| Patents for C02F 9 - Multistep treatment of water, waste water or sewage (41,429) |
|---|
| 03/01/2006 | CN1740102A Integrated sewage treating process in flocculant biological flow bed |
| 03/01/2006 | CN1243671C Sewage treatment equipment |
| 03/01/2006 | CN1243670C Technology for treating refuse percolate by electrochemical-anaerobic-aerobic membrane bioreactor assembling system |
| 03/01/2006 | CN1243667C Effective electrolysis tank for generating oxidant in solution |
| 02/28/2006 | US7005069 Coarse bubble diffuser for aeration of deep tanks (20 feet or more) at a sufficient flow to to prevent settling of the solids without the need for a mechanical mixer, and for oxygen supply to microorganism within the aeration tank |
| 02/23/2006 | US20060037909 Membrane bioreactor waste water treatment method |
| 02/22/2006 | EP1299314A4 Method and apparatus for the treatment of biological suspensions |
| 02/22/2006 | EP1235752A4 Process for recovering organic hydroxides from waste solutions |
| 02/22/2006 | CN2760019Y Full hydraulic auto-control high-turbidity integrated water purifier |
| 02/22/2006 | CN1736910A Module combined type rainwater and effluent disposing system of minisize ecological filter tank |
| 02/22/2006 | CN1736909A Eutrophication waters comprehensive treatment method |
| 02/22/2006 | CN1736908A Method and system for harnessing consumer waste landfill percolate |
| 02/22/2006 | CN1736907A Deep cleaning treatment process for city effluent |
| 02/22/2006 | CN1736906A Waste water treatment method and system of cold rolling emulsion |
| 02/22/2006 | CN1736905A Ceramic film pretreatment method in desalination of sea water |
| 02/22/2006 | CN1736904A Refuse percolate treatment method |
| 02/22/2006 | CN1242941C Method for treating urban sewage through denitrifying process for phophorous removal and denitrification in biomembrane system in sequential batch mode |
| 02/22/2006 | CN1242940C Method for treating urban sewage through denitrifying process for phophorous removal and defluorination |
| 02/22/2006 | CN1242939C Process for treating chloroform and carbon tetrachloride industrial waste water by catalytic metal reduction-flocculating settling method |
| 02/22/2006 | CN1242938C Deep purification treatment method for waste water |
| 02/22/2006 | CN1242930C Swimming pool water disposal equipment |
| 02/21/2006 | US7001512 Closed loop processing system for waste and crops |
| 02/21/2006 | US7000409 Use of flow through capacitor in the recovery and purification of water from exhaust gases of internal combustion engines |
| 02/16/2006 | US20060032630 Water treatment method for heavy oil production |
| 02/16/2006 | US20060032202 Quick change filter and bracket system with key system and universal key option |
| 02/15/2006 | CN2758248Y Square shaped full hydraulic automatic controlled integrated water purifier |
| 02/15/2006 | CN1735566A Treatment of chemical waste |
| 02/15/2006 | CN1735446A System to produce drinking water |
| 02/15/2006 | CN1733625A Textile printing and dyeing waste water processing system and method |
| 02/15/2006 | CN1733624A Photocatalytic oxidation reaction- membrane separation method for processing antibiotic industry waste water |
| 02/15/2006 | CN1733618A Process and apparatus for removing ferromanganese from underground water |
| 02/15/2006 | CN1241850C Waste water treating and resource recovering method for allomaleic acid production process |
| 02/15/2006 | CN1241849C Multifunctional biological-energy activation and gene optimization regulating agent, preparing method and use thereof |
| 02/15/2006 | CN1241848C Oil extraction waste water treatment method and its special reaction equipment |
| 02/15/2006 | CN1241847C Method for treating wastewater of dinitrodiazophenol |
| 02/15/2006 | CN1241673C Method for recovering waste liquid produced in process of chemical cleaning for industrial boiler |
| 02/09/2006 | US20060027457 Apparatus for electrodeionization and method for operating the same |
| 02/09/2006 | DE102004029874B4 Electrolytic process to reduce the quantity of grease and edible oils discharged as kitchen waste in effluent water |
| 02/08/2006 | EP1623960A1 Process for the recovery of tyrosol and hydroxytyrosol from oil mill wastewaters and catalytic oxidation method in order to convert tyrosol in hydroxytyrosol |
| 02/08/2006 | EP1543201B1 Method and device for cleaning separators |
| 02/08/2006 | CN1730415A Technique for treating garbage percolate based on diatomite and UASB |
| 02/08/2006 | CN1730414A Method of sewage oxidation treatment using supercritical water |
| 02/08/2006 | CN1240632C Equipment and method for purifying wastewater |
| 02/08/2006 | CN1240631C Advanced treating technology for industrial sewage |
| 02/08/2006 | CN1240277C Bactericide for use in water treatment, method for water treatment and apparatus for water treatment |
| 02/07/2006 | US6993928 Device for conditioning water produced by air conditioning or environmental dehumidification apparatuses or plants |
| 02/02/2006 | WO2005040046A3 A manually operable water purifying device |
| 02/02/2006 | US20060021953 Includes an ozonator; an up flow roughing filter with chemically active layer on top that removes particulates and contributes to the removal of dissolved organics; and a slow sand filter sized and shaped to promote growth of a biomass for water purification that is protected from residuals by the filter |
| 02/02/2006 | US20060021943 Urban runoff water treatment methods and systems |
| 02/02/2006 | US20060021942 Continuous ammonium removal systems |
| 02/02/2006 | US20060021926 Point-of-use water treatment system |
| 02/02/2006 | US20060021407 Process and device for treating raw manure |
| 02/01/2006 | EP1112232B1 Method of treating waste water |
| 02/01/2006 | CN1239414C Method for treating wastewater of carbonization by using microbe |
| 02/01/2006 | CN1239413C Method for treatment of waste water containing ammonia using caustic soda as alkali source |
| 02/01/2006 | CN1239412C Enhanced biogas production from nitrogen bearing feed stocks |
| 02/01/2006 | CN1239411C Free-atom aqueous solution producing apparatus, free-atom aqueous solution producing method, and free-atom aqueous solution |
| 01/31/2006 | US6991733 Process for removing organics from ultrapure water |
| 01/31/2006 | US6991731 Diluting the aqueous solution with water, prior passing through an ion exchange resin; radioactive thorium binds to ion exchange resin for a period of time and decay to uranium and protactinium; purification |
| 01/31/2006 | US6991728 Apparatus and method for the treatment of waste |
| 01/26/2006 | US20060016762 Pre-filtration and two sequential reduction and oxidation reactions and a post-reaction neutralization to break down energetics to innocuous end products such as carbon dioxide, water, and environmentally benign products precipitated in a sludge |
| 01/26/2006 | US20060016758 Milling the activated carbon in situ in a water treatment plant; adding activated carbon to purify water to be treated, characterized by an aqueous suspension containing activated carbon fine particles obtained by wet milling of the particles of of the activated carbon is added to water to be treated |
| 01/26/2006 | DE102004033152A1 Photo-mechanical filter water treatment system for swimming pool |
| 01/25/2006 | EP0971856B1 Three zone dissolved air flotation clarifier with improved efficiency |
| 01/25/2006 | CN2753728Y Environmental protection sewage purifying machine |
| 01/25/2006 | CN1724420A Process for combined water treatment of chemical oxidizing-biological biological filtering tank |
| 01/25/2006 | CN1724419A Resource process of inflitration liquid |
| 01/25/2006 | CN1724418A Chemistry strengthened biological fluidizing recombination reactor |
| 01/25/2006 | CN1724417A Application of copper filter mud of circuit board plant and it treatment process |
| 01/25/2006 | CN1724416A Water treatment equipment for treating up to standard industrial domestic waste water into tap water |
| 01/25/2006 | CN1724406A Process for treating industrial waste water containing chromium, vanadium |
| 01/25/2006 | CN1238695C Flow-meter system useable with water treatment device |
| 01/25/2006 | CN1238282C Treatment technology of waste water containing emulsion |
| 01/25/2006 | CN1238281C Fully-automatic resurgent water deep purifying and resurgent water reuse apparatus and process |
| 01/25/2006 | CN1238280C Method for extracting bacteriostatic matter from waste water for preparing starch from water chestnut |
| 01/25/2006 | CN1238279C Water purifying apparatus and method |
| 01/25/2006 | CN1238278C Method and device for effluent treatment |
| 01/25/2006 | CN1238277C Purifying of cold seawater and heat insulation conveying system |
| 01/25/2006 | CN1238268C Process for treating waste water of chlorobenzene and benzene containing high alkaline and high chlorion content |
| 01/25/2006 | CN1237869C Water treatment method of circulating fish culture water in factory style |
| 01/19/2006 | WO2005097294B1 Fluid filter apparatus and method |
| 01/19/2006 | US20060011537 Septic tank free from dung-sucking operation |
| 01/19/2006 | US20060011525 Water treatment for an aircraft |
| 01/19/2006 | CA2573035A1 Method for removing lignin from water |
| 01/18/2006 | EP1616040A1 Method for handling waste material generated in a metallurgical process |
| 01/18/2006 | CN1721344A Process for treating and recovering wastewater of coking |
| 01/18/2006 | CN1236838C Method and apparatus for treating of water/waste water |
| 01/17/2006 | US6986872 Storing and transporting peritoneal dialysate in dry or lyophilized form; for producing a peritoneal dialysis solution from dry reagents |
| 01/12/2006 | WO2006002619A1 Purification system for producing waters having permanently the quality of waters close to nature |
| 01/12/2006 | DE102004031273A1 Treating aqueous liquids to reduce toxin levels comprises sonicating the liquid to generate hydroxyl radicals |
| 01/12/2006 | DE102004029072A1 Sequential treatment of organics and heavy metal ions wastewater, comprises initializing fenton process by adding ferrous salt and hydrogen peroxide into continuously mixing wastewater, and adding iron salt to re-adjust molar ratio |
| 01/11/2006 | EP1613557A1 Water purification system |
| 01/11/2006 | EP1351893A4 Device and method for generating and applying ozonated water |
| 01/11/2006 | CN1718550A Biochemical treatment method of high concentration organic waste water |
| 01/11/2006 | CN1235817C Method of carrying out sewage treatment by using ecology filter tank and earthworm tower type ecology filter tank |
| 01/10/2006 | US6984326 Nitrogen treating method and nitrogen treating system |
| 01/10/2006 | US6984320 Removable closure assembly for a water treatment system |
| 01/10/2006 | US6984313 Filtration and purification system and method therefor |
| 01/05/2006 | WO2005084178A3 Pumps for filtration systems |
| 01/05/2006 | US20060000771 Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent |