| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 10/24/2007 | EP1208064A4 Improvements in water generating devices |
| 10/24/2007 | CN200964605Y Intelligent reclaimed water reusing apparatus |
| 10/24/2007 | CN200964375Y Pressure type integrated biological treatment apparatus for sewage |
| 10/24/2007 | CN200964374Y Underearth domestic sewage treatment apparatus |
| 10/24/2007 | CN101058471A Method and device for preparing magnetization high-oxygen water from tap water |
| 10/24/2007 | CN101058470A Membrane integration process for desalinizing sea water |
| 10/24/2007 | CN101058469A supplementary decoloration process for dye-containing waste water |
| 10/24/2007 | CN101058468A Method of processing hydrazine hydrate waste water by ketone linking nitrogen method |
| 10/24/2007 | CN101058467A Method for treating waste water generated in production of refined terephthalic acid |
| 10/24/2007 | CN101058428A Method of reclaiming tantalum-niobium smelt diluting salt |
| 10/24/2007 | CN100344600C Alkali decremental waste water terephthalic acid recovery device |
| 10/24/2007 | CN100344559C Method for cyclically utilizing middle water of public toilet sewage and specialized equipment therefor |
| 10/23/2007 | US7285210 Zero waste reverse osmosis water filtering |
| 10/23/2007 | US7285105 Automatic dialyzer and dialyzing method |
| 10/18/2007 | WO2007116233A1 Electrolytic process for managing urban sewage |
| 10/18/2007 | US20070241053 Treating organic matter-containing waste liquid formed as byproduct in plant for production of oxygen-containing compounds or liquid hydrocarbons by treating waste liquid at a high temperature of 40 degrees C. or higher, while being aerated, using membrane bioreactor equipped with a separation membrane |
| 10/18/2007 | DE19942188B4 Systemfilter für Teichwasser o. dgl. System filter for pond water o. The like. |
| 10/17/2007 | EP1843980A1 Methods and systems for disinfecting potable water supplies |
| 10/17/2007 | CN101054630A Integrated treatment method for the three wastes generated form method of extracting vanadium pentoxide from stone-like coal navajoite |
| 10/17/2007 | CN101054255A Method and device for treating and reclaiming unpowered sewage |
| 10/17/2007 | CN101054254A Method and apparatus for treating emulsified oil waste water |
| 10/17/2007 | CN101054253A Method for treating sewage of organism/zoology lake bank |
| 10/17/2007 | CN101054252A Method and system for treating domestic sewage by artificial wet field |
| 10/17/2007 | CN101054251A Method of preparing biological activity water by fecaluria of livestock and poultry and application thereof |
| 10/17/2007 | CN101054250A Technique for treating garbage percolate by combinated physicochemistry and organism bacterium |
| 10/17/2007 | CN101054249A Multipoint water feeding sewage treatment process by zeolite and organism united adsorption and regeneration |
| 10/17/2007 | CN101054248A Method of treating fluorine-containing edible water of various water quality |
| 10/17/2007 | CN101054247A Integrated processing technique for waste water in breadboard production |
| 10/17/2007 | CN101054246A Water integrative treatment technique for prawn cultivation |
| 10/17/2007 | CN101054245A Method of separating and reclaiming fatty acid in water body by metal chelating resin sorbent |
| 10/17/2007 | CN101054244A Process for treating sewage of oil field |
| 10/17/2007 | CN101053320A Factory culturing method for grouper |
| 10/17/2007 | CN100343187C Treatment process for industrial wastewater of VB12 production and dedicated wastewater treatment machine therefor |
| 10/11/2007 | WO2005096713A3 An electro-coagulation method of color removal in wastewater or water with low power consumption |
| 10/11/2007 | CA2844219A1 Process for sewage water purification |
| 10/10/2007 | EP1183212B1 Reverse osmosis system with biological contamination prevention |
| 10/10/2007 | CN200958070Y Apparatus for treating and utilizing mono-bathing waste water |
| 10/10/2007 | CN200958069Y Large-capacity parallelled second-stage water purifier |
| 10/10/2007 | CN101050639A Low position neutral water recovery and utilizing device matched with toilet |
| 10/10/2007 | CN101050044A Method for carrying out advanced treatment on papermaking sewage |
| 10/10/2007 | CN101050043A Ecological management method for water pollution |
| 10/10/2007 | CN101050042A Equipment and method for treating wastewater difficult to be degraded by biology method of hydrolysis composite membrane |
| 10/10/2007 | CN101050041A Method for governing pollution of river surge |
| 10/10/2007 | CN101050040A Apparatus for treating sewage containing oil, and processing technique |
| 10/10/2007 | CN101050039A Water filter |
| 10/10/2007 | CN101050038A Technique for treating purification in the late stage of seawater desalination |
| 10/10/2007 | CN101050037A Method for treating paper making sewage |
| 10/10/2007 | CN101050036A Method for controlling generation quantity of bromic acid radicle in treating procedure for oxidizing drinking water by ozone |
| 10/10/2007 | CN101050035A Method for treating wastewater of containing oil by using electron beam irradiation |
| 10/10/2007 | CN101050034A Economy type integrated water treatment plant |
| 10/10/2007 | CN100341804C Oil-extracting waste water treatment process |
| 10/10/2007 | CN100341803C Small-sized waste water circular processing device |
| 10/10/2007 | CN100341802C Method for deep treatment of bromine ion-containing drinking water |
| 10/10/2007 | CN100341801C Method for recovering nickel and removing impurity from nickel-plated wastewater |
| 10/10/2007 | CN100341800C Method and apparatus for the treatment of liquid effluents containing pollutants in a suspension |
| 10/10/2007 | CN100341795C Electrolytic water containing dissolved hydrogen |
| 10/09/2007 | US7279843 Inductively powered apparatus |
| 10/09/2007 | US7279093 Module for removing organic compounds from foaming wastewater by oxidation |
| 10/09/2007 | CA2356976C Water treatment process and apparatus |
| 10/04/2007 | WO2007110463A1 Machine for obtaining and purifying water contained in waste |
| 10/04/2007 | WO2007050503A3 Methods and systems for treating wastewater |
| 10/04/2007 | US20070227962 Intake for water desalination systems, and methods of use |
| 10/03/2007 | EP1838627A2 Wastewater treatment plant |
| 10/03/2007 | EP1494525B1 Method for the purification of wastewater in fish farming |
| 10/03/2007 | EP1037856B1 Method and device for the production of pure water |
| 10/03/2007 | CN200955034Y Integrated hospital's sewage treatment apparatus |
| 10/03/2007 | CN200955033Y Simple apparatus for treating paper-making waste liquid |
| 10/03/2007 | CN101048349A Method and apparatus for treating aqueous medium |
| 10/03/2007 | CN101045596A Aeration inner circulation type garbage infiltration liquid two-phase treatment reactor |
| 10/03/2007 | CN101045595A Aminonitrogen treatment system for garbage landfil leachate |
| 10/03/2007 | CN101045594A Strong oxidation sewage treatment process |
| 10/03/2007 | CN101045593A Zero discharge treatment method for coking wast water and its device |
| 10/03/2007 | CN101045592A Treatment method for discharged water containing surfactant |
| 10/03/2007 | CN101045591A Comprehensive treatment method for recovered and used humic acid in garbage infiltration liquid |
| 10/03/2007 | CN100340502C Processing plant for regenerating and using sewage |
| 10/03/2007 | CN100340495C Water treatment compositions |
| 10/02/2007 | US7276167 Method of adding activated carbon in water purification and method of water purification |
| 09/27/2007 | US20070221581 Ultrapure Water Production Plant |
| 09/27/2007 | US20070221577 Method for Electromagnetic Treatment of Water Conferring a Biological Activity Thereon |
| 09/27/2007 | CA2638102A1 Hybrid membrane module, system and process for treatment of industrial wastewater |
| 09/26/2007 | EP1224026B1 Process for the purification of wash water from the production of aromatic acids |
| 09/26/2007 | CN200951982Y Low wall partition upper flow distributing inner diffusion flax sewage multi-stage treatment tank |
| 09/26/2007 | CN200951981Y High purified water treatment purifier for laborating use |
| 09/26/2007 | CN101044664A Vehicle interface |
| 09/26/2007 | CN101044099A Method for treating waste water from plant for producing hydrocarbon or oxygen-containing compound |
| 09/26/2007 | CN101044098A Water purification apparatus |
| 09/26/2007 | CN101041541A Oil soil treatment technique for tank cleaning |
| 09/26/2007 | CN101041540A Treating method for hard-decomposed organic |
| 09/26/2007 | CN101041539A Water quality purification method in source-free water area and facilities |
| 09/26/2007 | CN101041538A Method for treating and reclaiming wastewater of polyester piece goods dyeing and finishing |
| 09/26/2007 | CN101041537A Method for treating percolation liquid of water deficiency area garbage embedding field |
| 09/26/2007 | CN101041536A Integrated waste water treating machine |
| 09/26/2007 | CN101041535A Highly effective dephosphorizing denitrification combined type sewage treatment equipment |
| 09/26/2007 | CN101041534A Electroplating wastewater treatment reclaiming technique |
| 09/26/2007 | CN101041533A Denitrogenation dephosphorizing technique for integral sewage treatment |
| 09/26/2007 | CN101041532A Printing and dyeing waste water treatment method based on film technology |
| 09/26/2007 | CN101041531A Multiple combined technique for high concentration hard-degraded organic waste water treatment |
| 09/26/2007 | CN101041530A Method and algaecide for treating algae bloom by strong-flocculation magnetic polymer |
| 09/26/2007 | CN101041529A Drainge treating agent and method for reducing fluorin ion in drainge |
| 09/26/2007 | CN101041528A Treatment technique for 'calcium carbide acetylene method PVC production wastewater' by aeration flocculation process |