Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
09/1986
09/09/1986US4610792 Wastewater clean up with activated carron, lime and filter aid
09/09/1986US4610790 Process and system for producing sterile water and sterile aqueous solutions
09/09/1986US4610783 Control of algae in re-circulating water systems
09/09/1986CA1210930A1 Composition and method for deoxygenation
09/03/1986EP0193518A1 Process for the precipitation of dissolved sulfides from waste water containing sulfides
09/03/1986EP0193007A2 Process and apparatus for the biological purification of waste water
09/03/1986EP0192893A2 Potable water from internal combustion engines
09/03/1986EP0192718A1 Process and device for the production of ozone.
09/03/1986CN86100741A Removal of propenylamide in drinking water by permanganate of potassium
09/03/1986CN85106310A Low temperature energy exactor and still
09/03/1986CN85101973A Metallurgical waste water purification technology
09/03/1986CN85100375A Cyan-containing waste water treatment by iron blue method
09/02/1986US4609488 Demulsification with cationic surfactant or polymer
09/02/1986US4609472 Acidification, reduction with hydrazine hydrochloride
09/02/1986US4609471 Laser disinfection of fluids enhanced by gas bubbles
09/02/1986US4609470 Crosslinking with dialdehyde
09/02/1986US4609469 Waste water treatment
09/02/1986US4609466 For use on sink or countertop
09/02/1986US4609385 Multi stage water deoxygenator
09/02/1986US4609127 Timed dispenser of fluid additives
09/02/1986CA1210594A1 Composition containing thiolates and process for the removal of heavy metal ions from dilute aqueous solutions
08/1986
08/28/1986WO1986004888A1 A method of removing macromolecular organic dissolved and colloidal material from wood processing industry effluents
08/28/1986WO1986004887A1 Magnetic conditioning of hard water
08/27/1986EP0192376A1 Coagulation and solids removal processes
08/27/1986EP0191893A2 Process for adsorption treatment of dissolved fluorine
08/27/1986EP0191820A1 Electrode means for water purifier according to the ionization principle preferably for swimming pools
08/27/1986EP0191818A1 Electromagnetic treatment of water
08/26/1986US4608247 Composition for bactericidal treatment of water
08/26/1986US4608241 Distillation, condensing phosphorus with water, smelting in a furnace, forming phosphorus oxide, and hydrolysis
08/26/1986US4608180 Separation process
08/26/1986US4608175 Integral waste disposal system
08/26/1986US4608165 For upper region of tank contained liquid
08/26/1986US4608163 Apparatus for purification of contaminated groundwater
08/26/1986US4607501 Condensing and collecting vapors emanating from a land surface
08/26/1986CA1210474A1 Indexing controller system and method of automatic control of cooling water tower systems
08/21/1986EP0157793A4 Method for removing insoluble sulfide pads at oil/water interfaces.
08/21/1986EP0111509A4 Apparatus for universal water treatment.
08/20/1986EP0191679A1 Process for the oxidation of dissolved or suspended substances in an aqueous solution
08/20/1986EP0191483A2 Method and apparatus for biological aerobic wastewater treatment
08/20/1986CN86100366A Biological purification and purifying equipment of waste water
08/19/1986US4606893 Swimming pool chemical dispenser
08/19/1986US4606830 Treatment of effluent liquors
08/19/1986US4606829 Multistage process of adding iron to acidic medium, precipitating in alkaline medium
08/19/1986US4606828 Etched alloy projections, depressurization, crystallization
08/19/1986US4606823 Attachable to faucets or water pipes; valve assembly
08/19/1986US4606794 For households or desalinating seawater
08/19/1986CA1210168A1 Use of polycondensation products of acrolein and formaldehyde for removing hydrogen sulphide and iron sulphide in aqueous systems
08/19/1986CA1209978A1 Sorbent comprising spherical particles of activated carbon treated with a non-crystalline compound of zirconium and process for preparing thereof
08/19/1986CA1209954A1 Electrostatic water treater
08/14/1986WO1986004585A1 Process and system for the flocculation substances which can be flocculated in suspensions, especially for cleaning the discharge water of deinking plant
08/14/1986WO1986004517A1 Installation with a heat absorbing and heat releasing process part as well as with heat supply part containing an absorber installation
08/13/1986EP0190975A1 Process and installation for treating waste water
08/13/1986EP0190764A1 Process and system for disposing of radioactive liquid waste
08/13/1986EP0190741A1 Pump-water wheel system
08/13/1986EP0190739A2 Water-Deionizing system
08/13/1986EP0190637A1 Process and apparatus for removing elementary oxygen by a reduction agent in a cooling liquid circulating in one or more closed circuits
08/13/1986EP0190599A2 Device for the treatment, particularly softening and/or total demineralization of water
08/13/1986EP0190545A1 Apparatus for scale elimination and inhibition
08/13/1986EP0190478A1 Method of reducing the nickel content in waste water
08/13/1986EP0190395A2 Process for removing Thiosulfate
08/13/1986EP0190122A1 Method and device for the treatment of water by means of electrolysis
08/13/1986CN85100681A Continuous liquid-phase switching ion-exchange treatment process
08/12/1986US4605640 Oil-absorbent cellulosic derivatives
08/12/1986US4605499 Disposable, portable-drinking water
08/12/1986US4605498 Apparatus for magnetic treatment of liquids
08/06/1986EP0189561A1 Apparatus for haemodiafiltration
08/06/1986EP0189401A1 Electrostatic water treatment and electrode therefor.
08/06/1986CN85100185A Waste water from luminous powder treatment by pptn.
08/06/1986CN85100116A Centrifugal extraction technique for recovering wool degrass from wool washing water
08/05/1986US4604321 Conjugated diolefin polymer on porous support
08/05/1986US4604215 Waste treatment; reducting oxygen demand
08/05/1986US4604214 Removal of nitrocresols from dinitrotoluene waste streams using fentons reagent
08/05/1986US4604213 Polymers of 1-acryloyl-4-methyl piperazine, methyl chloride or sulfate quaternary salts as flocculants
08/05/1986US4604194 Reverse osmosis; drinking and cooking purposes
08/05/1986CA1209057A1 Microporous filter system and process
08/05/1986CA1208874A1 Water sterilization system
07/1986
07/31/1986WO1986004348A1 Hygienization of water-miscible cooling lubricant emulsions by irradiation with hard gamma rays
07/31/1986WO1986004340A1 New stable water-in-oil dispersions of water-soluble cationic polymers based on salified or quaternized dimethylaminoethyl acrylate, production process and their application as flocculants
07/30/1986EP0189373A2 Anionic modified polysaccharides, process for their preparation and their use
07/30/1986EP0189155A1 Method for reduction of sewage sludge from sewage clarification plants
07/30/1986EP0188507A1 A method for neutralizing waste sulfuric acid by adding a silicate.
07/30/1986EP0188483A1 Process and system for sludge processing
07/30/1986CN85204463U Defluornation water purifier
07/30/1986CN85202067U Combination water purifying equipment with fluidics-labyrinth and sloping cam plate
07/30/1986CN85100955A Treatment process for hospital sewage in cold area
07/29/1986US4603006 Antifouling agents
07/29/1986US4603001 Apparatus and method for filtering a fluid
07/29/1986US4602999 Method for removing a silicic compound from the waste liquor of steel pickling
07/29/1986CA1208741A1 Microcomputer controlled demand/scheduled water softener
07/29/1986CA1208621A1 Particulate oil-absorbing composition and process of using the same to absorb oil
07/29/1986CA1208411A1 Algae controlling device
07/24/1986EP0122270A4 Separation of multi-phase systems.
07/23/1986EP0187880A1 Process and apparatus for the treatment of liquids, particularly the deionisation of aqueous solutions
07/23/1986CN85102655A Electrochemical treatment of bacteria containing sewage
07/22/1986US4602162 Monitoring port for ultraviolet water purification systems
07/22/1986US4601831 Antimicrobial adjustment technique
07/22/1986US4601822 Swimming pools
07/22/1986US4601808 Ion exchange resin chambers; efficient
07/22/1986US4601789 Water purification apparatus
07/22/1986CA1208022A1 Process and apparatus for recovery of water from dispersions of soot and water