| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 01/01/2008 | US7314547 Fountain solution recycling system for commercial printers |
| 01/01/2008 | US7314441 Method for separating particulate matter from a fluid stream |
| 12/27/2007 | WO2007148367A2 Mobile system for potabilisation via osmosis |
| 12/27/2007 | WO2007077575B1 A waste water treatment plant |
| 12/27/2007 | US20070295669 Method of Treating Strongly Acid Wastewater Containing Harmful Substance |
| 12/27/2007 | US20070295667 Water filter apparatus and methodology |
| 12/27/2007 | US20070295666 Ammonium removal system including an electrophysical separation system |
| 12/27/2007 | US20070295657 Water-circulating sterilizer |
| 12/27/2007 | DE202007009705U1 Anlage zur Aufbereitung von desinfiziertem Wasser Plant for the treatment of disinfected water |
| 12/27/2007 | DE202007007790U1 Vorrichtung zur Wasserbehandlung The water treatment apparatus |
| 12/26/2007 | EP1870149A1 Apparatus for water filtration/purification and method thereof |
| 12/26/2007 | CN200995984Y Efficient multistage cryogenic air-electric seawater desalination plant |
| 12/26/2007 | CN200995983Y Efficient automatic water purifier |
| 12/26/2007 | CN200995982Y Graded water supplier |
| 12/26/2007 | CN101094812A Wastewater treatment plant |
| 12/26/2007 | CN101092824A Water saving apparatus of using secondary water for household |
| 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 | CN100357202C Liquid flow type capacitance pretreatment method for sea water desalination |
| 12/26/2007 | CN100357201C Artificial leather effluent treating process |
| 12/26/2007 | CN100357189C Water treatment method and water treatment equipment |
| 12/25/2007 | US7311847 System and method for point-of-use filtration and purification of fluids used in substrate processing |
| 12/25/2007 | US7311834 Apparatus for the treatment of particulate biodegradable organic waste |
| 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 |
| 12/21/2007 | WO2007144491A2 Mobile unit for the treatment of raw water |
| 12/21/2007 | WO2006088797A3 Portable water purifier |
| 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 | DE202007011408U1 Teichanlage Pond |
| 12/19/2007 | CN200992741Y Toilet articles comprehensive treating device |
| 12/19/2007 | CN200992515Y Rare earth multifunctional water generator |
| 12/19/2007 | CN200992514Y Waste water treating and concurrently classified collecting device for chemical laboratory |
| 12/19/2007 | CN200992513Y Condensate polishing separation bed device |
| 12/19/2007 | CN200992512Y Pumpless high flow-pure water machine |
| 12/19/2007 | CN200991180Y Nano-grade water-bathing type body-building apparatus |
| 12/19/2007 | CN101089224A Chemical coppering circulation process technology |
| 12/19/2007 | CN101088941A Technological process of treating papermaking effluent for reuse based on membrane integrating technique |
| 12/19/2007 | CN101088940A External membrane process domestic sewage treating apparatus for ship |
| 12/19/2007 | CN101088939A Process of treating acetic acid producing effluent and papermaking waste water comprehensively |
| 12/19/2007 | CN101088938A Process of treating heavy metal containing sewage |
| 12/19/2007 | CN101088937A Process of treating ternary combination flooding sewage |
| 12/19/2007 | CN101088936A Process and apparatus for treating waste water containing metal complex |
| 12/19/2007 | CN101088935A RE waste water treating complete circulation process |
| 12/19/2007 | CN101088934A Process of treating glyphosate producing effluent |
| 12/19/2007 | CN100355678C Method and facility for treatment of sludge derived from biological water purification facilities |
| 12/19/2007 | CN100355674C Waste activated sludge anaerobic contact waste stream treatment process |
| 12/19/2007 | CN100355667C Pure water production system |
| 12/13/2007 | WO2007142068A1 Purification apparatus for ship ballast water |
| 12/13/2007 | US20070287241 Fabrication method of semiconductor integrated circuit device |
| 12/13/2007 | US20070284304 Liquid Medium Treatment Method and Device |
| 12/13/2007 | DE102006027459A1 Water treatment plant for purifying contaminated liquid by means of filter element, comprises pressurized container with an inlet for the contaminated liquid, a centrifuge with an inlet and outlet for the raw water, and ultrasonic device |
| 12/12/2007 | EP1337478B1 Process and apparatus for treating wastewater |
| 12/12/2007 | CN200988817Y Leaching solution treating system for garbage incineration factory |
| 12/12/2007 | CN200988816Y Garbage percolating liquid treating system based on film biological reactor-filter film technology |
| 12/12/2007 | CN200988815Y Field single solder water purifying system |
| 12/12/2007 | CN200988814Y Detachable moving type waste water treating machine |
| 12/12/2007 | CN200988813Y Pressure bearing central water purifier |
| 12/12/2007 | CN200988812Y Integrated water purifier |
| 12/12/2007 | CN200988811Y Waste water treating device |
| 12/12/2007 | CN101085695A Method for treating waste water |
| 12/12/2007 | CN101085694A Electrolysis catalysis cleavage sewage treatment device |
| 12/12/2007 | CN100354023C Removable closure assembly for a water treatment system |
| 12/11/2007 | US7306731 Manure separation for digester method and apparatus |
| 12/06/2007 | WO2007137523A1 Wastewater treatment system and method |
| 12/06/2007 | US20070278158 Wastewater treatment system and method |
| 12/06/2007 | US20070278150 System and methods for biological selenium removal from water |
| 12/05/2007 | EP1572592A4 A combined electrochemical system for scale treatment and eradicating legionella pneumophila bacteria in water supply systems |
| 12/05/2007 | CN200985531Y Practical domestic waste water reclaiming utilize system device |
| 12/05/2007 | CN200985306Y Alkaline water treatment device |
| 12/05/2007 | CN101081715A Method for treating residual liquid after mother liquor distillation methanol recovery during production of sodium sulphoxylate by sodium formate process |
| 12/05/2007 | CN101081714A Automatic lifting foam discharge horizontal control device |
| 12/05/2007 | CN100353006C Processing method for micro-processing biochemical toilet bowl |
| 12/05/2007 | CN100352777C Waste-water treatment system and treatment for cosmetic production |
| 12/05/2007 | CN100352776C Method and system for treating furfural production waste water and method and system for furfural production |
| 12/05/2007 | CN100352775C Method for treating sewage generated by preparing methyl salicylate and resource recorery by composite technology |
| 12/04/2007 | US7303679 Oil spill recovery method using surface-treated iron powder |
| 12/04/2007 | US7303660 Electrochemical treatment of an aqueous solution |
| 12/02/2007 | CA2549299A1 System and process to purify water in a freshwater fish farm plant with and without water recirculation by means of metallic foam filter |
| 11/29/2007 | US20070272611 aerobic and anaerobic processes, nitrification of ammonia (impurity) to nitrate under the influence of a microorganism in presence of oxygen, denitrification to form N2 through addition of a carbon-containing component |
| 11/29/2007 | US20070272148 Method Of Forming Inorganic Film And Apparatus Therefor |
| 11/29/2007 | DE102005055310B4 Verfahren zur Aufbereitung von Gärresten Process for the treatment of digestate |
| 11/29/2007 | DE10130108B4 Verfahren und Reaktor zum katalytischen Abbau von halogenierten organischen Schadstoffen Method and reactor for the catalytic decomposition of halogenated organic pollutants |
| 11/28/2007 | CN200981841Y Sewage purifying pool |
| 11/28/2007 | CN200981834Y Device for treating fluorine-containing waste water by using limestone |
| 11/28/2007 | CN101077818A Apparatus and method for treating wastewater |
| 11/28/2007 | CN101077817A Method for processing paper-making waste water of regenerative paper |
| 11/28/2007 | CN101077816A Highly effective sterilization metallurgy sewage treatment method |
| 11/28/2007 | CN101077815A Deep treatment method for coking waste water |
| 11/28/2007 | CN101077814A Filtration device based on purified diatomite and fibre filtering element and process flow thereof |
| 11/28/2007 | CN101077813A Method for processing breadboard industrial waste water |
| 11/28/2007 | CN101077497A Sewage water cycling and reutilization type pipeline dredging soil pick-up vehicle |
| 11/27/2007 | US7300636 Method for producing a dialysate solution |
| 11/27/2007 | US7300591 Wastewater treating method and wastewater treating apparatus |
| 11/27/2007 | US7300578 Apparatus for recycling of oil-based drilling fluid contaminated with water and water contaminated with oil based drilling fluid |
| 11/22/2007 | WO2007021518A3 Ammonium/ammonia removal from a stream |
| 11/22/2007 | US20070267354 Method for Controlling Sterile Water Production Device |
| 11/22/2007 | CA2651824A1 Method and apparatus for removing impurities in rejects from sequential filters using separate treatment units |
| 11/21/2007 | EP1855999A2 Treatment of wastewater streams containing surfactants |
| 11/21/2007 | EP1855777A1 Fluid flow interruption means for filter of water purifier |