water flowing therethr... | 05/27/2008 |
| 7371320 | Magnetic separation unit and water purification system A magnetic separation unit can prevent any magnetic flocs deposited on an inner wall of a water passing pipe from closing a water channel for stabilizing a magnetic separation performance and reduce cost by a small-diameter portion of the water passing pipe. The mag... | 05/13/2008 |
| 7367243 | Traps and vents in flow-through pipet This invention relates generally to a volumetric pipet used to make a volumetric measurement and transfer a measured amount of liquid. More specifically the invention relates to a pipet that fills from the top, works well with automated systems because it does not r... | 05/06/2008 |
| 7367459 | Passive grease trap using separator technology A grease trap for separating grease and solid waste from waste water. The grease trap includes a tank having a downwardly shaped bottom. An upwardly shaped divider divides the tank into an upper chamber and a lower chamber. A hole near an upper part of the divider a... | 05/06/2008 |
| 7354511 | Hydraulic unit for industrial trucks A hydraulic unit for industrial trucks, comprising a motor pump unit which is directly attached to a tank, a reflux filter which has an elongate filter casing for a filtering element adapted to be introduced into the tank through an opening, a hose coupling, and an ... | 04/08/2008 |
| 7351335 | Filter module A filter module provided with a housing (3) having an inlet (6) for a liquid to be filtered and an outlet (10) for filtered liquid, with a first filter element (7-9, 12) accommodated in the housing (3), in the form of a poro... | 04/01/2008 |
| 7351330 | Iron and hydrogen sulfide removal apparatus An automated system controls operation of a filtration system. The filtration system includes an aeration tank and a filtration tank. The system includes a pressure sensor, an air pump, a bleed passage, and a pressure control. The pressure sensor measures a pressure... | 04/01/2008 |
| 7341660 | Unitary three stage wastewater treatment system The invention is a three stage wastewater treatment system having a first tank, a second tank and a third tank, all in fluid communication and forming a unitary structure. The first and second tanks are nested, where the first tank is the innermost tank. The first t... | 03/11/2008 |
| 7332079 | Floatation process for removal of heavy metal waste and associated apparatus The present invention is a floatation process and associated apparatus for removing heavy metal waste from various effluent water streams. The process and apparatus generally introduces a population of fine diameter air bubbles and one or more flocculating chemicals... | 02/19/2008 |
| 7329343 | Water treatment bypass loops having ozone and chlorine generators Water treatment bypass loops combining ozone and chlorine injection, and an adaptable clamp apparatus to support efficient retrofit installation of forward bypass loops (around filters) or reverse bypass loops (around pumps) and associated equipment are disclosed. C... | 02/12/2008 |
| 7329358 | Water treatment process A system and process for treating water are described. Water may be purified by passing feed water through an electrochemical deionization device. The water may be suitable for cooking, washing, and beverage production. ... | 02/12/2008 |
| 7311834 | Apparatus for the treatment of particulate biodegradable organic waste An apparatus for treating particulate biodegradable organic waste includes a thermal hydrolysis reactor receiving the particulate biodegradable organic waste for performing thermal hydrolysis at a temperature of about 130° C. at a pressure at or above the saturated... | 12/25/2007 |
| 7311799 | Hydrofluoric acid wastewater treatment method and device The invention provides a hydrofluoric acid wastewater treatment method that achieves efficient recovery of hydrofluoric acid from hydrofluoric acid wastewater and also achieves sufficient reduction in the hydrofluoric acid concentration of the dehydrofluorinated wat... | 12/25/2007 |
| 7309443 | Skimmer and filter The present invention provides a skimmer and filter unit for use with a body of water. The unit comprises a housing, a basket for collecting debris, and a partitioning baffle with upper openings and optionally lower openings, and a microorganism eradication system w... | 12/18/2007 |
| 7306733 | Autotrophic denitrification chamber and calcium reactor The present invention describes novel biological systems for efficiently reducing nitrate levels and otherwise conditioning aquarium water and water in similar environments. ... | 12/11/2007 |
| 7306717 | Water treatment apparatus It is an object of the present teachings to provide a technique for effectively providing a packed region in a water treatment apparatus in which the packed region is provided in a path of water to be treated and is filled with biomembrane-deposited members. Accordi... | 12/11/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7300579 | Flocculation apparatus A flush mixing tank is provided with a flocculant mixing section in which a raw water a to be treated is introduced and a flocculant such as known aluminum sulfate or polychlorinated aluminum is injected, and then they are agitated and mixed; and a floc growing sect... | 11/27/2007 |
| 7300578 | Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid A mobile apparatus and method for recycling an invert emulsion based drilling fluid, in which the invert emulsion based drilling fluid includes an oleaginous component and an aqueous component. The apparatus includes an emulsion breaking tank, a water treatment tank... | 11/27/2007 |
| 7297258 | Coupling of a sewer treatment station to a treatment plant for the flocculation and flotation of water streams and the insertion of treatment plant for the flocculation and flotation of water streams into a water treatment station The coupling of a sewer treatment station to a treatment plant for the flocculation and flotation of water streams and the insertion of said treatment plant for the flocculation and flotation of water streams into a water treatment station. The sewer treatment stati... | 11/20/2007 |
| 7294226 | Method of removing high density stickies from secondary papermaking fibers A hybrid method for processing papermaking fibers to remove high density stickies typically includes utilizing a multistage array of forward cleaners coupled with a flotation cell which increases overall efficiency of the system. In a preferred embodiment, a first r... | 11/13/2007 |
| 7294265 | Ion adsorption module and method for water treatment An ion adsorption module comprises a container with at least an opening into which feed water flows, and an organic porous ion exchange material having a three-dimensional reticular structure filled into the container, which has a continuous pore structure comprisin... | 11/13/2007 |
| 7288191 | Sludge treatment apparatus A sludge treatment method allowing an improvement in a phosphorus recovery rate and sludge volume reduction by efficiently eluting phosphorus in the sludge. The sludge treatment method includes: a step of foaming a sludge-containing liquid by blowing an ozone-contai... | 10/30/2007 |
| 7279100 | Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane Methods and apparatus for treating wastewater are described, one method embodiment including the steps of flowing a mixed liquor suspended solids to a high rate clarification stage, forming a clarifier effluent, a first waste activated sludge stream, and a return wa... | 10/09/2007 |
| 7279073 | Apparatus for liquid-based fiber separation An apparatus for treating fibrous material is disclosed. The apparatus may include a fiber separator, a de-liquefier, a dry-to-wet blender and a flash dryer. The fiber separator may be a liquid-based fiber separator. The de-liquefier is for removing liquid from the ... | 10/09/2007 |
