| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 11/25/2009 | CN101585646A Artificial wetland treatment system for high-concentration sewage |
| 11/25/2009 | CN101585645A High-efficiency pre-aeration aerobic biological film sewage treatment device |
| 11/25/2009 | CN101585644A High-efficiency pre-aeration rotational flow type active sludge aerobic biochemical sewage treatment unit |
| 11/25/2009 | CN101585643A High-efficiency pre-aeration aerobic biochemical sewage treatment system |
| 11/25/2009 | CN101585642A Sewage treatment system for artificial wetland primarily |
| 11/25/2009 | CN101585641A Artificial wetland high-efficiency pre-aeration sewage treatment system |
| 11/25/2009 | CN101585640A Artificial wetland sewage treatment system adopting aerobic biological film method pretreatment |
| 11/25/2009 | CN101585639A Artificial wetland sewage treatment system adopting rotational flow active sludge method pretreatment |
| 11/25/2009 | CN101585638A High-efficiency aerobic biochemical treatment and artificial wetland sewage treatment system |
| 11/25/2009 | CN101585637A High-concentration sewage treatment system for artificial wetland primarily |
| 11/25/2009 | CN101585636A Method and system for semi-closely processing high-concentration medical sewage suitable for recycling reclaimed water |
| 11/25/2009 | CN101585635A Method and system for semi-closely processing medical sewage |
| 11/25/2009 | CN101585634A Processing method and processing system preventing biological pollution for medical sewage suitable for recycling reclaimed water |
| 11/25/2009 | CN101585633A Medical sewage biological safe processing system |
| 11/25/2009 | CN101585632A System for processing medical waste water by up-flow type biomembrane method |
| 11/25/2009 | CN101585631A High-purification pollution-prevention medical waste water safe processing method and safe processing system |
| 11/25/2009 | CN101585630A Medical sewage safe processing system adopting biomembrane method |
| 11/25/2009 | CN101585629A Biological filter pond processing system for high-concentration medical waste water |
| 11/25/2009 | CN101585628A Biological filter tower processing system for high-concentration medical waste water suitable for recycling reclaimed water |
| 11/25/2009 | CN101585627A Hydrolytic oxidization processing system for high-concentration medical waste water |
| 11/25/2009 | CN101585626A Up-flow type biomembrane processing system for medical sewage suitable for recycling reclaimed water |
| 11/25/2009 | CN101585625A System for safely processing medical sewage adopting biomembrane method |
| 11/25/2009 | CN101585624A Biological safe medical sewage treatment system suitable for reusing reclaimed water |
| 11/25/2009 | CN101585623A High-concentration medical sewage hydrolyzing and oxidizing treatment system suitable for reusing reclaimed water |
| 11/25/2009 | CN101585622A Method and system for safely treating medical wastewater and capable of preventing microbial contamination |
| 11/25/2009 | CN101585621A High-efficiency semi-closed method and high-efficiency semi-closed system for treating high-concentration medical sewage |
| 11/25/2009 | CN101585620A Method for comprehensively treating high salt content organic industrial wastewater |
| 11/25/2009 | CN101585619A Method for processing organic wastewater for manufacturing circuit board using short distance distillation |
| 11/25/2009 | CN101585618A Alkali recovery device of jean mercerizing process weak alkali liquor |
| 11/25/2009 | CN101585617A Process for treating chemical fiber cotton pulp black liquor |
| 11/25/2009 | CN101585616A Aeration type instant purifying mode hollow fiber water purifier |
| 11/25/2009 | CN101585615A Calcium saponification art for ammonium chloride wastewater |
| 11/25/2009 | CN101585614A Method of removing and purifying microcystin in drinking water |
| 11/25/2009 | CN101585613A Medicament preparation process flow for purifying and treating wastewater from xylose production and use method thereof |
| 11/25/2009 | CN101585612A Method for preparing and using medicament for purifying and treating percolate waste water from household garbage field |
| 11/25/2009 | CN101585611A Industrial wastewater and municipal wastewater treatment method |
| 11/25/2009 | CN101585610A Water treatment method and water treatment system for recycling medicine |
| 11/25/2009 | CN101585609A Regenerating and recycling method for treating sewage by a three-stage materialization method |
| 11/25/2009 | CN101585548A Method for preparing inorganic sylvine crystal and feed additive by using molasses fermented waste liquid |
| 11/25/2009 | CN101584987A Preparation of magnetic photocatalyst for absorption and photocatalytic degradation of dye waste water |
| 11/25/2009 | CN100562500C Drinking water deeply purifying method and device |
| 11/25/2009 | CN100562499C Method for reclaiming and using industrial waste water generated by liquid crystal display panel glass production |
| 11/19/2009 | WO2009140640A2 Water treatment system and method of using same |
| 11/19/2009 | WO2009138530A1 Revaluation of aqueous waste streams generated in the propylene oxide and styrene co-production process |
| 11/19/2009 | WO2009138476A1 Apparatus for treating wastewater, particularly wastewater originating from a process for the production of photovoltaic cells |
| 11/19/2009 | WO2009137867A1 Apparatus and method for mechanical deaeration |
| 11/19/2009 | US20090283478 Method and system for a regenerative particle trap structure loaded and unloaded with active materials by way of a flow stream |
| 11/19/2009 | US20090283471 Apparatus and Method for Treating Organic-Containing Wastewater |
| 11/19/2009 | US20090283460 Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs |
| 11/19/2009 | US20090283409 Under-sink Apparatus for Target Pharmaceutical Compound Treatment |
| 11/19/2009 | DE102008023263A1 Chemische Wasser-/Dampfkreislaufkonditionierung Chemical water / steam cycle conditioning |
| 11/19/2009 | CA2724261A1 Apparatus for treating wastewater, particularly wastewater originating from a process for the production of photovoltaic cells |
| 11/19/2009 | CA2724171A1 Apparatus and method for mechanical deaeration |
| 11/18/2009 | EP2119677A1 A water filter device for domestic use |
| 11/18/2009 | EP2119675A1 Method for the treatment with reverse osmosis membrane |
| 11/18/2009 | EP2118338A1 Process for obtaining desalted water from zirconium-containing wash water |
| 11/18/2009 | CN201348803Y Coin-inserting and card-swiping cold and hot environment-friendly automatic water selling machine |
| 11/18/2009 | CN201347565Y Building automatic-circulation water-saving system |
| 11/18/2009 | CN201347397Y Cold rolling, silicon iron diluted alkaline advanced waste treatment apparatus |
| 11/18/2009 | CN201347396Y Novel fully-automatic reclaimed water recycling machine |
| 11/18/2009 | CN201347395Y Water purification device |
| 11/18/2009 | CN201347394Y Preprocessing apparatus of cold-rolled silicon steel chromium-free coating layer waste liquid |
| 11/18/2009 | CN201347393Y Preprocessing apparatus of silicon iron hydrochloric acid waste water |
| 11/18/2009 | CN201347392Y Integral water purifier for muddy water circulation accelerated reaction |
| 11/18/2009 | CN201347391Y Direct-drinking water canteen provided with residual organic matter-removing structure |
| 11/18/2009 | CN201347390Y Field direct-drinking water canteen with comprehensive filter structure provided with sintered carbon layers |
| 11/18/2009 | CN201347389Y Portable field direct-drinking water canteen provided with electronic water quantity meter |
| 11/18/2009 | CN201347388Y Portable potable water purifier |
| 11/18/2009 | CN201347387Y Straw-type portable potable water purifier |
| 11/18/2009 | CN201347386Y Pure water system |
| 11/18/2009 | CN201347385Y Pond for treating dyeing effluents |
| 11/18/2009 | CN201347384Y Concentrated-water recycling device |
| 11/18/2009 | CN201347383Y Integrated coal water purifier with high efficiency |
| 11/18/2009 | CN201347382Y Combined modularized water plant |
| 11/18/2009 | CN201347381Y Novel energy water purifier |
| 11/18/2009 | CN101583246A Printed circuit board cleaning machine |
| 11/18/2009 | CN101580333A Domestic sewage disposal device and treatment method thereof |
| 11/18/2009 | CN101580332A Tubificidae-microorganism symbiotic system muddy water degradation batch reactor and application thereof |
| 11/18/2009 | CN101580331A Tubificidae-microorganism symbiotic system muddy water degradation continuous flow reactor and application thereof |
| 11/18/2009 | CN101580330A Coking waste water processing method and processing equipment |
| 11/18/2009 | CN101580329A Device for anaerobic removal of organic matters in municipal sewage and denitrification of autotrophic organism and method |
| 11/18/2009 | CN101580328A Method and device for treating micro-polluted surface water |
| 11/18/2009 | CN101580327A Sewage treatment process and device thereof |
| 11/18/2009 | CN101580326A Multistage tower type method for treating sewage |
| 11/18/2009 | CN101580325A Method for treating garbage leachate |
| 11/18/2009 | CN101580324A Method applied to new village sewage treatment |
| 11/18/2009 | CN101580323A Treatment method of cellulose ethanol production wastewater |
| 11/18/2009 | CN101580322A Sewage processing method and sewage processing device |
| 11/18/2009 | CN101580321A Method for separating Na2OC in circulating mother liquor |
| 11/18/2009 | CN101580320A Method for operating a supercritical water treatment system of waste organic substances |
| 11/18/2009 | CN101580319A Processing method for waster water generated in the process of synthesizing vanilline by glyoxylate method |
| 11/18/2009 | CN101580318A Beneficiation wastewater treatment method circularly used for ceramic filter |
| 11/18/2009 | CN101580317A Nickel-containing wastewater treatment technology |
| 11/18/2009 | CN101580316A Method for recovering and treating urine of astronaut |
| 11/18/2009 | CN101580315A Water purifying equipment |
| 11/18/2009 | CN101580314A Method for removing algae by flotation and sedimentation solid-liquid separation |
| 11/18/2009 | CN101580309A Method of treating wastewater containing organic compound |
| 11/18/2009 | CN101579689A Complete system of recycling treatment of city household garbage and a method thereof |
| 11/18/2009 | CN100560600C Method for producing mucus protein of sweet potato from wastewater of sweet potato |
| 11/18/2009 | CN100560517C Method for preprocessing coking wastewater by electrochemical oxidation flocculating composite technique |