Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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04/11/2001 | CN2426472Y Drinking water UV sterilizer controlled by single chip computer |
04/11/2001 | CN1291169A An improved filter cartridge, particularly for jug water purifiers |
04/11/2001 | CN1290659A Treating system for waste water |
04/11/2001 | CN1290658A Epoxy polyamine flocculant produced by using adipamine residue |
04/11/2001 | CN1290510A Water purifying and mineralizing device for fully automatic drinking water machine |
04/11/2001 | CN1064377C Method for recovering oil by spraying drying |
04/10/2001 | US6215126 Plug and method of manufacture |
04/10/2001 | US6214601 Simple, nontoxic method of decontamination by placing a container of water permeable, biodegradable material into medium; microorganisms will be attracted and adhere to material; photoprocessing baths |
04/10/2001 | US6214299 Apparatus and method for producing antimicrobial silver solution |
04/10/2001 | US6214242 Direct injection air stripping method and apparatus |
04/10/2001 | US6214241 Using hypohalogenous acid |
04/10/2001 | US6214240 Laminar flow; injecting into aqueous effluent |
04/10/2001 | US6214239 Water filter usage monitoring apparatus |
04/10/2001 | US6214238 Using a water soluble cupric salt |
04/10/2001 | US6214237 Process for treating solid waste slurry |
04/10/2001 | US6214234 Using aqueous solution of hexacyanoferrate salt |
04/10/2001 | US6214233 Process for simultaneous oxidation of cyanide and recovery of heavy metals from waste water |
04/10/2001 | US6214231 Connecting cassettes; filtration |
04/10/2001 | US6214230 Composition and method for removing suspended solids from wastewater |
04/10/2001 | US6214222 Method and apparatus for treating liquid |
04/10/2001 | US6214220 Combined process vessel apparatus |
04/10/2001 | US6214214 Water treatment system with purge valve responsive to fluid signals |
04/10/2001 | US6214204 Ion-removal from water using activated carbon electrodes |
04/10/2001 | US6214202 Situ treatment of contaminated groundwater |
04/10/2001 | US6214190 Stack of cells |
04/10/2001 | US6214189 Method for electro-kinetically decontaminating soil contained in a radioactive waste drum, and apparatus therefor |
04/10/2001 | US6214182 Device for the electrochemical treatment of water or waste water by electroflocculation |
04/10/2001 | US6214064 Process for making a fuel product from coal fines and sewage sludge |
04/10/2001 | US6213029 Process and apparatus for treating process streams from a system for separating consituents from contaminated material |
04/10/2001 | CA2180487C Water for medical treatment, production method thereof, and dialysis apparatus using water for medical treatment as dialysis liquid |
04/05/2001 | WO2001024225A1 Electrode-free discharge lamp |
04/05/2001 | WO2001023966A1 System and method for controlling effluents in treatment systems |
04/05/2001 | WO2001023819A1 Refrigerator-mounted water filtration apparatus |
04/05/2001 | WO2001023308A1 A process and apparatus for treatment of waste water, effluent and biomass |
04/05/2001 | WO2001023307A1 Method and apparatus for multistage liquid filtration |
04/05/2001 | WO2001023306A1 Containers for dispensing filtered liquids |
04/05/2001 | WO2001023097A1 Turbo-nozzle monitor system for dispersant application |
04/05/2001 | WO2001023076A1 Ultrafiltration and microfiltration module and system |
04/05/2001 | WO2001023067A1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions |
04/05/2001 | WO2001023065A1 Chemical feeder |
04/05/2001 | WO2001023062A1 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation |
04/05/2001 | WO2000068151A3 Personal water filter bottle system |
04/05/2001 | DE19947846A1 Treatment of colloidal waste liquor, e.g. from industrial processing of (animal) fat, involves adding solid, drying in heat exchanger, removing steam in flash evaporator and separating fat from solid in decanter |
04/05/2001 | DE10045830A1 Removal of metal ions from aqueous solution, e.g. waste liquor, process bath or lixiviation solution, involves adjusting to suitable pH, adding solid organic chelant, stirring and removing metal complex formed |
04/05/2001 | CA2384631A1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions |
04/05/2001 | CA2384245A1 Electrode-free discharge lamp |
04/05/2001 | CA2296129A1 Domestic water treatment appliance |
04/05/2001 | CA2285152A1 Construction of a water treatment reservoir for a domestic water treatment appliance |
04/04/2001 | EP1088881A1 Catalytic vacuum distillation process |
04/04/2001 | EP1088792A1 Method for purifying turbid water |
04/04/2001 | EP1087911A1 Method for precipitating or flocculating substances out of solutions |
04/04/2001 | EP1087910A1 Method and plant for treating water with high degree of hardness and/or having a high sulphate content |
04/04/2001 | EP1087909A1 Center opening water treatment tank |
04/04/2001 | EP0885849A4 Method for sterilising water and device for realising the same |
04/04/2001 | CN2425917Y All hydraulic self-control integrated water purifier |
04/04/2001 | CN2425916Y Easy flushing double-cylinder water purifier |
04/04/2001 | CN2425915Y Mud contained sewage recovery equipment |
04/04/2001 | CN2425914Y Fully automatic water-purifying machine |
04/04/2001 | CN2425913Y Oil contained sewage recovery equipment |
04/04/2001 | CN2425912Y Physical filtering, disinfecting and sterilizing water purifier |
04/04/2001 | CN2425911Y Natural water purifier |
04/04/2001 | CN2425910Y Pressured gas dissolving tank |
04/04/2001 | CN2425698Y High-wave mineralized and magnetized water purifier |
04/04/2001 | CN2425696Y Structure improved pipeline joint filter |
04/04/2001 | CN2425695Y Same directional flow precipitator |
04/04/2001 | CN1290421A Method for purifying cooling circuit of alternator stator operating in ventilated circuit, and implementing device |
04/04/2001 | CN1290279A Improved polymer blends for dewatering |
04/04/2001 | CN1290145A Shower apparatus |
04/04/2001 | CN1289913A 锅炉 Boiler |
04/04/2001 | CN1289728A Process and equipment for purifying waste water containing organic pollutants by continuous homogenization and optical oxidization |
04/04/2001 | CN1289727A Slow-releasing phosphate glass nutritive agent and its preparing process |
04/04/2001 | CN1289726A Electrochemical equipment and process for treating water with packed bed |
04/04/2001 | CN1289725A Process for pre-treating waste liquid of p-benzoic acid by complexing and extraction |
04/04/2001 | CN1064025C Low temperature caustic sulfide set oxidation process |
04/04/2001 | CN1063983C Filtration membrane module |
04/04/2001 | CN1063918C Producing method for mineral tea drinks |
04/03/2001 | US6211396 Reacting a phosphorus halide selected from phosphorus oxyhalides and phosphorus pentahalides with a halogen-containing hydroxy compound to obtain a reaction mixture including a halogen-containing phosphate ester |
04/03/2001 | US6211237 Peracetic acid and performic acid mixtures formed by peroxidation of corresponding acid |
04/03/2001 | US6211213 Stable microbicide formulation |
04/03/2001 | US6211172 Methods and compositions for controlling biofouling using sulfonamides |
04/03/2001 | US6210650 Thermal decomposition of iron chloride in the spent pickling acid to iron oxide and gaseous hydrochloric acid; spent pickling acid at least one compound is admixed which contains nitrogen having a low oxidation number |
04/03/2001 | US6210643 For obtaining ozonized water by means of an electrolysis. |
04/03/2001 | US6210588 Subjecting effluent to coagulation for forming microflocs; adding polyelectrolyte to coagulated effluent to produce flocculation causing agglomeration of microflocs into flocs; settling; recycling sludge |
04/03/2001 | US6210587 Subjecting effluent to coagulation for forming microflocs; subjecting coagulated effluent to flocculation for agglomerating microflocs into flocs; settling for separating flocs and interstitial water; recycling sludge; adding ballast |
04/03/2001 | US6210584 Contacting aqueous solution with membrane comprising porous polymer support with layer of fluorinated polymer capable of selectively transporting species from first liquid to second liquid |
04/03/2001 | US6210566 Nestable containers and improved water treatment materials |
04/03/2001 | US6210078 Methods for the in situ removal of a contaminant from soil |
04/03/2001 | US6209856 Gas-liquid processing apparatus |
04/03/2001 | US6209337 Water collection and purification system |
04/03/2001 | CA2160007C Process and device for processing and/or dewatering sludge liquor from waste water tanks, in particular small sewerage purification plants |
04/03/2001 | CA2111620C Water treatment system bulb status monitor circuit |
03/29/2001 | WO2001021902A1 Sterilizing device and method for stool |
03/29/2001 | WO2001021897A2 Fluid control systems |
03/29/2001 | WO2001021537A1 Method for purification of water which has been used for vehicle wash |
03/29/2001 | WO2001021535A1 Method for eliminating organic material resistant to biological treatment |
03/29/2001 | WO2001021534A1 Water treatment agent for extending water exchange intervals in tank systems |
03/29/2001 | WO2001021533A1 Method for improving water quality of tank systems |
03/29/2001 | WO2001021532A1 Composition useful for conditioning sludge derived from the treatment of an aqueous medium and uses thereof |
03/29/2001 | WO2001021531A1 Water treatment system using hollow fiber membrane module |
03/29/2001 | WO2001021332A1 Method for decomposing refractory hazardous substance and decomposing agent |