| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 07/12/2006 | CN1802319A Combination of compressor and permanent magnet motor for sewage aeration |
| 07/12/2006 | CN1800060A A/O type biological aeration capacity-enlarging method for sewage water treatment factory |
| 07/12/2006 | CN1800059A Capacity enlarging design and calculation method for sewage water treatment factory adopting A/O type biological aeration |
| 07/12/2006 | CN1800058A Novel sewage water treatment method |
| 07/12/2006 | CN1800056A Dye decolored degradation treatment method for dye-containing waste water |
| 07/12/2006 | CN1800055A Modified artificial swamp sewage treatment method |
| 07/12/2006 | CN1800054A Aquatic floating plant planting method |
| 07/12/2006 | CN1800053A Method for carrying out nitrite denitrification using granular sludge |
| 07/12/2006 | CN1800052A Integral membrane biological reaction device for water treatment |
| 07/12/2006 | CN1800051A Almond-processing waste water treatment process using aerobic- anoxia-aerobic method |
| 07/12/2006 | CN1800050A Waste water treatment method of anerobic- anoxia-aerobic-coagulated precipitation |
| 07/12/2006 | CN1800049A Bionic aquatic weed and its intensified purification method for water quality |
| 07/12/2006 | CN1800048A Quick-speed fermenting tank |
| 07/12/2006 | CN1800047A Brown alga extract and its extracting method |
| 07/12/2006 | CN1800034A Method for suppressing algae growth using giantreed |
| 07/12/2006 | CN1800033A Method for harnessing nutrient-enriched water body |
| 07/12/2006 | CN1264387C Apparatus for manufacturing organic EL display device and method using same |
| 07/12/2006 | CN1263803C Modified nano SiOx composite polyurethane foam and its preparation method and use |
| 07/12/2006 | CN1263690C Biological cleaning treating device and treating method |
| 07/12/2006 | CN1263688C Composite artificial wet land denitrifying and dephosphorizing method for living waste water vertical fluid-horizontal fluid |
| 07/11/2006 | US7074356 Use of pre-sorted plastic material wastes and process for producing a granular material as a filter for the purification of sewage |
| 07/11/2006 | US7074330 Plant biomass management system and method |
| 07/11/2006 | US7074328 Mixing, aeration or oxygenating apparatus |
| 07/11/2006 | CA2488786C Process for treatment of heavy effluent |
| 07/11/2006 | CA2271170C A gas/liquid mixing apparatus and method |
| 07/06/2006 | WO2006070885A1 Method of detoxifying harmful compound |
| 07/06/2006 | WO2006070397A1 Biological neutralization of highly alkaline textile industrial wastewater |
| 07/06/2006 | WO2006070391A1 Biological process for reducing chemical and biochemical oxygen demand of pulp and paper industrial effluent |
| 07/06/2006 | WO2006070388A1 Biotechnological process for neutralizing alkaline beverage industrial waste water |
| 07/06/2006 | WO2006069771A1 Control device for wastewater and method for controlling quality parameters of wastewater |
| 07/06/2006 | WO2006069770A1 Device for treating wastewater |
| 07/06/2006 | WO2006069769A1 Multiport valve for wastewater treatment plant |
| 07/06/2006 | US20060150284 Gene expression element specific for Ah receptor ligands and heterologous gene expression systems dependent on the element |
| 07/06/2006 | US20060150279 Bioremediation with transgenic plants |
| 07/06/2006 | US20060144785 Constructed wetlands system, treatment apparatus and method |
| 07/06/2006 | US20060144784 Aerobic and anaerobic processes; reducing nitrate concentration in aquarium water |
| 07/06/2006 | US20060144783 First treating with ozone to disrupt cell walls of undesired microorganisms, releasing nutrients from within the microorganisms for bioassimilation by aquatic plants, then ozonating the aquatic plant-treated water again |
| 07/06/2006 | DE202006005781U1 Small-scale waste water treatment assembly for a remote building has air lift pump linked to permeate side of membrane module |
| 07/06/2006 | DE202006005521U1 Small-scale waste water treatment plant for a remote settlement incorporates height-adjustable water pump and aeration unit |
| 07/06/2006 | DE102004063720A1 Kontrollvorrichtung für Abwasser und Verfahren zur Kontrolle von Qualitätsparametern von Abwasser Control device for sewage and procedures for quality parameters of wastewater |
| 07/06/2006 | DE102004063716A1 Mehrwegeventil für Kläranlagen Multi-way valve for sewage treatment |
| 07/05/2006 | EP1676817A1 Submergible membrane filtration module |
| 07/05/2006 | EP1676816A1 Apparatus for the aerobic biological treatment of waste waters |
| 07/05/2006 | EP1675969A2 Nitrite-oxidizing bacteria and methods of using and detecting the same |
| 07/05/2006 | CN2793065Y Contacting flocculating and depositing reaction pool |
| 07/05/2006 | CN2793064Y Netted biological rotary disks |
| 07/05/2006 | CN2793063Y Impelling aerator |
| 07/05/2006 | CN2793062Y Integrated biological sewage denitrifying descaling apparatus |
| 07/05/2006 | CN2793050Y Energy-saving microwave water purifier |
| 07/05/2006 | CN1798704A Treating material for polluted water, method for production thereof and use thereof |
| 07/05/2006 | CN1796535A Nutrition intensifier of microbe |
| 07/05/2006 | CN1796314A Method for processing urban sewage deeply |
| 07/05/2006 | CN1796313A Processing plant for regenerating and using sewage |
| 07/05/2006 | CN1796306A System and method of anaerobic biological treatment for waste water |
| 07/05/2006 | CN1796305A Biomembrane draining treament system and treating method |
| 07/05/2006 | CN1796304A Sewage treatment facility integrative anaerobic baffle¿Caerobic-adsorptive regeneration |
| 07/05/2006 | CN1796303A Broken stream type aerating apparatus of laying air in two layers |
| 07/05/2006 | CN1796302A Dynamic aerating apparatus |
| 07/05/2006 | CN1262645C Method for preparing pycnoporus samguineus GW fungal laccase |
| 07/05/2006 | CN1262493C Water treatment device |
| 07/05/2006 | CN1262492C Method and apparatus for treating and reusing domestic wastewater |
| 07/05/2006 | CN1262491C High-efficiency treatment method of sewage and waste water and apparatus |
| 07/05/2006 | CN1262485C Method for preparing composite silicate bacterium flocculant |
| 07/04/2006 | US7070983 Detoxification of wastes |
| 07/04/2006 | US7070693 Process for treating septage |
| 07/04/2006 | US7069690 Demetallization, dephosphatizing; water pollution control |
| 06/29/2006 | WO2006068835A1 Multiple soil-layering system for wastewater purification |
| 06/29/2006 | WO2006066407A1 Method for treatment of highly-loaded effluent |
| 06/29/2006 | US20060138048 Method for treating a contaminated fluid, system for treating a contaminated fluid, and method for making a biomass carrier suitable for treating a contaminated fluid |
| 06/29/2006 | US20060138047 Filling a single aeration tank with high mass loading in which raw or mechanically pretreated effluent is mixed, without prior settling, with a free microbial culture of the activated sludge type, growing in a lightly aerated medium |
| 06/29/2006 | US20060138046 Apparatus for and a method of treating organic waste |
| 06/29/2006 | US20060138045 Biological process for reducing chemical and biochemical oxygen demand of pulp and paper industrial effluent |
| 06/28/2006 | EP1674430A1 Apparatus for the treatment of wastewater and its use |
| 06/28/2006 | EP1674429A1 Apparatus for the treatment of wastewater and its use |
| 06/28/2006 | CN2791032Y Built-in iron-scurf layer anaerobiclaerobic domestic sewage denitrifying-phosphorus-removing device |
| 06/28/2006 | CN2791031Y Device for purifying polluted river water |
| 06/28/2006 | CN2791030Y Microbial reactor for water treatment |
| 06/28/2006 | CN2791029Y System deodorizing device |
| 06/28/2006 | CN2791028Y Aerobic baffle reacting device |
| 06/28/2006 | CN2791027Y Three-phase biological fluidized bed reactor for sewage treatment |
| 06/28/2006 | CN2791024Y Integrated sewage biological treating device |
| 06/28/2006 | CN2791018Y Multifunctional zeolite composite material for water treatment |
| 06/28/2006 | CN2790559Y Composite three-phase separator |
| 06/28/2006 | CN1793354A Process for fixation of white rot fungus for inhibiting varied bacteria growing in non-sterilizing environment |
| 06/28/2006 | CN1793015A Process for preparing light biological film ceramic carrier |
| 06/28/2006 | CN1792897A Process for depth treating total nitrogen of urban sewage |
| 06/28/2006 | CN1792896A Process and apparatus for treating petrochemical sewage by coupling ozone oxidation in aerating biological filtering pool |
| 06/28/2006 | CN1792895A Tech. for biochemical treating sulphur-containing chark waste water of high concentrating high ammonia nitrogen |
| 06/28/2006 | CN1792894A Process for treating yellow ginger saponin waste water by hydrochloric acid method |
| 06/28/2006 | CN1792890A Process and apparatus for treating active dyeing waste water by white rot fungi biological membrane method |
| 06/28/2006 | CN1792889A Application of chlorine resisting strain No.3 |
| 06/28/2006 | CN1792888A Application of chlorine resisting strain No.1 |
| 06/28/2006 | CN1792887A Water purified process for polluted water in-situ |
| 06/28/2006 | CN1792886A Tech. for treating water from city sewage treating plant by quartz sand using artificial wet land |
| 06/28/2006 | CN1792885A Tech., for treating water from city sewage treating plant by zeolite and limestone using artificial wet land |
| 06/28/2006 | CN1792884A Process for purifying landscape water by algoe |
| 06/28/2006 | CN1792883A Automatic aeration system for underflow type artificial wet land |
| 06/28/2006 | CN1792882A Submerged plant reacting apparatus for controlling regenerating water nourishing |
| 06/28/2006 | CN1792881A Process for inhibiting algoe in regenerating water using chuanman algoe |
| 06/28/2006 | CN1792880A Tech. for treating waste water of fruit juice processing |