| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/12/1993 | CA2079400A1 Process for enhancing the dewaterability of waste sludge from microbiological digestion |
| 04/12/1993 | CA2078807A1 Controlling apparatus for continuous electrolytic ion water producing apparatus |
| 04/12/1993 | CA2078747A1 Controlling apparatus for continuous electrolytic ion water producing apparatus |
| 04/10/1993 | WO1993007092A1 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 04/10/1993 | CA2078749A1 Controlling apparatus for continuous electrolytic ion water producing apparatus |
| 04/08/1993 | DE4233480A1 Sepg. an oil and water mixt. |
| 04/07/1993 | EP0536087A1 System-container for the prolonged diffusion of an active component |
| 04/07/1993 | EP0536059A2 Test kit and method for the determination of metal ion concentration in solution |
| 04/07/1993 | EP0536046A2 Microorganism belonging to the genus flavobacterium, hydrocarbon emulsifier and solubilizer and separation method for organic-solvent tolerant microorganism |
| 04/07/1993 | EP0535836A1 Dithiocarbamate polymers |
| 04/07/1993 | EP0535661A1 Process for removing water and substances solubles in hydrophilic solvents from finely divided solids |
| 04/07/1993 | EP0535660A1 Process for removing water and substances solubles in hydrophilic solvents from finely divided solids |
| 04/07/1993 | EP0535659A1 Process for removing water and substances solubles in hydrophilic solvents from finely divided solids |
| 04/07/1993 | EP0535657A1 Process for removing water and substances solubles in hydrophilic solvents from finely divided solids |
| 04/07/1993 | EP0535656A1 Process for removing water and substances solubles in hydrophilic solvents from finely divided solids |
| 04/07/1993 | EP0535607A2 System for purifying and degasifying water by reverse osmosis |
| 04/07/1993 | EP0535605A2 Iodide removal process |
| 04/07/1993 | EP0535544A1 Process for treating sewage |
| 04/07/1993 | EP0535320A1 Oxidation of substances in water with electrolytically in situ produced oxygen |
| 04/07/1993 | EP0535301A1 Method for the control of biofouling |
| 04/07/1993 | EP0535063A1 Method for degassing a coupling liquid for a pressure wave generator using a coupling liquid by chemical process. |
| 04/07/1993 | EP0534985A1 Water purification system with filter cleaning mechanism |
| 04/07/1993 | EP0323970B1 Sewage treatment |
| 04/07/1993 | CN2129284Y Anionic watergenerator |
| 04/07/1993 | CN2129120Y Strong magnetization device with multi-magnetic-field |
| 04/07/1993 | CN2129112Y Strong magnetic-field insulated cup |
| 04/07/1993 | CN2129111Y Combined two-layer magnetic cup with the eight diagrams |
| 04/06/1993 | US5200482 Process for the production of high molecular weight copolymers of diallyl ammonium monomers and acrylamide monomers in solution |
| 04/06/1993 | US5200156 Device for irradiating flowing liquids and/or gases with uv light |
| 04/06/1993 | US5200094 Method of recovery of printing ink wastes using elevated temperature, pressure and shear |
| 04/06/1993 | US5200092 Deodorizing by adding alkali metal permanganate and water soluble nitrate salt to water |
| 04/06/1993 | US5200091 Process to recover salt from brine waste water |
| 04/06/1993 | US5200089 Adding ferrous sulfate and a water-soluble cationic amine polymer formed by reaction of epichlorohydrin and dimethylamine; synergistic |
| 04/06/1993 | US5200088 Reduction to trivalent chromium compound by using a reducing agent sodium dithionate; precipitation, coprecipitation, |
| 04/06/1993 | US5200087 Heating, reducing with metal, vasification, reducing with metallic salt, cooling |
| 04/06/1993 | US5200086 Emulsion destabilization and treatment |
| 04/06/1993 | US5200085 Circulation; heating; pressurization; granulation; adiabatic expansion; separation; treatment of slaughterhouse waste |
| 04/06/1993 | US5200082 Method for removing toxic substances from industrial and agricultural waste water |
| 04/06/1993 | US5200071 Translating magnetic field treatment device |
| 04/06/1993 | US5200070 Bottle water filter arrangement |
| 04/06/1993 | US5200068 Controlled charge chromatography system |
| 04/06/1993 | US5200065 Tertiary waste treatment and disposal system |
| 04/06/1993 | US5200054 Dissolving metal salt; forming ice coating on cathode which has internal refrigerant conduit; depositing metal on cathode; recovering metal by melting and refreezing |
| 04/06/1993 | US5200039 Steam chamber for a water distiller with contamination prevention baffle and check valve |
| 04/06/1993 | CA2079693A1 A method of recovering the oversray from aqueous coating agents used in spray booths |
| 04/06/1993 | CA1315914C Manufacture of high molecular weight poly(vinylamines) |
| 04/06/1993 | CA1315788C 1-methyl-3,5,7-triaza-1-azoniatricyclodecane triiodide, a method of preparation, and its use in the control of microorganisms in aqueous systems |
| 04/04/1993 | CA2079701A1 Reservoir-system for sustained diffusion of an active principle |
| 04/01/1993 | WO1993006048A1 Method and apparatus for treating water and/or wastewater |
| 04/01/1993 | WO1993006046A1 A dewatering method and agent |
| 04/01/1993 | WO1993006045A1 Treatment of aqueous media containing organic material |
| 04/01/1993 | WO1993005861A1 Water filtration |
| 04/01/1993 | WO1993005694A1 Human waste disposal apparatus and process |
| 04/01/1993 | DE4232241A1 Water-soluble polymers prodn. - by suspension (co)polymerisation of N-vinyl-formamide or -acetamide, addn. of hydroxylamine to remove residual monomer, and acid hydrolysis |
| 04/01/1993 | DE4223618A1 Processing contaminated mixt. of water and sludge |
| 04/01/1993 | DE4132027A1 Fluid magnetic treatment appts. - has double-walled rust-free tube contg. magnets and deflectors with jet-shaped hollow bodies at inlet and outlet |
| 04/01/1993 | CA2119455A1 Method and apparatus for treating water and/or wastewater |
| 04/01/1993 | CA2119383A1 Treatment of aqueous media containing organic material |
| 04/01/1993 | CA2119361A1 Water filtration |
| 03/31/1993 | WO1993006906A1 Method for treating aqueous solution containing fine particles |
| 03/31/1993 | EP0534650A1 Corrosion control for wet oxidation systems |
| 03/31/1993 | EP0534364A1 Purification process for aqueous fluids containing organic and anorganic compounds |
| 03/31/1993 | EP0534029A1 Electrochemical plant and process for treating a heavy metal containing aqueous effluent |
| 03/31/1993 | EP0533728A1 Use of double-layer hydroxide compounds for coagulation |
| 03/31/1993 | EP0531364A4 Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type |
| 03/31/1993 | EP0478605B1 Device for organic neutralization and removal of phosphorus compounds present in water basins |
| 03/31/1993 | EP0289516B1 Rapid dissolving polymer compositions and uses therefor |
| 03/31/1993 | CN2128939Y Ultraviolet disinfection device for drinking water |
| 03/31/1993 | CN2128938Y Mineralize bottle with percolation filtration type epuration |
| 03/31/1993 | CN2128937Y Active water processing equipment |
| 03/31/1993 | CN2128844Y Portable cup with water purification and sterilization function |
| 03/31/1993 | CN1070386A Regeneration process for softener |
| 03/31/1993 | CN1070353A Ultrafiltration process for recovery of polymeric latices from whitewater |
| 03/31/1993 | CA2097191A1 Method for treating aqueous solution containing fine particles |
| 03/31/1993 | CA2078648A1 Test kit and method for the determination of metal ion concentration in solution |
| 03/30/1993 | US5198453 Glutaraldehyde plus 2-(thiocyanomethlthio)-benzothiazole as a biocide for industrial waters |
| 03/30/1993 | US5198122 Method of detoxification of substances by utilization of ultrasonic energy |
| 03/30/1993 | US5198118 Copper-zinc alloy |
| 03/30/1993 | US5198114 Dolomitic activated carbon filter |
| 03/30/1993 | US5198106 Unpotted apparatus for magnetically treating flowing liquids |
| 03/30/1993 | US5198083 Electrochemical cell and method of treating waste material therewith |
| 03/30/1993 | US5198076 Low-pressure desalinization device |
| 03/30/1993 | US5197823 Method and apparatus for treating PCB-containing soil |
| 03/30/1993 | CA1315465C Polymers of oxyalkylated unsaturated quaternary ammonium salts, their preparation and their use |
| 03/30/1993 | CA1315236C Ozone-generating electrolytic cell provided with a solid electrolyte for treating water |
| 03/30/1993 | CA1315160C Rapid dissolving polymer compositions and uses therefor |
| 03/28/1993 | CA2079177A1 Electrochemical apparatus and process for the treatment of heavy metal - containing aqueous effluent |
| 03/26/1993 | CA2077206A1 Corrosion control for wet oxidation systems |
| 03/25/1993 | DE4131122A1 Dishwasher waste water treatment - has a buffer to flock contained matter for sepd. by a sieve or filter |
| 03/25/1993 | DE4130975A1 Sludge water removal in reduced time - uses hydrophobic reagent additive before mechanical water extn. to reduce process times |
| 03/24/1993 | EP0533569A1 Process for the manufacture of a material for the purification of water, comprising natural cells in a micro porous matrix and the material thus obtained |
| 03/24/1993 | EP0533548A1 Magnetic descaling device |
| 03/24/1993 | EP0533205A1 A solid composition and a method for removing pollutants in solution from an aqueous medium |
| 03/24/1993 | EP0532919A1 Method for removing a heavy metal from a waste stream |
| 03/24/1993 | EP0532894A1 Weakly basic anion exchange resins, process for their preparation by aminolysis and use for removing sulfates ions from acqueous solutions |
| 03/24/1993 | EP0532797A1 A method of converting biological masses for agricultural use |
| 03/24/1993 | EP0532494A1 Improved water clarifying apparatus. |
| 03/24/1993 | EP0516744A4 Method and apparatus for recirculation of liquids |
| 03/24/1993 | CN2128632Y Anticorrosion deodorization device |
| 03/24/1993 | CN2128514Y Antiscale mineral magnetic device for air pot |