| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 12/31/2008 | CA2690542A1 Oil-contaminated water reutilization system |
| 12/30/2008 | US7470366 Water purification system and method using reverse osmosis reject stream in an electrodeionization unit |
| 12/30/2008 | US7470364 Water dispenser and filter cartridge for use therein |
| 12/25/2008 | US20080314830 Method of Removing Phosphorus from Wastewater |
| 12/25/2008 | US20080314829 determining a control algorithm based on the relationship between the value of a parameter of the influent provided to the membrane bioreactor system and an optimal performance measurement parameter of the system and controlling operating parameters using determined control algorithm; reduced energy use |
| 12/25/2008 | US20080314808 Portable, refillable water dispenser serving batches of water purified of organic and inorganic pollutants |
| 12/24/2008 | WO2008155407A1 A unit, a plant and a method for treatment of polluted water |
| 12/24/2008 | DE10225834B4 Verfahren und transportable Vorrichtung zum Reinigen von Oberflächen- und Brunnenwasser, sowie Aufbereitung desselben zu Trinkwasser Method and portable device for cleaning of surface and well water, and treatment of the same to drinking water |
| 12/24/2008 | CN201169557Y Processing system of oil-containing alkaline waste water |
| 12/24/2008 | CN201168561Y Sewage treatment plant digestion tank marsh gas desulfurizer |
| 12/24/2008 | CN201168514Y Water purifying structure for water purifier |
| 12/24/2008 | CN101328001A Process for biological treatment of organic waste water and apparatus therefor |
| 12/24/2008 | CN101328000A Lichenism system and short-term contact oxidation comprehensive processing sewerage method |
| 12/24/2008 | CN101327999A Integrated domestic sewage rapid purification reaction apparatus |
| 12/24/2008 | CN101327998A Combination type biological contact oxidation reaction system |
| 12/24/2008 | CN101327997A Comprehensive processing method of aquiculture sewerage |
| 12/24/2008 | CN101327996A Treating process of dilute emulsified oily watewater |
| 12/24/2008 | CN101327995A Process for treating waste water of vanadic anhydride production by sodium salt roasting method |
| 12/24/2008 | CN101327994A Method for ozone treatment of cruising ballast water in discharge process |
| 12/24/2008 | CN101327993A Method and apparatus for removing noxious ion in ground water by means of powder sorbent |
| 12/24/2008 | CN101327992A Oil-contaminated water process method and mobile processing equipment thereof |
| 12/24/2008 | CN101326900A Device for industrially producing Procambarus clarki with roe and production process |
| 12/24/2008 | CN100445222C Method of purifying fischer-tropsch derived water |
| 12/24/2008 | CN100445219C Method of purifying Fischer-Tropsch derived water |
| 12/23/2008 | CA2175128C Color removal from effluent waters |
| 12/18/2008 | WO2008151742A1 Process for the purification of an aqueous stream coming from the fischer-tropsch reaction |
| 12/18/2008 | US20080308507 Water Purification Apparatus |
| 12/18/2008 | US20080308493 Wastewater treatment |
| 12/18/2008 | DE10016365B4 Verfahren zur Trinkwasseraufbereitung Method for drinking water treatment |
| 12/18/2008 | CA2690920A1 Process for the purification of an aqueous stream coming from the fischer-tropsch reaction |
| 12/17/2008 | EP2001809A1 Integrated apparatus and system for the treatment of waste fluids and drain networks |
| 12/17/2008 | EP2001808A2 Water conditioner device |
| 12/17/2008 | EP1470080B1 Apparatus and method for separating and filtering particles and organisms from flowing liquids |
| 12/17/2008 | CN201165683Y Pressurization water saver |
| 12/17/2008 | CN201165482Y Daily chemical waste water treatment apparatus |
| 12/17/2008 | CN201163933Y Aquarium |
| 12/17/2008 | CN101323496A Scale hogpen sewage disposal method and integrated equipment thereof |
| 12/17/2008 | CN101323495A Apparatus having rotary activated baccillus contractor for purifying sewage and wastewater and method using the same |
| 12/17/2008 | CN101323494A Carwash circulating water processing system |
| 12/17/2008 | CN101323493A Waste water treatment apparatus based on ozone oxidation and aerating biological filter |
| 12/17/2008 | CN101323492A Underground sea water process method for aquiculture and seedling cultivation |
| 12/17/2008 | CN101323491A Acidic industrial waste water processing method and system |
| 12/17/2008 | CN101323490A Method for zero discharge processing of waste saponification lye of cyclohexanone produced by cyclohexane oxidation technology |
| 12/17/2008 | CN101323489A Sea water advanced pretreatment apparatus |
| 12/17/2008 | CN101323475A Method for removing arsenic and ferrum in printed circuit board acidic etching waste liquor |
| 12/17/2008 | CN101323443A Reclaiming circulation method of polybasic acid inorganic salt solution |
| 12/17/2008 | CN100443675C Household different water supply system |
| 12/17/2008 | CN100443426C Treatment method for waste water containing high content calcium and organic matter |
| 12/17/2008 | CN100443425C Rapid treatment process for middle-small sewage source, and integrated rapid sewage treatment station thereof |
| 12/17/2008 | CN100443424C Chinese medicine production waste water treating system and its waste water treating method |
| 12/17/2008 | CN100443423C Electroplating wastewater treatment reclaiming technique |
| 12/17/2008 | CN100443141C Filter cartridge having bypass feature |
| 12/17/2008 | CN100443034C Showering water cyclic utilization system |
| 12/16/2008 | US7465399 Filtered and unfiltered water ducting in sink fitting |
| 12/16/2008 | CA2267171C Multi-chamber water purification device and method of using the same |
| 12/13/2008 | CA2634801A1 Biological treatment and filtration system equipment |
| 12/11/2008 | WO2008115444A3 High performance, energy efficient system and method for wastewater treatment with resource recovery and reduced residual solids generation |
| 12/11/2008 | US20080302723 Low phosphorous water treatment methods and systems |
| 12/11/2008 | DE102007038750A1 Method for separating mercury from process water, involves treating process water by multi-stage reactor plant with chlamydomonas reinhardtii or similar algae biomass as biosorbent |
| 12/11/2008 | CA2633058A1 Strip diffuser |
| 12/10/2008 | EP1999077A2 Wastewater treatment system and method |
| 12/10/2008 | CN201162530Y Dirty oil and water collection and re-injection apparatus |
| 12/10/2008 | CN201162254Y Filtering reclaimer for domestic wash water |
| 12/10/2008 | CN201162252Y Secondary water recovery utilization apparatus |
| 12/10/2008 | CN201162242Y Fixed water storage apparatus for rainwater collection |
| 12/10/2008 | CN201161965Y Pipeline type biochemical sewage treating apparatus |
| 12/10/2008 | CN201161964Y Integral water purifying device for slight-pollution water |
| 12/10/2008 | CN201161963Y Water purification treatment equipment for household |
| 12/10/2008 | CN201161962Y Apparatus for treating waste water of chlorpyrifos pesticide |
| 12/10/2008 | CN201161961Y Multi-medium rapid filtration type purifier |
| 12/10/2008 | CN201161960Y Continuous biological safety laboratory wastewater treatment system |
| 12/10/2008 | CN201161959Y Ammonia nitrogen treating plant for wastewater from iron oxide pigment production |
| 12/10/2008 | CN201161958Y Energy activated water machine |
| 12/10/2008 | CN201161957Y Organic waste water treating device |
| 12/10/2008 | CN201161956Y Low cost treating system for recycling papermaking wastewater |
| 12/10/2008 | CN201161955Y Mobile sea water desalting apparatus |
| 12/10/2008 | CN201161954Y Apparatus for treating static waste water |
| 12/10/2008 | CN101318758A Air-float and bio-filter combined water treatment process |
| 12/10/2008 | CN101318757A Application of tripolite solution in waste water treatment process |
| 12/10/2008 | CN101318756A Tridimensional oligodynamic wastewater treatment facilities |
| 12/10/2008 | CN101318755A Biological purification facilities for drinking water |
| 12/10/2008 | CN101318754A Petrified waste water treatment process |
| 12/10/2008 | CN101318753A Conduction oil waste water treatment process |
| 12/10/2008 | CN101318752A Treatment method and apparatus for recycling ammonia nitrogen wastewater |
| 12/10/2008 | CN101318751A Solar heating evaporation treatment process and apparatus for garbage |
| 12/10/2008 | CN101318750A Method for treating waste water from acetic acid mercapto- isooctyl ester |
| 12/10/2008 | CN101318749A Photocatalysis oxidation method for treating waste water of anthraquinone dye |
| 12/10/2008 | CN101318748A Process for centralized processing of waste liquor of oil-gas field drill |
| 12/10/2008 | CN101318747A Advanced treatment method for urban water of electric power plant |
| 12/10/2008 | CN101318746A Dyeing and printing, electroplating waste water recycling and processing technique based on membrane technology |
| 12/10/2008 | CN101318745A Reverse osmosis treatent method and device for carbonized wastewater |
| 12/10/2008 | CN101318744A Addition and subtraction process for direct drinking healthy water equipment |
| 12/10/2008 | CN101318743A Wastewater treatment method for lean iron ore sorting factory |
| 12/10/2008 | CN101318732A Process for recycling electroplating waste to prepare pure water |
| 12/10/2008 | CN101318731A Method for removing industrial wastewater with magnetic biological adsorption agent |
| 12/10/2008 | CN100441528C Treatment process for waste water of PVC production |
| 12/10/2008 | CN100441527C Treatment of acid wastewater in cold rolling neutralizing station |
| 12/09/2008 | US7462288 Treatment of waste water or drinking water containing substances that are difficult to decompose (odors, dyes, pesticides) by adding ozone, degassing and removing residual ozone, and irradiating the ozone-free water with ultraviolet radiation in a wavelength 200-300 nm, and in a dose of 50-2,000 J/m2. |
| 12/09/2008 | US7461834 Waste liquid treatment system |
| 12/04/2008 | US20080296228 Wastewater Treatment Method Comprising Decantation and Fine Screening Stages and Device for Carrying Out Said Method |