Assignee: Siemens Water Technologies Holding Corp.

Location: Warrendale, PA
No. of patents: 31

Number	Title	Issue Date
7867401	Water treatment control systems and methods of use The control systems and technique can regulate or control operations of a water treatment system in a primary control mode and, when appropriate, in a secondary or an alternate control mode. The primary control can represent a normal control mode during which the wa...	01/11/2011
7862700	Water treatment system and method A method and apparatus for producing purified water. Treated water may be provided for domestic use wherein the water may be treated by removing selected dissolved species while retaining properties that may improve the properties or aesthetics of the water. ...	01/04/2011
7850822	System and method of wet oxidation of a viscose process stream A wet oxidation process is used to control the concentration of reduced sulfur compounds from a viscose process. The wet oxidation process oxidizes the reduced sulfur compounds to convert such reduced sulfur compounds to an alkali sulfate and/or thiosulfate species....	12/14/2010
7658828	Regeneration of adsorption media within electrical purification apparatuses The present disclosure generally relates to methods, systems, and devices for electrically purifying liquids containing species such as minerals, salts, ions, organics, and the like. One aspect of the invention provides methods of regenerating media within an electr...	02/09/2010
7604725	Water treatment system and method The present invention is directed to a water treatment or purification system and method for providing treated water in industrial, commercial and residential applications. The treatment system provides treated or softened water to a point of use by removing at leas...	10/20/2009
7582198	Water treatment system and method A method and apparatus for producing purified water. An electrochemical system can be configured to pass product water through depletion compartments as well as a cathode compartment. An electrochemical apparatus may also be configured to pass concentrate through bo...	09/01/2009
7572359	Apparatus for fluid purification and methods of manufacture and use thereof The present invention generally relates to devices able to purify fluids electrically that are contained within pressure vessels, as well as to methods of manufacture and use thereof. Liquids or other fluids to be purified enter the purification device and, under th...	08/11/2009
7563351	Water treatment system and method A water treatment system provides treated or softened water to a point of use by removing a portion of any hardness-causing species contained in water from a point-of-entry coming from a water source, such as municipal water, well water, brackish water and water con...	07/21/2009
7563311	Activated carbon for odor control An activated carbon-metal oxide matrix is disclosed. The activated carbon-metal oxide matrix may be obtained by a method including the steps of: preoxidizing a carbon material, grinding the preoxidized carbon material; mixing the ground preoxidized material with a m...	07/21/2009
7501061	Production of water for injection using reverse osmosis A method and system for providing Water for Injection using reverse osmosis. Water for Injection can be produced by reverse osmosis and the reverse osmosis membrane can be kept in a constantly self-sanitizing condition. One way of obtaining a constantly self-sanitiz...	03/10/2009
7488423	System and method of slurry treatment Wastewater streams from semiconductor processing operations are treated to reduce the concentration therein of one or more metal species to a satisfactory level. The disclosed systems and technique utilize complexing ion exchange media to treat the wastewater stream...	02/10/2009
7481929	Water treatment system 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. ...	01/27/2009
7481918	Vibratory mixer A treatment system including a vibratory mixer is disclosed. The vibratory mixer comprises a vibrating element to facilitate the dissolution of a treating agent that facilitates separation of solids from liquids in water and wastewater streams. Vibratory mixing ener...	01/27/2009
7413654	Wastewater treatment control A wastewater treatment method. The method includes establishing a setpoint value of oxidation-reduction potential of a mixed liquor, measuring a measured value of oxidation-reduction potential of the mixed liquor, comparing the measured value of oxidation-reduction ...	08/19/2008
7404884	Injection bonded articles and methods Injection bonded articles comprised of a rigid core and secured together with an elastomeric material network which also forms seals and encapsulates at least a portion of the rigid core. The elastomeric material is selected to be compatible with the material compri...	07/29/2008
7390399	Water treatment control systems and methods of use The control systems and technique can regulate or control operations of a water treatment system in a primary control mode and, when appropriate, in a secondary or an alternate control mode. The primary control can represent a normal control mode during which the wa...	06/24/2008
7371319	Production of water for injection using reverse osmosis A method and system for providing Water for Injection using reverse osmosis. Water for Injection can be produced by reverse osmosis and the reverse osmosis membrane can be kept in a constantly self-sanitizing condition. One way of obtaining a constantly self-sanitiz...	05/13/2008
7344643	Process to enhance phosphorus removal for activated sludge wastewater treatment systems Contaminated wastewaters comprising biochemical oxygen demand (BOD), nitrogen and phosphorus are treated by an activated sludge process. The process utilizes an activated sludge tank, a solid-liquid separator, and a bioreactor to significantly reduce, or eliminate, ...	03/18/2008
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
7326340	System for controlling sulfide generation Systems and methods for reducing odors utilizes oxidation-reduction potential to characterize the quality of water or wastewater and control addition of a species thereto that reduces or inhibits biological sulfide generation. Oxidation-reduction potential is measur...	02/05/2008
7326325	Apparatus and method for connecting water treatment devices A method and apparatus for connecting water treatment devices is provided. Connecting brackets may allow for a multiple configurations of water treatment devices and can simplify the building of water treatment systems. ...	02/05/2008
7314564	Method for treating liquids A system for treating wastewater includes a basin to contain wastewater, an aerator provided in the basin to mix the wastewater, and a cover system to cover a surface of the wastewater contained in the basin. The cover system includes a plurality of hollow bodies di...	01/01/2008
7309427	System for treating liquids A system for treating wastewater includes a basin to contain wastewater, an aerator provided in the basin to mix the wastewater, and a cover system to cover a surface of the wastewater contained in the basin. The cover system includes a plurality of hollow bodies di...	12/18/2007
7291268	Hydrocyclone bundle A hydrocyclone bundle comprising a plurality of hydrocyclone liners and a plate assembly for use in liquid-liquid separation is disclosed. The hydrocyclone bundle may be used in new or existing separators. The hydrocyclone liners may be oppositely positioned within ...	11/06/2007
7285223	Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals Continuous breakpoint halogenation with hydroxyl free radical species is used to increase the rate of sanitization a water system and maintain a high rate of oxidation in the bulk water of the pool, spas, and other water systems despite the presence of accumulated d...	10/23/2007
7285207	Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater A method and apparatus for treating wastewater streams by adding, either separately or as a mixture, a nitrate containing compound and an alkaline material in an amount sufficient to achieve a lower concentration of atmospheric hydrogen sulfide and dissolved sulfide...	10/23/2007
7276366	Biological scrubber odor control system and method A system and method for the purification and biodeodorizing of a gas are disclosed. The system is highly adaptable and capable of operating in a variety of modes to tailor performance of the system to specific odor control applications. The scrubber stages of the sy...	10/02/2007
7264709	Method and apparatus for conditioning a sensor for measuring oxidation reduction potential A method and apparatus for conditioning a sensor to measure an oxidation reduction potential of an aqueous solution such that the time to obtain a reliable oxidation reduction potential measurement is substantially reduced. Such conditioning is often necessary when ...	09/04/2007
7243912	Aeration diffuser membrane slitting pattern A diffuser assembly for diffusing a fluid from a fluid source into a medium to aerate the medium. The diffuser assembly including a diffuser body in fluid communication with the fluid source and a membrane connected to the diffuser body. The membrane is circular and...	07/17/2007
7241430	Activated carbon for odor control and method for making same An activated carbon-metal oxide matrix is disclosed. The activated carbon-metal oxide matrix may be obtained by a method including the steps of: preoxidizing a carbon material, grinding the preoxidized carbon material; mixing the ground preoxidized material with a m...	07/10/2007
7186341	Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater A method and apparatus for treating wastewater streams by adding, either separately or as a mixture, a nitrate containing compound and an alkaline material in an amount sufficient to achieve a lower concentration of atmospheric hydrogen sulfide and dissolved sulfide...	03/06/2007

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Assignee: Siemens Water Technologies Holding Corp.