| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 05/14/1997 | CN1149557A Environment recovery purifier with biological degradation function |
| 05/14/1997 | CN1149556A 水处理系统 Water Treatment System |
| 05/14/1997 | CN1149555A Reusing device for washing waste water |
| 05/14/1997 | CN1149554A 蒸馏水机 Distilled water machine |
| 05/14/1997 | CN1149553A Method for evaporating technological waste water |
| 05/14/1997 | CN1149495A Sterilizing device for medical apparatus and instruments and sterilizing method |
| 05/14/1997 | CN1034861C Process for recovering and use of overflow buck in concentration tank |
| 05/14/1997 | CA2179852A1 Method of removing benzenes from water |
| 05/13/1997 | US5629263 Synergistic antimicrobial compositions containing poly (hexamethylammonium) chloride |
| 05/13/1997 | US5628900 Water purifier having a magnetic field generation device |
| 05/13/1997 | US5628899 Control mechanism for controlling regeneration of two water treatment tanks |
| 05/13/1997 | US5628897 Heated filter chamber with supporting collection chamber |
| 05/13/1997 | US5628895 Closed circuit for treating drinking water with UV treatment and filtering |
| 05/13/1997 | US5628888 Redox system |
| 05/13/1997 | US5628879 Sun actuated automated distillation apparatus |
| 05/09/1997 | WO1997016380A1 Removal of caustic in hemicellulose caustic |
| 05/09/1997 | WO1997016248A1 Heavy metal removal agent containing a sulphur compound |
| 05/09/1997 | EP0782641A4 Ozone assisted laundry wash process |
| 05/07/1997 | EP0771230A1 Gas injection into liquid and removal of undissolved gas |
| 05/07/1997 | EP0771222A1 Electrochemical oxidation of matter |
| 05/07/1997 | EP0742859A4 Oil recovery systems |
| 05/07/1997 | EP0741611A4 Process for soil decontamination by oxidation and vacuum extraction |
| 05/07/1997 | EP0637210B1 Method for treatment of potato fruit water |
| 05/07/1997 | CN1034802C Method for quick prodn. of poly chlorinated ferrous sulfate water purification agent |
| 05/06/1997 | US5627260 Quaternized tertiary aminomethyl acrylamide polymer microemulsions with improved performance |
| 05/06/1997 | US5626769 Ozone water treatment method and apparatus |
| 05/06/1997 | US5626768 Sterilization of opaque liquids with ultraviolet radiation |
| 05/06/1997 | US5626765 Method for adsorbing and separating heavy metal elements by using a tannin adsorbent |
| 05/06/1997 | US5626761 Absorption filters from polymers of alkyl acrylate or alkyl methacrylate with acrylic acid, ammonia and epoxy resin |
| 05/06/1997 | US5626748 Liquid separator |
| 05/06/1997 | US5626746 Filtering device containing chemical encapsulation filter and size discriminating filter |
| 05/06/1997 | US5626745 Waste water purification system |
| 05/06/1997 | US5625915 Laundry ozone injection system |
| 05/06/1997 | CA2045195C Steam stripping process for softening water |
| 05/02/1997 | EP0770581A1 Dewatering of sludges |
| 05/02/1997 | EP0770041A1 Turbulent flow cold-wall reactor |
| 05/02/1997 | EP0770040A1 Wet oxidation system |
| 05/02/1997 | EP0770039A1 Decontamination system with improved components |
| 05/02/1997 | EP0770038A1 Transportable device for preparing drinking water |
| 05/02/1997 | EP0700365A4 Method for recovering metals from solutions |
| 05/02/1997 | EP0570404B1 Agglomerated polymer particles produced from finely divided water-soluble or water-swellable polymerisates |
| 05/01/1997 | WO1997015388A1 Hydrolysis reactor for removal of urea, ammonia and carbon dioxide from a liquid phase comprising urea in aqueous solution |
| 05/01/1997 | WO1997015383A2 Process por very finely distributing a gas in a liquid and a system for applying the method |
| 05/01/1997 | WO1997015356A1 A method of oxidation |
| 05/01/1997 | WO1997015332A1 Improved deactivation of organisms using high-intensity pulsed polychromatic light |
| 05/01/1997 | WO1997006880A3 Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces |
| 05/01/1997 | CA2189175A1 Rapid purifying method using ozonized water of high concentration |
| 05/01/1997 | CA2161864A1 Regeneration of used cleaning solution |
| 04/30/1997 | DE19644457A1 Granulärer Träger zur Behandlung von Schmutzwasser oder Abwasser, Verfahren zu dessen Herstellung und Vorrichtung zur Behandlung von Schmutzwasser oder Abwasser unter Verwendung des granulären Trägers Granular carrier for the treatment of sewage or waste water, process for its production and device for treating sewage or waste water, using the granular support |
| 04/30/1997 | DE19549429A1 Apparatus for catalytic reduction of nitrate and nitrite in water |
| 04/30/1997 | DE19540012A1 Anlage zur Feinstverteilung eines Gases in einer Flüssigkeit, vorzugsweise zur Hydrierung von Flüssigkeiten, sowie Verfahren zum Betreiben der Anlage Plant ultrafine dispersion of a gas in a liquid, preferably for the hydrogenation of liquids, and method of operating the system |
| 04/30/1997 | DE19539838A1 Water treatment process using carbon granules |
| 04/30/1997 | DE19539833A1 Removing tin compounds from aqueous solutions |
| 04/30/1997 | CN2253345Y Flocculation time and space distributing device |
| 04/30/1997 | CN2253344Y Small unattended operation full-automatic oil-containing sewage separator |
| 04/30/1997 | CN2253343Y Sterilizer for tap water |
| 04/30/1997 | CN2253342Y High-efficiency water purifier |
| 04/30/1997 | CN2253246Y Portable pocket water purifier |
| 04/30/1997 | CN2253118Y Purifying water storage preserving box |
| 04/30/1997 | CN2253116Y Multi-functional magnetic sleeve for health food bottle |
| 04/30/1997 | CN1148818A Chemical feeder |
| 04/30/1997 | CN1148571A Method for treating waste industrial water from light industry by using burning boiler |
| 04/30/1997 | CN1148570A Production of magnesium hydroxide and application thereof |
| 04/29/1997 | US5624734 Continuous process and apparatus for generation of ozone for industrial application with cryogenic refrigeration |
| 04/29/1997 | US5624684 Enzyme systems |
| 04/29/1997 | US5624576 Pelletized composition for treatment of storm water runoff |
| 04/29/1997 | US5624575 Method for preventing microbial deposits in the papermaking process with ethylene oxide/propylene oxide copolymers |
| 04/29/1997 | US5624574 Chlorinator-filter process for sewage treatment |
| 04/29/1997 | US5624573 Apparatus for the disinfection of a flowing liquid medium and a plant for the treatment of clarified sewage |
| 04/29/1997 | US5624570 Clarification of wash water with polymer and cationic, nonionic or anionic acrylamide polymer with dimethyl dallyl ammonium chloride |
| 04/29/1997 | US5624569 Recycled paper, using silicon-containing polyelectrolyte polymer coagulant |
| 04/29/1997 | US5624550 Means for generating sludge from ground improvement site, diluting container, means for diluting, means for adding flocculating agent, dehydration means |
| 04/29/1997 | US5624545 Production of polysulphide by electrolysis of white liquor containing sulphide |
| 04/29/1997 | US5624544 Dissolving crystalline clay minerals such as montmorillonite and halloysite for electrolysis with electrodes and ionization |
| 04/29/1997 | US5624535 Production system of electrolyzed water |
| 04/29/1997 | CA2127667C Method for controlling dreissenidae mussels |
| 04/29/1997 | CA2052154C Liquid purification systems and methods |
| 04/29/1997 | CA2014666C Large-pored molecular sieves with charged octahedral titanium and charged tetrahedral aluminum sites |
| 04/24/1997 | WO1997014659A1 Method for pretreating raw water |
| 04/24/1997 | WO1997014658A1 Cyanide containing effluent purification process |
| 04/24/1997 | WO1997014657A1 Advanced oxidation of water using catalytic ozonation |
| 04/24/1997 | WO1997014656A1 Method for treating contaminated water |
| 04/24/1997 | WO1997014655A1 Improved current driver for electronic descaling |
| 04/24/1997 | WO1997014654A1 Corrosion free electronic descaling technology |
| 04/24/1997 | WO1997014653A2 Process and device for recovering purified ionic surfactants from washing solutions, in particular for washing contaminated soil |
| 04/24/1997 | WO1997011908A3 Process and device for treating water contaminated with micro-organisms and/or harmful pollutants |
| 04/24/1997 | DE19538981A1 Arrangement for simultaneous discharge of waste water from settling tank |
| 04/24/1997 | DE19538872A1 Process for treating organic compound |
| 04/24/1997 | DE19538818A1 Dialysis water supply for minimising endotoxins and pyrogens found in dialysis water supplies |
| 04/24/1997 | CA2231193A1 Advanced oxidation of water using catalytic ozonation |
| 04/23/1997 | EP0769477A1 Non-diaphragm apparatus for electrolysis of water |
| 04/23/1997 | EP0769476A1 Electrolytic cell of non-diaphragm for electrolysis of water |
| 04/23/1997 | EP0769475A1 Process and apparatus for deactivation or destruction of microorganisms by an electric charge and vibration |
| 04/23/1997 | EP0769474A2 Double injector |
| 04/23/1997 | EP0769473A1 Method for producing basic polyaluminium chloride and its use for the treatment of aqueous media |
| 04/23/1997 | EP0769087A1 Cassette device |
| 04/23/1997 | EP0768987A1 Water treatment |
| 04/23/1997 | EP0706499B1 Method of reducing the concentration of finely dispersed solids in process solutions in paper manufacturing |
| 04/23/1997 | EP0685020A4 Method and system for remediation of groundwater contamination. |
| 04/23/1997 | EP0683837A4 Method and system for remediation of groundwater contamination. |