Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/1988
05/24/1988US4746438 Demineralization, degasification
05/24/1988US4746434 Oil extraction
05/24/1988US4746433 Biodegradation
05/24/1988US4746425 Cooling system for electromagnetic water treating device
05/19/1988WO1988003513A1 Fluid magnetizer
05/19/1988WO1988003415A1 Device for sterilization of liquid with ultraviolet light
05/19/1988DE3735868A1 Process for recovering pure ammonia from ammonia waste water containing hydrogen sulphide and/or carbon dioxide
05/19/1988DE3732013A1 Process for binding oil of an oil/water suspension
05/19/1988DE3711416A1 Process for purifying water and apparatus therefor
05/19/1988DE3638319A1 Process for treating waste water from flue gas purification plants
05/19/1988DE3634650A1 Verfahren zur entsorgung von schadstoffbeladenen stoffen und verwendung des dabei hergestellten produktes A method for disposal of pollutant-laden materials and use of the product produced thereby
05/18/1988EP0267704A1 Electrochemical removal of chromium from chlorate solutions
05/18/1988EP0267338A1 Heat exchanger for fluid treatment apparatus
05/18/1988EP0267328A1 Method and apparatus for the purification of waste water, especially of muddy water resulting from the sludge removal from waters
05/18/1988EP0267296A1 Method and device for ionizing liquid
05/18/1988CN86106419A Rapid disinfection process for water and sewage by gaseous chlorine
05/17/1988US4745132 Biocidal compositions and use thereof employing a synergistic mixture of n-alkyldimethyl benzyl ammonium halide and n-dodecylguanidine
05/17/1988US4745129 Chemically-active aqueous solution and solid substance containing divalent iron ions
05/17/1988US4744909 Sewage treatment, oxidation
05/17/1988US4744904 Food processing, defatting
05/17/1988US4744903 Waste water treatment
05/17/1988US4744895 Compact, movable; for household use on countertop
05/17/1988US4744220 Thermoelectric heating and/or cooling system using liquid for heat exchange
05/17/1988CA1236939A1 Dewaterability of alum sludges using high molecular weight anionic terpolymer flocculants
05/17/1988CA1236684A1 Treatment of effluent liquors
05/11/1988EP0266828A1 Control of biofouling with certain alkylthioalkylamines
05/11/1988EP0266517A2 Device for feeding solids into liquids in a controlled manner
05/11/1988EP0266476A2 Process and device for treating sludge
05/11/1988EP0266352A1 Process and apparatus for treatment of water
05/11/1988EP0154634B1 Water inlet including a rack or frame with drain pipes
05/11/1988DE3638023A1 Plant for treating industrial waste water
05/11/1988DE3637643A1 Method for the arsenic decontamination of aqueous solutions
05/11/1988CN87213601U Dynamic water treatment equipment
05/11/1988CN87107794A Method for separating the hydrocarbon from waste water
05/10/1988US4743405 Apparatus for injecting a gas into a liquid flow
05/10/1988US4743381 Process for oxidizing a cyanide compound
05/10/1988US4743379 Flotation device
05/10/1988US4743376 Water purification by a fluidized bed
05/10/1988US4743366 Control valve assembly for purified water supply system
05/10/1988US4743344 Treatment of wastes from high purity silicon process
05/10/1988US4742623 Process and equipment for the indirect drying of sludge, especially for the drying of wastewater sludge
05/10/1988CA1236598A1 Integral clarifier
05/10/1988CA1236597A1 Method of treating peroxide-containing wastewater
05/10/1988CA1236596A1 Method of controlling an anaerobic treatment process
05/10/1988CA1236454A1 Monomeric cationic glycoside derivatives
05/05/1988WO1988003182A1 Reticulate electrode and cell for recovery of metals from waste waters
05/05/1988DE3635843A1 Process for separating off ammonia from exhaust air or waste water
05/04/1988EP0266312A1 Reticulate electrode and cell for recovery of metals from waste water
05/04/1988EP0266272A1 Process for the recovery of acid organo-phosphorous compounds and/or organo-phosphorous ions from an aqueous solution, and its use in treating aqueous effluents
05/04/1988EP0265941A1 Process for the chemical-physical treatment of waste water
05/04/1988EP0265940A2 Process for recovery of silver from spent, waste, acidic processing fluids
05/04/1988EP0265709A2 A method and composition for the treatment of bathtubs
05/04/1988EP0162095B1 Method and equipment for utilization of the freezing heat of water as a source of heat of a heat pump
05/04/1988CN87214253U Magnetizer for running water
05/04/1988CN86107206A Preparation of a mineral beverage by immersing a bag of china medical stone
05/04/1988CN86106414A Electrolytic method for treating waste water containing vanadium and chromium
05/03/1988US4742231 Radiation sensor
05/03/1988US4741838 Flocculation of high solids mineral slurries
05/03/1988US4741834 Method for underground support and removal of hazardous ions in ground waters
05/03/1988US4741833 Method for reduction of COD in water
05/03/1988US4741831 Process and composition for removal of metal ions from aqueous solutions
05/03/1988US4741828 Sieve-type, bacteriostat
05/03/1988US4741827 Apparatus for separating of liquid films floating on liquids
05/03/1988EP0245376A4 Water treatment apparatus.
05/03/1988CA1235939A1 Method of stripping microbial cells of malodorous or unpleasant taste imparting substances
04/1988
04/27/1988EP0265300A1 Distillation apparatus for vacuum distillation
04/27/1988EP0265031A1 Apparatus and method for conditioning water
04/27/1988EP0264713A2 Method and plant for obtaining fresh water from saline water
04/27/1988EP0264710A1 Water-soluble quaternary polyammonium salts, process for their preparation and their use
04/27/1988EP0264593A2 Apparatus for scale removal from water-pipes
04/27/1988EP0193565A4 Apparatus for clarification of water.
04/27/1988CN87207787U Non-scal eletric-heating and constant temperature water bathtub
04/27/1988CN87106533A Treatment of blow washing sewage from beet sugar mill
04/26/1988US4740301 Apparatus for purifying water, especially salt water, by reverse osmosis
04/26/1988US4740297 Water softener cabinet
04/26/1988US4740296 Slow rate
04/26/1988US4740244 Process for recovery of silver from spent, waste, acidic processing fluids
04/26/1988CA1235665A1 Method of removal of organometallics from wastewater
04/26/1988CA1235626A1 Hydroquinone catalyzed oxygen scavenger and methods of use thereof
04/21/1988WO1988002739A1 Process for purifying polluted materials and use of the product thus obtained
04/21/1988WO1988002655A1 Process for separating hydrocarbons from waste water
04/21/1988WO1988002651A1 Flushing of desalinating apparatus equipped with reverse osmotic membrane module, and apparatus therefor
04/21/1988WO1988002648A1 Orbital drive evaporator
04/21/1988DE3635411A1 Oxygen enrichment of drinking water
04/21/1988DE3635219A1 Process for the oxidation of scrubbing waters of low thiosulphate concentration
04/20/1988EP0264113A1 Pervaporation of phenols
04/20/1988EP0264041A2 Process and plant for the recuperation of ammoniac by separating nitrogen oxides from flue gases
04/20/1988EP0263992A1 Method of treating waste water resulting from the desulfurization of flue gases
04/20/1988EP0263840A1 System for irradiating liquids with radioactive beams
04/20/1988CN87212732U Dissolved gas releaser of water purifier
04/20/1988CN87205790U Household magnetized water filter
04/20/1988CN86106448A One-step purification process and facilities of waste water containing heavy metals
04/19/1988US4738833 Tiolet bowl cleaner
04/19/1988US4738785 Waste treatment process for printing operations employing water dispersible inks
04/19/1988US4738784 Flotation device
04/19/1988US4738783 Water treatment
04/19/1988US4738750 Coagulation, flocculation, flotation
04/14/1988DE3633545A1 Apparatus for clarifying contact water
04/14/1988DE3633523A1 Process for separating off ammonia from waste waters
04/13/1988EP0263776A2 Process for processing waste water from flue gas purification plants