| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 09/28/1993 | US5248437 Method for the magnetic inhibition of protista |
| 09/28/1993 | US5248436 Method for dispensing a fluidic media for treatment of waterborne spilled petroleum |
| 09/28/1993 | US5248419 Sewage sludge treatment with gas injection |
| 09/28/1993 | US5248417 Double flow-through filtration apparatus |
| 09/28/1993 | US5248416 Sewage treatment system |
| 09/28/1993 | US5248401 Ion exchange |
| 09/28/1993 | US5248395 Water treatment to remove metals and organics |
| 09/28/1993 | US5248394 Liquid purifying/distillation device |
| 09/28/1993 | US5248391 Oil absorbent material |
| 09/28/1993 | US5248387 Process for producing concentrated aqueous slurries and spray dried particulate products |
| 09/28/1993 | US5248221 Antifouling coating composition comprising lactone compounds, method for protecting aquatic structures, and articles protected against fouling organisms |
| 09/28/1993 | CA1322519C Method of cleaning exhaust gas of drying plants and an apparatus for implementing such method |
| 09/26/1993 | CA2091740A1 A method of treatment of a fluid containing volatile organic halogenated compounds |
| 09/25/1993 | CA2092234A1 Glutaraldehyde plus 2-(thiocyanomethlthio)-benzothiazole as a biocide for industrial waters plus pulp and paper systems |
| 09/24/1993 | WO1993018834A1 Liquid purifying/distillation device |
| 09/24/1993 | CA2132619A1 Liquid purifying/distillation device |
| 09/23/1993 | DE4308380A1 Micro-filtration assembly - has compressed air membrane pump and robust membranes in filtration module for processing highly abrasive media |
| 09/23/1993 | DE4209180A1 Heavy metal recovery - by adding organic degrading reduction agent to contaminated watery waste, for redn. into free metal for physical sepn. |
| 09/23/1993 | DE4209056A1 Physical-chemical waste water purificn. - in which part of the waste flow is subjected to electron irradiation with gas stream contg. ozone |
| 09/23/1993 | DE4208370A1 Prodn. of very fine gas bubbles from high-pressure gasified liq. - involves subjecting liq. to pressure considerably below its vapour pressure |
| 09/23/1993 | DE4208355A1 Rubbish incinerator gas treatment - uses added hydrochloric acid gas at incineration to give improved mercury extraction at the washing stage |
| 09/22/1993 | EP0561760A1 Extracting organic compounds from aqueous solutions |
| 09/22/1993 | EP0561555A1 Improved countercurrent regeneration process |
| 09/22/1993 | EP0561458A1 Process and apparatus for the purification of water |
| 09/22/1993 | EP0561170A1 Disposal apparatus for separating oil from waste water |
| 09/22/1993 | EP0561147A1 Water treatment device for dishwashers |
| 09/22/1993 | EP0560980A1 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 09/22/1993 | EP0560877A1 Method and apparatus to detoxify aqueous based hazardous waste |
| 09/22/1993 | EP0560767A1 Waste materials concentrator |
| 09/22/1993 | CN2142458Y Magnetic device for controlling water quality |
| 09/22/1993 | CN2142457Y Multistage commutative internal magnetism type magnetic pot |
| 09/22/1993 | CN2142456Y Oil isolation filtrating device with granular filter |
| 09/22/1993 | CN2142303Y Multi-function health-care cup |
| 09/22/1993 | CN1076429A New polyaluminumchlorosulfates and preparation and uses thereof |
| 09/22/1993 | CN1076428A Powder capable of purifying bath water and moistening skin |
| 09/21/1993 | US5247179 Activation energy providing device |
| 09/21/1993 | US5246686 Basic aluminum chlorosulfate flocculating agents |
| 09/21/1993 | US5246598 Destruction of cyanide and other pollutants in aqueous solutions |
| 09/21/1993 | US5246597 Method of treating a spent caustic stream from a sour water stripper to reduce the sulfide content thereof |
| 09/21/1993 | US5246596 Method of treating waste to make it suitable for ultimate disposal |
| 09/21/1993 | US5246595 Sulfites |
| 09/21/1993 | US5246593 Measurement of concentration of dissolved solutes, calculation of solubility of solutes and adjustment of geothermal fluid |
| 09/21/1993 | US5246591 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 09/21/1993 | US5246590 Water treatment to reduce fog levels controlled with streaming current detector |
| 09/21/1993 | US5246586 Apparatus and method for producing ultrapure water and method of controlling the apparatus |
| 09/21/1993 | US5246584 Method and apparatus for destroying organic contaminants in aqueous liquids |
| 09/21/1993 | US5246556 Spraying, dissolving |
| 09/21/1993 | US5246542 Evaporation and recovery process for bleached chemical thermo-mechanical pulp (BCTMP) effluent |
| 09/21/1993 | US5246467 Dyeing a substrate and removal of unreacted dye by washing |
| 09/21/1993 | CA1322351C Drink supply system having sterilization means |
| 09/20/1993 | CA2088393A1 Method for stabilizing metals in wastewater sludge |
| 09/19/1993 | CA2090626A1 Countercurrent regeneration process |
| 09/18/1993 | CA2092683A1 Automatic chlorinating apparatus |
| 09/18/1993 | CA2089523A1 Water treatment device for dishwashers |
| 09/16/1993 | WO1993017974A1 Effluent treatment systems |
| 09/16/1993 | WO1993017973A1 Catalytic fluidised bed process for treating aqueous liquids |
| 09/16/1993 | WO1993017972A1 Method of recovering volatile acids |
| 09/16/1993 | WO1993017971A1 Materials and methods for enhanced photocatalyzation of organic compounds |
| 09/16/1993 | WO1993017790A1 Abrasion-resistant carrier catalyst |
| 09/16/1993 | WO1993017786A1 Abrasion-resistant catalyst carrier |
| 09/16/1993 | WO1993017753A1 Cosmic magnetic cone |
| 09/16/1993 | WO1993017725A1 Treatment of liquid on demand |
| 09/16/1993 | DE4207962A1 Katalytisches wirbelschichtverfahren zur behandlung waessriger fluessigkeiten The catalytic fluidized-bed process for the treatment of aqueous liquids |
| 09/16/1993 | DE4207961A1 Abriebfester katalysator-traeger Abrasion-resistant catalyst-traeger |
| 09/16/1993 | DE4207960A1 Sepg. or reducing oxygen@, nitrite and/or nitrate content contained in water - by treating with hydrogen@, using catalyst comprising palladium, rhodium or copper |
| 09/16/1993 | DE4207959A1 Palladium and rhodium or copper catalyst impregnated in alumina carrier - for separating nitrites and/or nitrates from water, and having abrasion resistance |
| 09/16/1993 | DE4207619A1 Appts. for treatment of liq. esp. waste water using UV light - has receptacle with sealable door or window for providing access from outside to treatment chamber |
| 09/16/1993 | DE4207601A1 Liquid purificn. assembly esp. for layer - has spray head with inlets in water pipe or vessel to generate turbulent flow for water feed, eliminating e.g. bacteria, germs, fungi, etc. |
| 09/15/1993 | EP0560725A1 Process for purifying water |
| 09/15/1993 | EP0560505A2 Wet oxidation of ammonium salt containing liquors |
| 09/15/1993 | EP0560175A1 Method for recovering the overspray of a water-based coating material produced by spray coating in a spray booth |
| 09/15/1993 | EP0559857A1 Aerator for a liquid-filled basin. |
| 09/15/1993 | EP0559722A1 Process for treatment of contaminated wastewater or groundwater |
| 09/15/1993 | EP0500592B1 Low effluent replenishment system for colour negative developers |
| 09/15/1993 | CN2142111Y Device for treating water |
| 09/15/1993 | CN2141984Y Magnetic kettle with constraint magnetic field |
| 09/15/1993 | CN1076177A Technical specification and equipment for ozone sterilization of drinking mineral water |
| 09/15/1993 | CN1076176A High-efficient compound adsorbent for defluorination of drinking water |
| 09/15/1993 | CN1022092C Application of water soluble barium salt for reducing water soluble azo-compound |
| 09/14/1993 | US5245111 Method and apparatus for treatment of liquid photographic processing wastes |
| 09/14/1993 | US5245106 Copper sulfide |
| 09/14/1993 | US5245031 1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosion |
| 09/14/1993 | US5244667 Ion exchangeable metal in aluminosilicate coating |
| 09/14/1993 | US5244653 Glycine anhydride dimethylol as a biocide and preservative |
| 09/14/1993 | US5244645 Process for removing NH3 from a liquid stream |
| 09/14/1993 | US5244600 Glucoheptonic acid |
| 09/14/1993 | US5244585 Method of cleaning porous ceramic filters |
| 09/14/1993 | US5244581 Chemical process for the catalytic oxidation of formaldehyde and other organic compounds |
| 09/14/1993 | US5244580 Adsorption on ferrite powder, magnetic separation |
| 09/14/1993 | US5244579 Transportable reverse osmosis water purification unit |
| 09/14/1993 | US5244576 Spent caustic treatment |
| 09/14/1993 | US5244575 Adding organic solvent to aqueous solution including soap liquors, shaking mixture, adding inorganic salt to separate mixture into layers, separating and removing one of the layers including solvent and contaminants from mixture |
| 09/14/1993 | US5244574 Liposomes |
| 09/14/1993 | US5244573 Paint sludge separator tank |
| 09/14/1993 | US5244570 Apparatus for treating wastewater |
| 09/14/1993 | US5244550 Two liquid separating methods and apparatuses for implementing them |
| 09/14/1993 | US5244503 Polymeric oil adsorbents |
| 09/14/1993 | US5244013 Water conditioner rotary valve drive system |
| 09/13/1993 | CA2091509A1 Device for concentrating and/or drying sludge |
| 09/10/1993 | CA2091297A1 Process for recovering the overspray of aqueous coating agents during spray application in spray booths |