Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/1997
11/06/1997WO1997041066A2 Water treatment device with fill-counting cartridge
11/06/1997WO1997041063A1 Salt of boehmite alumina
11/06/1997WO1997040909A1 Water filtering
11/06/1997WO1997040906A1 Pour-through and pitcher mounted water filter
11/06/1997WO1997035810A3 A method of removing iron compounds and chromium compounds from an aqueous electrolytic solution as well as the use of this method in electrochemical machining
11/06/1997WO1997033831A3 Treatment of waste liquor in a vertical shaft bioreactor
11/06/1997DE19719645A1 Fluid medium sterilisation device with UV source on rotating shaft
11/06/1997DE19617879A1 Water treatment for treating polluted sub soil waste water in situ
11/06/1997DE19617714A1 Water treatment plant
11/06/1997DE19615833A1 Cast Magnesium alloy half-shell assemblies bolted in series round water pipe
11/06/1997DE19615067A1 Continuous treatment of industrial waste waters e.g. from mineral oil refineries
11/06/1997CA2253203A1 Pour-through and pitcher mounted water filter
11/06/1997CA2252520A1 Ultraviolet light irradiated ebullating mass transfer system
11/06/1997CA2251892A1 Electrolytic process and apparatus for controlled oxidation/reduction in aqueous solutions
11/06/1997CA2225912A1 Floating/sinking body for purification and purifying apparatus
11/05/1997EP0805129A2 Method and apparatus for producing increased strength concrete
11/05/1997EP0805122A2 Process for purifying industrial wastewaters and for producing the reagent for the purification
11/05/1997EP0804877A1 Antibacterial solid, process for producing the same, and method of utilizing the same
11/05/1997EP0804876A1 Iodine/resin disinfectant and a procedure for the preparation thereof
11/05/1997EP0804385A1 Apparatus for the purification of water contaminated with oil
11/05/1997EP0804114A1 A kettle
11/05/1997EP0775016A4 Dissolution of calcium carbonate solids with lactic acid
11/05/1997EP0693041B1 Process and device for processing and/or dewatering sludge liquor from waste water tanks, in particular small sewerage purification plants
11/05/1997EP0639162B1 Process and device for destroying free and complex cyanides, aox, mineral oil, complexing agents, csb, nitrite, chromate, and for separating metals from waste waters
11/05/1997EP0628018B1 Method of separating oil from wash water
11/05/1997CN2266595Y Apparatus for purifying and cleaning running water
11/05/1997CN2266593Y Automatic electronic water treating device
11/05/1997CN2266592Y Flowing-water sterilizing device with ultra-violet light
11/05/1997CN2266591Y Wall & table two-purpose wate purifier
11/05/1997CN2266590Y Integral water purifier
11/05/1997CN2266451Y Plastic water purifier
11/05/1997CN1163946A Method for inhibiting point corrosion
11/05/1997CN1163865A Wet oxidizing process of waste soda
11/05/1997CN1163864A Precipitant for removing sulfate radical in water by precipitation method
11/05/1997CN1163863A Technique for recovering, treating and closed-loop circulation of papermaking waste water
11/05/1997CN1163862A Evaporation and concentration processor for waste liquid in photographic processing
11/05/1997CN1163802A Cleaning method and apparatus for the same
11/04/1997US5684109 Water treatment
11/04/1997US5684107 Agglomerated polymer particles of finely divided, water-soluble or water-swellable polymers, the preparation thereof and the use thereof
11/04/1997US5684053 Process for reclaiming paint and a paint formulation
11/04/1997US5684044 Mixed with amphoteric or pseudoamphoteric agent
11/04/1997US5683953 Compounds of rare earth elements, yttrium and zirconium as phosphate scavengers
11/04/1997US5683951 Water treatment, roasting a ceramic and treatment with microorganisms of bacteria, fungi or yeasts
11/04/1997US5683826 Organic/inorganic gels for delivering controlled quantities of active compounds in aqueous solutions
11/04/1997US5683665 Composition and process for cleansing exhaust gas
11/04/1997US5683664 Of a deodorizing ceramic obtained by calcining a composition comprising raw ceramic materials and microorganisms and/or culture fluid thereof
11/04/1997US5683654 Process to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial fouling
11/04/1997US5683588 Stabilization of catalyzed aqueous sulfite and bisulfite ion solutions
11/04/1997US5683587 Producing a sludge of calcium carbonate and magnesium hydroxide by reaction of soda ash with lime in water feeding waste gases containing polllutants for scrubbing, separation and injection into reaction chamber
11/04/1997US5683586 Method and apparatus for magnetically treating a fluid
11/04/1997US5683585 Process for the removal of organic solvents from waste water
11/04/1997US5683583 Sewage dewatering equipment
11/04/1997US5683579 Magnetic fluid conditioner and separation apparatus
11/04/1997US5683576 Water ozonation treatment apparatus
11/04/1997US5683575 Apparatus for activation of a digesting agent upstream of organic material treatment
11/04/1997US5682774 Apparatus for enhancing the cleaning of laundry
11/04/1997CA2136721C Integrated reverse osmosis and storage system
11/04/1997CA2068403C Procedure for the preparation of microporous ceramic membranes for the separation of gas and liquid mixtures
11/03/1997CA2204087A1 Apparatus and method for improved high-efficiency dissolved air flotation fluid processing
10/1997
10/30/1997WO1997040212A1 Cylindrical electrolyzer assembly
10/30/1997WO1997040088A1 Process for producing finely divided, water-insoluble aziridine polymers
10/30/1997WO1997039985A1 Fluid purifying apparatus
10/30/1997WO1997039983A1 Method and apparatus for removing metal ions and/or complexes containing metal ions from a solution
10/30/1997WO1997039982A1 Methods of treating wastewater
10/30/1997WO1997039981A1 Water treatment
10/30/1997DE19713977A1 Electrodialysis process for removing ionic impurities from water
10/30/1997DE19616647A1 Sea water aquarium gas discharge module
10/30/1997DE19616120A1 Verfahren zur Herstellung von feinteiligen wasserunlöslichen Polymerisaten von Aziridinen, modifizierte, wasserunlösliche Polymerisate von Aziridinen und ihre Verwendung Process for the preparation of finely divided water-insoluble polymers of aziridines, modified, water-insoluble polymers of aziridines and their use
10/30/1997CA2252427A1 Water treatment
10/29/1997EP0803476A1 Survival water supplier
10/29/1997EP0803474A2 Electrodeionization apparatus and process for purifying a liquid
10/29/1997EP0803473A1 Method and apparatus for treatment of water
10/29/1997EP0803472A1 UV-Reaktor for radiating a reaction medium
10/29/1997EP0803279A1 Autothermic catalytic process for deodorizing and denitrating polluting waste
10/29/1997EP0803274A1 Process and apparatus for treatment of backwash water from a filter
10/29/1997EP0802887A1 Small-cluster water
10/29/1997EP0802826A1 Process and device for separating components from liquid homogenous or heterogeneous systems
10/29/1997EP0725845A4 Electrolytic cell for producing a mixed oxidant gas
10/29/1997EP0694027B1 Apparatus and method for continuously decarbonating and deliming untreated ph-neutral calcareous water
10/29/1997EP0643677B1 Process for producing and processing wash water in a washing installation, and washing installation
10/29/1997CN2266001Y Array type high-frequency transducer
10/29/1997CN2265978Y High-efficiency sterilization purified water filter
10/29/1997CN2265977Y Water purifying storage device
10/29/1997CN2265976Y Magnetized water producer
10/29/1997CN2265974Y Automatic chlorinator
10/29/1997CN2265973Y Water treating device
10/29/1997CN2265972Y Water purifier with silver-carried active carbhon column
10/29/1997CN2265971Y Combined dining sewage purifier
10/29/1997CN1163601A End of life mechanism for water treatment cartridge
10/29/1997CN1163234A Anti-dewfall device for water purifier
10/29/1997CN1163233A Permanent magnet-driven automatic environment protection equipment
10/28/1997US5681862 Ionene polymers as microbicides
10/28/1997US5681853 Mixture with amphoteric compound
10/28/1997US5681531 Apparatus for mixing at least partially immiscible liquids
10/28/1997US5681480 Dewatering of aqueous suspensions
10/28/1997US5681476 Process for the purification of groundwater
10/28/1997US5681475 Water purification composition, kit and method employing the same
10/28/1997US5681463 Portable liquid purifying device having activated carbon filter and micro-porous membrane filter
10/28/1997US5681457 Electrodynamic fluid treatment system
10/28/1997US5681454 Liquid processing plant
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