Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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06/29/1988 | EP0272883A2 Method of concentrating photographic process waste liquor by evaporation |
06/29/1988 | EP0272673A2 Method for conditioning and dewatering sludges |
06/28/1988 | US4753961 Biocidal compositions and use thereof containing a synergistic mixture of 2-bromo-2-nitropropane-1,3-diol and tetradecyl dimethyl sulfonium methosulfate |
06/28/1988 | US4753781 Dishwashers, jars |
06/28/1988 | US4753738 Sludge conditioning process |
06/28/1988 | US4753728 Charcoal bonded by polyethylene |
06/28/1988 | US4753632 Device for separating fine particles of solid matter from waste fluid |
06/23/1988 | DE3741583A1 Method for destroying microbes in process water of paper-mills |
06/23/1988 | DE3643205A1 Method for conditioning sewage sludge with calcium carbonate |
06/23/1988 | DE3642638A1 Process and apparatus for the generation of ozone |
06/23/1988 | DE3642419A1 Process for treating a free-flowing mixture containing a liquid phase |
06/22/1988 | EP0272013A2 Process for inhibiting scale formation |
06/22/1988 | CN87212393U Health care air pot capable of magnetizing water |
06/22/1988 | CN87205382U High frequency treatment machine for water |
06/22/1988 | CN87203438U 流体磁化装置 Fluid magnetization device |
06/21/1988 | US4752401 Germicidal ultraviolet lamp |
06/21/1988 | US4752398 Cysteine residue fixed to insoluble carrier |
06/21/1988 | US4752397 Process for removing heavy metal ions from solutions using adsorbents containing activated hydrotalcite |
06/21/1988 | US4752392 Filtration apparatus having a plurality of filtration beds |
06/21/1988 | US4752389 For household use |
06/21/1988 | US4752364 Method for treating organic waste material and a catalyst/cocatalyst composition useful therefor |
06/21/1988 | US4752363 Adding alkali metal hydroxide, filtration and electrolysis |
06/21/1988 | US4752318 Aqueous system treated with a biocide |
06/21/1988 | US4752308 Pressurizing and directing into high pressure solids separator at same temperature as quench chamber |
06/21/1988 | US4752306 Improved mass transfer |
06/21/1988 | US4752283 Waste water cleaning system for use with apparatus for processing exposed lithographic plates |
06/21/1988 | US4752131 Laser-optical arrangement for measuring the degree of dispersion in flowing systems |
06/21/1988 | CA1238431A1 Flocculation of coal particles and coal slimes |
06/21/1988 | CA1238257A1 Process of producing a flocculating agent |
06/16/1988 | WO1988004282A1 Sludge restructuring and conversion method |
06/16/1988 | WO1988004281A1 Improvements in fluid media sterilization apparatus |
06/16/1988 | WO1988004193A1 Liquid purification system |
06/16/1988 | DE3641269A1 Process for treating waste waters containing photoresists |
06/16/1988 | DE3506042A1 Control even for only partially discharged water treatment units having measuring and/or inspection points for the water and/or the exchanger batch for matching the regular regeneration to the respective degree of exhaustion of the overall exchanger batch |
06/15/1988 | EP0271065A2 Method and apparatus for treating fluids |
06/15/1988 | EP0270993A2 Process for preventing the development and multiplication of harmful germs in the water of a sanitary hot water system, and applicances therefor |
06/15/1988 | EP0270936A1 Method of removal of polycyclic aromatic hydrocarbons from a liquid |
06/15/1988 | EP0270879A1 Method and apparatus for disinfecting aqueous mediums, especially drinking water |
06/15/1988 | CN87212407U High voltage static electric water treeting device |
06/15/1988 | CN87211745U Catalyst reaction cryogenic desorption and oxygen removing system |
06/15/1988 | CN87211160U Fluidized bed water treating device with three towers |
06/15/1988 | CN87210087U Automatic quantitive program control ion exchanger |
06/15/1988 | CN87106325A Process for desulfurization of flue gases |
06/14/1988 | USRE32694 Separation of cobalt and nickel by solvent extraction |
06/14/1988 | US4751392 Apparatus for sterilizing liquids |
06/14/1988 | US4751005 Wet oxidation with oxygen and composite metal oxide catalyst |
06/14/1988 | US4750998 Desalting filtration device |
06/14/1988 | CA1238146A1 Monitoring method for polyacrylic acids in aqueous systems |
06/14/1988 | CA1238132A1 Aqueous polymer dispersions |
06/14/1988 | CA1238012A1 Apparatus for the treatment of water |
06/09/1988 | DE3640542A1 Process for the continuous physicochemical treatment of water, in particular drinking water |
06/08/1988 | EP0270382A2 Method for treating photographic processing waste solution |
06/08/1988 | EP0270358A2 Method of concentrating photographic process waste liquor by evaporation |
06/08/1988 | EP0270129A2 Antibiotic zeolite |
06/08/1988 | EP0269941A1 Fluid sterilizing process and device |
06/08/1988 | EP0269769A1 Filtration with biogenetic silica |
06/08/1988 | EP0269659A1 Novel compositions and method for neutralization and solidification of hazardous alkali spills |
06/08/1988 | CN87210733U Treatment installation for sewage containing chromium |
06/07/1988 | US4749537 Surface oxidation of pressure-shaped microbiocidal metal compound; sustained release |
06/07/1988 | US4749497 Method and apparatus for treatment of acidic water |
06/07/1988 | US4749496 Filtration through open cell foam containing active powdered materials |
06/07/1988 | US4749492 Dilution and settling slurry; flocculation |
06/07/1988 | US4749491 Microbiological decomposition of chlorinated aliphatic hydrocarbons |
06/07/1988 | US4749484 Home water filter |
06/07/1988 | US4749481 A flat packet or pad; for coffee makers, ice makers |
06/07/1988 | US4749457 Parts of consumable aluminum electrode short circuiting against a platinum electrode |
06/07/1988 | US4749456 Electrolytic recovery of copper from waste water |
06/07/1988 | US4749447 Evacuated evaporation-pressurized condensation solar still |
06/07/1988 | US4749394 Method and apparatus for freeze drying |
06/07/1988 | CA1237644A1 Process for treating and recovering pickling waste liquids for stainless steel |
06/02/1988 | WO1988003835A1 Fluid energizing method and apparatus |
06/02/1988 | WO1988003763A1 Method and apparatus for extending the shelf life of fluid food products |
06/01/1988 | EP0268968A1 Fluid sterilizing process and device |
06/01/1988 | EP0268738A2 Electrolytic cell for separating metals |
06/01/1988 | DE3638586A1 Bathroom unit for therapeutic purposes, filter and heating and for a specially adapted method |
06/01/1988 | CN86107912A Tubular type water collection uniflow sedimentation device |
06/01/1988 | CN86107846A Removal of formaldehyde from industrial waste water by precipitation of methylidyne-urea |
06/01/1988 | CN85102690B Method of treating waste water contg. cyanide |
05/31/1988 | US4748013 Adsorbent for recovery of bromine and bromine-recovering process using same |
05/31/1988 | US4747978 Calcium hypochlorite compositions |
05/31/1988 | US4747962 Separation of components of a fluid mixture |
05/31/1988 | US4747958 Method and apparatus for treating bodies of water |
05/31/1988 | US4747957 Brine treatment using ethylene carboxylic acid polymers |
05/31/1988 | US4747955 Purification of liquids with treated polyester fibers |
05/31/1988 | US4747954 Ethylene-unsaturated acid copolymer |
05/31/1988 | US4747951 Method for recovering water of reduced salinity from high salinity water |
05/31/1988 | US4747945 Lightweight media depth filter |
05/31/1988 | US4747920 Solid-liquid separation process for fine particle suspensions by an electric and ultrasonic field |
05/31/1988 | CA1237544A1 Treating waste water contaminated with a low concentration of latex |
05/26/1988 | DE3639572A1 Method for introducing gas into waste waters |
05/25/1988 | EP0268158A1 Water clarification process and composition and method therefore |
05/25/1988 | EP0267962A1 Bacterial composition and method for purifying water and soil of oil pollution |
05/25/1988 | EP0177509A4 Process for clarifying bicarbonate bearing waters using measurement and control of carbon dioxide content. |
05/25/1988 | EP0174349B1 Plant for neutralizing acid condensates |
05/25/1988 | CN85105155B Process and device for manufacture of mineral water |
05/24/1988 | US4746457 Flocculation of suspended solids from aqueous solutions |
05/24/1988 | US4746443 Bentazon containing wastewater treatment |
05/24/1988 | US4746442 Process for the removal of metals from waters containing them |
05/24/1988 | US4746440 Process and apparatus for the separation of emulsions or of solids from a suspension of solids and a liquid by means of pressure or turbo flotation |
05/24/1988 | US4746439 Adsorption on alkaline earth silicate, filtration |