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