| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 04/11/2007 | CN1944292A Treating method of brackish water for use as industrial circulation cooling water |
| 04/11/2007 | CN1944291A Method for teating heavy alkali filter liquid in synthesizing alkali producing method |
| 04/11/2007 | CN1944290A Process for treating waste water from electrolytic metal manganese production |
| 04/11/2007 | CN1944289A Pre-treating process for sewage from thick oil refining |
| 04/11/2007 | CN1309667C Waste mud recovering method for metal surface phosphorizing treating process |
| 04/11/2007 | CN1309663C Process for working up secondary components in the preparation of dinitrotoluene |
| 04/11/2007 | CN1309446C Faucet water treatment |
| 04/10/2007 | US7201856 Cationic polymer and multivalent inorganic salt coagulants, chlorine based disinfectant, oxidant system providing catalytic conversion of soluble divalent manganese to manganese dioxide, bridging flocculant, alkali, water insoluble silicate and nutrients; storage stability; kits |
| 04/05/2007 | WO2007036500A1 Method for treating aldolisation process waste waters |
| 04/05/2007 | WO2007035981A1 Contaminated water treatment process |
| 04/05/2007 | US20070075006 Apparatus for supplying drinking water |
| 04/05/2007 | DE20221714U1 Haushaltswasserreinigungsvorrichtung auf Nanofiltrationsmembranbasis ohne Speicherbehälter Household water purification device on nanofiltration membrane base without storage tank |
| 04/04/2007 | EP1770069A1 Water purifier |
| 04/04/2007 | EP1768932A1 Water purifier |
| 04/04/2007 | CN1939848A Treatment of waste emulsion |
| 04/03/2007 | US7198713 Installation for the removal and the deactivation of organisms in the ballast water |
| 04/03/2007 | US7198156 Dam basket for vibratory separators |
| 03/29/2007 | WO2006121348A3 Improvements to water treatment processes |
| 03/29/2007 | DE102005044372A1 Device for rinsing off reaction products, dead microorganisms and bio-film fragments, comprises water circulation pipe system with circulating pump, reflux preventer, water heater, drinking water heating system and switch valve |
| 03/28/2007 | EP1766753A2 Vehicle interface |
| 03/28/2007 | EP1766144A2 Wastewater treatment |
| 03/28/2007 | EP1765734A1 Device and method for the treatment of water |
| 03/28/2007 | EP1765482A1 One-touch fitting type single or multiple adapter, filter assembly detachably engaged with the same and water purifying system employing these elements |
| 03/28/2007 | CN2883359Y Deinking waste water treatment unit |
| 03/28/2007 | CN1935707A Small-sized sewage treating system |
| 03/28/2007 | CN1935706A Brewex's grains waste water treating process |
| 03/28/2007 | CN1935705A Method for removing impurities suchas magnesium and recovering sulfuricacid and zinc from zinc electrolytic waste solution |
| 03/28/2007 | CN1935704A Method for treating condensation waste water for producing imidacloprid and resourcized recovering its imidazolidine |
| 03/28/2007 | CN1935703A Color fiber alkali decremental waste water treating and recovering process |
| 03/22/2007 | WO2007032104A1 Water disposal apparatus and method of water disposal |
| 03/21/2007 | EP1764166A1 Apparatus and process for recovering and washing waste materials of various kinds for obtaining ground insulating materials |
| 03/21/2007 | CN1931751A Combined process of treating azo dye effluent with high salinity |
| 03/21/2007 | CN1931750A Petrochemical effluent treating and reusing process |
| 03/21/2007 | CN1931749A Paper-making effluent purifying treatment process |
| 03/21/2007 | CN1931748A Integral sewage treating combined apparatus |
| 03/21/2007 | CN1931747A Dispersed spot source sewage treating and grading reusing system and its operation process |
| 03/21/2007 | CN1931746A Industrial effluent reusing zero-drainage process |
| 03/21/2007 | CN1305787C A method for comprehensive treatment of wastewater |
| 03/21/2007 | CN1305775C Local used type water treatment system for treatment of water |
| 03/20/2007 | US7192517 Coal-bed-methane water treatment system |
| 03/15/2007 | US20070056907 Intake for water desalination systems, and methods of use |
| 03/15/2007 | DE102005043435A1 Water purification method comprises treating turbid water from magnetic separation and/or ultrafiltration device and/or multi-layer filtering unit by corrugated plate separator or further ultrafiltration device to obtain purified water |
| 03/14/2007 | EP1761464A1 Purification device |
| 03/14/2007 | EP1682240A4 Zero waste reverse osmosis water filtering |
| 03/14/2007 | EP1567259A4 Apparatus and method for photocatalytic purification and disinfection of fluids |
| 03/14/2007 | CN2878372Y Biological wall sewage deep-processing system |
| 03/14/2007 | CN2878371Y Integral cycle softening utilizing device for vehicle washing water |
| 03/14/2007 | CN1930091A Dewatering process |
| 03/14/2007 | CN1930089A Method for clarification of sludge |
| 03/14/2007 | CN1927746A Pressure type integrated biological treatment apparatus for sewage |
| 03/14/2007 | CN1927745A Process for treating waste water of refined terephthalic acid |
| 03/14/2007 | CN1927744A Coking waste water treatment method of tetravalence manganese compound oxidation, chemical precipitation and biochemical combination |
| 03/14/2007 | CN1927743A Method for processing kettle-liquid of acrylonitrile quench tower lower portion |
| 03/14/2007 | CN1927742A Treatment method of soybean whey waste-water and product thereof |
| 03/14/2007 | CN1304308C Chemistry strengthened biological fluidizing recombination reactor |
| 03/14/2007 | CN1304307C Dyeing waste-water decolorizing degradation and recovery method |
| 03/14/2007 | CN1304084C Swivelling filter head assembly |
| 03/08/2007 | WO2007027406A1 Acid mine water demineralization methods |
| 03/07/2007 | EP1758668A1 Through filter with contamination indicator |
| 03/07/2007 | EP1501761B1 Water filter assembly |
| 03/07/2007 | EP0630267B1 Treatment of liquid on demand |
| 03/07/2007 | CN1926068A Acidic water producing device, acidic water producing method, and acidic water |
| 03/07/2007 | CN1924162A Scrubbing apparatus without washing powder and capable of circulation using water |
| 03/07/2007 | CN1923729A Method and system for treating furfural production waste water and method and system for furfural production |
| 03/07/2007 | CN1303017C Comprehensive treating method and treating system for industrial aquatic cultivation sewage |
| 03/07/2007 | CN1303016C Deep treating method of sewage, such as percolate for urban refuse filling area |
| 03/07/2007 | CN1303002C Fluid treatment system |
| 03/07/2007 | CN1302831C System comprising fluid treatment module and a support structure |
| 03/07/2007 | CN1302711C Functional water with deodorization activity and sterilization activity against multi-drug resistent bacteria, and a preparation method thereof |
| 03/06/2007 | US7186334 Combined chlorine and ozone generator sterilization system |
| 03/06/2007 | US7186323 Purified water without residual chlorine is electrolyzed to produce alkaline-ion water without any chloride smell of lime; purified water and tap water containing residual chlorine is electrolyzed to produce alkaline-ion water containing a low concentration of NaOCl; preventing propagation of microbes |
| 03/01/2007 | WO2007024515A1 Silicon surface preparation |
| 03/01/2007 | WO2007022899A1 Waste water purifying device |
| 02/28/2007 | EP1757562A1 Device and process for treating residues of biogas production, manure and sludge |
| 02/28/2007 | EP1756010A1 Pure water treatment method |
| 02/28/2007 | EP1490303A4 Waste water treatment process for animal processing contaminant removal |
| 02/28/2007 | CN2873766Y Circulation reusing and treating device for washing car waste water |
| 02/28/2007 | CN1922700A Inductive coil assembly |
| 02/28/2007 | CN1919756A Processing method of collecting and displacing oil-field sewage and detritus sewage |
| 02/28/2007 | CN1919755A Method of processing organic contaminant waste-water difficult to biochemical degradation using tetravalent manganese compounds |
| 02/28/2007 | CN1919754A Method for circulation utilizing coating waste-water |
| 02/28/2007 | CN1919753A Treatment reuse technique for paper-making white-water |
| 02/28/2007 | CN1301923C Method and device for treating hydrophilic sludge by hydraulic turbulence effect combined with oxidation and chemical reactions by additive input |
| 02/28/2007 | CN1301922C Treating process for cow dung waste liquid |
| 02/28/2007 | CN1301921C Method of purifying fischer-tropsch derived water |
| 02/28/2007 | CN1301920C Method for treating dyeing and finishingw aste water using diatomaceous earth and active carbon and its special equipment |
| 02/27/2007 | US7182858 Multiple barrier filter apparatus |
| 02/22/2007 | WO2007019617A1 Biological phosphorous removal |
| 02/22/2007 | US20070039865 Apparatus, system, and method for multistage water separation |
| 02/22/2007 | US20070039861 Filtering device |
| 02/22/2007 | US20070039345 Portable, potable water recovery and dispensing apparatus |
| 02/22/2007 | CA2618956A1 Ammonium/ammonia removal from a stream |
| 02/21/2007 | EP1628913B1 A process for recovering phosphorus from phosphorus production sludge |
| 02/21/2007 | CN1918076A Wastewater treatment apparatus |
| 02/21/2007 | CN1916273A Technique of zero discharge from closed circuit of white water for producing non-deinking regenerated paper |
| 02/21/2007 | CN1916018A Method for producing mucus protein of sweet potato from wastewater of sweet potato f |
| 02/21/2007 | CN1915867A Treatment method for recovering inverted discharged pressing crack liquid |
| 02/20/2007 | US7180248 Inductively coupled ballast circuit |
| 02/20/2007 | US7179376 Method and system for removing residual water from excess washcoat by ultrafiltration |
| 02/20/2007 | US7179375 Diffuser/emulsifier for aquaculture applications |