| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
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| 12/11/2013 | CN103435216A Integrated sewage treatment reaction device |
| 12/11/2013 | CN103435215A Tank furnace sewage treatment system |
| 12/11/2013 | CN103435214A Comprehensive treatment method for formaldehyde-containing acid wastewater |
| 12/11/2013 | CN103435213A Three-phase flow separation device for natural gas wastewater |
| 12/11/2013 | CN103435212A Device and method for desalinating seawater by utilizing low-temperature waste heat in steel rolling |
| 12/11/2013 | CN103435211A Purification recovery method of Fischer-Tropsch synthesis water |
| 12/11/2013 | CN103435210A Cutting fluid recycling method |
| 12/11/2013 | CN103435209A Processing method for acidic ash water |
| 12/11/2013 | CN103435208A Multiple-water resource direct drinking water manufacturing equipment |
| 12/11/2013 | CN103435207A Improved oil-water separator |
| 12/11/2013 | CN103435206A Organic wastewater ozonation and ionizing radiation synergetic treatment method and treatment system |
| 12/11/2013 | CN103435205A High-capacity microwave photocatalytic waste water degradation device capable of precisely preventing catalyst loss |
| 12/11/2013 | CN103435204A Expansion method of photocatalytic waste water degradation reactor thoroughly recovering catalyst particles |
| 12/11/2013 | CN103435203A Expansion method of reactor upgraded from photocatalytic waste water degradation catalyst interception mechanism |
| 12/11/2013 | CN103435202A High-capacity photocatalytic waste water degradation reactor intensively intercepting catalyst particles |
| 12/11/2013 | CN103435201A High-capacity photocatalytic wastewater degradation device for rigorously recovering titanium dioxide catalyst particles |
| 12/11/2013 | CN103435200A Capacity expanding method for photocatalysis waste-water degrading reactor capable of realizing UV radiator state self-inspection |
| 12/11/2013 | CN103435199A Capacity-expanding method for photocatalysis waste-water degradation reactor capable of supervising lamp source state |
| 12/11/2013 | CN103435198A Pretreatment methodMethod for pre-treating pesticide wastewater |
| 12/11/2013 | CN103435197A Method and device for treating cooling water of convertor station |
| 12/11/2013 | CN103435196A Method and device for purification treatment of cooling water in converter valve |
| 12/11/2013 | CN103435195A Method for treating acid and salty organic wastewater |
| 12/11/2013 | CN103435194A Rainwater treatment equipment |
| 12/11/2013 | CN103435193A Tubular water purifying plant |
| 12/11/2013 | CN103435192A 水净化设备 Water purification equipment |
| 12/11/2013 | CN103435191A Water purifier |
| 12/11/2013 | CN103435190A Treatment method of waste water with high fluorine content and high chlorine content |
| 12/11/2013 | CN103435189A Method for purifying electroplating wastewater |
| 12/11/2013 | CN103435188A Treatment method of high-arsenic wastewater in copper smelting |
| 12/11/2013 | CN103435187A Method for treating sugar industry wastewater |
| 12/11/2013 | CN103435186A Treatment method for grease-containing wastewater |
| 12/11/2013 | CN103435185A Treatment method for boiler wastewater |
| 12/11/2013 | CN103435184A Heavy metal-containing wastewater treatment method |
| 12/11/2013 | CN103435183A Treatment method of water for spreading hedyotis drink |
| 12/11/2013 | CN103435182A Treatment device of water for spreading hedyotis drink |
| 12/11/2013 | CN103435181A High-efficiency treatment and recycling method of chemical industry wastewater and biochemical effluent |
| 12/11/2013 | CN103435180A Secondary processing system for discharge water of cold rolling plant |
| 12/11/2013 | CN103435179A Drinking water treatment system |
| 12/11/2013 | CN103435178A Small movable oxygen production and water treatment equipment system |
| 12/11/2013 | CN103435177A Suction device for thoroughly cleaning the bottom surface of a structure covered with a non-porous plastic liner and used for containing a body of water for recreational use |
| 12/11/2013 | CN103435176A High-precision filtering system |
| 12/11/2013 | CN103435175A 过滤系统 Filtration systems |
| 12/11/2013 | CN103435174A System and process for treating nickel-containing electroplating wastewater |
| 12/11/2013 | CN103435173A Treatment system and process for treating acidic copper-containing electroplating wastewater |
| 12/11/2013 | CN103435172A White carbon black washing wastewater treatment device |
| 12/11/2013 | CN103435171A Reverse osmosis membrane |
| 12/11/2013 | CN103435170A Household purifier |
| 12/11/2013 | CN103435169A Device and method for recycling waste fiber pulp |
| 12/11/2013 | CN103435092A Resource recovery method of sodium persulfate-sulfuric acid serial copper-containing microetch waste liquor for PCB (Printed Circuit Board) |
| 12/11/2013 | CN103433274A Contaminated soil in-situ remediation system |
| 12/11/2013 | CN103433228A Efficient cleaning device |
| 12/11/2013 | CN103432871A Elution treatment equipment and process for tail gas generated during production of polycrystalline silicon |
| 12/11/2013 | CN103432813A Reverse cleaning system and reverse cleaning method of ceramic filter in iron ore dehydration |
| 12/11/2013 | CN103195271B Comprehensive planting and cultivation circulating system and method |
| 12/11/2013 | CN103195270B Comprehensive planting, cultivation and ensiling circulating system and method |
| 12/11/2013 | CN103058433B Bicirculating catalytic ozone water-treatment device and method |
| 12/11/2013 | CN103011504B Cyclic utilization method of fermentation wastewater produced during industrial production of nosiheptide |
| 12/11/2013 | CN102976550B Method for removing antibiotic resistance gene from water source water |
| 12/11/2013 | CN102964037B Novel sewage treatment method by combined utilization of light filter material biological aerated filter and heavy filter material biological aerated filter |
| 12/11/2013 | CN102910781B Compound treatment system for nitrogen and phosphorus removal of municipal wastewater and treatment method of system |
| 12/11/2013 | CN102874964B Novel rotational-flow air-floatation sewage treatment device |
| 12/11/2013 | CN102849881B Electroplated wastewater comprehensive treatment method |
| 12/11/2013 | CN102815756B Distilled water machine |
| 12/11/2013 | CN102795737B Preparation method of weakly alkaline drinking water |
| 12/11/2013 | CN102795724B Deep well water treatment technology |
| 12/11/2013 | CN102786170B Landscape water treatment method |
| 12/11/2013 | CN102765856B Short-range nitrification-denitrification dephosphorization and denitrogenation method for reinforced low-carbon/phosphorus-ratio sewage |
| 12/11/2013 | CN102745828B Device and method for preparing slurry liquid by utilizing seawater |
| 12/11/2013 | CN102730861B Recycling system for surface treatment of phosphorus-containing electroless nickel plating solution composition by wet process |
| 12/11/2013 | CN102701547B Advanced municipal sewage treatment method |
| 12/11/2013 | CN102652563B Deep-seawater containing health-care drinking liquid and preparation method thereof |
| 12/11/2013 | CN102642981B Denitrification dephosphorization device |
| 12/11/2013 | CN102633397B Sewage treatment device and sewage treatment method |
| 12/11/2013 | CN102627376B Distributed sewage integrated artificial wetland treatment facility and method |
| 12/11/2013 | CN102616992B Method for removing antibiotics resistance genes in waste water |
| 12/11/2013 | CN102557164B Recycling method of high-salt industrial wastewater containing glycerin |
| 12/11/2013 | CN102502777B Method for preparing silver nitrate with various types of silver-ion-containing waste water as raw materials |
| 12/11/2013 | CN102485670B Processing method of citric acid production wastewater |
| 12/11/2013 | CN102476874B Method for treating circulating water having wax oil leaked therein |
| 12/11/2013 | CN102464404B Method and system for remediation and treatment of polluted river water |
| 12/11/2013 | CN102451588B Solid-liquid separation filter, water sample pretreatment device and operating methods thereof |
| 12/11/2013 | CN102329019B Ultralow-pressure membrane separation device for desalinating bitter and salty water |
| 12/11/2013 | CN102020552B Method of using electrically driven membrane separation technology for the recycle of acrylic acid from wastewater generated in production of acrylic acid ester |
| 12/10/2013 | CA2533628C System and method for treatment of acidic wastewater |
| 12/06/2013 | CA2779705A1 System and method of greywater recovery and reuse |
| 12/05/2013 | WO2013177703A1 Wastewater treatment process with moving bed bioreactor (mbbr) |
| 12/05/2013 | WO2013177632A1 Water treatment |
| 12/05/2013 | US20130319922 Compact and mobile equipment and filtering system for potabilization of polluted water |
| 12/04/2013 | EP2668254A1 Method for treating process water from a plant for the hydrothermal carbonisation of renewable raw materials and organic residues |
| 12/04/2013 | CN203319836U Oily sludge fast emulsion breaking and dehydration device |
| 12/04/2013 | CN203319831U Sewage treating device |
| 12/04/2013 | CN203319830U Household waste leachate disposal device |
| 12/04/2013 | CN203319829U Sewage treatment and recycling integrated device |
| 12/04/2013 | CN203319828U Combined ecological wastewater treatment system |
| 12/04/2013 | CN203319827U Sewage treatment device |
| 12/04/2013 | CN203319826U Dyeing wastewater integrated biochemical equipment |
| 12/04/2013 | CN203319825U Multi-point water inlet aeration anoxia and aerobiotic efficient denitrification and phosphorus removing system |
| 12/04/2013 | CN203319824U Upflow type self-oxygenated efficient ecological percolation bed |
| 12/04/2013 | CN203319823U Cellulose ether wastewater treatment equipment |
| 12/04/2013 | CN203319822U Membrane biological reaction device for reinforcing treatment of domestic sewage |