Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/1996
11/14/1996CA2194295A1 Dadmac/vinyl trialkoxysilane copolymers and their use in wastewater treatment
11/13/1996EP0742178A1 Ketone-based surfactant and method for treating industrial, commercial and institutional waste-water
11/13/1996EP0742177A1 Aldehyde-based surfactant and method for treating industrial, commercial, and institutional waste-water
11/13/1996EP0742176A1 Water treatment with algicides
11/13/1996EP0741672A1 Method for purifying an organic waste-containing medium
11/13/1996EP0741670A1 Unit for treating water by ozonation, and corresponding ozonised water production apparatus
11/13/1996EP0741669A1 Process and device for thermally separating components of a liquid
11/13/1996EP0741611A1 Process for soil decontamination by oxidation and vacuum extraction
11/13/1996EP0741599A1 Optimised process for the regeneration of streams of steam-based vapours
11/13/1996EP0700476A4 Improvements in bioremediation of hydrocarbon contaminated soils and water
11/13/1996EP0688303B1 Improved method for purifying waste water using activated sludge to increase purification yields
11/13/1996EP0653950B1 Material for extracting hydrophobic components dissolved in water
11/13/1996CN2239964Y Device for sterilizing drinking water using ozone
11/13/1996CN2239963Y High-efficiency stainless steel pipe drinking water purifier
11/13/1996CN1135764A Multimodal emulsions and processes for preparing multimodal emulsions
11/13/1996CN1135723A Evaporation means and method
11/13/1996CN1135465A Activating water and usage thereof
11/13/1996CN1135464A Method for treatment of waste water in synthesization of dimethyl disulfide
11/13/1996CN1135463A Method for treatment of metal in nylon 1010 catalyst water-washing waste water
11/13/1996CN1135462A Method for separating suspension from waste liquid in production of acetone and butanol by fermentation method and apparatus thereof
11/13/1996CN1135461A Progressively-pressure-increasing turbo-solar-generating waste-heat water-purifying machine
11/13/1996CN1135460A Technology for comprehensive treatment and utilization of waste liquid, solid and gas from paper-making mill
11/13/1996CN1135369A Method for treatment of mixed gas containing ozone and equipment thereof
11/13/1996CN1135308A Natural edible-plant health-care drink and preparation method thereof
11/13/1996CN1033269C Method for treatment of glue wastewater by using chemical mixing-condensation precipitation method
11/13/1996CN1033268C Polymerization silicic-acid-aluminium sulfate and production technology thereof
11/12/1996US5573895 Using distillate as solvent
11/12/1996US5573817 Method and apparatus for delivering a substance into a material
11/12/1996US5573795 Waste water from potato processing, heat treatment, treatment with protease, concentration
11/12/1996US5573677 Washing machine rinse water recovery apparatus and method
11/12/1996US5573676 Aox = absorbable organic substances; cod = chemical oxygen demand; use of hydrogen peroxide, uv radiation, reducing agent and precipitation
11/12/1996US5573675 Clarification of deinking process waters using polymers containing vinylamine
11/12/1996US5573674 Activated silica sol
11/12/1996US5573670 Method for treatment of waste water by activated sludge process
11/12/1996US5573666 Replaceable integrated water filtration and sterilization cartridge and assembly therefor
11/12/1996US5573665 Three chamber consecutive flow water treatment device
11/12/1996US5573664 Water magnetization apparatus having insertable magnetizing unit
11/12/1996US5573662 Apparatus for treatment of low-concentration organic waste water
11/12/1996US5573661 Retrofit waste vault system
11/12/1996US5573641 Method for preventing microbial deposits in the wet end of papermachines using ethylene oxide/propylene oxide copolymer
11/12/1996CA2066631C Catalytic destruction of sulfur-oxygen anions
11/12/1996CA2049681C Removal of cyanide from aqueous streams
11/12/1996CA2033458C Water treatment system with preservice rinse
11/07/1996WO1996034999A1 Bromide removal
11/07/1996WO1996034832A1 Processed potable water capable of being strored for long period of time and method of rendering the same harmless
11/07/1996WO1996034831A1 Sea water desalting unit using concentrated optical means
11/07/1996WO1996034830A1 Wastewater treatment
11/07/1996DE19517381C1 Commercial scale ultrasonic reactor for sludge treatment
11/07/1996DE19517320A1 Selectively removing mercury@ from power station or incineration gases washing water
11/07/1996DE19515428A1 Swimming pool water treatment process using less chemicals to eliminate microorganisms and organic nutrients for them
11/07/1996CA2219901A1 Wastewater treatment
11/06/1996EP0741110A1 Water treatment methods
11/06/1996EP0741109A2 Method and composition for enhancing biocidal activity
11/06/1996EP0740582A1 Oil-absorbing article
11/06/1996EP0691937A4 Method of treating water
11/06/1996CN2239543Y Water saving tap
11/06/1996CN2239425Y Household water purifier
11/06/1996CN2239424Y Portable ozone water purifying and sterilizing device
11/06/1996CN2239423Y Link-body fast assembly water treatment unit
11/06/1996CN1135241A Method for treating waste liquor from final water washing tank used in cation electrodeposition painting
11/06/1996CN1135204A Method for purifying process water from pulp manufacture
11/06/1996CN1134913A Method and equipment for preparing ozone-containing water with function of treating ozone-containing water
11/06/1996CN1134852A Aeration sea water type technology for removing sulphur from smoke and aeration device
11/05/1996US5571715 Surface active metal chelated nutrients for bioremediation of hydrocarbon contaminated soils and water
11/05/1996US5571419 Water treatment with hydrofluoric acid for total organic content and ion exchanging
11/05/1996US5571385 Method and apparatus for water purification
11/05/1996US5571234 Method of removing inorganic metallic compounds from solutions
11/05/1996CA2172467A1 Water treatment methods
10/1996
10/31/1996WO1996033951A1 Treatment for inhibiting microbial adhesion on surfaces
10/31/1996WO1996033947A1 Process for producing a chlorine dioxide-containing disinfectant solution for water treatment
10/31/1996DE19515828A1 Integrated filter and photocatalysis device for removing contaminants from liquids
10/31/1996DE19514612A1 Verfahren zur Herstellung einer wässrigen Chlordioxid-Lösung A process for producing an aqueous chlorine dioxide solution
10/30/1996EP0740329A1 Apparatus and method for cleaning semiconductor wafers
10/30/1996EP0739859A1 Apparatus and method for waste water treatment using charcoal biologically activated
10/30/1996EP0739858A2 Liquid separator and polishing filter thereof
10/30/1996EP0739485A1 A method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor
10/30/1996EP0739416A1 Enzyme based bioremediation
10/30/1996EP0739313A1 Method for the supercritical water oxidation of organic compounds
10/30/1996EP0739312A1 Bottle water disinfection system
10/30/1996EP0739311A1 Liquid decontamination system using electrical discharge with gas injection
10/30/1996EP0739215A1 Uv disinfection unit
10/30/1996EP0689522B1 Method of separating anionic organic compounds out of aqueous solution
10/30/1996EP0648147B1 Device for electroosmotically dewatering loaded materials, and related operating methods
10/30/1996EP0630477B1 Particle aggregation method and apparatus
10/30/1996CN2239056Y Alarm apparatus for water-supply cut-off and power cut of electric heating distilled water apparatus
10/30/1996CN2238833Y Electrostatic descaling apparatus
10/30/1996CN2238830Y Magnetic-electric purifying device for water (or oil)
10/30/1996CN2238829Y Dissolved gas releaser
10/30/1996CN2238828Y Combined water purifying treatment device
10/30/1996CN2238641Y Strong magnetic feeding bottle
10/30/1996CN1134454A Health wine
10/30/1996CN1134400A Crystalline sheet sodium silicate
10/30/1996CN1033160C Purifying method for removing hexavalence chromium in drinking water
10/29/1996US5569809 Method for destruction of chlorinated hydrocarbons
10/29/1996US5569388 Electrolytic removal of ionic material
10/29/1996US5569386 Reacting metal cyanide with formaldehyde or source of fomaldehyde and water forming glyconitrile, perhydrolysis of glyconitrile using hydrogen peroxide
10/29/1996US5569385 Treatment with coagulant, rendering of effluents for animal feeds
10/29/1996US5569384 Process for recovering the overspray of aqueous coating agents during spray application in spray booths
10/29/1996US5569380 Portable water filtering device
10/29/1996US5569374 Portable drinking water filtration apparatus