C02F 1 - Treatment of water, waste water, or sewage

Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/1992
11/03/1992	CA2058406A1 Method for detackification of paint spray operation wastes
11/03/1992	CA2018617C Preventative maintenance system for underwater pipes
11/02/1992	CA2109418A1 Glycine anhydride dimethylol as a biocide and preservative
10/1992
10/29/1992	WO1992018428A1 Zirconium oxide ceramics for surfaces exposed to high temperature water oxidation environments
10/29/1992	WO1992018426A1 Aqueous phase removal of nitrogen from nitrogen compounds
10/29/1992	WO1992018235A1 Catalysed hypochlorite decomposition process
10/29/1992	WO1992018223A1 Magneto-hydrodynamic fluid treatment system
10/29/1992	WO1992018218A1 Horizontal motion quick-disconnect filter system with recirculating bypass
10/29/1992	WO1992018215A1 Fluid filter having enhanced adaptability to environmental conditions
10/29/1992	WO1992015633A3 Improved management of waste solution containing photoresist materials
10/29/1992	DE4113911A1 Electrolytic decomposition of ammonium in aq. soln. - by electrolysis using insol. anode esp. of platinum gp. metal
10/29/1992	DE4113861A1 Device for cleaning waste layer from printing operations - consists of storage vessel linked to reaction vessel by transfer pump with level switches in reaction vessel control agitator, filling, emptying and reagent dosing
10/29/1992	DE4113860A1 Device for cleaning liquids e.g. water for making tea - has filter cartridge with tapered lower part and with outlet filter surface extending into walls to prevent blockages
10/29/1992	DE4113813A1 Cleaning waste water from printing operations - in which desorption air is purified in activated carbon@ filter before venting, and desorbed water is further filtered
10/29/1992	DE4113125A1 Process for purificn. of oil-polluted water - comprises adding foamed polystyrene powder or granules to water, removing e.g. with sieves and heating or dissolving to reduce vol.
10/28/1992	EP0510794A1 Method for neutralizing an alkaline solution of an organic resin
10/28/1992	EP0510792A1 Method of removing and recovering hydrocarbons from hydrocarbon/water mixtures
10/28/1992	EP0510517A1 Method and apparatus for treating wastewater
10/28/1992	CN2120258U Fuel-economizing boiler water feed deoxygenating device
10/28/1992	CN2120110U Magnetic bar for drinking
10/28/1992	CN2120109U Stack used for liquid draining and intaking device of water treatment equipment
10/28/1992	CN2120055U Magnetizing container for vehicle
10/28/1992	CN2119958U Double current mixed-bed ion-exchanger
10/28/1992	CN1065644A Apparatus for purifying sewage
10/28/1992	CN1065643A Method for purifying sewage
10/28/1992	CN1065642A Treating method for discharged alkali liqnid of synthesizing octene aldehyde system
10/27/1992	WO1992019542A1 Method and apparatus for seawater potabilization
10/27/1992	US5158973 Process and composition for inhibiting and controlling bacterial growth
10/27/1992	US5158835 Homogeneous mixture of alkaline material and gypsum
10/27/1992	US5158711 Insoluble tannin preparation process, waste treatment process employing insoluble tannin and adsorption process using tannin
10/27/1992	US5158689 Heat exchanging, oxidation
10/27/1992	US5158688 Process for removing inorganic gels and incompressible solids from acidic media
10/27/1992	US5158687 Methods of removing undesired ions from aqueous solutions
10/27/1992	US5158683 Nanofiltration
10/27/1992	US5158681 Dual membrane process for removing organic compounds from the water
10/27/1992	US5158678 Water clarification method and apparatus
10/27/1992	US5158674 Radioactive waste liquid treatment apparatus
10/27/1992	US5158654 Air permeable carrier containing catalyst and electroconductive material
10/27/1992	US5158650 Solar still assembly
10/27/1992	US5158603 In presence of water insoluble weak organic acid
10/27/1992	US5158454 Dental unit
10/27/1992	US5157979 Helix drive for a piston
10/27/1992	CA2086090A1 Method and apparatus for desalination of saltwater
10/27/1992	CA1309399C Effluent treatment
10/27/1992	CA1309359C Filtering system
10/26/1992	CA2067020A1 Methods and apparatus for treating wastewater
10/23/1992	CA2060158A1 Method of removing and recovering hydrocarbons from hydrocarbon/water mixtures
10/22/1992	DE4117049A1 Recycling lye extracted from cellulose@ mfg. plant - has recycling system incorporated to separate valuable material from lye for re-use in plant
10/22/1992	DE4112733A1 Purifying waste water from carbonisation of hydrocarbon contg. solid - by wet oxidn. to produce gas, burnt as fuel, and pure water used for heat recovery
10/22/1992	DE4112391A1 Optimising chemical usage in flocculation process - for removing residual phosphorus and suspended matter from clarification plant discharge
10/21/1992	EP0509609A1 Method and apparatus for processing manure
10/21/1992	EP0509601A1 Process for treating effluents resulting from yolky wool-scouring processes
10/21/1992	EP0509152A1 Method and apparatus for processing manure
10/21/1992	CN2119607U Automatic health boiler
10/21/1992	CN2119421U Device for preventing and removing scale
10/21/1992	CN2119418U Recoverer for heavy metallic ion
10/21/1992	CN2119417U High-field intensity magnetizer for drinking water
10/21/1992	CN2119232U Portable magnetization type women's health care electric irrigator
10/21/1992	CN2119230U Ultraviolet disinfection device
10/21/1992	CN2119168U Full-automatic spatial magnetization type stopper for thermos
10/21/1992	CN2119150U Magnetic cup with rotary full-magnetic field
10/21/1992	CN1065442A High-temperature steaming and boiling dried sweet-potato slices to brew liquor and recovering distillers' grains
10/21/1992	CN1065441A Clearing and recovery method for large area overflowed oil on sea
10/21/1992	CN1018729B Method for treating waste liquid from gourmet powder plant and products thereof
10/21/1992	CN1018718B Iron button deoxidation equipment for water supplying of boiler
10/20/1992	US5156748 Catalytic process for oxidative degradation of aqueous effluents containing toxic hydrocarbon compounds
10/20/1992	US5156746 Treatment of water
10/20/1992	US5156745 Induced gas liquid coalescer and flotation separator
10/20/1992	US5156739 Eductor to reduce pressure
10/20/1992	US5156737 Orally operable, portable, water filtration device
10/20/1992	US5156335 Filtered drinking straw
10/20/1992	CA1308991C Biocidal compositions and use thereof
10/20/1992	CA1308879C Method and apparatus for solids separation in a wet oxidation type process
10/18/1992	CA2066466A1 Method and apparatus for processing manure
10/16/1992	WO1992018427A1 Cellulose absorbent product and method of manufacture
10/16/1992	CA2108153A1 Cellulose absorbent product and method of manufacture
10/14/1992	EP0508953A1 Method for scale, corrosion and microbiological control in aqueous systems
10/14/1992	EP0508676A2 Composition for producing ferrous dithionite and process for removing dissolved heavy metals from water
10/14/1992	EP0508605A1 A method for detackifying oversprayed paint
10/14/1992	EP0508338A1 Method and device for degrading organic contaminants by means of photolysis
10/14/1992	EP0508243A1 Continuous autocirculation, multiple zone mass transfer apparatus and method
10/14/1992	EP0508024A1 Process for the treatment of effluents and installation for carrying out the process
10/14/1992	EP0508023A1 Process for the treatment of effluents and installation for carrying out the process
10/14/1992	EP0507981A1 Method to treat toxic and harmful sludges coming from metal processings so as to remove metals and their alloys
10/14/1992	EP0507960A1 Method of fractionizing water molecule cluster, water-soluble mineral containing solution used for this fractionizing method and method of producing the mineral containing solution
10/14/1992	EP0507795A1 Method for de-aerating from an aqueous composition and device for implementing the method.
10/14/1992	CN2118876U Strongly magnetized water tap
10/14/1992	CN2118731U Ionic device for preventing scale
10/14/1992	CN2118729U Multi-funciton water treatment equipment
10/14/1992	CN2118728U Water treatment equipment with strilization function
10/14/1992	CN2118727U High-efficiency magnetizing water equipment
10/14/1992	CN2118726U Multi-electrode electrolyzer
10/14/1992	CN2118725U Equipment for prepn. of short chain water
10/14/1992	CN2118724U Sterilization drinking water equipment
10/14/1992	CN2118574U Backflow type water purifier
10/14/1992	CN2118472U All magnet type thermo-insulated magnetization cup
10/14/1992	CN2118459U Multi-polar strong magnetization water cup
10/14/1992	CN2118458U Water magnetization kettle
10/14/1992	CN1065258A Water pretreatment using calcium carbide slurry
10/14/1992	CN1018629B High-molecular cpd. coagulant and prepn thereof

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