| Patents for C02F - Treatment of water, waste water, sewage, or sludge (726) |
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| 10/23/2007 | US7285212 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 09/26/2007 | CN100339319C Treatment of mineral materials |
| 09/26/2007 | CN100339313C Method for clarifying waste water containing organic material |
| 09/11/2007 | US7267749 Workpiece processor having processing chamber with improved processing fluid flow |
| 09/11/2007 | US7267235 Greywater recycling apparatus |
| 09/05/2007 | CN100335424C Two phase anaerobic organic matter treatment and system |
| 08/29/2007 | EP1824790A1 Water purifier |
| 08/22/2007 | CN101023215A Method for removing lignin from water |
| 08/16/2007 | US20070189855 Treatment of environmental contaminants |
| 08/08/2007 | CN101014241A Novel solid compositions for disinfecting water |
| 07/25/2007 | CN101003393A A clarification vessel for a water treatment plant |
| 07/18/2007 | EP1713957A4 Flow-through oxygenator |
| 06/13/2007 | CN1980865A Procedure for dewatering of suspensions |
| 06/05/2007 | US7226539 Bionest reactor for the application of anaerobic wastewater treatment and bioenergy recovery |
| 05/30/2007 | EP1789156A1 A process for recovering organic and inorganic components from a waste stream |
| 05/30/2007 | CN1972875A Continuous closed-circuit desalination apparatus without containers |
| 05/24/2007 | WO2007057521A1 Method for removing substances from aqueous solution |
| 05/23/2007 | EP1786974A1 Device and method for production of cellulose-based products |
| 05/16/2007 | EP1784362A1 Process for purifying water from a vehicle wash installation |
| 05/16/2007 | EP1784360A2 Liquid cleaning device |
| 05/16/2007 | CN1316211C A dew machine or a dew making machine |
| 05/09/2007 | EP1781574A2 Continuous closed-circuit desalination apparatus without containers |
| 05/03/2007 | US20070099284 Dehalococcoides isolate for bioremediation |
| 05/02/2007 | EP1780177A2 A device for decomposition for organic material |
| 05/02/2007 | EP1778008A2 Novel solid compositions for disinfecting water |
| 04/19/2007 | WO2007042611A1 A method for precipitating metal oxides from an aqueous waste solution |
| 04/18/2007 | EP1774088A1 Method for removing lignin from water |
| 04/12/2007 | WO2007040407A1 A method for preventing growth of biological material in a water-based heat exchanger system |
| 03/29/2007 | US20070069050 Two stage sewage grinder pump |
| 01/24/2007 | CN1296524C Container, reactor and method for electrochemically processing workpiece |
| 01/23/2007 | US7166211 Process and apparatus for microbial filtration and bacterial injection for one or more environmental contaminants |
| 01/10/2007 | CN1894439A Flow-through oxygenator |
| 01/10/2007 | CN1891325A Nanofiber filter media |
| 01/10/2007 | CN1294090C Sewage treatment method |
| 01/09/2007 | US7160713 Method and apparatus for oxidizing organic matter |
| 01/09/2007 | US7160460 System and method for treating wastewater using coir filter |
| 01/04/2007 | WO2004092074A3 Water agitation system for water retention structure |
| 01/04/2007 | US20070000825 Process and apparatus for microbial filtration and bacterial injection for one or more environmental contaminants |
| 01/02/2007 | US7157013 Filtration method |
| 12/28/2006 | US20060288709 Thermoelectric, high-efficiency, water generating device |
| 12/27/2006 | CN1886187A Continuous production membrane water treatment plant and method for operating same |
| 12/20/2006 | EP1732849A1 Method for treatment of dangerous waste in liquid state and a plant to carry through the method |
| 12/14/2006 | WO2006131593A1 Water purification apparatus |
| 12/07/2006 | WO2005047188A3 Systems and methods for treating liquids |
| 12/06/2006 | CN1874960A Method for treatment of sludge |
| 11/29/2006 | EP1603838A4 Two phase anaerobic organic matter treatment and system |
| 11/23/2006 | WO2005028372A3 Apparatus and process for mediated electrochemical oxidation of materials |
| 11/16/2006 | US20060254981 Apparatus for continuous closed circuit desalination under variable pressure a single container |
| 11/15/2006 | CN1863736A Method and apparatus for hull integrated seawater reverse osmosis system |
| 10/25/2006 | EP1713957A2 Flow-through oxygenator |
| 10/18/2006 | EP1712526A1 Method and arrangement for wastewater purification |
| 09/20/2006 | CN1835892A Continuous closed-circuit desalination apparatus with single container |
| 09/05/2006 | US7101483 Process for treating a body of water |
| 08/24/2006 | WO2006087432A1 Products and methods for removing substances from aqueous solution |
| 08/24/2006 | US20060186026 Compact water purification apparatus |
| 08/24/2006 | CA2598074A1 Products and methods for removing substances from aqueous solution |
| 08/23/2006 | EP1194613A4 Workpiece processor having processing chamber with improved processing fluid flow |
| 08/23/2006 | EP1192298A4 System for electrochemically processing a workpiece |
| 08/17/2006 | WO2006084943A1 Method for treating biomass |
| 08/16/2006 | EP1689529A2 Two stage sewage grinder pump |
| 08/15/2006 | US7091495 Systems and methods for treating liquids |
| 08/15/2006 | US7090820 reacting hydrogen peroxide with sulfuric acid in substoichiometric ratio; reacting the resulting weak Caro's acid with oleum; salt formation with a basic potassium solution to form the potassium peroxymonosulfate, potassium bisulfate, potassium sulfate triple salt; by-product inhibition |
| 08/15/2006 | US7090779 manually pumping unpurified water through a conduit to be exposed to a germicidal ultraviolet (UV-C) lamp that is energized by a manually operable electric generator; portable; water treatment |
| 08/10/2006 | US20060175262 radial flow filters and media management systems, in which filter and coacting media can be removed from the system and regenerated; multiport valve maintains separate isolated ports to prevent contamination of the fluids carried therethrough; for water softening |
| 08/09/2006 | EP1539994A4 Method of monitoring biofouling in membrane separation systems |
| 07/27/2006 | WO2006077282A1 Process and device for cleaning waste water |
| 07/20/2006 | WO2005012180A3 Method and apparatus for hull integrated seawater reverse osmosis system |
| 07/19/2006 | EP1680365A2 Waste water treatment system and process |
| 07/19/2006 | EP1680363A2 Continuous closed-circuit desalination apparatus with single container |
| 07/13/2006 | US20060150491 Flow-through oxygenator |
| 07/12/2006 | EP1678082A2 Method and apparatus for hull integrated seawater reverse osmosis system |
| 07/12/2006 | EP1677899A2 A continuous production membrane water treatment plant and method for operating same |
| 07/12/2006 | CN1802320A Small-scale treatment unit for waste water |
| 07/06/2006 | US20060144700 Apparatus and process for mediated electrochemical oxidation of materials |
| 06/29/2006 | WO2006068496A1 Agent and method for improvement op water and other potable liquids |
| 06/29/2006 | WO2005028374A3 Filtration method |
| 06/22/2006 | WO2006064084A1 Process for removing manganese from water |
| 06/15/2006 | WO2006062467A1 Water purifier |
| 06/14/2006 | EP1667935A2 Treatment of environmental contaminants |
| 06/07/2006 | CN1784238A Free radical solution water |
| 06/06/2006 | US7056438 agitating wastewater to scour at least some of the biofilm from the media surface; adding additional wastewater to the vessel to an overflow level containing the biofilm; draining the vessel for aerating the media surface; and refilling the vessel; fill and drain cycles effect a "tidal" nitrification |
| 06/01/2006 | WO2006057617A1 Process for purifying water from a vehicle wash installation |
| 05/24/2006 | EP1659098A2 Method for clarifying waste water containing organic material |
| 05/24/2006 | CN1777470A Crossflow filtration system with quick dry change elements |
| 05/17/2006 | CN1774401A Thermoelectric, high-efficiency, water generating device |
| 05/11/2006 | US20060096917 Maintaining, in the sulphide-containing water, a redox potential gradient across an interface zone between oxidized surface water and substantially non-oxidized water below the interface zone; biologically oxidizing, in the interface zone, sulphides in the water to sulphur |
| 05/09/2006 | US7041219 Method and apparatus for enhancing wastewater treatment in lagoons |
| 05/03/2006 | EP1651326A2 Salt chlorine generator |
| 04/27/2006 | WO2005026052A3 Bionest reactor for the application of anaerobic wastewater treatment and bioenergy recovery |
| 04/27/2006 | US20060086661 Method for reducing sludge of a biological ozone treatment system |
| 04/20/2006 | WO2006041369A1 Device and method for production of cellulose-based products |
| 04/19/2006 | CN1761624A Two phase anaerobic organic matter treatment and system |
| 04/12/2006 | CN1250324C Water desalination equipment and method |
| 04/06/2006 | WO2006006155A3 Novel solid compositions for disinfecting water |
| 04/04/2006 | US7022243 a stormwater separation tank that includes a container having a bottom, side walls and a cover to enclose the tank for treatment of the storm water; provides treatment to the water both during normal flows and also during the high flows occasioned by a heavy downpour |
| 04/04/2006 | US7022233 Biologically active reactor system and method for treating wastewater |
| 04/04/2006 | US7021671 Septic tank drain field pipe manifold system and method of use |
| 03/30/2006 | WO2005030648A3 Potassium monopersulfate triple salt with increased active oxygen content and substantially no k2s2o8 |
| 03/23/2006 | WO2005042407A3 Dynamic up-flow zeolite system |
| 03/22/2006 | EP1636140A1 Small-scale treatment unit for waste water |