Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
07/1995
07/25/1995US5435913 Fluid treating apparatus
07/25/1995US5435894 Treating with electric voltage, improved taste for drinking water, deceasing oxidation-reduction potential
07/25/1995US5435891 Home water distillation apparatus
07/25/1995US5435808 Bactericidal solution, organic acid, peracid, hydrogen peroxide, phosphoric acid
07/25/1995US5435151 Automobile distiller
07/25/1995CA1336465C Stable blends of cationic water-in-oil emulsion polymers and cationic aqueous solution polymers
07/20/1995WO1995019566A1 A method and apparatus for controlling the feed of water treatment chemicals using a voltammetric sensor
07/20/1995WO1995019440A1 Enzyme based bioremediation
07/20/1995WO1995019327A1 Sludge treatment system
07/20/1995WO1995019323A1 Method for the supercritical water oxidation of organic compounds
07/20/1995WO1995019320A1 Process for the treatment of metal-containing water and recovery of metals therefrom
07/20/1995WO1995019188A1 Uv disinfection unit
07/20/1995CA2180934A1 Enzyme based bioremediation
07/20/1995CA2179647A1 Method for the supercritical water oxidation of organic compounds
07/20/1995CA2135427A1 Method and composition for controlling the growth of microorganisms
07/19/1995EP0613399B1 Magnetic fluid conditioner
07/19/1995EP0532639B1 Composition and method for purifying water
07/19/1995EP0532494B1 Improved water clarifying apparatus
07/19/1995CN2203625Y Water purifier
07/19/1995CN1105342A Process for producing solid poly-ferric sulfate
07/19/1995CN1105286A Method of improving the contaminant resistance of a smectite clay by rewetting and impregnating the clay with a water-soluble poly mer, and redrying the polymer-impregnated clay
07/18/1995US5434035 Fixer additives used in combination with iron complex based bleaches to improve desilvering
07/18/1995US5433927 Ozone generator having a conductor with projections extending through an inner electrode and associated fabrication method
07/18/1995US5433868 Deammoniation by dewatering without digestion, separation of solids then deammoniation using heat
07/18/1995US5433867 Environmentally friendly chlorine or bromine dispenser
07/18/1995US5433866 Wastes and drinking water, ozone and ultraviolet radiation
07/18/1995US5433865 Method for treating process waste streams by use of natural flocculants
07/18/1995US5433864 Method for treating heavy metal containing waste water by utilization of acorn
07/18/1995US5433860 Removing acrylic monomers in micelles by filtration
07/18/1995US5433858 Treatment of hazardous waste water
07/18/1995US5433856 Method for treating fluids
07/18/1995US5433854 Sewage treatment, deodorizing, preventing formation of slime film, blanketing liquid with ozone/air mixture
07/18/1995US5433853 Method of clarifying wastestreams
07/18/1995US5433848 Water filtration pump with disposable filter cartridges
07/18/1995US5433846 Grease-trap wastewater treatment system
07/18/1995US5433845 Flow control bypass basin apparatus
07/18/1995US5433844 Apparatus for pathogen reduction in waste
07/18/1995US5433842 Marine sewage treatment system
07/13/1995WO1995018946A1 A process and a device in drying of organic and/or unorganic materials
07/13/1995WO1995018769A1 Process for the wet-oxidising treatment of organic pollutants in waste water
07/13/1995WO1995018768A1 Liquid decontamination system using electrical discharge with gas injection
07/13/1995WO1995018767A1 Process for treating aqueous solutions from production processes
07/13/1995WO1995018687A1 Oxidative cleaning process of contaminated slurries or slurried earth
07/13/1995WO1995018672A1 Purification of metal working aqueous rinse solutions
07/13/1995DE4405800C1 Aq. oxidising soln. contg. di:halo:tetra:oxide ions
07/13/1995CA2180563A1 Process for the wet-oxidising treatment of organic pollutants in waste water
07/13/1995CA2180560A1 Oxidative cleaning process of contaminated slurries or slurried earth
07/12/1995EP0662454A1 Process to remove an aqueous effluent containing hydroxynitroaromatic compounds
07/12/1995EP0662453A1 Device for purifying a fluid, especially water
07/12/1995EP0662341A1 Filtration membrane module
07/12/1995EP0662238A1 Particle accelerator
07/12/1995EP0397742B1 Porous article impregnation resin composition, and system for treating impregnation process waste water
07/12/1995CN2203296Y Double magnetic swirl magnetizer
07/12/1995CN2203295Y Clean ion water producer
07/12/1995CN2203294Y Adsorption apparatus for recovery of gold from gold-contg. cyanide waste water
07/12/1995CN2203115Y Healthy heat-insulation mineralizing plug
07/12/1995CN1105001A Gas injection apparatus
07/12/1995CN1105000A Compler utilization system
07/11/1995US5432756 Zebra mussel (Dreissena polymorpha) and other aquatic organism control
07/11/1995US5431861 Method of and apparatus for producing a high concentration ozone water solution
07/11/1995US5431827 Device and apparatus for recovery of dry cleaning fluid, and purification of water from dry cleaning water
07/11/1995US5431825 Method for the reduction and stabilization of metals
07/11/1995US5431816 Prefilter for a water purification pump
07/11/1995US5431813 Water filtering bottle
07/11/1995US5431721 Ink varnish and composition and method of making the same
07/11/1995US5431037 Sedimentation rate measuring device and sampler therefor
07/11/1995CA2139916A1 Fluid, and particularly water, purifying device
07/06/1995WO1995018070A1 Composition for treating water and sanitising soils
07/06/1995WO1995017958A1 Catalyst for processing waste water, production method thereof, and method of processing waste water using the catalyst
07/06/1995WO1995017940A1 Filter for liquids
07/06/1995DE4400308A1 Toxic liquid wastes treated by combined electrolysis and UV radiation
07/05/1995EP0661593A2 Fixer additives used in combination with iron complex based bleaches to improve desilvering
07/05/1995EP0661237A1 Self-energizing fluid treatment apparatus employing external electrodes
07/05/1995EP0660949A1 Treatment of photographic effluent
07/05/1995EP0660805A1 Method of cleaning waste water and recovery of contaminants therefrom
07/05/1995EP0660804A1 Method for the purification of metal-containing aqueous media and method of preparing an adsorbent.
07/05/1995EP0660762A1 Oil based composition clean up method and composition for use therein
07/05/1995EP0660747A1 Modules for electrodeionization apparatus.
07/05/1995EP0660668A1 Iodine/resin disinfectant and a procedure for the preparation thereof
07/05/1995EP0630357B1 Catalytic fluidised bed process for treating aqueous liquids
07/05/1995CN2202832Y Purifying directly heating water tap
07/05/1995CN2202747Y Water magnetizer
07/05/1995CN2202746Y Purifier for drinking-water
07/05/1995CN2202745Y Super-effect flotation device
07/05/1995CN2202744Y Water distilling apparatus
07/05/1995CN2202481Y Water-magnetizing sleeve for thermos
07/05/1995CN1104610A Chlorine dioxide producing bag and its production
07/05/1995CN1104609A Water treatment and apparatus by plasma and pulse discharging
07/04/1995US5429749 Coagulation with polydiallyldimethylammonium chloride and copolymers
07/04/1995US5429747 Flocculation, oxidation, active carbon
07/04/1995US5429741 Sludge conditioning
07/04/1995US5429723 Hypobromous acid as biocide
07/04/1995US5428906 For converting sludge into fertilizer
06/1995
06/29/1995WO1995017350A1 Effluent treatment with hydrotalcite
06/29/1995CA2139147A1 Sterilant composition
06/28/1995EP0660001A1 Pump device for sensitive liquids
06/28/1995EP0659956A1 Feeder device
06/28/1995EP0659694A1 Membrane bioreactor with gas lift system
06/28/1995EP0659693A2 Process for controlling decontamination of waste waters containing cyanides
06/28/1995EP0659692A1 Process for electrochemical reduction of nitrate