Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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03/11/1986 | US4575527 Viscosity stabilized water-soluble amine polymers |
03/11/1986 | US4575404 Pure water tank assembly for water distillation equipment |
03/11/1986 | CA1201726A1 Process for the removal of urea, ammonia and carbon dioxide from dilute aqueous solutions |
03/11/1986 | CA1201640A1 Aqueous dispersion microbiocide composition containing methylene bis (thiocyanate) |
03/05/1986 | EP0173676A1 Centrifuge for dehydrating and drying predehydrated sludges |
03/05/1986 | EP0173007A2 Cavitation generating apparatus |
03/05/1986 | EP0172835A1 Fixation of dissolved metal species with a complexing agent. |
03/04/1986 | US4574071 Process for removing dissolved oxygen from water using hydrazine |
03/04/1986 | US4574049 Reverse osmosis system |
03/04/1986 | US4574036 Method and an installation for purifying industrial waste water, particularly process water from dyeing works |
03/04/1986 | CA1201422A1 Process for the recovery of aluminum and iron salts from acidic waste waters |
03/04/1986 | CA1201358A1 Synergistic compositions containing hydroxypropyl methanethiolsulfonate and methods of using same |
02/27/1986 | WO1986001233A1 Process for the regeneration of cleaning and degreasing baths and device for application of the process |
02/27/1986 | WO1986001191A1 Method and device for the treatment of water by means of electrolysis |
02/27/1986 | WO1986001124A1 Process for the separation of emulsions containing water as a continuous phase and device for the application of the process |
02/26/1986 | EP0172743A1 Selective and continuous removal of metal-ion contaminants from plating baths |
02/26/1986 | EP0172723A2 Water soluble polymers |
02/26/1986 | EP0172714A1 Self-supporting structures containing immobilized inorganic sorbent particles and method for forming same |
02/26/1986 | EP0172649A2 Dewatering solids suspensions |
02/26/1986 | EP0172505A2 Fuel cell |
02/26/1986 | EP0172403A1 Evaporation cooling tower |
02/26/1986 | EP0172335A2 Method and apparatus for conditioning waste water sludge |
02/26/1986 | EP0172334A2 Method and apparatus for eliminating volatile substances from fluids such as waste water |
02/26/1986 | CN85201092U Oil-water separation device with suction pump |
02/25/1986 | US4572821 Apparatus for dissolving ozone in a fluid |
02/25/1986 | US4572797 Method for removing trace pollutants from aqueous solutions |
02/25/1986 | US4572786 Polluted fresh or sea water; flocculation, separation tanks; compact |
02/25/1986 | US4572785 Water purifier unit |
02/25/1986 | US4572775 Apparatus for sterilizing fluids |
02/25/1986 | US4572235 Mixing apparatus |
02/25/1986 | US4571947 Method of and apparatus for treating the water in a solar pond power plant |
02/19/1986 | EP0172003A1 Sorbing apparatus |
02/19/1986 | EP0171661A1 Method of preparing cationic terpolymers and product derived therefrom |
02/19/1986 | EP0171478A2 Electrolyzing process and electrolytic cell employing fluidized bed |
02/18/1986 | US4571297 Bladder pump |
02/18/1986 | US4570702 Shell and tube vertical heat exchanger with sleeves around the tubes |
02/18/1986 | CA1200778A1 Recovery of organic and heavy metal components from aqueous dispersions |
02/18/1986 | CA1200768A1 Liquid degasification device |
02/18/1986 | CA1200700A1 Metering apparatus |
02/13/1986 | WO1986000920A1 Process for the removal of volatile contents from water produced during coal upgrading processes |
02/13/1986 | WO1986000879A1 Two-stage planification method and device for liquids laden with solid materials |
02/13/1986 | WO1986000821A1 Process and system for sludge processing |
02/13/1986 | EP0172835A4 Fixation of dissolved metal species with a complexing agent. |
02/12/1986 | EP0171357A1 Method and apparatus for water demineralisation |
02/12/1986 | EP0170895A2 Improved electrodeionization apparatus and method |
02/12/1986 | CN85201475U Ion-exchange water treatment equipment using non-pressure floating bed. |
02/11/1986 | US4569785 Thioureylenes and uses thereof |
02/11/1986 | US4569769 Wastewater treatment |
02/11/1986 | US4569768 Flocculation of suspended solids from aqueous media |
02/11/1986 | US4569766 Hydrogen sulfide and mercaptan scavenger |
02/11/1986 | US4569729 Refining gold and other metals; electrolysis of electrolyte, fluidized electrodes |
02/11/1986 | CA1200627A1 Process for solvent extraction using phosphine oxide mixtures |
02/11/1986 | CA1200524A1 Rotary evaporator |
02/11/1986 | CA1200510A1 Water purifying method and system |
02/11/1986 | CA1200459A1 Dispersant composition |
02/05/1986 | EP0170394A2 Aqueous polymer dispersions |
02/05/1986 | EP0170349A1 Liquid-solid contacting apparatus and method |
02/05/1986 | EP0170071A1 Process and apparatus for controlled addition of conditioning material to sewage sludge |
02/04/1986 | USRE32077 Electrolytic cell with membrane and method of operation |
02/04/1986 | US4568465 Controlling a plurality of electrically actuatable valves by sensing the volume of water |
02/04/1986 | US4568447 Process for the removal of trace quantities of hydrocarbonaceous compounds from an aqueous stream |
02/04/1986 | US4568271 Method and shaft furnace for gasifying waste liquids containing organic components |
01/29/1986 | EP0169620A1 Apparatus for purifying water, comprising an upflow reactor with an influent distributing system to be connected to a central water supply system |
01/29/1986 | EP0169430A2 Process for the clarification of coloured waste water |
01/29/1986 | EP0169343A2 Device for cleaning dampening water in an offset press |
01/28/1986 | US4567207 Polymeric material adapted for physico-chemical separation of substances and method for producing same |
01/28/1986 | US4566986 Flocculating agents and processes for making them |
01/28/1986 | US4566975 Method for purifying aqueous solutions |
01/28/1986 | US4566909 Water-insoluble salt formed in situ |
01/28/1986 | CA1199886A1 Process for the separation of oil-in-water emulsions by electrolysis |
01/22/1986 | EP0168930A1 Method of encapsulating organic material |
01/22/1986 | EP0168893A2 Recovery of glycerine from saline waters |
01/22/1986 | EP0168752A2 Method of treating liquid wastes containing heavy metal chelate compounds |
01/22/1986 | EP0168538A1 Clarifier |
01/22/1986 | EP0168470A1 Process and apparatus for purification of contaminated groundwater |
01/21/1986 | US4565675 Pollution control |
01/21/1986 | US4565635 Flocculation of aqueous media with novel flocculating adjuvant |
01/21/1986 | US4565634 Method for the removal of oxygen from water |
01/21/1986 | US4565633 Removal of dissolved heavy metals from aqueous waste effluents |
01/21/1986 | US4565627 Filters for uranium, gold or silver |
01/21/1986 | CA1199630A2 Micro vortex stream flow mixer for bubble generation |
01/16/1986 | WO1986000288A1 A method for neutralizing waste sulfuric acid by adding a silicate |
01/16/1986 | WO1986000287A1 Method and device for automatic control of electrochemical treatment of sewage |
01/15/1986 | EP0167736A2 Method of transfering metal ions by use of microporous membranes |
01/15/1986 | EP0167686A1 Process for containment of liquids as solids or semisolids |
01/15/1986 | EP0167569A1 Deoxygenation process and apparatus. |
01/15/1986 | EP0167558A1 A method and apparatus for recovery of metals from liquid bath |
01/14/1986 | US4564506 Water treatment dispensing system |
01/14/1986 | US4564464 Amblyganite montmorillonite |
01/14/1986 | US4564452 Disposable; chemical or biochemical analysis |
01/14/1986 | US4564447 Purification apparatus |
01/14/1986 | US4564373 Method for bubble-free gas feed |
01/14/1986 | US4564004 Hydrolyzed cassava starch flocculants |
01/14/1986 | CA1199283A1 Method of treating saline water |
01/10/1986 | CN85100892A Preparation of paper mould ion-exchange membrane and its application in water purification |
01/08/1986 | EP0167502A2 Metal ion binding product to inhibit bacterial growth for the immobilization and purification of biopolymers and the like |
01/08/1986 | EP0167185A1 Method and apparatus of processing slurries containing rock |
01/07/1986 | US4563335 Nuclear fuels |
01/07/1986 | US4563286 System of ionized oxygen allotrope gas water purification and method and apparatus therefor |
01/07/1986 | US4563285 Method for dewatering phosphate slimes |