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