| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 06/29/2011 | CN201883002U Air operated aeration cyclic neutralizing and settling device |
| 06/29/2011 | CN201883001U Novel high-turbidity and biochemistry integrated water purifier |
| 06/29/2011 | CN201883000U Biological sewage treatment device |
| 06/29/2011 | CN201882999U Novel gas phenol water processing device |
| 06/29/2011 | CN201882998U High-temperature high-pressure boiler water treatment equipment |
| 06/29/2011 | CN201882997U Movable using device for drinkable rain water |
| 06/29/2011 | CN201882996U Integrated directly drinkable water equipment |
| 06/29/2011 | CN201882995U Water treatment device |
| 06/29/2011 | CN201882994U Environment-friendly organic sewage treatment device |
| 06/29/2011 | CN201882993U Oily sewage settling treatment device |
| 06/29/2011 | CN201882992U Multi-function water purifier |
| 06/29/2011 | CN201882991U Electroplating wastewater containing cyanide treatment and online cyanide recovery device |
| 06/29/2011 | CN201882990U Synthesis ammonia process water treatment system |
| 06/29/2011 | CN201882989U Novel water softener |
| 06/29/2011 | CN201882988U Treatment and recycling system for chemical chlor-alkali waste water |
| 06/29/2011 | CN201882987U System for treating and recycling wastewater |
| 06/29/2011 | CN201882986U Novel energy-saving device for processing drinking water |
| 06/29/2011 | CN201882985U Water purifying machine |
| 06/29/2011 | CN201882984U Water purifier |
| 06/29/2011 | CN201882983U Equipment used for treating water of slight-polluted and gustily-polluted water source |
| 06/29/2011 | CN201882982U Improved device for preparing deionized purified water |
| 06/29/2011 | CN201880434U Drinking water purifier |
| 06/29/2011 | CN1994936B Method for processing and resuing carbinol waste water for circulated cooling water |
| 06/29/2011 | CN1569302B Methods for centrifugally separating mixture and centrifugal separators |
| 06/29/2011 | CN102108303A Water-saving and emission reduction method for catalytic cracking device |
| 06/29/2011 | CN102107999A Method for pretreating atrazine production wastewater |
| 06/29/2011 | CN102107998A Method for treating low-permeability oilfield reinjection water |
| 06/29/2011 | CN102107997A Method for treating leachate of domestic waste incineration plants |
| 06/29/2011 | CN102107996A Apparatus and method for treating waste water |
| 06/29/2011 | CN102107995A Low-temperature municipal sewage reinforced treatment method based on chemical coagulation-two stage aeration biological filter combined technique |
| 06/29/2011 | CN102107994A Device for filtering various water sources into direct drinking water |
| 06/29/2011 | CN102107993A Method for filtering various water sources into drinking water |
| 06/29/2011 | CN102107992A Sewage treatment equipment |
| 06/29/2011 | CN102107991A Ecological purification system for decentralized domestic sewage of villages and towns in mountain areas |
| 06/29/2011 | CN102107990A Stepped riverine wetland water purification method |
| 06/29/2011 | CN102107989A Treatment method of potato type non-grain starch fuel ethanol distiller solution |
| 06/29/2011 | CN102107988A Phenol-amine wastewater treatment and recycling method and device |
| 06/29/2011 | CN102107987A Modular anaerobic digestion system |
| 06/29/2011 | CN102107986A Inner circulation type sequencing batch reactor with membrane separation tank and water treatment method |
| 06/29/2011 | CN102107985A Treatment method of Fischer-Tropsch synthetic reaction wastewater |
| 06/29/2011 | CN102107984A Integrated device for rural dispersive sewage treatment |
| 06/29/2011 | CN102107983A Duplex landscape ecological pond system used for advanced purification of regenerated water |
| 06/29/2011 | CN102107982A Ecological engineering combination technology for deep purification of nutritive salts in reclaimed water |
| 06/29/2011 | CN102107981A High-efficiency method for treating arsenic-containing wastewater |
| 06/29/2011 | CN102107980A Method for removing sulfonic-group-containing dye in alkaline waste water by using magnetic chitosan adsorbent |
| 06/29/2011 | CN102107979A Ceramic water purifier provided with water heating function |
| 06/29/2011 | CN102107978A Method for resource utilization and innocent treatment of etching waste liquid containing copper in circuit board industry |
| 06/29/2011 | CN102107977A Method for recycling wastewater containing high-concentration ammonia nitrogen |
| 06/29/2011 | CN102107976A Filter element of water purifier |
| 06/29/2011 | CN102107975A Method for improving biodegradability of papermaking wastewater by using combined process of coagulation and irradiation |
| 06/29/2011 | CN102107974A Method for utilizing residual heat of poor-quality digesting backwater of aluminum oxide |
| 06/29/2011 | CN102107973A Closed cyclic processing method for low-concentration acid wastewater during industrial production |
| 06/29/2011 | CN102107972A Seawater desalinization pretreatment method by using bipolar membrane through reverse osmosis process |
| 06/29/2011 | CN102107971A Papermaking wastewater advanced treatment and recycling device and method thereof |
| 06/29/2011 | CN102107970A Electrolysis adsorption method and comprehensive utilization method of seawater deep pretreatment |
| 06/29/2011 | CN102107969A Method for emergently treating thallium-polluted raw water |
| 06/29/2011 | CN102107968A Water purification system and water purification method of flotation filter tank |
| 06/29/2011 | CN102107967A System and method for deeply treating micro-polluted water |
| 06/29/2011 | CN102107966A Method for treating cyanate ions in benzyl cyanide production wastewater |
| 06/29/2011 | CN102107965A Emergency pretreatment system of source water with excessive iron and manganese and treatment method thereof |
| 06/29/2011 | CN102107964A Method for processing iron ion pollution in water body |
| 06/29/2011 | CN102107963A Method for treating acid-washing wastewater and metallic ions in iron and steel industry |
| 06/29/2011 | CN102107962A Bottle-washing water on-line purification and reuse complete device |
| 06/29/2011 | CN102107961A Drinking water quality purifying system |
| 06/29/2011 | CN102107960A Method for processing high-arsenic and high-alkali wastewater |
| 06/29/2011 | CN102107959A Water activator and water-activating kettle thereof |
| 06/29/2011 | CN102107958A Method for performing advanced treatment and reuse on oil-refining sewage and matched device |
| 06/29/2011 | CN102107957A Intelligent water-purifying program-controlled direct-drinking water boiler |
| 06/29/2011 | CN102107956A Numerical control household ultrafiltration drinking fountain |
| 06/29/2011 | CN102107955A Intelligent water-saving domestic water purifying machine |
| 06/29/2011 | CN102107954A Intelligent back-flushing household water purifier |
| 06/29/2011 | CN102107953A Method for treating molasses alcohol waste liquor |
| 06/29/2011 | CN102107941A Preparation method of mineral water and mineral water machine |
| 06/29/2011 | CN102107886A Ammonia-evaporating process by circularly heating flash evaporation method |
| 06/29/2011 | CN102107122A Membrane fiber structure for membrane bioreactor and membrane bioreactor |
| 06/29/2011 | CN101774710B Membrane separation structure optimizing system for purified water preparation |
| 06/29/2011 | CN101708918B Improved integrated A/O sewage treatment equipment |
| 06/29/2011 | CN101704608B Distributed sewage advanced treatment device with sludge treatment and method thereof |
| 06/29/2011 | CN101700924B Device for removing nitrate in water |
| 06/29/2011 | CN101693577B Electrolytic-biological anaerobic reactor and technique thereof |
| 06/29/2011 | CN101690937B Process technology for treating drilling waste while drilling before falling onto ground in oil-gas fields |
| 06/29/2011 | CN101671093B Solar rural domestic sewage treating device and technique thereof |
| 06/29/2011 | CN101665297B Waste water treatment method in 1-naphthylamine-4-sodium sulfonate production process |
| 06/29/2011 | CN101633545B Integrated biological and ecological cooperative sewage treatment method and reactor |
| 06/29/2011 | CN101633535B Processing method of electroplating paraffin removal process waste water |
| 06/29/2011 | CN101549936B A method using white-rot fungus and carrier to process persistent wastewater |
| 06/29/2011 | CN101508513B Sewage sludge decrement process for reinforcing removal of nitrogen and phosphor in sewage water |
| 06/29/2011 | CN101497488B Multi-stage water purifying apparatus with nano photocatalysis reactor |
| 06/29/2011 | CN101402492B Wastewater treatment system and method for improving coefficient of recovery |
| 06/29/2011 | CN101318743B Wastewater treatment method for lean iron ore sorting factory |
| 06/29/2011 | CN101265000B Method for treating waste water in grape wine brewage |
| 06/29/2011 | CN101254989B Device for preparing tea-making water |
| 06/29/2011 | CN101107923B Maintenance-free method of biochemistry filtered aquatic animals device and aquatic animals device adopting the same |
| 06/28/2011 | US7967955 Water treatment method for heavy oil production |
| 06/28/2011 | CA2610542C Process to obtain (implement and maintain) water bodies larger than 15,000 m3 for recreational use with color, transparency and cleanness characteristics similar to swimming poolsor tropical seas at low cost |
| 06/23/2011 | US20110147314 Water desalination apparatus and method |
| 06/23/2011 | US20110147283 Water treatment for cooling towers and large commercial ponds using a non-chemical residual program |
| 06/22/2011 | EP2334609A2 Method for water treatment |
| 06/22/2011 | DE202011050131U1 Kompakt-Flotationsanlage Compact Flotation |
| 06/22/2011 | DE102009056175A1 Verfahren und Vorrichtung zur Entfernung partikulärer und/oder gelöster Stoffe aus wässrigen Medien Method and apparatus for removing particulate and / or dissolved materials from aqueous media |