Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/1994
09/29/1994WO1994021349A1 Flocculant composition for removing trihalomethane and its precursors
09/29/1994WO1994021347A1 Water treatment process
09/29/1994WO1994021125A1 Halogen compositions for water treatment and method of preparation thereof
09/29/1994WO1994021122A1 Inhibition of microbial growth in aqueous streams
09/29/1994CA2158262A1 Halogen compositions for water treatment and method of preparation thereof
09/28/1994EP0616980A1 Tandem waste stream treatment for the removal of nitroaromatics and nitrophenolics
09/28/1994EP0616979A2 Method for solubilizing silica
09/28/1994EP0616978A1 Process and precipitant for separating organic pollutants from waste water
09/28/1994EP0616977A1 Stepwise magnetic anti-scaling device
09/28/1994EP0616976A1 Water softening apparatus
09/28/1994EP0616975A2 Home water purification system
09/28/1994EP0616826A1 Water filter Cartridges
09/28/1994EP0616822A1 Process for operating an adsorber and device for performing the process
09/28/1994EP0616603A1 Separation of heavy metals from aqueous media.
09/28/1994EP0601023A4 Dewatering slurries.
09/28/1994EP0465485B1 Method for separating oil and water emulsions
09/28/1994CN2178239Y Bryophyte remover for cistern
09/28/1994CN2178238Y Pen type personal drinking water disinfector
09/28/1994CN2178135Y Water filtering and disinfecting apparatus
09/28/1994CN2178075Y Pen type health-care drinking straw
09/28/1994CN2178065Y Health protection magnetic water bottle
09/28/1994CN1092824A Method and apparatus for treatment of industrial rinsed water
09/28/1994CN1092821A Fluid treatment device and method
09/28/1994CN1092592A Dual-functional oxygen enriching agent
09/27/1994USRE34740 Styrene-vinylpyridine copolymer
09/27/1994US5351199 Programmable water treatment controller for progressive flow systems
09/27/1994US5350524 Mixed polysaccharide precipitating agents and insulating articles shaped therefrom
09/27/1994US5350522 Treatment of effluents from photographic processes for pollution control
09/27/1994US5350519 Pervaporation process and use in treating waste stream from glycol dehydrator
09/27/1994US5350516 Treatment with sulfur dioxide
09/27/1994US5350512 Chlorination and dechlorination apparatus and method
09/27/1994US5350511 Sewage purification apparatus
09/27/1994US5350509 Deep water disbursement tube
09/27/1994CA1332197C Gas assisted flotation process and apparatus
09/25/1994CA2116149A1 Method for solubilizing silica
09/22/1994DE4308416A1 Apparatus for the magnetic treatment of flowing liquids, inorganic and/or organic mixtures or solutions, in particular water
09/22/1994DE4308159A1 Process for decreasing the COD load in wastewater
09/21/1994EP0615790A1 System for supplying ultrapure water and method of washing substrate, and system for producing ultrapure water and method of producing ultrapure water
09/21/1994EP0615473A1 Method and device for removing one or more contaminations from a bulk material.
09/21/1994EP0483332B1 Electrolytic cell for waste water treatment
09/21/1994CN2177844Y 磁水龙头 Magnetic faucet
09/21/1994CN2177718Y Automatic bed apparatus for removing fluorine
09/21/1994CN2177717Y Magnetic apparatus for removing fluorine
09/21/1994CN2177716Y Continuous medicine-solving device
09/21/1994CN2177715Y Waterpower spiral-flow medicine-solving device
09/21/1994CN2177714Y Magnetism aid for magnetic cup
09/21/1994CN2177713Y Externally clamped household water magnetizer
09/21/1994CN2177712Y Efficient pot for separating oil from water
09/21/1994CN2177711Y Gas flotation machine for treating waste water with top sealed by thick oil
09/21/1994CN2177710Y Self-control bag type regulating pot
09/21/1994CN2177709Y Device for lifting drug
09/21/1994CN2177708Y 净水器 Water Purifier
09/21/1994CN2177516Y Combined filter with changeable filtering material
09/21/1994CN2177405Y Electric forceful magnetic cup
09/21/1994CN1092478A Method and apparatus for generation of electrolyte
09/21/1994CN1092477A Method and apparatus for wet treatment of solid surfaces
09/21/1994CN1092386A Treatment of highly colored wastewaters
09/21/1994CN1092385A Inhibition of microbial growth in aqueous streams
09/21/1994CN1092380A Producing process for aluminium oxide magnetized slurry
09/21/1994CN1025965C Comprehensive processing for extracting humic acid from paper making black liquid
09/21/1994CN1025954C Treating method for fluorine containing water
09/20/1994US5348803 Microcapsules and method for degrading hydrocarbons
09/20/1994US5348724 Contacting with coke for catalytic reduction; purification of acids
09/20/1994US5348721 Polyaluminumchlorosulfates and preparation and uses thereof
09/20/1994US5348665 Method for the degradation of harmful substances in water by means of hydrogen peroxide under UV irradiation
09/20/1994US5348664 Process for disinfecting water by controlling oxidation/reduction potential
09/20/1994US5348663 Control of bromination of drinking water
09/20/1994US5348662 Removal of heavy metals such as arsenic, tin and lead from water by precipitation and oxidation of organics and metals and separation
09/20/1994US5348661 Oil absorption method and apparatus utilizing a replaceable bladder
09/20/1994US5348659 Countercurrent regeneration process
09/20/1994US5348629 Contacting an electrolyte containing the material /which is an agueous solution or emulsion or suspension/ with an anode and cathode, inducing formation of migrational transport layer at cathode to provide local electromagnetic field
09/20/1994US5348623 Water heating and distilling apparatus
09/20/1994US5348622 Solar water purification device
09/20/1994US5348588 Evaporative treatment of inorganic saponifier wash water
09/20/1994US5348050 Magnetic fluid treatment device
09/20/1994CA1332082C Microbiological decomposition of chlorinated aliphatic hydrocarbons
09/20/1994CA1332080C Apparatus and process for forming uniform, pelletizable sludge product
09/15/1994WO1994020591A1 Method for the reductive decomposition of chemical contaminants
09/15/1994WO1994020426A1 Process for biological water purification with integrated buffering
09/15/1994WO1994020425A1 Improved method for purifying waste water using activated sludge to increase purification yields
09/15/1994WO1994020424A1 Method for disinfecting water such as drain water in horticulture, and appliance to be used therewith
09/15/1994WO1994020423A1 Catalytic treatment process for effluents containing organic and inorganic compounds, preferably from epichlorhydrine production
09/15/1994WO1994020422A1 Method and device for purifiying, remineralising and stabilising tap water
09/15/1994WO1994020421A1 Silicone based polymers as spill treating agent
09/15/1994WO1994020420A1 Improvements to ionic disinfection systems
09/15/1994WO1994020419A1 Process and installation for preparating cellulose waste lye
09/15/1994WO1994020418A1 Immersion lamp for a photochemical reactor and its use
09/15/1994WO1994020417A1 Flocculating agents
09/15/1994WO1994020208A1 Fluid treatment system and process
09/15/1994WO1994020203A1 Method of producing spherical particles
09/15/1994WO1994020202A1 Method of removing oxygen, nitrites and/or nitrates from water
09/15/1994WO1994020196A1 Process and plant for exhaust gas purification and a combination of this exhaust gas purification with that of waste water
09/15/1994WO1994020191A1 System and method for dispensing a treating material
09/15/1994WO1994019943A1 Ionene polymers as microbicides
09/15/1994EP0637914A4 Compositions and methods for controlling the growth of microbials in aqueous media.
09/15/1994DE4400982A1 Compositions for treating wastewater containing heavy metals
09/15/1994DE4312580C1 Small water treatment unit based on ion exchanger with the facility for regeneration and thermal disinfection
09/15/1994DE4307814A1 Process for separating out total inorganic carbon (TIC) in water, in particular waste water, and degassing element therefor
09/15/1994DE4307591A1 Process for the reduction of nitrite concentration in phosphate bath systems
09/15/1994DE4307468A1 Process for precipitation of heavy metals, uranium and toxic metals in the rehabilitation of mining installations, in particular from contaminated waters