Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
08/1988
08/10/1988CN87215842U Health-giving magnetized-water glass with a sucking conduit
08/10/1988CN87100511A Resin and its making method for treatment waste water containing mercury
08/10/1988CN87100497A Source of ferrous iron ions used for eliminating hydrogen sulfide in marine breeding of aquatics
08/09/1988US4762931 Distillation, extraction
08/09/1988US4762796 pH control of a process stream
08/09/1988US4762690 Crandallites
08/09/1988US4762613 Water purifiers
08/09/1988US4762592 Orbital drive evaporator
08/09/1988US4762556 Absorption on diallylamine homo or copolymer
08/09/1988US4762537 Adsorbent for HCl comprising alumina and acid-treated Y zeolite
08/09/1988US4762535 Ammonia separation using semipermeable membranes
08/09/1988CA1240419A1 Process and device for treating liquids with cation exchangers and anion exchangers
08/04/1988DE3702107A1 Utilisation of waste water downstream of simultaneous SO2 and NOx scrubbers
08/04/1988DE3701719A1 Corrosion protection agent, containing mixtures with amido acids
08/03/1988EP0277112A2 Magnetic treatment device for liquids, especially for water
08/03/1988EP0276789A2 Electrochemical deoxygenation process for corrosion control in deionized waters
08/03/1988CN87205547U Defluorine device for edible water
08/03/1988CN87205507U Purification and mineralization installation of water for daily use
08/03/1988CN87107681A Magnetization treater for fluid
08/02/1988US4761239 Reducing oxygen demand
08/02/1988US4761238 Removal of dissolved and colloidal material
08/02/1988US4761228 Magnetic fluid conditioner
08/02/1988US4761215 Device for silverizing water
08/02/1988US4761208 Electrolytic method and cell for sterilizing water
08/02/1988CA1239879A1 Continuous sorption process
07/1988
07/28/1988WO1988005424A1 Extracts of thermal waters and their applications
07/28/1988DE3800873A1 Method for binding pollutants and absorbent for pollutants
07/28/1988DE3740211A1 Method for reprocessing contaminated alkaline barrel-finishing waters of barrel-finishing plants
07/28/1988DE3700826A1 Anode material for operating an electroflotation cell for the purification of waste waters heavily contaminated with corrosion inhibitors and of alkaline cleaning solutions
07/27/1988EP0276189A1 Regeneration of thermal water
07/27/1988EP0276044A2 Effluent treatment
07/27/1988EP0275763A1 Process for the extraction of cations and its use in treating aqueous waste solutions
07/26/1988US4760014 Coagulating and precipitating photopolymer resin, and separating from aqueous phase to produce sludge
07/26/1988US4759907 Feeder device and method for adding solid material to a liquid of variable flow rate
07/26/1988US4759856 Flocculation processes
07/26/1988US4759852 Sulfamic acid is used as antiscaling and anticorrosion agent
07/26/1988US4759849 Process and a device for the treatment, by means of ozone, of feed water for reverse osmosis
07/26/1988US4759844 Miniature, adapted to operate under conventional water main pressure on a countertop for dispensing pure water
07/26/1988CA1239710A1 Portable ozonator
07/26/1988CA1239565A1 Waste water treating agent and method for producing the same
07/26/1988CA1239528A1 Method and apparatus involving supercritical fluid extraction
07/25/1988EP0277179A4 Automatically adjustable weir and environmentally protected sensor.
07/21/1988DE3700725A1 Process and plant for purifying untreated waste water bearing fine sludge
07/21/1988DE3700370A1 Processing method for mass transfer and material treatment, e.g. drying
07/21/1988DE3348006C2 Process for recovering heat from sewage (waste water)
07/20/1988EP0275207A2 Pharmaceutical and veterinary compositions
07/20/1988EP0274539A1 Method of treating water by making use of proton releasing material and/or magnetic field and apparatus for use in said method
07/20/1988CN87214874U Water-magnetizing unit for internal combustion engine
07/20/1988CN87213778U Separation unit for wastewater containing oil
07/20/1988CN87100164A 液体离子筛 Liquid ion sieve
07/20/1988CN87100053A Simple type domestic quarry water preparation appliance
07/20/1988CN86108921A Compounded inorganic adsorbent and its preparation method
07/20/1988CN86107806A Method of printing and dyeing waste water processing
07/19/1988US4758354 Separation process
07/19/1988US4758353 Removal of heavy metals from waste streams
07/19/1988US4758347 Adjustment of ph; pressurized membrane separation
07/19/1988US4758346 Process for the removal of hydrocarbonaceous compounds from an aqueous stream and hydrogenating these compounds
07/19/1988US4758343 Interfacially synthesized reverse osmosis membrane
07/19/1988US4758339 Fermentation section, settler, gas discharging means
07/19/1988US4758335 Contaminated water disposal system
07/19/1988US4757921 Water dispensers and methods
07/19/1988CA1239341A1 Compound and process for denaturing high-solids paints
07/14/1988DE3644665A1 Process for separating mixtures of oil and water
07/13/1988EP0274083A1 Reactor for flotation or treatment with gases
07/13/1988EP0274069A2 Process and agent for waste water purification
07/13/1988CN87208804U Water pruifier with absorbent made of active grained white earth
07/13/1988CN87204818U Magnatised water tap
07/13/1988CN87105119A Extracting method of magnesium-type of adsorbents
07/13/1988CN86108929A Process for treating waste cuprous chloride solution
07/12/1988US4757205 Ultraviolet water treatment apparatus
07/12/1988US4756833 Metal-containing waste water treatment and metal recovery process
07/12/1988US4756831 Reducing nitrate to gaseous nitrogen by contacting water with biocatalyst containing core of immobilized denitrifying organism cells trapped in ionosphere gel, and surrounded by gel or polymer protective layer
07/12/1988US4756802 Plurality of containers for liquid, plurality of opaque heat troughs, focus means for focussing solar rays, forming heat to evaporate liquid
07/12/1988US4756724 Closed tank with heating means for heating water to release gases
07/12/1988CA1239070A1 Agents for defoaming and deaerating aqueous systems and the use thereof
07/12/1988CA1239068A1 Stability oxygen scavenger compositions and methods of use thereof
07/07/1988DE3707355C1 Process for treating scrubbing solutions used in the separation of SO2 and NOx from exhaust gases
07/07/1988DE3644080A1 Use of an oxidising agent for detoxifying industrial waste waters
07/06/1988EP0273450A2 Solubilizer for water-insoluble alginates in dental impression materials
07/06/1988EP0273339A2 Method of separating and transferring ion-exchange resin
07/06/1988EP0273335A2 Flocculants and filter aids and their use
07/06/1988EP0273174A1 Process and apparatus for the removal of ammonia from waste water, surface waters or ground water
07/06/1988EP0273111A2 Process and installation for the purification of waste containing phosphates, and for the biological elimination of phosphorus
07/06/1988EP0273045A1 Novel compositions and method for control and clean-up of hazardous acidic spills
07/05/1988US4755322 Method of obtaining composite ion exchangers
07/05/1988US4755305 Continuous dewatering method
07/05/1988US4755304 Injecting water containing oxygen into recharge means, simultaneously withdrawing water from second adjacent recharge means to create purification zone, withdrawing purified water from supply means
07/05/1988US4755303 Method of converting brines to useful products
07/05/1988US4755298 Process for removing boron ions from aqueous solutions
07/05/1988US4755296 Integrated biological-adsorption process for treating waste water
07/05/1988US4755292 Portable ultraviolet water sterilizer
07/05/1988US4755288 Apparatus and system for magnetically treating fluids
07/05/1988US4755270 Method of processing solutions
07/05/1988US4755268 Process and apparatus for producing silver-ionic water
07/05/1988US4755195 Method of continuously degassifying water
07/05/1988CA1238995A1 Process for waste treatment
07/05/1988CA1238792A1 Process for dumping of particulate solid or pumpable solid and liquid waste materials in underground salt enclosed cavities, in particular salt caverns
06/1988
06/30/1988WO1988004572A1 Fluid treatment process
06/30/1988WO1988004568A1 Water treatment apparatus and method
06/29/1988EP0272887A2 Removal of oxygen from liquids