| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 08/28/2013 | CN203159361U Sterilizing agent device of desalted-water treatment system in power plant |
| 08/28/2013 | CN203159360U RG type vertical sedimentation and air flotation integrated water purifier |
| 08/28/2013 | CN203159359U An operation device for a circulating cooling water system with a high concentration ratio |
| 08/28/2013 | CN203159358U Reverse osmosis (RO) water purification device with water leakage protection function |
| 08/28/2013 | CN203159357U Cutting and grinding wastewater treatment device |
| 08/28/2013 | CN203159356U System for recovering oil phase of abandoned oil-based drilling fluid and completion fluid |
| 08/28/2013 | CN203159355U Pump-free energy-saving water purification system |
| 08/28/2013 | CN203159354U Industrial waste water recycling device |
| 08/28/2013 | CN203159353U Electroplating wastewater treatment system |
| 08/28/2013 | CN203159352U Improved oil-water separator |
| 08/28/2013 | CN203159351U Improved oil-water separation device |
| 08/28/2013 | CN203159350U Sewage treating pond |
| 08/28/2013 | CN203159349U Novel multistage oily wastewater treatment device |
| 08/28/2013 | CN203159348U Two-stage cyclone air flotation separator |
| 08/28/2013 | CN203159347U Train water circulation and regeneration device |
| 08/28/2013 | CN203159346U Ammonia nitrogen wastewater treatment and recovery system |
| 08/28/2013 | CN203159345U Concentration system of sterile solution |
| 08/28/2013 | CN203159344U 净水器 Water Purifier |
| 08/28/2013 | CN203159343U Water and electricity separated water purifier |
| 08/28/2013 | CN203159342U Reverse-osmosis water inlet/outlet device |
| 08/28/2013 | CN203159341U A dismountable ultrafiltration water purifier |
| 08/28/2013 | CN203159335U Campus landscape water body ecological maintenance system |
| 08/28/2013 | CN203159322U Anaerobic tank and sewage treatment system thereof |
| 08/28/2013 | CN203159306U Oxygenated water generator |
| 08/28/2013 | CN203159288U Reverse osmosis water purifier |
| 08/28/2013 | CN203159287U Water purifying device |
| 08/28/2013 | CN203159280U Oil separator and sewage treatment system containing same |
| 08/28/2013 | CN203159269U Multifunctional ecological processor |
| 08/28/2013 | CN203154955U Multi-functional efficient water purifier |
| 08/28/2013 | CN203154950U Water filter structure |
| 08/28/2013 | CN203153490U Multifunctional, clean and ecological vegetable and stuffing chopping device |
| 08/28/2013 | CN103266071A Fenpropathrin pesticide residue degrading bacterium, biological bactericide based on fenpropathrin pesticide residue degrading bacterium and application |
| 08/28/2013 | CN103265152A Domestic sewage treatment method |
| 08/28/2013 | CN103265151A Treatment method of heavy metal wastewater |
| 08/28/2013 | CN103265150A Method for flocculation processing after adsorption of polluting positive ions by microorganisms |
| 08/28/2013 | CN103265149A Power supply-free electric adsorption wastewater treatment device and method |
| 08/28/2013 | CN103265148A Method for treating wastewater in epoxy plasticizer production |
| 08/28/2013 | CN103265147A Nitrogen and phosphorus removal sewage treatment device |
| 08/28/2013 | CN103265146A Treatment process and equipment of paper-making wastewater |
| 08/28/2013 | CN103265145A Method for purifying river water with low load and low temperature by using natural biofilm reactor |
| 08/28/2013 | CN103265144A Town wastewater treatment process and device with intensified nitrogen and phosphorus removing function |
| 08/28/2013 | CN103265143A Pipeline type micro pollution water source water purification process |
| 08/28/2013 | CN103265142A Method for treating acidic mine waste water |
| 08/28/2013 | CN103265141A Acidic mine waste water treatment system and use method thereof |
| 08/28/2013 | CN103265140A Solar line focusing-wind energy synergetic ultrasonic sea water desalting device and method |
| 08/28/2013 | CN103265139A Method and device for quickly treating alcohol-containing wastewater of gas field |
| 08/28/2013 | CN103265138A Capacity expansion method for low-cavitation high-frequency vibration wave assisted membrane cleaning wastewater photodegradation reactor |
| 08/28/2013 | CN103265137A Photocatalytic wastewater degradation high-capacity reactor by means of electrostatic repulsion principle |
| 08/28/2013 | CN103265136A Wastewater photocatalytic degradation reactor capacity expanding method carefully recovering catalyst particles |
| 08/28/2013 | CN103265135A Rigorous-catalyst-particle-interception wastewater microwave photocatalysis degradation reactor capacity expanding method |
| 08/28/2013 | CN103265134A Automatic and energy-efficient aeration filter machine |
| 08/28/2013 | CN103265133A Recycling method of papermaking advanced treatment wastewater based on chemical decalcification |
| 08/28/2013 | CN103265132A Method for treating heavy metal wastewater by virtue of conducting film |
| 08/28/2013 | CN103265131A System and method for fine treatment of condensation water |
| 08/28/2013 | CN103265130A Physical oil-water mixed liquid separator |
| 08/28/2013 | CN103265129A Method for removing heavy metal Sb in water by Friedel's salt |
| 08/28/2013 | CN103265128A Internal thread flange nickel-base coupling insulation sea water desalting device |
| 08/28/2013 | CN103263827A Microenvironment intelligent ecological-purification water-saving system |
| 08/28/2013 | CN103262824A Mariculture aseptic treatment equipment and method |
| 08/28/2013 | CN102897953B Integrated deep treatment method of polyformaldehyde wastewater |
| 08/28/2013 | CN102690028B Deepwater oxidization sewage treatment technology integrated with high-rise building |
| 08/28/2013 | CN102674630B Steel rolling wastewater treatment method |
| 08/28/2013 | CN102674628B Sewage treatment and regeneration cyclic utilization device and sewage treatment and regeneration cyclic utilization method |
| 08/28/2013 | CN102659279B Sewage treatment system for constructed wetland and application |
| 08/28/2013 | CN102659276B Method for comprehensively treating cyanided cadmium plating waste solution |
| 08/28/2013 | CN102642972B Zero-discharging treatment method of high concentration electroplating wastewater |
| 08/28/2013 | CN102642951B Method combining oxidizing composite reagent and activated carbon to remove arsenic in water |
| 08/28/2013 | CN102642950B Device utilizing ozone to carry out oxidization decoloration treatment |
| 08/28/2013 | CN102583912B Technology and system for treating roasted eel industrial sewage |
| 08/28/2013 | CN102583815B Method for treating waste liquid produced during on-line chemical oxygen demand (COD) determination with potassium dichromate method |
| 08/28/2013 | CN102583805B Guide-type filter membrane component |
| 08/28/2013 | CN102515383B Water-saving clarification and purification system and process thereof |
| 08/28/2013 | CN102503048B System and method for treating high-concentration sewage generated by directly liquefying coal |
| 08/28/2013 | CN102417258B Device and method for treating pulping wastewater by catalyst and ozone |
| 08/28/2013 | CN102417257B Technical method for treating and recovering beer process wastewater |
| 08/28/2013 | CN102417252B Adjustable mechanical flocculation reaction method for enhancing coagulation by using grids |
| 08/28/2013 | CN102381800B Method for treatment of oily sewage at bottom of bilge of vessel and method for preparation of magnetic activated carbon for decontamination of oily sewage |
| 08/28/2013 | CN102381796B Solar photovoltaic photothermal integrated device for seawater desalination |
| 08/28/2013 | CN102381779B Method for controlling production of algae chlorinated disinfection byproduct by using potassium permanganate and calcium ion |
| 08/28/2013 | CN102358673B Five-section type medical wastewater intelligent treatment machine and assembly controller thereof |
| 08/28/2013 | CN102358670B Intelligent five-segment medical waste water treating machine and intelligent dosing control thereof |
| 08/28/2013 | CN102358669B Five-stage medical waste water intelligent treating machine and treating process thereof |
| 08/28/2013 | CN102358643B Apparatus for recovering and reusing electroplating rinse water, and method thereof |
| 08/28/2013 | CN102329018B Device for desalting sea water by low-pressure membrane method |
| 08/28/2013 | CN102320997B Para-acetylsulfanilamide synthesis method combined with waste water treatment |
| 08/28/2013 | CN102311204B Treatment method for wastewater generated by processing high-acid crude oil |
| 08/28/2013 | CN102311203B Pretreatment method for high-acid inferior crude oil processing wastewater |
| 08/28/2013 | CN102285736B Reverse osmosis pre-treatment method for recycling reclaimed water in electric power plant |
| 08/28/2013 | CN102256895B Method for the upgrading of the gas mixture from a deaerator associated with the production of a synthesis gas, and plant for implementing same |
| 08/28/2013 | CN102206016B Stage purification method for black and odorous river water |
| 08/28/2013 | CN101774711B Method for reducing chlorite as disinfection by-product of drinking water |
| 08/22/2013 | WO2013122593A1 High efficiency water-softening process |
| 08/22/2013 | WO2013121050A1 A method and apparatus for sanitising a treated water supply of unsatisfactory quality to produce a potable water supply of satisfactory quality |
| 08/22/2013 | WO2013120147A1 Improved water sanitisation |
| 08/22/2013 | US20130213889 Method for high efficiency reverse osmosis operation |
| 08/22/2013 | US20130213888 Cooling tower blow-down, groundwater and wastewater re-use process and system |
| 08/22/2013 | US20130213883 Treatment of municipal wastewater with anaerobic digestion |
| 08/22/2013 | DE102012003261A1 Cooling water treatment for precipitating glass particles and removing contaminants e.g. lubricating- or polishing agent from the cooling water during glass processing, comprises flocculating using powdered flocculating agent |
| 08/22/2013 | DE102009037161B4 Anlage und Verfahren zur Wiederverwertung von Grauwasser System and method for recycling of gray water |
| 08/21/2013 | EP2627608A1 Water treatment in at least one membrane filtration unit for enhanced hydrocarbon recovery |