| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 10/06/2004 | EP1463687A1 Biological water treatment process involving post-denitrification mechanism and a membrane filter |
| 10/06/2004 | EP1463686A2 Chromatography apparatus and electrolytic method for purifying an aqueous stream containing a contaminant ion |
| 10/06/2004 | EP1463580A1 Adsorbing material comprised of porous functional solid incorporated in a polymer matrix |
| 10/06/2004 | EP1337310A4 Carbon block water filter |
| 10/06/2004 | EP1198424B1 A method of and arrangement for continuous hydrolysis of organic material |
| 10/06/2004 | EP1139951B1 Liquid transport member for high flux rates between two port regions |
| 10/06/2004 | CN2646494Y Magnetized water switch |
| 10/06/2004 | CN2646252Y Automatic deodorizing and sterilizing equipment for toilet water closet |
| 10/06/2004 | CN2646226Y Water filter special for tap water |
| 10/06/2004 | CN2646224Y Device for preparing water from air |
| 10/06/2004 | CN2646210Y Stainless steel guipure type oil spill skimmer |
| 10/06/2004 | CN2646140Y Hydrolysis reactor utilizing high temperature industrial sewage afterheat |
| 10/06/2004 | CN2646134Y Asepsis processing apparatus for water system of dentistry treatment table |
| 10/06/2004 | CN2646133Y Hot spring drinking apparatus |
| 10/06/2004 | CN2646132Y High frequency magnetic field water treater |
| 10/06/2004 | CN2646131Y Sea water desalting and bitter desalination apparatus |
| 10/06/2004 | CN2646130Y Tank shaped multiphase and polynary catalysis, electrolysis and oxidation sewage treatment device |
| 10/06/2004 | CN2646129Y Multiphase and polynary catalysis, electrolysis and oxidation sewage treatment device adopting concentric circles electrodes |
| 10/06/2004 | CN2646128Y Catalysis, electrolysis and oxidation sewage treatment device with multilayer alternation concentric circles electrodes distribution |
| 10/06/2004 | CN2646127Y Tap water purification installation |
| 10/06/2004 | CN2646126Y Oil-water separating apparatus of discontinuous flow quantity |
| 10/06/2004 | CN2646125Y Rotor drum type sewage filtering apparatus |
| 10/06/2004 | CN2646124Y Polycyclic water distributor |
| 10/06/2004 | CN2645758Y Flameproof environment protection type chlorine dioxide generator |
| 10/06/2004 | CN2645737Y Energy-saving deoxidizing device |
| 10/06/2004 | CN1535321A Method for removal of metal from aqueous solution using lime precipitation |
| 10/06/2004 | CN1535250A Mixtures of halogen-generating biocides, halogen stabilizers and nitrogen containing biocides |
| 10/06/2004 | CN1535249A Method and device for decomposing environmental pollutants |
| 10/06/2004 | CN1535248A Fluid treatment apparatus |
| 10/06/2004 | CN1535204A Polymeric membranes functionalized with EGTA ligands |
| 10/06/2004 | CN1535181A Use of material based on organic and/or inorganic fibres and chitosan for fixing metal ions |
| 10/06/2004 | CN1535174A 亚微米滤器 Sub-micron filter |
| 10/06/2004 | CN1534012A Method recovering butylacetate in antibiotic production process |
| 10/06/2004 | CN1533989A Nitrating method and device and waste water processor |
| 10/06/2004 | CN1533988A Living water sterilizing water tank |
| 10/06/2004 | CN1533987A Device and method of photocatalysis water treatment |
| 10/06/2004 | CN1170004C Process for removing Ni from waste etching FeC13 solution containing Ni |
| 10/06/2004 | CN1169736C System and process for preparing superpure drinking water |
| 10/06/2004 | CN1169732C Preliminary sedimentation procedure for drinking natural mineral water |
| 10/06/2004 | CN1169731C Circular utilization of Y-type molecular sieve exchange washing water |
| 10/06/2004 | CN1169730C Regular polyprism torsion type electric field and ionic rod water treater |
| 10/06/2004 | CN1169729C Electric dialyzer bioreactor and denitrifying method of raw water or waste containing nitrate |
| 10/06/2004 | CN1169728C Electric adsorption liquid treatment device |
| 10/06/2004 | CN1169727C Cooperative drinking water purifying method and equipment combining active carbon fiber and electrodynamic process |
| 10/06/2004 | CN1169726C Method for eliminating wastewater effection of oil field on three element composite surface tension |
| 10/06/2004 | CN1169725C Devil liquor treatment process and appts. for same and washing appts. using such appts. |
| 10/06/2004 | CN1169596C Preparation and use of polymer micro-balls for separating and determining heavy metal ions |
| 10/05/2004 | US6800260 Processes for treating iron-containing waste streams |
| 10/05/2004 | US6800257 Process for preparing trichloracetic acid and apparatus for use in such process |
| 10/05/2004 | US6800255 A waste recycling the by-product from semiconductor manufacturing process, apparatus comprising a burn/wet scrubber oxidizes and condenses toxic compounds; detoxification, water treatment, pollution control |
| 10/05/2004 | US6800207 Method and apparatus for controlling water system fouling |
| 10/05/2004 | US6800206 Calibration of charging to control water treatment; flocculation, coagulation |
| 10/05/2004 | US6800205 Using control valve without losing sealed integrating of air delivery system |
| 10/05/2004 | US6800204 Composition and process for removing arsenic and selenium from aqueous solution |
| 10/05/2004 | US6800203 Catalytic destruction of perchlorate in ferric chloride and hydrochloric acid solution with control of temperature, pressure and chemical reagents |
| 10/05/2004 | US6800201 Reduce energy consumption |
| 10/05/2004 | US6800200 Dual-flow filter cartridge |
| 10/05/2004 | US6800199 Water purifier |
| 10/05/2004 | US6800196 Increases dissolved ozone concentration; rapid decomposition of organic substances |
| 10/05/2004 | US6800195 Low cost grease removal system |
| 10/05/2004 | CA2262030C Filtering device |
| 10/05/2004 | CA2237726C Decanter centrifuge |
| 09/30/2004 | WO2004084318A1 Semiconductor light-emitting element and method for manufacturing same; integrated semiconductor light-emitting device and method for manufacturing same; image display and method for manufacturing same; and illuminating device and method for manufacturing same |
| 09/30/2004 | WO2004083813A2 Method and apparatus for measuring concentration of a chemical component in a gas mixture |
| 09/30/2004 | WO2004083516A1 Oxidation system containing a macrocyclic metal complex, the production thereof and its use |
| 09/30/2004 | WO2004083132A1 Method and system for the treatment of liquid effluents containing pollutants in a suspension |
| 09/30/2004 | WO2004083128A1 Apparatus and method for performing deep well wet oxidation |
| 09/30/2004 | WO2004083127A1 Alkali ion water conditioner |
| 09/30/2004 | WO2004083126A1 Water purification system |
| 09/30/2004 | WO2004083125A2 Method and hybrid reactor for processing residual wastes |
| 09/30/2004 | WO2004082816A1 Method for regenerating water with a low-oxygen atmosphere |
| 09/30/2004 | WO2004082799A1 Filter media with enhanced microbiological interception capability |
| 09/30/2004 | WO2004082604A2 Phosphoric ester demulsifier composition |
| 09/30/2004 | WO2004062774A3 Direct osmosis cleaning |
| 09/30/2004 | WO2004045654A3 Remediating of surfaces with embedded microbial contaminant |
| 09/30/2004 | WO2004024634A3 Mediated electrochemical oxidation of inorganic materials |
| 09/30/2004 | WO2004012206A3 Mediated electrochemical oxidation used for the destruction of organics contaminated with radioactive materials, dissolution of transuranics, and the decontamination of equipment contaminated with mixed waste |
| 09/30/2004 | WO2003031021A8 Wastewater pretreatment gathering and final treatment process |
| 09/30/2004 | US20040192981 Heating, vaporization; multistage process; reducing odorous emission; high energy efficiency |
| 09/30/2004 | US20040192980 Reducing odorous emission; high energy efficiency; multistage process; slurrying, heating, pressurization, separation |
| 09/30/2004 | US20040192533 Centrifugal separators |
| 09/30/2004 | US20040191144 Molecular sieve CIT-6 |
| 09/30/2004 | US20040191143 Process for the dissolution of copper metal |
| 09/30/2004 | US20040188359 Dendrimer fluid purification system and method |
| 09/30/2004 | US20040188358 Process for separation and recovery of polyethylene glycol (peg) from spent aqueous two-phase systems |
| 09/30/2004 | US20040188356 Fluid flow of liquid through venturi device; mixing, cmpression, diffusion, filtration |
| 09/30/2004 | US20040188355 Method for separating low HLB contaminants from an aqueous dispersion of a high HLB oil |
| 09/30/2004 | US20040188354 Processing of chemicals in flow-through device with porous media |
| 09/30/2004 | US20040188352 Apparatus and method for continuous electrodeionization |
| 09/30/2004 | US20040188348 Metal containing waste water treatment method and metal containing waste water treatment equipment |
| 09/30/2004 | US20040188347 Waste stream digestion method |
| 09/30/2004 | US20040188340 Apparatus for separating particulates from a suspension, and uses thereof |
| 09/30/2004 | US20040188339 Submergible membrane modular filtration device having replaceable membrane elements |
| 09/30/2004 | US20040188338 Liquid treating apparatus |
| 09/30/2004 | US20040188337 Fluid treatment system |
| 09/30/2004 | US20040188330 Apparatus and system for automatically ordering salt and monitoring the salt in a brine tank |
| 09/30/2004 | US20040188271 Process for electrochemical oxidation of bromide to bromine |
| 09/30/2004 | US20040188258 Electric demineralizer |
| 09/30/2004 | US20040188248 High strength; swelling inhibition; aqueous solution of metal compound and polyvinyl alcohol |
| 09/30/2004 | US20040188246 Battery, electrolytic cells; electrochemistry purification; carbon aerogel composite sheet electrode; capacitance deionizing, regeneration system |