Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/2004
10/27/2004CN1539765A Method for processing water in middle stage of paper making after biochemistry treatment in second phase
10/27/2004CN1539764A Method for treating sewage from industries of blanch or dye and paper making
10/27/2004CN1539762A Sewage treatment appts. using self-granulating active sludge and sewage treatment process
10/27/2004CN1539756A Method by using salts of zinc, molybdenum and magnesium as amps
10/27/2004CN1539755A Method by using vitamin as amps
10/27/2004CN1539754A Treatment agent and treatment process using same, treatment process of waste liquor
10/27/2004CN1539753A Aluminium iron chloride of coagulant agent in polymorphism polymerization and preparation method
10/27/2004CN1539752A Nano based purification system for supplying high-quality water
10/27/2004CN1539751A Appts. of regerating ion exchange resin for demineralized water treatment device and control system thereof
10/27/2004CN1539750A Enclosure piece of filter
10/27/2004CN1539749A Air float machine through airbleed by using mechanism with two blades
10/27/2004CN1539748A Technique for recycling waste fluid containing urea
10/27/2004CN1539547A Separator system of hollow-fibre membrane in extermal pressure
10/27/2004CN1173014C Technology and equipment for purifying process water
10/27/2004CN1172843C Method for producing purified aqueous hydrogen peroxide solution
10/26/2004US6810100 Method for treating power plant heater drain water
10/26/2004US6809468 Cathode with disintegration shield in a gas discharge lamp
10/26/2004US6808650 Water improver of coral algae, shell sand and ascorbate salt
10/26/2004US6808639 Aeration device with pump connected to tube connected to air sparging unit; programmable thermostat controls temperature; periodic passing of air bubbles; pasteurization; deodorizing drinking water
10/26/2004US6808637 System for producing ozone water and control method thereof
10/26/2004US6808636 Treatment of sewage sludge
10/26/2004US6808630 System and method for AI controlling waste-water treatment by neural network and back-propagation algorithm
10/26/2004US6808625 Aquarium protein skimmer
10/26/2004US6808622 Wastewater purifying apparatus
10/26/2004US6808608 Using system with first and second cation exchange membranes with exchangeable cations and a first and second anion exchange membranes with exchangeable anions both having inner and outer walls
10/26/2004US6808515 Multiple continuous type liquid waste disposal apparatus
10/26/2004CA2351965C Filter assembly for a faucet
10/26/2004CA2341225C Organic impurity removal process for bayer liquors
10/26/2004CA2243341C Mobile apparatus and process for treating infectious waste
10/26/2004CA2128672C Water cooling apparatus
10/21/2004WO2004091015A1 Conductive polymer, conductive polymer compositions and their use
10/21/2004WO2004090284A1 A method and apparatus for treatment of water for an injection well
10/21/2004WO2004090067A2 Drilling fluids with improved shale inhibition and methods of use in subterranean formations
10/21/2004WO2004090050A1 Hydrosoluble polymers exhibiting improved solubility characteristics, the production and use thereof
10/21/2004WO2004089834A1 Sludge concentration system and process which have functions for automatically charging a coagulant and for automatically controlling the concentration of a sludge
10/21/2004WO2004089833A2 Method and plant for treatment of organic waste material
10/21/2004WO2004089832A1 Electrocoagulation system
10/21/2004WO2004089830A2 Solvent extraction system and method
10/21/2004WO2004089525A2 Composites of zinc phthalocyanine and titanium oxide, for use in photocatalytical processes, and method for their obtention
10/21/2004WO2004089521A1 Equipment and process for the production of carbonated water
10/21/2004WO2004089513A1 Method for clarifying toxic gas, contaminated soil or contaminated water
10/21/2004WO2004089501A2 Method and a composite for mercury capture from fluid streams
10/21/2004WO2004089429A2 Germicidal low pressure mercury vapor discharge lamp with amalgam location permitting high output
10/21/2004WO2004089081A2 Solid biocide formulations
10/21/2004WO2004074182A3 Flow regulator for controlled gravity flow of fluid
10/21/2004WO2004071960A3 Composite materials for fluid treatment
10/21/2004WO2004071635B1 Method, device, and system for controlling dissolved amount of gas
10/21/2004WO2004018067A9 Airlift membrane device, bioreactor and bioreaction process
10/21/2004US20040208940 Wound and ulcer treatment with super-oxidized water
10/21/2004US20040208784 Sterilization processor used for operation of the sterilization art and method of infectivity drainage
10/21/2004US20040208706 Remediation of contaminates including low bioavailability hydrocarbons
10/21/2004US20040208705 In-situ process for detoxifying hexavalent chromium in soil and groundwater
10/21/2004US20040208697 Adsorptive-filtration media for the capture of waterborne or airborne constituents
10/21/2004US20040206710 Helices flow generated for filtration, floating layers scraping and discharging
10/21/2004US20040206708 Method and apparatus for adding oxygen to drinking water
10/21/2004US20040206707 Stable solution of water with chlorine-oxygen solution. Dissolving hydrogen sulfate and hydrogen peroxide
10/21/2004US20040206706 Method and apparatus for purifying water
10/21/2004US20040206705 Treatment of water with halogenated hydrocarbons such as dichloroethylene using zeolites
10/21/2004US20040206700 Anaerobic granulation tank; aerobic tank ; circulation cycles
10/21/2004US20040206683 Immersed membrane apparatus
10/21/2004US20040206682 Filter assembly utilizing carbon block and pleated filter element
10/21/2004US20040206681 Mobile desalination plants and systems, and methods for producing desalinated water
10/21/2004US20040206680 Non-chemical water treatment method and apparatus employing lonized air purification technologies
10/21/2004US20040206678 Filter device
10/21/2004US20040206627 Electrodeionization device
10/21/2004US20040206624 Diamond electrode for electrolysis
10/21/2004DE10315121A1 Splitting emulsions, separates oil phase in tank, precipitates heavy metal hydroxides from aqueous phase, dissolves them in acid and pumps to emulsion
10/21/2004CA2561481A1 Conductive polymer, conductive polymer compositions and their use
10/21/2004CA2521194A1 Germicidal low pressure mercury vapor discharge lamp with amalgam location permitting high output
10/21/2004CA2520851A1 Electrocoagulation system
10/20/2004EP1468967A2 An apparatus for sterilising and sanitising water circuits
10/20/2004EP1468966A1 Method and apparatus for purifying water
10/20/2004EP1468965A1 Diamond electrode for electrolysis
10/20/2004EP1468964A1 Method of generating fresh water and fresh-water generator
10/20/2004EP1468963A1 System for removing metals from roof runoff waters
10/20/2004EP1468608A2 Microbicidal composition
10/20/2004EP1468464A2 Method and device for deionizing cooling media for fuel cells
10/20/2004EP1468151A1 Method for sterilisation and cleaning of water supply systems, in particular in swimming and bathing pool units and device for carrying out the same
10/20/2004EP1468122A1 Method for the separation of zinc and a second metal which does not form an anionic complex in the presence of chloride ions
10/20/2004EP1467953A1 Water purification system
10/20/2004EP1467952A1 System for purifying water and method for dispensing purified water
10/20/2004EP1467951A2 Active acoustic piping
10/20/2004EP1467814A1 Process for the preparation of a microspheroidal catalyst
10/20/2004EP1467774A1 Apparatus and method for controlled delivery of a gas
10/20/2004EP1351895B1 Method and conditioning agent for treating waste water and air pollutants
10/20/2004EP1315565B1 Complexing structure, device and method for treating liquid effluents
10/20/2004EP1237822B1 Process for the control of undesirable organisms in a water system
10/20/2004EP0739416A4 Enzyme based bioremediation
10/20/2004CN2650005Y Humidity-retaining spray machine with softening function
10/20/2004CN2649621Y Magnetised water washing machine
10/20/2004CN2649582Y Ozone bioreactor
10/20/2004CN2649581Y Hospital sewage fully-closed treatment integrating apparatus
10/20/2004CN2649579Y 医用冲洗臭氧液发生器 Medical washing liquid ozone generator
10/20/2004CN2649578Y Digital controlled ozone detoxifying stainless steel water tank
10/20/2004CN2649577Y Solar photocatalytic organic waste water treating device
10/20/2004CN2649576Y Nano water-bath exchanger
10/20/2004CN2649575Y Miniature water magnetizer
10/20/2004CN2649574Y High-concentration high-colourity waste-water nano-filter treating device
10/20/2004CN2649573Y Water purifier for drinking water machine
10/20/2004CN2649572Y Multi-stage air-float equipment