Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/1995
05/03/1995EP0650932A1 Device for the treatment of waste water
05/03/1995EP0650931A2 Method for preventing activated sludge from losing its settling ability
05/03/1995EP0650930A1 Electrolytic cell for the generation of hypo halogenites for water treatment
05/03/1995EP0650929A1 Electrolytic process and apparatus for the controlled oxidation or reduction of species in aqueous solutions
05/03/1995EP0542859B1 Method of decolourising water
05/03/1995CN2196113Y Multifunction health-care drinking water pipe
05/03/1995CN2196111Y Hanging type health-care mineral bag for water
05/03/1995CN2196110Y Activating and magnetizing device for water
05/03/1995CN2196109Y Distilled water generator
05/03/1995CN2195968Y Hygienic water purification equipment
05/03/1995CN1102226A Recovery technology for straw pulp black liquor waste soda lye
05/03/1995CN1102166A Silicon calcium compound polymeric aluminium ferric chloride flocculatant and producing method thereof
05/03/1995CN1102135A Device and method to separate the components in mixtures of non-miscible liquids
05/02/1995US5411889 Regulating water treatment agent dosage based on operational system stresses
05/02/1995US5411727 Method for the dissolution of calcium carbonate solids in the presence of aqueous chlorine solutions
05/02/1995US5411668 Process for the reclamation of used glycolic aircraft deicing compositions
05/02/1995US5411667 Method of selectively separating lead ions
05/02/1995US5411666 Methods for removing biofilm from or preventing buildup thereof on surfaces in industrial water systems
05/02/1995US5411664 Method for dehalogenation and degradation of halogenated organic contaminants
05/02/1995US5411661 Water filter module
05/02/1995US5411651 Method for electrostatic liquid/liquid contactor
05/02/1995US5411596 Removal of water soluble inks and washing
05/02/1995US5411143 Apparatus for the magnetic treatment of fluids
04/1995
04/28/1995CA2134278A1 Electrolytic process and apparatus for the controlled oxidation of inorganic and organic species in aqueous solutions
04/28/1995CA2133923A1 Electrolytic cell for the generation of hypohalogenites for water treatment
04/27/1995WO1995011355A1 Sewage treatment plant
04/27/1995WO1995011326A1 Electrolytic cell for producing a mixed oxidant gas
04/27/1995WO1995011199A1 Processes for the treatment of acidic liquors and for the production of commercial products thereby
04/27/1995WO1995011198A1 Apparatus for magnetically treating flowing liquids
04/27/1995WO1995011197A1 Flocculants
04/27/1995WO1995011195A1 Photoassisted oxidation of species in solution
04/27/1995DE4405298C1 Groundwater purification in the in-situ process with backwash
04/27/1995DE4337387A1 Process for dirty water disposal in the wet cleaning of furnaces
04/27/1995DE4336248A1 Filter apparatus and system for building up a filter unit
04/27/1995DE4335669A1 Arrangement and process for water treatment
04/27/1995CA2174724A1 Apparatus for magnetically treating flowing liquids
04/27/1995CA2174667A1 Processes for the treatment of acidic liquors and for the production of commercial products thereby
04/26/1995EP0649895A1 Absorbant mat for oily or aqueous fluids
04/26/1995EP0649390A1 Process for purifying sludge containing mainly water
04/26/1995EP0649385A1 System for energy storage, hydrogen production and the manufacture of methanol for abating of greenhouse gases
04/26/1995EP0649338A1 Device for introducing a gas into a liquid
04/26/1995EP0621801A4 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions.
04/26/1995CN2195639Y 磁化泵 Magnetic pump
04/26/1995CN2195544Y Wooden fish stone mineralized core
04/26/1995CN2195543Y Electronic water treating apparatus
04/26/1995CN2195374Y Domestic treating device for sewage
04/26/1995CN2195373Y Tap disinfection purifier for drinking water
04/26/1995CN2195274Y Electric-heating mineral water kettle
04/26/1995CN2195273Y Magnetic, electric-heating water bottle
04/26/1995CN1101955A Method for synchronously separating alkali and lignin from paper-making black liquor
04/26/1995CN1101954A Flocculant for treating paper-making black liquor
04/26/1995CN1101939A Mineralized fungus-black rice wine
04/26/1995CN1101896A Process for producing compound poly-ferric aluminium sulfate
04/25/1995US5410052 Symmetrical and unsymmetrical polyalkylamine metal complexes for ligand extraction and generation
04/25/1995US5409713 Treating foods during processing with peroxy acids
04/25/1995US5409673 An ozone apparatus comprising a dielectric tube, an outer and inner electrode, cohesive sponge-like mass permeable for oxygen and helical windings for creating an electrical corona; simplification
04/25/1995US5409617 High speed pre-decomposition the waste materials by heating waste materials with an aqueous solution comprising one or more salts of silica, alkali or alkaline earth metal silicate, borate, phosphate, bi- or triphosphates
04/25/1995US5409616 Controlling supply of uncleaned water, transtering to storage, ozonization, filtration, delivering, recirculation
04/25/1995US5409614 Control of scale deposition in geothermal operations
04/25/1995US5409613 Recycling and recovery of aqueous cleaner solutions and treatment of associated rinse water
04/25/1995US5409610 Method for anaerobic sludge digestion
04/25/1995US5409604 Closure for a wastewater treatment mechanism
04/25/1995US5409582 Passing aqueous solution containing ionic silver and copper through electrowinning cell at first potential to deplete silver, diluting and electrowinning at a second potential to deplete copper
04/25/1995US5409578 Method of distilling water by use of solar heat
04/20/1995WO1995010486A1 Method and apparatus for treating paper mill effluent
04/20/1995WO1995010485A1 Method for removing scale and stains
04/20/1995WO1995010484A1 Process for decreasing chlorine content in chlorinated hydrocarbons
04/20/1995WO1995010483A1 Treatment of aqueous phosphorus wastes
04/20/1995DE4437278A1 Verfahren zur Entfernung von Cyanid-Verunreinigungen aus Raffinerie-Abwasserströmen A process for removing cyanide impurities from refinery waste streams
04/20/1995DE4436524A1 Reactor for chemically treating water
04/20/1995DE4407734C1 Process for cleaning and reusing surfactant-containing waste waters
04/20/1995DE4335326A1 Enzymatic method for rendering aqueous liquids anaerobic
04/20/1995DE4335133A1 Process for cleaning up leachate waters from house refuse landfills and industrial wastewaters containing heavy metals
04/20/1995CA2173970A1 Process for decreasing chlorine content in chlorinated hydrocarbons
04/19/1995EP0648711A1 Apparatus for treating liquids, in particular with UV radiation
04/19/1995EP0648550A1 Method and device for treating polluted soils
04/19/1995EP0648521A2 Gel extraction
04/19/1995EP0648193A1 Process and system for purifying waste water
04/19/1995EP0648147A1 Device for electroosmotically dewatering loaded materials, and related operating methods.
04/19/1995EP0625074A4 Vortex flocculation of solids suspended in liquid.
04/19/1995EP0595858B1 Supercritical water oxidation process and apparatus of organics with inorganics
04/19/1995EP0482021B1 Ozone generator
04/19/1995CN2195009Y Water supply interruption self-closing tap with magnetizing function
04/19/1995CN2194905Y Magnetic dialysis desalter
04/19/1995CN2194904Y Kettle magnetizing descaler
04/19/1995CN2194903Y Cryogenic sea water desalting plant
04/19/1995CN2194663Y Chinese medical stone mineralizing cup
04/19/1995CN1101626A Method for producing hard mineral water by carbonic anhydrase catalysis
04/18/1995US5407975 Hydrating dry polymer
04/18/1995US5407879 Promoting absorption or adsorption by treating with aqueous polymer solution, then drying to controlled moisture content
04/18/1995US5407696 Green juices or dry powders thereof
04/18/1995US5407584 Introducing contaminated fluid into spiral spinner, then into cyclonic flow chamber to separate solids, flowing remaining mixture to main separator vessel to separate oil, removing gas from top of cyclone chamber, discharging cleansed water
04/18/1995US5407578 Using a rotating biological contactor and discharging into humus tank
04/18/1995US5407576 Process for the purification of waste water
04/18/1995US5407575 Sorbent pad holds oil by absorption and adsorption; repels water
04/18/1995US5407573 Filter for water treatment containing biocidal resin
04/18/1995US5407572 Systematic tertiary effluent polishing
04/18/1995US5407567 Compartmentalized swimming pool chemical dispenser
04/18/1995US5407550 Perfluorocarbon sulfonic acid ion exchange membrane as solid electrolyte, anode placed on one side, and lead oxide as electrode catalyst
04/18/1995US5407468 Process and a plant for the deoxidation of water