| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 03/27/2008 | DE102006043246A1 Recuperation of nutrients such as phosphorus and nitrogen from urine, process water of a sludge treatment, industrial waste water with high phosphorus and ammonium concentrations, is carried out in a bag filter and then in a stripper |
| 03/26/2008 | EP1903837A1 Starter assembly for a gas discharge lamp |
| 03/26/2008 | CN201040737Y Domestic sewage treatment equipment |
| 03/26/2008 | CN201040736Y Water quality Comprehensive treatment equipment |
| 03/26/2008 | CN101151220A A device and a method for purifying a liquid with ozone and recirculation |
| 03/26/2008 | CN101148307A Anaerobic-aerobic-film processing technique for urban domestic refuse percolate |
| 03/26/2008 | CN101148306A Method for treating and utilizing human fecaluria |
| 03/26/2008 | CN101148305A Method for treating waste water of 1,4-butanediol production |
| 03/26/2008 | CN101148304A Highly effective double-element nitration reactor |
| 03/26/2008 | CN101148303A Oil field re-injection water microbiological treatment |
| 03/26/2008 | CN101148302A Method for treating waste water of livestock and fowl cultivation |
| 03/26/2008 | CN101148301A Method for removing ammonia and nitrogen from coking wastewater |
| 03/26/2008 | CN101148300A Waste acid treatment method and treatment system for acesulfame preparation technique by sulphuric anhydride cyclization method |
| 03/26/2008 | CN101148299A Method for governing glass fibre industrial waste water |
| 03/26/2008 | CN101148298A Integration treatment recovery method for alkali decrement waste water by film method |
| 03/26/2008 | CN101148297A Method for processing surface treatment integrated waste water |
| 03/26/2008 | CN101148296A Method for treating waste water of indium production |
| 03/26/2008 | CN101148295A Combined technique for drinking water advanced treatment |
| 03/26/2008 | CN101148275A PVC centrifugal mother liquor treatment reclaiming technique and device |
| 03/26/2008 | CN100376496C Integrated process for treating sewage by suspended bio-carrier |
| 03/26/2008 | CN100376495C Cleansing production method for producing furfural with zero dischrge of waste water |
| 03/25/2008 | CA2389284C Waste water treatment system |
| 03/20/2008 | WO2008001405A3 Metal or metalized fabrics coated with nanostructured titanium dioxide |
| 03/19/2008 | EP1900417A1 Method of bacteriostasis or disinfection for permselective membrane |
| 03/19/2008 | EP1470084B1 Method for the treatment of industrial effluent containing organic pollutants |
| 03/19/2008 | CN201037265Y Water self-circulation washing intelligence environment protection toilet |
| 03/19/2008 | CN201037129Y Multifunctional integration processor for sewage |
| 03/19/2008 | CN101146747A Method for ground water and wastewater treatment |
| 03/19/2008 | CN101143756A In situ collection and ecological processing method and device for residential area domestic garbage station percolate |
| 03/19/2008 | CN101143755A Deep treatment technique of heavy crude heat extraction sewage for high pressure boiler |
| 03/19/2008 | CN101143754A Circulation extraction, zero discharging, comprehensive utilization, energy-saving and low-cost sea water desalination method |
| 03/19/2008 | CN101143753A Deep treatment method for waste salt water produced in MDI producing process |
| 03/19/2008 | CN100375726C Mambrane method of recovery and utilization of refining oil and chemical polluted water and its equipment |
| 03/18/2008 | US7344650 residual benzene and/or nitrobenzene is/are stripped out of the alkaline waste water, and the alkaline waste water is heated to a temperature of from 150 to 500 degrees C. under excess pressure with the exclusion of oxygen |
| 03/18/2008 | US7344641 Used water treatment system for residences and the like |
| 03/18/2008 | US7344640 Urban runoff water treatment methods and systems |
| 03/13/2008 | US20080061003 Apparatus for recycling of oil based drilling fluid contaminated with water and water contaminated with oil based drilling fluid |
| 03/12/2008 | EP1897857A1 Water treatment system |
| 03/12/2008 | EP1897854A1 Methods for reducing boron concentration in high salinity liquid |
| 03/12/2008 | CN201033884Y Storied building reclaimed water reclaiming and utilizing apparatus |
| 03/12/2008 | CN201033883Y Low reclaimed-water reclaiming and utilizing apparatus matched with urinal |
| 03/12/2008 | CN201033758Y Highly effective module combined sewage treatment equipment |
| 03/12/2008 | CN201033757Y Sewage water treatment system for fruit juice waste water |
| 03/12/2008 | CN201033756Y Scouring sewage water multi-cycle treating apparatus |
| 03/12/2008 | CN201033755Y Multifunctional water purifying storage apparatus |
| 03/12/2008 | CN201033754Y Used water renovation purifying storage apparatus |
| 03/12/2008 | CN101139847A Multitime utilization water purifying saving device |
| 03/12/2008 | CN101139156A Textile printing and dyeing wastewater advanced treatment method |
| 03/12/2008 | CN101139155A Non-excess activated sludge discharged printing and dyeing wastewater processing equipment and operation method thereof |
| 03/12/2008 | CN101139154A Organic waste water processing method |
| 03/12/2008 | CN101139153A Combined type cultivation wastewater purification method and device |
| 03/12/2008 | CN101139152A Printing and dyeing wastewater advanced treatment and recycling method by using resin |
| 03/12/2008 | CN101139151A Desalting amd concentrating method of polyvinyl chloride technique wastewater |
| 03/12/2008 | CN101139150A Preoxidized-composite electrolyzing method for removing arsenic in groundwater |
| 03/12/2008 | CN101139149A Industrial sewage circulating recovery utilization method and equipment thereof |
| 03/12/2008 | CN101139148A Processing method of wastewater in the sebacic acid production and special extractor thereof |
| 03/12/2008 | CN101139147A Stone oil well drilling sullage continuous processing technique |
| 03/12/2008 | CN101139146A Technique for fathering papermaking black liquor by using boiler flue vent gas |
| 03/12/2008 | CN101139145A Sullage oxidized coagulated decolorizing process technique |
| 03/12/2008 | CN101139144A Method for processing acidity ammonium nitrogen wastewater in fertilizer plant by using membrane separation |
| 03/12/2008 | CN101139143A Hyperfiltration reverse- rinsing water recovery processing method and device thereof |
| 03/12/2008 | CN101139142A Oily sewage processing method |
| 03/12/2008 | CN101139141A Phthalic ester plasticizer wastewater preprocessing method |
| 03/12/2008 | CN101139097A Boric acid formed in waste liquor recovery processing method and processing system thereof |
| 03/12/2008 | CN100374405C Process for preparing calcium formate from recovered formylic acid in waste water of epoxy soybean oil |
| 03/12/2008 | CN100374380C Treatment of biological reactor for coking sewage membrane |
| 03/12/2008 | CN100374379C Water treatment compositions with masking agent and method of purifying drinking water |
| 03/11/2008 | CA2376616C Method and apparatus for treating of water/wastewater |
| 03/11/2008 | CA2186860C Improvements in electrodialysis including filled cell electrodialysis (electrodeionization) |
| 03/06/2008 | WO2008026196A1 Method and device for waste-water purification |
| 03/06/2008 | WO2008025358A1 Water purification including disinfection, oxidation and arsenic removal |
| 03/06/2008 | US20080053900 System and method for treating water contaminated with methanol and boron |
| 03/06/2008 | US20080053899 For treating an influent water solution, low sugar concentration solution, and high sugar concentration solution; for production of beverages; reverse osmosis; ultrafiltration; bioreactors |
| 03/06/2008 | DE202007013912U1 Filtereinrichtung zur Aufbereitung von Zoowasser Filter means for processing Zoowasser |
| 03/05/2008 | EP1893534A2 Improved phosphorus removal system and process |
| 03/05/2008 | EP1893315A1 Water purification apparatus |
| 03/05/2008 | EP1766144A4 Wastewater treatment |
| 03/05/2008 | CN201031405Y Ecological intelligent district building |
| 03/05/2008 | CN201031195Y Reclaimed water treatment system |
| 03/05/2008 | CN201031194Y Multifunctional water processing integrated device |
| 03/05/2008 | CN201031193Y Synthetic waste water handler |
| 03/05/2008 | CN201031192Y Multifunctional water treating apparatus |
| 03/05/2008 | CN201031191Y High concentration emulsifying waste water demulsifying device |
| 03/05/2008 | CN201031190Y Sewage treating device |
| 03/05/2008 | CN201031189Y Oil-water purifying, deodorizing and sterilizing device |
| 03/05/2008 | CN201031188Y Oil refining reclamation and utilization of sewage device |
| 03/05/2008 | CN201031187Y Water purifier purifier |
| 03/05/2008 | CN201031186Y Precision filter |
| 03/05/2008 | CN201031185Y Activated water directly drinking device |
| 03/05/2008 | CN101134631A Method for processing old refuse filter liquor by employing mineralizing sludge |
| 03/05/2008 | CN101134630A Air-float filtration integral water conditioning process |
| 03/05/2008 | CN101134629A City tap-water highly effective low-toxin release algae-removing method |
| 03/05/2008 | CN101134628A Comprehensive processing utilization method for PTA refining waste-water |
| 03/05/2008 | CN101134627A Method for processing printed circuit board waste and resource reusing |
| 03/05/2008 | CN101134626A Emergency handling process for sudden burst of raw material alga |
| 03/05/2008 | CN101134625A Method for wastewater comprehensive utilization of saponin production |
| 03/05/2008 | CN100372788C Waste magnetic suspension liquid processing method and device |
| 03/05/2008 | CN100372588C Water purifier |
| 03/04/2008 | US7338595 Flow-through tank for water treatment |
| 02/28/2008 | US20080047904 Treatment for Hydrostatic Testing Water |