| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 02/05/2014 | CN103553261A Self-purifying device for repair of water body pollution of rivers and lakes |
| 02/05/2014 | CN103553260A Synergic extraction and negative-pressure flash evaporation dephenolizing method of high-concentration semi-coke phenolic wastewater |
| 02/05/2014 | CN103553259A Sea water desalination and purification device |
| 02/05/2014 | CN103553258A Safe recycling treatment method of waste iron/steel pickling acid |
| 02/05/2014 | CN103553257A Circular treatment process and circular treatment system for rare-earth wastewater |
| 02/05/2014 | CN103553256A Recycling treatment process for chlorohydric acid pickling liquid waste |
| 02/05/2014 | CN103553255A Method for treating and utilizing wastewater in synthesis of tebufenozide insecticide |
| 02/05/2014 | CN103553254A System for wastewater oxidation treatment by using supercritical circulating water |
| 02/05/2014 | CN103553253A Ultraviolet sterilization filtering unit |
| 02/05/2014 | CN103553252A Water purifier for tap |
| 02/05/2014 | CN103553251A Method for treating composite polluted underground water under low temperature condition |
| 02/05/2014 | CN103553250A Solar sewage treatment device |
| 02/05/2014 | CN103553249A Method for acid separation and heavy metal recovery in electroplating waste liquor |
| 02/05/2014 | CN103553248A Heavy metal waste acid and wastewater resource recycling method and device |
| 02/05/2014 | CN103553247A Method for removing algae by using inorganic solid peroxide for inducing peroxymonosulfate to generate singlet oxygen |
| 02/05/2014 | CN103553246A Device and method for softening hard water by using carbon dioxide in flue gas |
| 02/05/2014 | CN103553245A Method for treating low- roxarsone waste water by efficient adsorption treatment |
| 02/05/2014 | CN103553244A Method for purifying refuse leachate by coupling inorganic gradient adsorption with organic flocculation |
| 02/05/2014 | CN103553243A Boiler exhaust gas and wastewater treatment technology |
| 02/05/2014 | CN103553242A Method for recycling aluminum alloy section production wastewater and recovering sludge |
| 02/05/2014 | CN103553241A Low-cost saving type water purification equipment |
| 02/05/2014 | CN103553240A Internal and external filtration type water purification equipment |
| 02/05/2014 | CN103553239A Rotary filtration water purifying equipment |
| 02/05/2014 | CN103553238A Versatile water purifying equipment |
| 02/05/2014 | CN103553237A Process system for efficiently removing ammonia nitrogen in surface water |
| 02/05/2014 | CN103553236A Process system for removing ammonia nitrogen/alga in surface water by enhancing conventional treatment |
| 02/05/2014 | CN103553235A Filter element for purifying running water |
| 02/05/2014 | CN103553234A Method for treating sewage generated during fluorescent penetrant testing |
| 02/05/2014 | CN103553233A Bucket-free water-saving water purifier |
| 02/05/2014 | CN103553232A Method for producing pharmaceutical water |
| 02/05/2014 | CN103553231A High-quality circulating filtration water purifying equipment |
| 02/05/2014 | CN103553230A High-efficiency water purification equipment |
| 02/05/2014 | CN103553229A Multifunctional water purifying equipment |
| 02/05/2014 | CN103553228A Installation-free portable water purifier |
| 02/05/2014 | CN103553227A Ultrafiltration water purifier |
| 02/05/2014 | CN103553226A 净水器 Water Purifier |
| 02/05/2014 | CN103553225A Exquisite direct-drinking water purifier |
| 02/05/2014 | CN103552786A Swilling barrel adopting wind and solar complementary power generation as power supply source |
| 02/05/2014 | CN103551025A Harmless treatment method of arsenic-containing flue dust |
| 02/05/2014 | CN103550970A Multi-component alloy water purification mesh material and water purification filter element made from same |
| 02/05/2014 | CN102976564B Continuous rural domestic waste water treating device |
| 02/05/2014 | CN102897977B Method for treating domestic sewage in industrial concentration districts of villages and small towns |
| 02/05/2014 | CN102874951B Zinc-layer uniformity test wastewater treatment equipment |
| 02/05/2014 | CN102863117B Process for treating high concentrated organic wastewater |
| 02/05/2014 | CN102849904B Method for reducing total phosphorus in polluted river |
| 02/05/2014 | CN102849863B Food waste separating apparatus |
| 02/05/2014 | CN102795730B Application of brine to boiler softened water in stead of industrial salts |
| 02/05/2014 | CN102491549B Portable vehicle-mounted water purifier |
| 02/05/2014 | CN102452754B Method for preparing alkaline ionized water by electroreduction |
| 02/05/2014 | CN101759308B Combined water treatment machine |
| 02/04/2014 | US8641905 Method for high efficiency reverse osmosis operation |
| 02/04/2014 | US8641902 Method for wastewater treatment and wastewater treatment system |
| 02/04/2014 | CA2834163A1 Desalination system and method for desalinating saltwater |
| 01/30/2014 | WO2014016797A1 Process for reducing the production of sludge by municipal or industrial wastewater purification plants, and equipment for the implementation thereof |
| 01/30/2014 | WO2014016773A1 Method for treating alkaline wastewater |
| 01/30/2014 | WO2014015428A1 Separator and composting system and method |
| 01/30/2014 | US20140030797 Utilization of Ferric Ammonium Citrate for In Situ Remediation of Chlorinated Solvents |
| 01/30/2014 | DE102012212955A1 Verfahren zur magnetischen Abtrennung von Fällungsprodukten aus Fluiden mit Hilfe von wiederverwendbaren, superparamagnetischen Kompostpartikeln A method of magnetic separation of precipitates from fluids with the aid of re-usable, superparamagnetic particles compost |
| 01/29/2014 | EP2690071A1 Method for treating alkaline wastewater |
| 01/29/2014 | CN203413899U Cooling water temperature reducing and purifying system of vacuum aluminum plating machine |
| 01/29/2014 | CN203411444U Novel rural sewage treatment device |
| 01/29/2014 | CN203411443U Marine product processing wastewater treatment device |
| 01/29/2014 | CN203411442U Papermaking wastewater advanced treatment and recycling device |
| 01/29/2014 | CN203411441U MBR (Membrane Biological Reactor) water treatment device with double-electrolysis combination |
| 01/29/2014 | CN203411440U Novel combined sewage treatment pond |
| 01/29/2014 | CN203411439U Biologic garbage leaching liquor treatment device with simultaneous denitrification and decarbonization function |
| 01/29/2014 | CN203411438U Hospital sewage treatment system |
| 01/29/2014 | CN203411437U Excrement purifying treatment system for mobile toilet |
| 01/29/2014 | CN203411436U Skid-mounted treatment recycling device for domestic sewage on drilling site |
| 01/29/2014 | CN203411435U MBR (membrane bioreactor) membrane sewage treatment system |
| 01/29/2014 | CN203411434U Glyphosate pesticide wastewater treatment system |
| 01/29/2014 | CN203411433U Nitrogen and phosphorus removal system for waste water |
| 01/29/2014 | CN203411432U System for treating municipal waste water by using sea water |
| 01/29/2014 | CN203411431U Boiler wastewater filter system |
| 01/29/2014 | CN203411430U Combined water filtering element |
| 01/29/2014 | CN203411429U Reactor for removing iron and impurities through continuous settlement of fluid |
| 01/29/2014 | CN203411428U Device for recovering organic solvent from organic wastewater in electronic manufacturing industry |
| 01/29/2014 | CN203411427U Fracturing flow-back fluid treatment device |
| 01/29/2014 | CN203411426U Zero-emission mixed waste lye treatment system |
| 01/29/2014 | CN203411425U Oil field fracturing flow-back liquid wastewater treatment equipment |
| 01/29/2014 | CN203411424U Baffled pulsed ultrasonic micro-electrolysis reactor |
| 01/29/2014 | CN203411423U Electric-flocculation and dissolved gas gas-flotation complete equipment |
| 01/29/2014 | CN203411422U Device for treating chemical wastewater with salinity higher than 10% |
| 01/29/2014 | CN203411421U Ozone ferro-manganese-removal flocculation filtering tank |
| 01/29/2014 | CN203411420U Water purifying tube |
| 01/29/2014 | CN203411419U Full-automatic waste acid processing device |
| 01/29/2014 | CN203411418U Device for treating de-electroplating wastewater containing electroplated reserve salt |
| 01/29/2014 | CN203411417U Backflow continuous type filtering purifier |
| 01/29/2014 | CN203411416U Small-sized reverse-osmosis water purifier for offshore operations |
| 01/29/2014 | CN203411415U Small-sized seawater desalinating device |
| 01/29/2014 | CN203411414U Unpowered emergency drinking water in-situ purification treatment equipment |
| 01/29/2014 | CN203411413U Oily wastewater recycling device |
| 01/29/2014 | CN203411412U Split oil isolator |
| 01/29/2014 | CN203411411U Oil isolating and sewage lifting integration device |
| 01/29/2014 | CN203411410U Split oil separating and sewage lifting integration device |
| 01/29/2014 | CN203411409U Pesticide wastewater treatment device |
| 01/29/2014 | CN203411408U Water purification machine |
| 01/29/2014 | CN203411407U Portable water purifier |
| 01/29/2014 | CN203411406U Sewage treatment device |
| 01/29/2014 | CN203411405U Sewage purifying tank |