| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 07/15/2009 | CN101481189A Integrated process of furfural production as well as wastewater, waste slag and waste gas treatment |
| 07/15/2009 | CN101481188A Treating method for phenolic waste water of gas producer gas station |
| 07/15/2009 | CN101481187A Method for processing phenolic resin phenolic wastewater |
| 07/15/2009 | CN101481186A Process and apparatus for treating oil-gas field wastewater |
| 07/15/2009 | CN101481185A Method for separating and removing heavy metal ion in water by cation exchange membrane chemistry reactor |
| 07/15/2009 | CN101481184A Novel membrane processing and salt recycling method for hot pickled mustard tube cleaning wastewater |
| 07/15/2009 | CN101481183A Efficient precipitation and purification bed |
| 07/15/2009 | CN101481182A Reverse osmosis water production apparatus, water production method, and method for cleaning and maintaining reverse osmosis water production apparatus |
| 07/15/2009 | CN101481181A Highly water purification apparatus for river navigation ship |
| 07/15/2009 | CN101481180A Purification treatment method and apparatus for pig raising waste liquid |
| 07/15/2009 | CN100513336C Water treatment new combined technique with high purification function |
| 07/15/2009 | CN100513335C Comprehensive treatment method for recovered and used humic acid in garbage infiltration liquid |
| 07/15/2009 | CN100513334C Deep treatment process of metallurgical sewage |
| 07/15/2009 | CN100513333C Method for treating waste water in production of para-hydroxyphenyl hydantoin |
| 07/09/2009 | WO2009083489A1 Method for enriching water with oxygen by an electrolytic process, oxygen enriched water or beverage and uses thereof |
| 07/09/2009 | WO2009083346A1 Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant |
| 07/09/2009 | WO2009066151A3 Device for activating liquids |
| 07/09/2009 | WO2009062581A3 Two-stage method for the recovery of chemicals from waste water |
| 07/09/2009 | WO2008035990A9 Screening apparatus |
| 07/09/2009 | US20090173686 Water treatment device |
| 07/09/2009 | US20090173616 Water Ionizing System |
| 07/09/2009 | CA2708563A1 Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant |
| 07/08/2009 | EP2077163A1 Methods of simultaneously cleaning and disinfecting industrial water systems |
| 07/08/2009 | EP1654599A4 Fluid over-flow/make-up air assembly for reprocessor |
| 07/08/2009 | CN201268654Y Ozone disinfection and downflow type aerating biological filter integrated sewage treating device |
| 07/08/2009 | CN201268653Y Advanced treatment apparatus for wastewater containing ammonia nitrogen and phosphor |
| 07/08/2009 | CN201268652Y Integral sewage treating device |
| 07/08/2009 | CN201268651Y Combined laminar current sewerage biochemical treatment apparatus |
| 07/08/2009 | CN201268650Y Small-sized combined type sewage treatment system |
| 07/08/2009 | CN201268649Y Combined type sewage purification system |
| 07/08/2009 | CN201268648Y Multifunctional universal sewage treatment system |
| 07/08/2009 | CN201268647Y Small-sized domestic sewage processing system |
| 07/08/2009 | CN201268646Y Surface water comprehensive water processor |
| 07/08/2009 | CN201268645Y Anaerobic and iron bed coupled sewage treatment reactor |
| 07/08/2009 | CN201268644Y Special backwashing water purifier for middle and small enterprises |
| 07/08/2009 | CN201268643Y Camping drinking water purifier |
| 07/08/2009 | CN201268642Y Composite filter element with two-sided filter tubular micropore ceramic |
| 07/08/2009 | CN201268641Y Combined filter element |
| 07/08/2009 | CN201268640Y Energy activation direct drinking machine |
| 07/08/2009 | CN201268639Y Yard type multifunctional water purifying system apparatus |
| 07/08/2009 | CN201268638Y Seawater desalination system by film method |
| 07/08/2009 | CN201268637Y Combined vertical flow isolation board type sewage processor |
| 07/08/2009 | CN201268636Y Standard box combined sewage treatment system |
| 07/08/2009 | CN101475294A Biochemical treatment apparatus for wastewater treatment |
| 07/08/2009 | CN101475293A Wastewater treating and recycling process |
| 07/08/2009 | CN101475292A Prepositive denitrification bio-filter processing method for municipal sewage |
| 07/08/2009 | CN101475291A Sewerage pretreatment method and denitrification anaerobic hydrolytic precipitation pool |
| 07/08/2009 | CN101475290A Recovery processing process for fracturing return liquid |
| 07/08/2009 | CN101475289A Reinforced biological reaction tank and reinforced undercurrent wetland processing system |
| 07/08/2009 | CN101475288A Water circulation filtering system for aquiculture |
| 07/08/2009 | CN101475287A Novel membrane-biological membrane reactor system and use thereof |
| 07/08/2009 | CN101475286A Sewage treatment method for stevioside production line |
| 07/08/2009 | CN101475285A Gas field sewerage and solid pollutant comprehensive processing technological process |
| 07/08/2009 | CN101475284A Domestic sewage treatment process and apparatus |
| 07/08/2009 | CN101475283A Solar photocatalytic plant water purifying method |
| 07/08/2009 | CN101475282A Photocatalysis-plant cooperated water purifying method for pisciculture water |
| 07/08/2009 | CN101475281A Advanced treatment process for pulping papermaking sewerage and apparatus thereof |
| 07/08/2009 | CN101475280A Zero discharge wastewater treatment method, liquid membrane crystal wastewater evaporator and application system |
| 07/08/2009 | CN101475279A Alkaline residue sewage treatment and resource recovery process for oil-extraction plant |
| 07/08/2009 | CN101475278A Full-automatic reclaimed water recycling machine |
| 07/08/2009 | CN101475277A Modularized water plant |
| 07/08/2009 | CN101475276A Treatment process for ferric oxide production wastewater |
| 07/08/2009 | CN101475275A Water recovery processing system and water recovery processing method |
| 07/08/2009 | CN101475274A Integrative electroplating waste treatment process |
| 07/08/2009 | CN101475273A Miniature apparatus for preparing drinking water by manual pressurization |
| 07/08/2009 | CN101475272A Pretreatment process for oily watewater of cold rolling mill |
| 07/08/2009 | CN101475271A Multipurpose purifying water filtration apparatus |
| 07/08/2009 | CN101475270A Denitration method by dilute salt solution membrane process |
| 07/08/2009 | CN101475269A Comprehensive treating and recycling method for steel wastewater and apparatus thereof |
| 07/08/2009 | CN101475268A Water purification agent used under normal temperature |
| 07/08/2009 | CN101475267A Wastewater recovering treatment apparatus of wet steam generator |
| 07/08/2009 | CN100511913C Self-adapting inductive power supply with communication ability |
| 07/08/2009 | CN100509665C Method for processing waste water through coordination of Diatemite and biochemical function |
| 07/08/2009 | CN100509664C Method for treating percolation liquid of water deficiency area garbage embedding field |
| 07/08/2009 | CN100509663C Method and system for treating concentrated liquid from reverse osmosis of high concentration waste water |
| 07/08/2009 | CN100509662C Oil refinery sewage treatment and reusing process system and operation method thereof |
| 07/08/2009 | CN100509661C Treating technique of polyether polyatomic alcohol producing sewage recovering and utilization |
| 07/08/2009 | CN100509660C Treatment technique for 'calcium carbide acetylene method PVC production wastewater' by aeration flocculation process |
| 07/08/2009 | CN100509659C Zero-discharging treatment method of regenerated waste water for paper making |
| 07/08/2009 | CN100509658C High-concentration chromium-containing wastewater resource treatment method |
| 07/08/2009 | CN100509657C Water saving and ecologically fertilizer utilizing process and device thereof |
| 07/08/2009 | CN100509656C Method for concentrating virus in sewage or sewage treatment plant tail water |
| 07/08/2009 | CN100509655C Method and apparatus for preventing domestic water purifier discharge water from generating secondary pollution |
| 07/02/2009 | WO2009082237A1 Apparatus and method for purification of waste water |
| 07/02/2009 | WO2009082205A1 Process for removing sulfide from alkaline washing liquids |
| 07/02/2009 | WO2009080912A2 Method and plant for the treatment of effluents containing nitrogen in a sequencing batch reactor |
| 07/02/2009 | WO2009062580A3 Method for producing fibrous material using renovated waste water |
| 07/02/2009 | DE202009004742U1 Vorrichtung zur Abwasserreinigung Apparatus for wastewater treatment |
| 07/02/2009 | CA2710424A1 Process for removing sulfide from alkaline washing liquids |
| 07/02/2009 | CA2701786A1 Method and plant for the treatment of effluents containing nitrogen in a sequencing batch reactor |
| 07/01/2009 | CN201264958Y Apparatus for digestive fluid denitrification and stabilization of municipal sewage plant sludge |
| 07/01/2009 | CN201264957Y Sludge digestive fluid short-range nitration and anaerobic ammoxidation combined denitrification apparatus |
| 07/01/2009 | CN201264956Y Solar energy heat exchange integrated sewage treating apparatus |
| 07/01/2009 | CN201264955Y Photocatalysis oxidation and biodegradation integrated gas lift type internal circulation reactor |
| 07/01/2009 | CN201264954Y Nano high energy healthful water making machine with six functions |
| 07/01/2009 | CN201264953Y Water filtration, purification, activation and magnetization integrated machine |
| 07/01/2009 | CN201264952Y Three-functional water making combined machine by electrolysis |
| 07/01/2009 | CN201264951Y Sand filtering type Fenton strong oxidation treatment apparatus |
| 07/01/2009 | CN101468864A Sewage treatment method and uses thereof |
| 07/01/2009 | CN101468863A Hospital waste water purification system |