Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/1998
09/23/1998CN1193607A Wastewater treating apparatus
09/23/1998CN1193606A Method for recovering and purifying black liquor in papermaking process
09/22/1998US5811290 Applying a composition comprising an adduct of urea with a non-ionic surfactant and a phosphorus source
09/22/1998US5811224 Transporting used developer through ultrafiltration cartridges generating a clear permeate and a remainder
09/22/1998US5811014 Neutralizing the charges of the molecules in the contaminants causing separation of the molecules
09/22/1998US5811012 Deionized water or high purity water producing method and apparatus
09/22/1998US5811004 Water filtration cartridge
09/22/1998US5810999 Water strainer/purifier and method of using same
09/22/1998US5810995 Disposal of organic materials encased in metal
09/22/1998US5810977 Purifying water by superheated steam
09/22/1998US5810976 Device for processing water having high concentrations of scale forming compounds and high solids content in a high efficiency vapor compression distillation system
09/22/1998US5810975 Apparatus for extracting solid residue from a fluid by evaporation
09/22/1998US5810943 Washer apparatus with waste water pH neutralization system and method for the pH neutralization of waste water
09/22/1998US5810043 Automatic chlorinator
09/22/1998CA2141550C Aqueous suspensions of colloidal particles, preparation and use of the suspensions
09/22/1998CA2135815C Water circulation system for a multiple mineral bath
09/22/1998CA2057031C High pulsed voltage systems for extending the shelf life of pumpable food products
09/22/1998CA2043244C Apparatus for clarification of industrial sewage
09/22/1998CA2038816C Method and composition for water treatment
09/18/1998CA2217673A1 Water distiller with improved solids-removing baffle device
09/17/1998WO1998040585A1 Method for servicing the water of a swimming pool and device for implementing same
09/17/1998WO1998040536A1 Electrochemical installation
09/17/1998WO1998040426A2 Crosslinked vinylpyrrolidone with pendant divinyl moiety crosslinker
09/17/1998WO1998040316A1 Device for distributing and/or collecting water passing through an immersed filter bed and biological filter provided with same
09/17/1998WO1998040314A1 Use of alkalicarbonate peroxyhydrates in fish farming
09/17/1998WO1998040313A1 Facility for desalinating or purifying sea water or brackish water by means of solar energy
09/17/1998WO1998040146A1 Ascending filtration device for waste water
09/17/1998CA2283679A1 Method for servicing the water of a swimming pool and device for implementing same
09/17/1998CA2282507A1 Plant for desalination or purification of sea or brackish water by means of solar energy
09/16/1998EP0864923A1 Process for the recovery of silver from hardening photoprocessing solutions
09/16/1998EP0864533A2 Method of purifying alkaline solution and method of etching semiconductor wafers
09/16/1998EP0864530A2 Process for the preparation of aqueous chlorine dioxide solution for disinfecting raw and waste water
09/16/1998EP0864334A1 Method of regenerating dialyzer and regenerative apparatus
09/16/1998EP0863848A1 Back-flushable filter cartridge and method of back-flushing same
09/16/1998EP0863794A1 Process and plant for introducing a gas into a liquid
09/16/1998EP0863793A1 Method for cleaning an immersed-membrane filtration apparatus
09/16/1998EP0804385B1 Apparatus for the purification of water contaminated with oil
09/16/1998EP0722423B1 Photodetector apparatus
09/16/1998CN2291414Y Anti-vibration purifying and filtering magnetizer
09/16/1998CN2291413Y 'Taikong' water and beverage treatment machine
09/16/1998CN2291412Y 蒸馏水机 Distilled water machine
09/16/1998CN2291411Y Intermediate drainage system capable of making resin regenerate
09/16/1998CN1192998A Paper-making waste-liquid treatment process and treatment apparatus therefor
09/16/1998CN1192997A Process for extracting solutable materials by mechanical force and apparatus therefor
09/16/1998CN1192996A Recovering of paper-making black liquor alkali and separating and using of lignin etc. solid products
09/16/1998CN1192995A Method for processing clean ice
09/16/1998CN1192994A Automatic dirt-railing of waste water for environment protection
09/16/1998CN1192938A Apparatus and method for fluid treatment units connected in parallel
09/15/1998US5808103 Derivatized rhodamine dye and its copolymers
09/15/1998US5807496 Compositions comprising polyamine and melaminealdehyde
09/15/1998US5807491 Electron beam process and apparatus for the treatment of an organically contaminated inorganic liquid or gas
09/15/1998US5807489 Cationic polymer
09/15/1998US5807487 Acidification; coagulation; ion exchanging
09/15/1998US5807486 Process for the treatment of hazardous waste water
09/15/1998US5807484 Waste water treatment
09/15/1998US5807473 Electrolytic water treatment
09/15/1998CA2112989C Compositions for treating waste water which contains heavy metals
09/15/1998CA2104433C Modular shipboard membrane bioreactor system for combined wastewater stream
09/15/1998CA2094442C Apparatus and method for treating water with ozone
09/15/1998CA2029058C Opthalmic fluid dispensing method
09/11/1998WO1998039564A1 A method and a device for the magnetic activation of solid, liquid and gas media, especially coal dust and other hydrocarbon fuels
09/11/1998WO1998039258A1 Process for treating wastewater
09/11/1998WO1998039252A1 Method of removing sulfate ions from aqueous solution of alkali metal chloride
09/11/1998WO1998039108A1 An apparatus and method for cleaning
09/11/1998WO1998039085A1 High resistivity water production
09/11/1998WO1998038865A1 Method, composition and system for the controlled release of chlorine dioxide gas
09/11/1998WO1998030501A3 Treatment of water by reverse osmosis
09/09/1998EP0863520A2 Electrode manufacturing process and flow-through capacitor produced therefrom
09/09/1998EP0863138A1 A process for recovering mercapto-s-triazines from silver precipitate
09/09/1998EP0863113A1 Process for treating wastewater
09/09/1998EP0863111A1 Process for the decoloration of an effluent containing aromatic amines
09/09/1998EP0862942A2 Apparatus for producing deionized water
09/09/1998EP0862636A1 Malathion carboxylesterase
09/09/1998EP0862539A1 Method for pretreating raw water
09/09/1998EP0862538A2 Process and device for treating water contaminated with micro-organisms and/or harmful pollutants
09/09/1998EP0641292B1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation
09/09/1998CN2290597Y Mini-size water magnetizing appts.
09/09/1998CN2290596Y Magnetizing water purifying tap
09/09/1998CN2290595Y Electrode sterilizing sewage treating machine
09/09/1998CN2290594Y Conversely permeating table water drinker
09/09/1998CN2290593Y High effective dissolved-gas releasing device
09/09/1998CN2290412Y Two-side magnetized blow head
09/09/1998CN2290270Y Folding water purifying cup
09/09/1998CN1192649A Tabletized ionene polymers
09/09/1998CN1192425A 水净化器 Water purifiers
09/09/1998CN1039701C Method and solid material body for purifying fluids such as water, aqueous fluids and liquid fuels
09/08/1998US5804606 Suspension polymerization of mono- and di-vinyl aromatics, oxygen-containing crosslinkers in presence of phase extender; improved stability, capacity.
09/08/1998US5804424 Process for the production of hydrogen using photosynthetic proteobacteria
09/08/1998US5804081 Wastewater treatment
09/08/1998US5804078 Method of removing water soluble organics from oil process water
09/08/1998US5804076 Method for treatment of waste water and/or exhaust gases containing flourine and surface active agents
09/08/1998US5804068 Magnetic fluid treatment device
09/08/1998US5804067 Apparatus for magnetic treatment of liquids
09/08/1998US5804065 Control apparatus for marine animals
09/08/1998US5804057 Method of removing metal salts from solution by electrolysis an electrode closely associated with an ion exchange resin
09/08/1998US5804044 Electrolysis device and method using a porous electrode
09/08/1998US5803139 System for supplying readily available potable water
09/07/1998CA2226254A1 Electrode manufacturing process and flow-through capacitor produced therefrom
09/03/1998WO1998038222A2 Cyclodextrin modifications with molecular channels, method for the production and use thereof
09/03/1998WO1998038134A1 Closed chemically enhanced water treatment system