| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 09/08/2010 | CN101823819A Container type construction site sewage temporary treatment device |
| 09/08/2010 | CN101823818A Multi-point cyclic control anaerobic/anoxic parallel synchronous denitrification and dephosphorization method |
| 09/08/2010 | CN101823817A Self cleaning type ammonia-nitrogen wastewater treatment set device |
| 09/08/2010 | CN101823816A Aerobic sludge zero discharge technology in potato alcohol wastewater treatment process |
| 09/08/2010 | CN101823815A Novel process for strengthening sewage denitrogenation by carbon source pre-separation |
| 09/08/2010 | CN101823814A Method and system of integrated denitrifying phosphorus and nitrogen removal |
| 09/08/2010 | CN101823813A Method for treating waste water of circuit board production |
| 09/08/2010 | CN101823812A Method for treating pollution biogas slurry of poultry and livestock breeding |
| 09/08/2010 | CN101823811A Method for treating saccharin wastewater |
| 09/08/2010 | CN101823810A Method of reducing pollution and recycling organic matter for waste water of potato starch processing |
| 09/08/2010 | CN101823809A Distributed sewage regeneration method, apparatus and control system |
| 09/08/2010 | CN101823808A Garbage leachate treatment process |
| 09/08/2010 | CN101823807A Waste drilling fluid soil remediation process in loess tableland area |
| 09/08/2010 | CN101823806A Piggery waste water treatment method based on strong-thin shunt |
| 09/08/2010 | CN101823805A Sewage split-flow treatment equipment |
| 09/08/2010 | CN101823804A Waste water zero emission treatment system for hot-dip galvanizing workshop |
| 09/08/2010 | CN101823803A Weakly alkaline small molecular group alive water machine |
| 09/08/2010 | CN101823802A Leather tanning wastewater chromium recovery unit |
| 09/08/2010 | CN101823801A Technique of in-situ remediation of high As groundwater |
| 09/08/2010 | CN101823800A Method for treating phosphoric and aromatic nitro compound waste water |
| 09/08/2010 | CN101823799A Method for treating acidic fluorine-containing waste water |
| 09/08/2010 | CN101823798A Oily water treatment system of hydropower station |
| 09/08/2010 | CN101822921A Water dispenser and filter cartridge for use therein |
| 09/08/2010 | CN101612630B Harmless and recycling real-time treatment method and system for household garbage |
| 09/08/2010 | CN101392463B Soaping processing and dyeing waste water decoloring after instead of reactive dyes dyeing by using Fenton method |
| 09/08/2010 | CN101391855B Method for treating rural disperse sewage by using high load vermibiofilter |
| 09/08/2010 | CN101318752B Treatment method and apparatus for recycling ammonia nitrogen wastewater |
| 09/08/2010 | CN101306899B Grey water treatment technology for graded gasification furnace |
| 09/08/2010 | CN101157505B Hogwash handling method and device |
| 09/08/2010 | CN101139145B Sullage oxidized coagulated decolorizing process technique |
| 09/08/2010 | CN101028959B Method for pre-treating seawater by flow-raising biological active carbon filtering pool |
| 09/07/2010 | US7790022 Water filter and treatment system and component |
| 09/05/2010 | CA2657072A1 Waste water treatment method |
| 09/02/2010 | WO2010099405A1 Irrigation and fertigation collection and mixing device, system and associated methods |
| 09/02/2010 | WO2010098691A1 Apparatus for the purification of liquid, method for washing a hollow-fibre filter and use of the method for washing a hollow-fibre filter |
| 09/02/2010 | WO2010098158A1 Slime control agent for activated carbon, method of passing water through activated-carbon device, and method and apparatus for treating organic-containing water |
| 09/02/2010 | US20100219137 Water Treatment Apparatus and Method |
| 09/02/2010 | DE102009012189A1 Method for treating wastewater of oleaginous fruits- and grain processing, comprises purifying the wastewater by separation of solid materials and oil droplets, and then concentrating in a reverse osmosis plant |
| 09/01/2010 | CN201567629U Integral sewage treatment device for civil use |
| 09/01/2010 | CN201567280U Biologically active percolation domestic sewage processing device |
| 09/01/2010 | CN201567279U Oil field sewage discharging high-efficiency processor |
| 09/01/2010 | CN201567278U Repair system for repairing ground water polluted by organics |
| 09/01/2010 | CN201567277U Drinking water disinfection and purification processing apparatus |
| 09/01/2010 | CN201567276U Marine oily water separating treatment device |
| 09/01/2010 | CN201567275U Water purifier with active carbon arranged in the center and with manual and automatic integrated sewage discharge function |
| 09/01/2010 | CN201567274U Water circulating device applied to engineering vehicle washing tank |
| 09/01/2010 | CN201567273U Reverse osmosis pure dual water machine |
| 09/01/2010 | CN201567272U Sewage purifier |
| 09/01/2010 | CN201564828U Household detoxication and health protection instrument |
| 09/01/2010 | CN1743283B Filter-adsorption-submerged floating wet land sewage treating system and apparatus |
| 09/01/2010 | CN1533991B Power generating heat supplying clean production system using city sewage and garbage resources |
| 09/01/2010 | CN101817698A System and method for producing organic based fertilizer and usable water from animal waste |
| 09/01/2010 | CN101817650A Method for treating incinerated fly ash of domestic garbage with cooperation of cement kiln |
| 09/01/2010 | CN101817625A Water treatment device and method integrating absorption, degradation, air floatation and membrane separation |
| 09/01/2010 | CN101817624A Comprehensive treatment method for fluorescent brightener production wastewater |
| 09/01/2010 | CN101817623A Method for treating explosive waste water from explosive projectile emptying |
| 09/01/2010 | CN101817622A Ozone pre-oxidation and laccase advanced water treatment method |
| 09/01/2010 | CN101817621A Semi-denitrification-based wastewater treatment technology |
| 09/01/2010 | CN101817620A Method for distributing holes for subsurface infiltration sewage dispersion pipe |
| 09/01/2010 | CN101817619A Method for treating piggery wastewater by sequencing batch biofilm reactor |
| 09/01/2010 | CN101817618A Method for treating coking wastewater biologically |
| 09/01/2010 | CN101817617A Comprehensive treatment process for coking wastewater |
| 09/01/2010 | CN101817616A Biologic unit combined treatment method for improving biological stability of drinking water quality |
| 09/01/2010 | CN101817615A Anaerobic-sequencing batch biofilm reactor-artificial wetland method for treating piggery wastewater |
| 09/01/2010 | CN101817614A Micro-polluted drinking water treatment method and equipment |
| 09/01/2010 | CN101817613A Purifier and method for performing advanced treatment on secondarily-polluted drinking water |
| 09/01/2010 | CN101817612A Seawater wall mounted machine |
| 09/01/2010 | CN101817611A Full automatic multifunctional high efficiency microbubble aerator |
| 09/01/2010 | CN101817610A Method for filtering and circulating sewage after washing plastic wastes |
| 09/01/2010 | CN101817609A Method for reutilization of wastewater of process of producing rare earth chloride by extraction and transformation of sulfuric acid system |
| 09/01/2010 | CN101817608A Two-stage treatment method for heavy metal wastewater |
| 09/01/2010 | CN101817607A Method for directly extracting nickel in acidic chemical nickel plating waste solution |
| 09/01/2010 | CN101817606A Water-saving quality classification water supply and water treatment device |
| 09/01/2010 | CN101817605A Process for directionally removing nitric acid/nitrous acid from drinking water |
| 09/01/2010 | CN101817604A Apparatus for processing fecal sewage into reclaimed water at source |
| 09/01/2010 | CN101817603A Yishuibao faucet-movable water purifier |
| 09/01/2010 | CN101475283B Solar photocatalytic plant water purifying method |
| 09/01/2010 | CN101434441B Processing method of chemical nickel phosphor plating |
| 09/01/2010 | CN101428945B Method and apparatus for treating and recycling carbonized wastewater |
| 09/01/2010 | CN101428937B System for regenerating and recycling papermaking wastewater |
| 09/01/2010 | CN101386455B Method for treating waste water after workpiece tinplating |
| 09/01/2010 | CN101376555B Multi-stage biochemical domestic sewage processing method and processing unit thereof |
| 09/01/2010 | CN101343127B Processing method for recycling wastewater of aluminum industry |
| 09/01/2010 | CN101333055B Complete plant for treating and recovering printing light polluted waste liquid |
| 09/01/2010 | CN101306895B Device for treating oil extraction waste water by coagulation-electrocoagulation-ultrafiltration method and the method |
| 09/01/2010 | CN101209886B Advanced treatment recycling technique of urban sewage |
| 08/31/2010 | US7785470 continuous flow for treatment by immersible transducers producing ultrasonic acoustic waves in combination with a high level of injected ozone; ultrasonic and hydrodynamic agitation; cost efficiency; environmentally friendly; onsite at oil and gas wells |
| 08/26/2010 | WO2010094841A1 Method for removing arsenic as scorodite |
| 08/26/2010 | CA2753163A1 Method for removing arsenic as scorodite |
| 08/25/2010 | CN201562157U Automatic control system of water treatment station |
| 08/25/2010 | CN201561540U Novel water heater with beauty treatment function |
| 08/25/2010 | CN201560457U Resource-saving automatic toilet washing device without tap water |
| 08/25/2010 | CN201560160U Device for treating sewage with high COD and ammonia nitrogen contents |
| 08/25/2010 | CN201560159U Integrative sewage treatment tank |
| 08/25/2010 | CN201560158U Water recycling integrated device in membrane bioreactor |
| 08/25/2010 | CN201560157U Ship sewage treatment device with pre-separation box |
| 08/25/2010 | CN201560156U Device for purifying, disinfecting and magnetizing water |
| 08/25/2010 | CN201560155U Sewage recovery unit |
| 08/25/2010 | CN201560154U Advanced-treated dyeing wastewater purifier |
| 08/25/2010 | CN201560153U Novel purifier for shower |