| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 12/26/2007 | CN101092703A Method for producing electrolyte by using saponated waste liquor containing sodium chloride as raw material |
| 12/26/2007 | CN101092478A Method for preparing alkyl polyethenoxy ether acrylic ester, or alkyl polyethenoxy ether methyl acrylic ester |
| 12/26/2007 | CN101092274A Method for treating wastewater of containing cyanogens by using microbe |
| 12/26/2007 | CN101092273A Method and system for treating waste water from aqueous printing ink, starch and household wastewater |
| 12/26/2007 | CN101092272A Method for treating wastewater from production of vanadium oxide |
| 12/26/2007 | CN101092266A Method for treating wastewater of dilute thiamine containing acrylonitrile |
| 12/26/2007 | CN101092265A Method for treating wastewater of dilute thiamine |
| 12/26/2007 | CN101092264A Gas stripping type internal circulation device, and method for recovering nitrogen, phosphor from MAP crystal |
| 12/26/2007 | CN101092263A Technique for reproducting fumaric acid by using circulation of waste liquor from chemical plant |
| 12/26/2007 | CN101092262A Preparation method of treating wastewater from middle stage of straw pulp papermaking |
| 12/26/2007 | CN101092261A Technical flow for treating water |
| 12/26/2007 | CN101092260A Sterilization method of active electrons |
| 12/26/2007 | CN101092259A 膜过滤系统 Membrane filtration system |
| 12/26/2007 | CN101092258A Method for processing high temperature condensed water by integration technique of membrane |
| 12/26/2007 | CN101092257A Method and device of desalination process by reverse osmosis for water |
| 12/26/2007 | CN101092256A Electromagnetic sound adjusted and controlled clarifier for quick treating wastewater |
| 12/26/2007 | CN101092255A Technical method of applying filter material of ceramics granules to treating wastewater from iron and steel industry |
| 12/26/2007 | CN101092254A Method for enriching aromatic compounds in wastewater |
| 12/26/2007 | CN101092253A Rotable valve unit for water treatment device |
| 12/26/2007 | CN101092252A New type equipment and method for sea water desalination |
| 12/26/2007 | CN101092251A Device for cleansing and recycling water of washing dishware and vegetable |
| 12/26/2007 | CN101091922A Method for coating copper oxide by Nafion, and removing material in chlorobenzene categories by catalyzing |
| 12/26/2007 | CN101091905A Preparing multistage adsorbent for difficult degradative organic wastewater in high concentration, and method of use |
| 12/26/2007 | CN101091903A High performance agent for removing fluorin, preparation method, and application |
| 12/26/2007 | CN101091874A Method for flue gas desulfurization by using dyeing wastewater, and absorption tower |
| 12/26/2007 | CN101091801A Self-cleaning ultraviolet desinfection unit |
| 12/26/2007 | CN101091619A Waterer in concept of health water |
| 12/26/2007 | CN100357677C Cold district sewage cold-hot source sewage accompaning-heat treating device |
| 12/26/2007 | CN100357404C Method of cleaning industrial gases |
| 12/26/2007 | CN100357202C Liquid flow type capacitance pretreatment method for sea water desalination |
| 12/26/2007 | CN100357201C Artificial leather effluent treating process |
| 12/26/2007 | CN100357193C Deep technique for treating charking wastewater |
| 12/26/2007 | CN100357192C Deferrization method of iron-containing liquor |
| 12/26/2007 | CN100357191C Water decolouration technology in paper making |
| 12/26/2007 | CN100357190C Binary sterilizing machine |
| 12/26/2007 | CN100357189C Water treatment method and water treatment equipment |
| 12/26/2007 | CN100357012C Method of removing tacky substance or waste liquid containing tacky substance |
| 12/25/2007 | US7311847 System and method for point-of-use filtration and purification of fluids used in substrate processing |
| 12/25/2007 | US7311843 Bio degradation of oxyanions such as perchlorate on ion exchange resins |
| 12/25/2007 | US7311842 dissociating cations from their counterions by acidification, then pelletization of lignocellulose, adsorbing the cations and incubating the lignocellulose with alkaline fixing agent that catalyzes the exchange of hydrogens of the hydroxyl groups to lignocellulose adsorbing medium having positive charges |
| 12/25/2007 | US7311841 A ballast constituted of a fine granular material and of high density such as micro-sand, injected into or upstream from the flocculation zone, to increase the formation rate of the flocs by acting as an initiator of flocculation and to increase via density growth the rate of decantation of the flocs |
| 12/25/2007 | US7311840 Inorganic ion exchangers for removing contaminant metal ions from liquid streams |
| 12/25/2007 | US7311839 Removal of biological pathogens using surfactant-modified zeolite |
| 12/25/2007 | US7311834 Apparatus for the treatment of particulate biodegradable organic waste |
| 12/25/2007 | US7311829 Water conversion device |
| 12/25/2007 | US7311817 System and method for sanitizing and refilling a potable water system onboard a transport vehicle |
| 12/25/2007 | US7311799 Hydrofluoric acid wastewater treatment method and device |
| 12/25/2007 | US7311752 Electrostatic air filter |
| 12/25/2007 | US7311689 Method and apparatus for peripheral vein fluid removal in heart failure |
| 12/21/2007 | WO2007147013A1 Combined membrane-distillation-forward-osmosis systems and methods of use |
| 12/21/2007 | WO2007146403A1 Portable in-situ ozone-generating remedial system |
| 12/21/2007 | WO2007146380A1 Portable in-situ oxygenation and hydrogenation remedial system |
| 12/21/2007 | WO2007145947A2 High back pressure filter for removing non-water component(s) from water, and methodology |
| 12/21/2007 | WO2007145946A1 Low back pressure water filter, and methodology |
| 12/21/2007 | WO2007145944A1 Water filter apparatus and methodology |
| 12/21/2007 | WO2007145786A1 Method and system for providing potable water |
| 12/21/2007 | WO2007145785A1 Method and system for irrigation |
| 12/21/2007 | WO2007145740A2 Hydrate-based desalination using compound permeable restraint panels and vaporization-based cooling |
| 12/21/2007 | WO2007145462A1 Apparatus for mixing ozonic water |
| 12/21/2007 | WO2007145280A1 Liquid treating apparatus, air-conditioning apparatus, and humidifier |
| 12/21/2007 | WO2007144544A1 Method, device and installation for decontaminating a heat-transfer fluid. |
| 12/21/2007 | WO2007144491A2 Mobile unit for the treatment of raw water |
| 12/21/2007 | WO2007144343A1 Process for separating a liquid feed mixture by dynamic cross-flow filtration |
| 12/21/2007 | WO2007144256A1 A biocide cartridge |
| 12/21/2007 | WO2007144252A1 Method for reducing impurities in a water system during the production of flat structures |
| 12/21/2007 | WO2007144160A1 A filter device for filtering liquid from a source |
| 12/21/2007 | WO2007144055A1 Device for electrochemical water preparation |
| 12/21/2007 | WO2007143872A1 Water filter cartridge for a water tank |
| 12/21/2007 | WO2007108008A3 Fgepsc (flared, gas exhaust, pneumatic, saturation and condensation) process and system |
| 12/21/2007 | WO2007089884A3 Optimized sample injection structures in microfluidic separations |
| 12/21/2007 | CA2658252A1 A filter device for filtering liquid from a source |
| 12/21/2007 | CA2655437A1 Device for the electrochemical purification of water |
| 12/21/2007 | CA2655050A1 Method and system for irrigation |
| 12/21/2007 | CA2654508A1 Multi stage column distillation (mscd) method for osmotic solute recovery |
| 12/21/2007 | CA2592707A1 Membrane filtration system |
| 12/20/2007 | US20070292744 Precious Metal Oxide Catalyst for Water Electrolysis |
| 12/20/2007 | US20070290381 Fluid Sparger and Dissipater |
| 12/20/2007 | US20070290177 use in catalyst deposition on solid support, as cleaning agent, in metered dose inhalers for drug delivery, as aerosol or fragrance, in fire extinguishing; e.g. 1,3,3,3-tetrafluoropropene (HFO-1234ze) |
| 12/20/2007 | US20070289927 Filtration and filtration method for cooking oil used in frying process |
| 12/20/2007 | US20070289926 Method and Device for Treating Contaminated Water |
| 12/20/2007 | US20070289925 A chemical precursor with a contact surface of a conductive carbon substrate to form a monolayer of parallel molecular unit attached to the substrate through a conjugated bond; the contact surface having a roughness value less than or equal to the average length of the molecular units |
| 12/20/2007 | US20070289923 Treating formaldehyde-containing waste liquid formed as byproduct in plant for production of hydrocarbons or oxygen-containing compounds by subjecting formaldehyde liquid to chemical treatment and treating resulting waste liquid, with aeration, using bioreactor composed of microorganism and membrane |
| 12/20/2007 | US20070289912 Circular clarifier apparatus and method |
| 12/20/2007 | US20070289911 Relocatable countercurrent decantation system |
| 12/20/2007 | US20070289910 Method and system for removal of contaminants from aqueous solution |
| 12/20/2007 | US20070289909 Method of reducing volume of sludge and apparatus therefor |
| 12/20/2007 | US20070289908 Upflow Filtration and Method Apparatus for Stormwater Treatment |
| 12/20/2007 | US20070289905 System for managing solution for cleaning fermentation tanks |
| 12/20/2007 | DE202007011408U1 Teichanlage Pond |
| 12/20/2007 | DE202007011077U1 Vorrichtung zum Auflösen einer Substanz in einer Flüssigkeit An apparatus for dissolving a substance in a liquid |
| 12/20/2007 | DE102006028172A1 Elimination of arsenic from water by contacting with ferrous hydroxide, comprises contacting with oxygen and then contacting with ferrous ion in oxygen-free solution |
| 12/20/2007 | DE102006028168A1 Vorrichtung zur elektrochemischen Wasseraufbereitung Apparatus for electrochemical water treatment |
| 12/20/2007 | DE102006028083A1 Improvement of surface near ground water quality in mining influenced regions using a device, by inserting horizontal openings/pipelines into the ground areas and injecting ingredient suspensions into the area via the openings/pipelines |
| 12/19/2007 | EP1867607A1 Process and kit for formation of active hydrogen water, gypsum feeder for the formation, active hydrogen forming materials and process for the production of the materials |
| 12/19/2007 | EP1867606A1 Water filter cartridge for a water tank |
| 12/19/2007 | EP1867384A1 Electrolytic eluent generator and method of use |
| 12/19/2007 | EP1867315A1 Device for treating water with a magnetic field |
| 12/19/2007 | EP1866255A2 Method and system for utilizing activated sludge in a ballasted flocculation process to remove bod and suspended solids |
| 12/19/2007 | EP1866254A1 Method and apparatus for the photocatalytic treatment of fluids |
| 12/19/2007 | EP1866253A1 Electrochemical method for preparing microbiocidal solutions |