Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/1999
11/03/1999CN2346787Y Marine seawater desalter
11/03/1999CN2346786Y Purified water drinking machine
11/03/1999CN2346785Y Hyperfilevation water purifier without waste water and with automatic cleaning filtering core
11/03/1999CN2346782Y Lattice type sponge iron particles filtering deaerator
11/03/1999CN2346781Y Microelectronic water treatment appts.
11/03/1999CN2346780Y Polar plate device of ion water generator
11/03/1999CN2346779Y Water tank for separating or removing fatty or oily substances
11/03/1999CN2346778Y Biological filter chamber for water purification
11/03/1999CN2346777Y Seawater desalting appts.
11/03/1999CN2346776Y Waste water treatment furnace
11/03/1999CN2346775Y 自清洗家用净水器 Self-cleaning household water purifiers
11/03/1999CN1233972A Modular filtration system
11/03/1999CN1233596A Method for treating and utilizing human excrement from urban districts
11/03/1999CN1233594A Method for producing purified and mineralizd water
11/03/1999CN1233593A Method for preparing compounded aluminium flocculant contg. dicyandiamide-formaldehyde
11/03/1999CN1233592A Method of treating sludge containing arsenic
11/03/1999CN1233591A Plasma waste water treatment method and equipment therefor
11/03/1999CN1233590A Process for treating water and apparatus therefor
11/03/1999CN1233589A Natural snow water and method for producing same
11/03/1999CN1233526A Method for removing halogen-contd. compound in gas or liquid using composite catalyst contg. at least one metallic element
11/03/1999CN1233520A Filtering device
11/03/1999CN1233470A Electrolysis of water resulting in reduction of fat content in human liver
11/03/1999CN1046158C Bactericidal water boiler with function of incineration
11/03/1999CN1046080C Additive for poultry fodder and its prepn. method
11/02/1999US5977287 Treatment of aqueous systems using a chemically modified tannin
11/02/1999US5977015 Method for making a carbon-reinforced electrode
11/02/1999US5976888 Method for measuring NOx in biochemical processes
11/02/1999US5976401 Metal hydroxide complex
11/02/1999US5976386 Method and apparatus for treating liquids to inhibit growth of living organisms
11/02/1999US5976385 Pool cleaning and sanitizing apparatus
11/02/1999US5976384 Process for treating waste water
11/02/1999US5976383 Recycle process for removing dissolved heavy metals from water with aluminum particles
11/02/1999US5976377 System and method for the reduction of the biological oxygen demand level of a flowable waste water
11/02/1999US5976376 Sewage treatment process
11/02/1999US5976372 Method of treating a biomass in order to remove heavy metals with hydrogen sulphide
11/02/1999US5976368 Device for the separation of oil from water
11/02/1999US5976366 System for treating desalter effluent water
11/02/1999US5976365 Biomass growth control apparatus for fluid bed biological reactor
11/02/1999US5976364 Apparatus for treating air conditioner condensate with algicide
11/02/1999US5976363 Compact water-conserving kitchen water station with sink for supplying copious purified water, particularly for restaurants
11/02/1999US5975434 Showerhead system with turbulence inducing and water purification means
11/02/1999US5975108 Automatic drain collecting and exhausting apparatus for semiconductor fabrication system
11/02/1999US5974821 System and method for channeled freeze processing of non-solid materials
11/02/1999US5974810 Method and composition for preventing odors in ice
11/02/1999CA2066752C Sanitation system
10/1999
10/29/1999CA2268542A1 Water purifying device with means for indicating the exhaustion of the purifying medium
10/28/1999WO1999054258A1 Soil and/or groundwater remediation process
10/28/1999WO1999054257A1 Inorganic composition, process of preparation and method of use
10/28/1999WO1999054256A1 Device for introducing ozone into liquid media
10/28/1999WO1999054022A1 Filtration unit for removing contaminants from fluids
10/28/1999WO1999053813A1 Apparatus and methods for making beverages
10/28/1999DE19818905A1 Drinking water filter bed with back-flush sludge collecting system
10/28/1999DE19817258A1 Apparatus for introducing ozone into a liquid medium
10/27/1999EP0952119A1 Colloidal silica/polyelectrolyte blends for natural water clarification
10/27/1999EP0952118A1 Colloidal silica/polyelectrolyte blends for natural water clarification
10/27/1999EP0952117A2 Process for treating water electrochemically and apparatus therefor
10/27/1999EP0952116A1 Process for decomposition and removal of dioxins contained in sludge
10/27/1999EP0952115A1 Process for preparing alcohol beverages with reduced negative effects to the human liver
10/27/1999EP0952114A1 Weathered hermatypic coral material
10/27/1999EP0952113A2 Plant for the treatment of washing water
10/27/1999EP0951933A2 Method and apparatus for membrane filtration of liquids
10/27/1999EP0951450A1 Method and apparatus for killing microorganisms in ship ballast water
10/27/1999EP0951449A1 Water treatment process
10/27/1999EP0951448A1 Method and device for the electrophysical treatment of water
10/27/1999EP0951447A2 Treatment of water
10/27/1999EP0951446A2 Increasing turbulent mixing in a uv system
10/27/1999EP0951349A1 Device for generating magnetic fields for catalysing physico-chemical reactions
10/27/1999EP0951331A1 Filter elements and filter devices
10/27/1999EP0951327A1 Device for continuous filtration of liquids
10/27/1999EP0951324A1 Biosorption system
10/27/1999EP0907614A4 Apparatus and processes for non-chemical plasma ion disinfection of water
10/27/1999EP0819138B1 High standard viscosity quaternary mannich microemulsions
10/27/1999EP0783461B1 Method for processing acid effluents
10/27/1999CN2345539Y Multifunction purification and sterilization device for running water
10/27/1999CN2345535Y Middle-sized CLS drinking bowl
10/27/1999CN2345534Y Anti-stop device for sea water system
10/27/1999CN2345533Y Movable waste water float oil treatment device
10/27/1999CN2345532Y Thin-type fat stop apparatus capable of used for storey sewage treatment
10/27/1999CN2345531Y Water intake control mechanism for drinking machine
10/27/1999CN2345530Y Combined integral water treatment automatic medicating device
10/27/1999CN1233301A Metal chelate forming fiber, process for preparing the same, and method of metal ion sequestration using said fiber
10/27/1999CN1233231A Method to reduce or prevent scaling
10/27/1999CN1233230A Recycle of water from polyvinyl chloride polymerization by treatment with a cation exchange
10/27/1999CN1233229A Solar stills for producing fresh water
10/27/1999CN1233228A A water treatment cartridge for use in domestic water treatment apparatus and domestic water treatment apparatus including such a cartridge
10/27/1999CN1233165A Interdental cleaner and manufacturing process
10/27/1999CN1232898A Washing machine
10/27/1999CN1232887A Electrolytic water generator
10/27/1999CN1232794A Straw pulp papermaking sewage treating process
10/27/1999CN1232793A Film process and its equipment for reuse of oil refining sewage
10/27/1999CN1232792A Sustained release film
10/27/1999CN1232791A Treatment method for waste water containing phosphoric acid ion
10/27/1999CN1232790A Tank treatment assembly
10/27/1999CN1232789A Ecological environment protecting mark and its application
10/27/1999CN1232728A Cleansing processing agent, cleansing method employing agent and molded structural member
10/27/1999CN1232610A Controlled release compositions
10/27/1999CN1046031C Simultaneous monitoring method for multiple water treatment performances indicators
10/27/1999CN1045940C Method for treating yellow phosphorus industry waste water
10/27/1999CN1045899C Improved method of purifying kelp-soaking liquid
10/26/1999US5972831 Inorganic transparent photocatalytic composition
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