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)
12/1998
12/03/1998WO1998053903A1 Installation for treating fluids
12/03/1998WO1998040426A3 Crosslinked vinylpyrrolidone with pendant divinyl moiety crosslinker
12/03/1998DE19823553A1 Water treatment assembly for removing micro-particulate matter and killing single-cell or multi-celled organisms has chamber with perforated panel and laminar flow
12/03/1998DE19722920A1 Photolytic modular construction assembly to break water pollutants especially halogens and/or aromatic hydrocarbon
12/03/1998DE19722750A1 Lackentklebungs- und Sedimentationsmittel Paint detackifier and sedimentation
12/03/1998DE19722375A1 Magnetic body for treating water in drum washing machines
12/03/1998DE19722268A1 Waste water treatment process and assembly
12/03/1998CA2291669A1 Preparation of water soluble polymer dispersions from vinylamide monomers
12/03/1998CA2290971A1 Agents for unsticking paint, and sedimentation agents
12/02/1998EP0881555A1 Method for regulating the oxygen concentration of the water in the outlet of a device for dissolving oxygen in water and device for applying such a method
12/02/1998EP0881195A1 Method and apparatus for biological treatment of waste organic liquid
12/02/1998EP0880986A2 Water filter with pressure actuated flow monitor
12/02/1998EP0880893A1 Method for controlling algae
12/02/1998EP0880476A1 Process and plant for sewage treatment
12/02/1998EP0880473A1 Oxygenating apparatus, method for oxygenating water therewith, and applications thereof
12/02/1998EP0880472A1 Methods and compositions for controlling biofouling using fluorosurfactants
12/02/1998EP0880471A1 Water purification plant
12/02/1998EP0880470A1 Apparatus and method for water purification
12/02/1998EP0880469A1 Method and apparatus for purifying water
12/02/1998EP0837627A4 Methods for reducing environmental contaminants
12/02/1998EP0830205A4 Water treatment tablet producing potable water
12/02/1998EP0797601B1 Stable water-in-oil emulsions of hydrolysed polymers of n-vinyl amides, their preparation and their use
12/02/1998EP0782546A4 Replaceable integrated water filtration and sterilization cartridge and assembly therefor
12/02/1998EP0779880B1 Method of removing chlorate and bromate compounds from water by catalytic reduction
12/02/1998EP0775090A4 Apparatus for disinfecting fluids
12/02/1998EP0760805A4 Method and apparatus for capacitive deionization and electrochemical purification and regeneration of electrodes
12/02/1998EP0742783B1 Process of preparing ferric sulfate
12/02/1998CN2299057Y Ozone adding device for water purification
12/02/1998CN2299056Y Fluid magnetic processing and optical radiating appts.
12/02/1998CN2299055Y Household distalling drinking machine
12/02/1998CN2299054Y Tube sheet structure of water purifying unit
12/02/1998CN1200712A Process for purifying rinsing water used in semiconductor manufacture
12/02/1998CN1200683A Hydrolysis reactor for removal of urea ammonia and carbon dioxide from liquid phase comprising urea in aqueous solution
12/02/1998CN1200357A 4-alkyl semicarbazides as oxygen scavengers
12/02/1998CN1200355A Method and equipment for preparing oxygen-rich water
12/02/1998CN1200353A Composite adsorbent element and method for purifying water
12/02/1998CN1200352A Solid phase extraction of multiring hydrocarbon from drinking water
12/01/1998US5843758 Enzyme based bioremediation
12/01/1998US5843337 Treatment of aqueous systems using a chemically modified tannin
12/01/1998US5843317 Recovery and reuse of anionic surfactants from aqueous solutions
12/01/1998US5843309 Water purification system
12/01/1998US5843307 Unit for the treatment of water by ozonization, and a corresponding installation for the production of ozonized water
12/01/1998US5843304 Filtration and treatment system
12/01/1998US5843291 Water electrolyzer
12/01/1998CA2115009C Process for preparing oil sorbent and device for continuously preparing the same
11/1998
11/29/1998CA2238800A1 Process for regulating the oxygen content of water exiting a device for dissolving oxygen in water and device for implementing the process
11/26/1998WO1998052878A1 A water purification apparatus having many functions
11/26/1998WO1998052877A1 Method of water treatment using zeolite crystalloid coagulants
11/26/1998WO1998052876A1 Removal of cell growth from a body of water
11/26/1998WO1998052875A1 Inhibition of water mould in recreational circulating water
11/26/1998WO1998052874A2 Water treatment system having dosing control
11/26/1998WO1998042617A3 An integrated ozone generator system
11/26/1998DE19757616A1 Assembly to treat industrial waste water especially containing oil or dyestuffs
11/26/1998DE19757614A1 Rapid, efficient separation of dye and pigment from waste water
11/26/1998CA2290817A1 Removal of cell growth from a body of water
11/26/1998CA2290408A1 A water purification apparatus having many functions
11/25/1998EP0879792A2 Method for reducing algae and nutrient medium of a body of water and device for carrying out this method
11/25/1998EP0879641A1 Hydrogenation catalyst comprising palladium deposited on activated carbon
11/25/1998EP0879634A2 Process of purification of leachate from dumps via ultrafiltration and reverse osmosis
11/25/1998EP0879627A1 Condensate treatment process and apparatus
11/25/1998EP0879214A1 A method for descaling using a structured liquid or solid
11/25/1998EP0879213A1 AN ACTIVATED CARBON TREATED BY CARBON DIOXIDE FOR THE STABILIZATION OF TREATED WATER pH AND THE CONTROL OF ALUMINUM IN THE TREATED WATER
11/25/1998EP0879085A1 Method and apparatus for minimizing wastewater discharge
11/25/1998EP0879079A1 Membrane filter with electrical and/or acoustic enhancement
11/25/1998EP0741669B1 Process and device for thermally separating components of a liquid
11/25/1998EP0697999B1 Method for forced catalytic deoxygenation of sea water
11/25/1998CN2298412Y Chlorine filter intermediate buffer tank
11/25/1998CN2298246Y Automatic purifier
11/25/1998CN2298244Y Distilled water generator
11/25/1998CN2298243Y Self-wash type purifier
11/25/1998CN1040842C Filter jug
11/24/1998US5841737 For use with a liquid medium
11/24/1998US5840804 Crosslinked water-soluble polymer dispersions
11/24/1998US5840632 Foamed materials containing blends of polystyrene, elastomers and blowing agent for very efficient absorption of impurities and spills
11/24/1998US5840196 Wastewater treatment assembly comprising enclosure having rotatable wheel which draws water and air therein, breaking water into droplets and mixing with air to aerosolize
11/24/1998US5840195 Method and installation for treating an untreated flow by simple sedimentation after ballasting with fine sand
11/24/1998US5840194 Process for treating arsenic-containing waste water
11/24/1998US5840185 Sports bottle filter cartridge
11/24/1998US5840184 Magnetic regulator for preventing scale in a non-drinking water system
11/24/1998US5840174 Process for the purification of gases
11/24/1998US5840159 Marine evaporator for fresh water production
11/24/1998US5840158 Adding conditioned colloidal silica sol and a cationically-charged water-soluble polymer as coagulants and a flocculant
11/24/1998US5840111 Nanodisperse titanium dioxide, process for the production thereof and use thereof
11/24/1998US5839155 Continuous flow cleaning system with ozone injection
11/23/1998CA2205511A1 Ozonated water supply purifier
11/19/1998WO1998051980A1 System and method for channeled freeze processing of non-solid materials
11/19/1998WO1998051776A1 Method for producing cold-filtered beer
11/19/1998WO1998051628A1 Water filtration device and related filter cartridge
11/19/1998WO1998051623A1 Filter aid for clay processing
11/19/1998WO1998051622A1 Grey water purification and recycling system
11/19/1998WO1998051621A1 Electrochemical treatment of ion exchange material
11/19/1998WO1998051620A1 Purification of a liquid stream
11/19/1998WO1998051619A1 Process for the removal of pentavalent arsenic from water
11/19/1998WO1998051618A1 Method for removing biomass from a liquid by means of a reactor
11/19/1998WO1998051616A1 Process for the production of gypsum from sulphuric acid containing waste streams
11/19/1998WO1998051614A1 A modified magnesium hydroxide slurry for use in treating wastewater and a process for producing thereof
11/19/1998WO1998051394A1 Water distiller system for medical applications
11/19/1998WO1998051393A1 Separation of a two phase mixture by freezing
11/19/1998WO1998051392A1 Oil coagulant products and method of use therefor
11/19/1998WO1998034877A3 Two-component agent for water-treatment in aquariums for tropical fish
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