| Patents for C02F 3 - Biological treatment of water, waste water, or sewage (46,453) |
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| 12/02/2009 | CN101591065A Sewage double-biomembrane deep treatment technology |
| 12/02/2009 | CN101591064A Anaerobic built-in zero-valent iron reactor |
| 12/02/2009 | CN101591063A Integrated domestic sewage treatment device |
| 12/02/2009 | CN101591062A Oxidation ditch guide oxygen increasing device |
| 12/02/2009 | CN101591061A Oxidation ditch sewage treatment system for simple oxidation pretreatment |
| 12/02/2009 | CN101591060A Filler applied to sewage treatment device |
| 12/02/2009 | CN101591055A Method for strengthening treatment of printing and dyeing wastewater by printing and dyeing sludge firing product and acid leaching solution thereof |
| 12/02/2009 | CN101591054A Compound color-odor removal coagulating agent, method for producing same and process thereof used for sewage treatment of leather |
| 12/02/2009 | CN101591040A Method for preventing and controlling water bloom pollution organisms in eutrophicated water body |
| 12/02/2009 | CN101590343A Filter structure |
| 12/02/2009 | CN100564291C Composite ecotype micro-electrolysis mobile water body in-situ repairing device |
| 12/02/2009 | CN100564290C Integrated processing technique for retting-hemp waste water and equipment thereof |
| 12/02/2009 | CN100564289C Plural serial stage methane tank for treating culture waste-water |
| 12/02/2009 | CN100564288C Device and method for reclaiming water from water with organic matter |
| 12/02/2009 | CN100564282C Wastewater treatment system and method for removing carbon, nitrogen, phosphor in wastewater |
| 12/02/2009 | CN100564281C Inversed baffled aerobic particle sewage sludge reactor |
| 12/02/2009 | CN100564280C High-loading logical filter capable of backwashing |
| 12/02/2009 | CN100564277C Method and apparatus for the purification of ground water |
| 12/02/2009 | CN100563803C Device for inflating liquids, particularly waste water |
| 12/02/2009 | CN100563798C Membrane abstersion method in membrane separation activated sludge process |
| 12/01/2009 | US7625491 filtering liquids using scouring air bubbles produced by aerators to clean or inhibit the fouling of membranes in immersed membrane filters; ultrafiltration |
| 12/01/2009 | US7625490 Use of a magnetic separator to biologically clean water |
| 12/01/2009 | US7625489 Methods of treating water using devices for water treatment |
| 12/01/2009 | US7625486 Devices for water treatment |
| 12/01/2009 | US7625485 Stormwater bioretention filtration system with overflow/bypass capability |
| 12/01/2009 | US7625484 Water treatment apparatus |
| 12/01/2009 | CA2471387C Diffuser and an aeration apparatus equipped with such a diffuser |
| 11/26/2009 | WO2009143506A1 Nitrification and denitrification of digested biosolids |
| 11/26/2009 | WO2009142202A1 System for feeding aquatic organisms and cleaning unit for water tank |
| 11/26/2009 | WO2009141463A1 Floating cell and island with a floating macrophyte filter |
| 11/26/2009 | WO2009141462A1 System for purifiying heavily contaminated water that prevents the survival and development of plant species |
| 11/26/2009 | WO2009141195A1 Process for the biological processing of pool water |
| 11/26/2009 | WO2009140970A1 A method and a system for purifying and deodorising discharge gases from organic waste producing facilities |
| 11/26/2009 | WO2009140892A1 Apparatus and process for treating wastewater |
| 11/26/2009 | WO2009140871A1 A method for treating waste liquid in preparation of ethanol by fermenting cassava |
| 11/26/2009 | DE10119119B4 Verfahren zur Aufbereitung von Brauchwasser A method for the treatment of industrial water |
| 11/26/2009 | DE10118839B4 Bioreaktor Bioreactor |
| 11/26/2009 | CA2725178A1 Nitrification and denitrification of digested biosolids |
| 11/25/2009 | EP2121527A1 Water basin plant and method for conditioning water in a water basin plant |
| 11/25/2009 | CN101586122A Process for producing biogas |
| 11/25/2009 | CN101586084A Yeast and application thereof in the weak alkaline treatment of vegetable-pickling waste water |
| 11/25/2009 | CN101585652A Acrylonitrile-acrylon integrative production waste water processing method and processing apparatus |
| 11/25/2009 | CN101585651A Organic waste water processing method with synchronously carbon, nitrogen and sulfur removal in one reactor |
| 11/25/2009 | CN101585650A Diaphragm suspension floating chain aeration pollution water body restoration method and device thereof |
| 11/25/2009 | CN101585649A Processing system and processing method for purifying sewerage sludge filtrate |
| 11/25/2009 | CN101585648A Multi-level circulation aerobic treatment technology |
| 11/25/2009 | CN101585647A Capillary tube compound sewage treatment device |
| 11/25/2009 | CN101585646A Artificial wetland treatment system for high-concentration sewage |
| 11/25/2009 | CN101585645A High-efficiency pre-aeration aerobic biological film sewage treatment device |
| 11/25/2009 | CN101585644A High-efficiency pre-aeration rotational flow type active sludge aerobic biochemical sewage treatment unit |
| 11/25/2009 | CN101585643A High-efficiency pre-aeration aerobic biochemical sewage treatment system |
| 11/25/2009 | CN101585642A Sewage treatment system for artificial wetland primarily |
| 11/25/2009 | CN101585641A Artificial wetland high-efficiency pre-aeration sewage treatment system |
| 11/25/2009 | CN101585640A Artificial wetland sewage treatment system adopting aerobic biological film method pretreatment |
| 11/25/2009 | CN101585639A Artificial wetland sewage treatment system adopting rotational flow active sludge method pretreatment |
| 11/25/2009 | CN101585638A High-efficiency aerobic biochemical treatment and artificial wetland sewage treatment system |
| 11/25/2009 | CN101585637A High-concentration sewage treatment system for artificial wetland primarily |
| 11/25/2009 | CN101585636A Method and system for semi-closely processing high-concentration medical sewage suitable for recycling reclaimed water |
| 11/25/2009 | CN101585635A Method and system for semi-closely processing medical sewage |
| 11/25/2009 | CN101585634A Processing method and processing system preventing biological pollution for medical sewage suitable for recycling reclaimed water |
| 11/25/2009 | CN101585633A Medical sewage biological safe processing system |
| 11/25/2009 | CN101585632A System for processing medical waste water by up-flow type biomembrane method |
| 11/25/2009 | CN101585630A Medical sewage safe processing system adopting biomembrane method |
| 11/25/2009 | CN101585629A Biological filter pond processing system for high-concentration medical waste water |
| 11/25/2009 | CN101585628A Biological filter tower processing system for high-concentration medical waste water suitable for recycling reclaimed water |
| 11/25/2009 | CN101585627A Hydrolytic oxidization processing system for high-concentration medical waste water |
| 11/25/2009 | CN101585626A Up-flow type biomembrane processing system for medical sewage suitable for recycling reclaimed water |
| 11/25/2009 | CN101585625A System for safely processing medical sewage adopting biomembrane method |
| 11/25/2009 | CN101585624A Biological safe medical sewage treatment system suitable for reusing reclaimed water |
| 11/25/2009 | CN101585623A High-concentration medical sewage hydrolyzing and oxidizing treatment system suitable for reusing reclaimed water |
| 11/25/2009 | CN101585621A High-efficiency semi-closed method and high-efficiency semi-closed system for treating high-concentration medical sewage |
| 11/25/2009 | CN101585607A Preparation method for substrate of vertical-flow constructed wetlands |
| 11/25/2009 | CN101585606A Point-source pollution treatment method |
| 11/25/2009 | CN101585605A Water quality self-purification ability incremental device |
| 11/25/2009 | CN101585604A Method for purifying water through submerged plants by caisson method |
| 11/25/2009 | CN101585603A System purifying landscape water body by using a weep reflux method |
| 11/25/2009 | CN101585602A Method for removing total nitrogen in household garbage leachate |
| 11/25/2009 | CN101585601A Monomer ultra-large volume steel post cone high-temperature anaerobic fermentation system |
| 11/25/2009 | CN101585600A Moderate temperature UASB reactor water distribution device in diameter of more than 15 meter |
| 11/25/2009 | CN101585599A Rotational flow type active sludge sewage treatment device |
| 11/25/2009 | CN101585598A High-efficiency jet aeration rotational flow type active sludge sewage treatment system |
| 11/25/2009 | CN101585597A High-efficiency jet aeration plug-flow type active sludge sewage treatment system |
| 11/25/2009 | CN101585596A High-efficiency jet aeration aerobic biological film sewage treatment system |
| 11/25/2009 | CN101585595A Biochemical treatment and sedimentation integrated central sedimentation type active sludge biochemical treatment device |
| 11/25/2009 | CN101585594A Biochemical treatment and sedimentation integrated backflow type active sludge biochemical treatment device |
| 11/25/2009 | CN101585593A Strengthened rotational flow and sedimentation integrated active sludge biochemical treatment device |
| 11/25/2009 | CN101585592A Rotational flow type active sludge biochemical treatment device provided with inner cylinder |
| 11/25/2009 | CN101585591A Integrated high-efficiency rotational flow active sludge biochemical treatment device |
| 11/25/2009 | CN101585590A Central sedimentation type active sludge biochemical device |
| 11/25/2009 | CN101585589A Backflow type active sludge biochemical treatment device |
| 11/25/2009 | CN101585588A Rotational flow strengthening activated sludge biochemical treatment device for guiding flow of inner cylinder body |
| 11/25/2009 | CN101585587A Spiral-flow type activated sludge biochemical treatment device with inner cylinder body |
| 11/25/2009 | CN101585586A High-efficiency swirling flow activated sludge bio-chemical processing device |
| 11/25/2009 | CN101585585A High-efficiency jet flow aeration device |
| 11/25/2009 | CN101585584A Jet flow pre-aeration multi-stage plug-flow type activated sludge sewage processing system |
| 11/25/2009 | CN101585583A Point-source pollution aeration treatment method |
| 11/25/2009 | CN101585582A Aerator pipe mounting structure and changing method |
| 11/25/2009 | CN101585581A Combined type artificial wetland sewage treatment system |
| 11/25/2009 | CN101585580A Artificial wetland sewage treatment system adopting hydrolysis pretreatment |
| 11/25/2009 | CN101585579A High-efficiency artificial wetland sewage treatment system |