| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 03/02/2004 | US6699169 Centrifugal extractor with neutron absorption body |
| 03/02/2004 | US6698464 Product dispenser |
| 03/02/2004 | CA2120254C System for biologically neutralizing waste material |
| 02/26/2004 | WO2004016840A1 Functional product and functional fine powder for use in production thereof, and method for producing functional product |
| 02/26/2004 | WO2004016723A1 Technique on ozone water for use in cleaning semiconductor substrate |
| 02/26/2004 | WO2004016555A1 Discharge apparatus |
| 02/26/2004 | WO2004016554A2 Method and device for post-treating waste water from sewage plants |
| 02/26/2004 | WO2004016553A2 Rare earth metal compounds, methods of making, and methods of using the same |
| 02/26/2004 | WO2004016117A1 Method and device for the production of table water with added carbon dioxide |
| 02/26/2004 | WO2003070644A8 Sea water desalination plant |
| 02/26/2004 | WO2003039549A8 Selective antibacterial agents |
| 02/26/2004 | WO2003035553A3 A process for the microbiological decontamination of water by means of photosensitive agents |
| 02/26/2004 | WO2002092519B1 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same |
| 02/26/2004 | WO2002022506A8 Water treatment process and apparatus |
| 02/26/2004 | US20040039195 Cucurbituril derivatives, their preparation method and uses |
| 02/26/2004 | US20040039070 Strong base quaternary ammonium anion exchange resin and strong acid sulfonated cation exchange resin pretreated respectfully with 10-800 mg of water-soluble sulfonated poly (vinylaromatic)polyelectrolyte and cationic polyelectrolyte |
| 02/26/2004 | US20040038089 Method for treating and distributing water generated in a self-contained water using unit |
| 02/26/2004 | US20040037894 Using di- or polyvalent cations (calcium hydroxide, calcium carbonate) to reduce swellability of a smectite or sepiolite or palygorskite in mineral binder systems; paints, lacquers, cosmetics, lubricating greases; ion exchanging |
| 02/26/2004 | US20040037765 Treating a nickel-bearing aqueous solution consisting of phosphating-bath overflow and/or of rinsing water after phosphating, phosphating being effected with an acidic aqueous phosphating solution that contains 3 to 50 g/l phosphate ions |
| 02/26/2004 | US20040037385 Condensate demineralization |
| 02/26/2004 | US20040036034 Apparatus for generating ultraviolet radiation and ozone by using microwave |
| 02/26/2004 | US20040036033 Fluid treatment apparatus |
| 02/26/2004 | US20040035803 Synergistic biocidal mixtures |
| 02/26/2004 | US20040035802 Electrodeionisation apparatus |
| 02/26/2004 | US20040035800 Dewatering; comprises addding nonionic polymeric flocculant (polyacrylamide) prior to adding anionic polymeric flocculant (acrylamide-acrylic acid copolymers); for use with ceramic and glass suspensions |
| 02/26/2004 | US20040035799 Comprises sparge gas; for treating acidflow back water, completion fluid water, produced water and rain water collected from off-shore oil drilling and production platforms |
| 02/26/2004 | US20040035798 Method and apparatus for removing contaminants from conduits and fluid columns |
| 02/26/2004 | US20040035797 For removing liquid hydrocarbon from contaminated surface such as a body of water; kits; pollution control |
| 02/26/2004 | US20040035796 Method for treating water containing manganese |
| 02/26/2004 | US20040035795 Comprises recirculated evaporative cooling water stream and cationic exchange resin; corrosion resistance |
| 02/26/2004 | US20040035790 Ex-situ PEM fuel cell testing: towards visualizing gas diffusion |
| 02/26/2004 | US20040035786 Airlift membrane device and membrane bioreactor and bioreactor process containing same |
| 02/26/2004 | US20040035784 System and method for separating immiscible fluids |
| 02/26/2004 | US20040035780 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes |
| 02/26/2004 | US20040035779 Membrane filter for water treatment |
| 02/26/2004 | US20040035770 Dynamically responsive aerobic to anoxic inter-zone flow control system for single vessel multi-zone bioreactor wastewater treatment plants |
| 02/26/2004 | US20040035716 A water treatment by an electrochemical process to remove nitrogen-containing compound, purification, denitrification, using a metallic or alloy conductive cathode |
| 02/26/2004 | US20040035701 Entropic trapping and sieving of molecules |
| 02/26/2004 | US20040035696 Apparatus and method for membrane electrolysis for process chemical recycling |
| 02/26/2004 | US20040035251 Chemical process |
| 02/26/2004 | US20040035018 Centrifuge for mechanical draining and thermal drying of sludges |
| 02/26/2004 | DE20314637U1 Device for preparing aqueous organic emulsions used e.g. for cleaning oil/grease mixtures and used oil mixtures comprises a unit for producing electromagnetic waves using a magnetron |
| 02/26/2004 | DE20312540U1 Vorrichtung zur physikalischen Entsäuerung von Trinkwasser Apparatus for physical deacidification of drinking water |
| 02/26/2004 | DE20220759U1 Modular assembly to treat water in polluted stagnant or lagoons, ponds and rivers |
| 02/26/2004 | DE10336755A1 Drinking water carbonation assembly has stack-membrane contact surface |
| 02/26/2004 | DE10238399A1 Device for producing radiation for disinfecting water, air or surfaces comprises a discharge vessel containing a gas filling, units for igniting and maintaining an excimer discharge, and a coating containing a light-emitting compound |
| 02/26/2004 | DE10236123A1 Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension A method for removing anionic trash from an aqueous paper fiber suspension |
| 02/26/2004 | CA2495884A1 Method and device for post-treating waste water from sewage plants |
| 02/26/2004 | CA2494992A1 Rare earth metal compounds, methods of making, and methods of using the same |
| 02/25/2004 | EP1391430A1 Synergistic biocidal mixtures |
| 02/25/2004 | EP1390952A2 Method for regulating metal ion concentration by reversible activated carbon electroabsorption, cylindrical cartridge for trapping metal ions and use thereof in a nuclear plant |
| 02/25/2004 | EP1390731A2 System for optimized control of multiple oxidizer feedstreams |
| 02/25/2004 | EP1390678A1 Chiller tank system and method for chilling liquids |
| 02/25/2004 | EP1390578A2 System and method for distributed monitoring using remote sensors |
| 02/25/2004 | EP1390434A1 Fine particle size lime slurries and their production |
| 02/25/2004 | EP1390306A1 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same |
| 02/25/2004 | EP1390303A1 Environmental remediation method and apparatus |
| 02/25/2004 | EP1390302A1 Process for hydrothermal treatment of materials |
| 02/25/2004 | EP1390301A1 Nitrate reduction using so2 |
| 02/25/2004 | EP1390300A1 Structure and process for continuously treating dental unit water |
| 02/25/2004 | EP1200359B1 Method of decomposing organic compounds in water |
| 02/25/2004 | EP1064069A4 Composite filter medium and fluid filters containing same |
| 02/25/2004 | EP1036037B1 Chemical modification of electrochemically activated water |
| 02/25/2004 | CN2604652Y Magnetic antiscaling device for water heater |
| 02/25/2004 | CN2604590Y High-magnetizing running water device |
| 02/25/2004 | CN2604431Y Hand-held rotary magnetizer |
| 02/25/2004 | CN2604430Y Purified water making & selling integrated machine |
| 02/25/2004 | CN2604429Y Sea leakage oil recovery device |
| 02/25/2004 | CN2604428Y Running water purifier |
| 02/25/2004 | CN2604220Y Vacuum vaporizing distill water machine |
| 02/25/2004 | CN2604183Y Ultraviolet sterilizer |
| 02/25/2004 | CN2604133Y Sterilizing water drinker |
| 02/25/2004 | CN1478189A Humidifying method and apparatus using silver ionized water |
| 02/25/2004 | CN1478144A Production process and composition of an enzymatic preparation and its use for treatment of domestic and industrial effluents of high fat, protein and/or carbohydrate content |
| 02/25/2004 | CN1478059A Process and apparatus for treating waste water |
| 02/25/2004 | CN1478058A Method for treating water containing manganese |
| 02/25/2004 | CN1477649A Method for back-extracting and separating radioactive element from organic phase by using water soluble oxaamide |
| 02/25/2004 | CN1477067A Water treatment method for utilizing ozone to kill flea zooplankton |
| 02/25/2004 | CN1477066A Method for treating high-concentration heavy metal waste water by using refined diatomite |
| 02/25/2004 | CN1477065A Preparation method of disinfectant liquor and its equipment |
| 02/25/2004 | CN1477064A 3-D electrode-membrane reactor with potential measurement and control funtion |
| 02/25/2004 | CN1477063A Technique for purifying water of micropolluted water source by adopting ultrafiltration, jet-supplementing ozone and UV secondary excitation to produce free radical and process |
| 02/25/2004 | CN1477062A Method for circular regeneration of demineralized water |
| 02/25/2004 | CN1477061A Technique for photoelectrosynergistically and high-effectively purifying drinking water and its equipment |
| 02/25/2004 | CN1476919A Hydrocone type water purifien |
| 02/25/2004 | CN1139764C Dual-purpose water-supplying device capable of simultaneously providing domestic hot water and drinking pure water |
| 02/25/2004 | CN1139701C Water economizer |
| 02/25/2004 | CN1139582C Process for extracting N-methyl morpholine and N-ethyl morpholine in morpholine waste water |
| 02/25/2004 | CN1139546C Biological flocculant pepared from Nocardia bacteria |
| 02/25/2004 | CN1139545C Operation device of pulse purifying water |
| 02/25/2004 | CN1139544C Process for preparing compound aluminium-iron polychloro water purifying agent |
| 02/25/2004 | CN1139543C Method and device for removing bacterium microbe and cell growth from water body |
| 02/25/2004 | CN1139542C Electrolytic device |
| 02/25/2004 | CN1139541C Method and device for deeply treating organic waste water |
| 02/25/2004 | CN1139540C Water-purifying device and water-purifying method |
| 02/25/2004 | CN1139539C Method of treating naphthalene-blowing effluence and recovering resource in 2-naphthol producing process |
| 02/24/2004 | US6696966 Automatic salt level monitor for a water softening device |
| 02/24/2004 | US6696963 Method and system for anticipating salt depletion |
| 02/24/2004 | US6696589 Supported liquid membrane strip dispersion process for removal and recovery of one or more radionuclides or metals from a feed solution containing the radionuclides by treating with extractant |
| 02/24/2004 | US6696576 Polythioethers may be copolymerized with divinylbenzene-styrene matrix; pollution control |