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)
03/1995
03/29/1995CN1100701A Method of and apparatus for removing iron from sewage of low concentration
03/29/1995CN1100700A Method for prodn. of polymeric ferrous sulphate solution
03/29/1995CN1100616A Filter core containing iodine for mineral water pot
03/28/1995US5401881 Sulfur-containing quaternary ammonium ionene polymers and their use as microbicides
03/28/1995US5401474 Modular self-cleaning oxidation chamber
03/28/1995US5401421 Energy efficient water purification system
03/28/1995US5401420 Sulfide ion-selective electrodes for control of chemical feed of organic sulfide products for metal ion precipitation from waste water
03/28/1995US5401416 Removing heavy metals and dechlorination, alumina filter with zinc-copper alloy shavings
03/28/1995US5401414 Process for recovering a fluid dissolved in a rinsing bath
03/28/1995US5401400 Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products
03/28/1995US5401399 Water purification system
03/28/1995US5401395 Valve arrangement for a pressurized water purifier
03/28/1995US5401394 Water treatment system ultraviolet bulb voltage monitor circuit
03/28/1995US5401374 Electrolyzer for plating waste water
03/28/1995US5401373 Electrolytic pool purifier
03/28/1995US5400619 Freezing purification system and method for decontamination and desalination of water
03/28/1995CA1334979C Production of methanol
03/28/1995CA1334938C Method for processing oil emulsions or microemulsions in polluted waters
03/25/1995CA2128146A1 Activated carbon bodies having phenolic resin binder
03/23/1995WO1995008009A1 Process for the recovery of a heavy metal
03/23/1995WO1995007860A1 Process and device for carrying out continuous photoreactions in a liquid phase
03/23/1995WO1995007857A1 Apparatus and method for reducing the redox potential of substances
03/23/1995WO1995007752A1 Electrodialytic conversion of complexes and salts of metal cations
03/23/1995DE4417543A1 Process and device for the treatment of an organic liquid containing chlorine-containing compounds
03/23/1995CA2171481A1 Apparatus and method for reducing the redox potential of substances
03/23/1995CA2132513A1 Water treatment method and water treatment apparatus
03/22/1995EP0644274A1 Method of scavenging oxygen in aqueous systems
03/22/1995EP0644255A2 Method for flocculating finely divided solids suspended in nonpolar liquids
03/22/1995EP0644248A1 Liquid sorbent article
03/22/1995EP0644160A2 Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems
03/22/1995EP0644159A2 Water treatment method and apparatus on the basis of a liquid cyclone
03/22/1995EP0643766A1 Improved mixture of nutrients for the bioremediation of polluted soils and waters
03/22/1995EP0643677A1 Process for producing and processing wash water in a washing installation, and washing installation.
03/22/1995EP0643676A1 Biological and chemical single step purification of discharged water
03/22/1995EP0643675A1 Inhibiting the growth of zebra mussels
03/22/1995EP0643674A1 Process and apparatus for purifying streams.
03/22/1995EP0643673A1 Removal of cyanide from water.
03/22/1995EP0643672A1 Method of controlling wastewater purification plants using quality evaluation of measuring data.
03/22/1995EP0643617A1 Unit for treating liquid
03/22/1995EP0643615A1 Conditioning process and device for producing pure water.
03/22/1995EP0629141A4 Removing volatile organic compounds from groundwater.
03/22/1995EP0568597B1 A method of and an apparatus for separating liquid manure into a thick slurry phase with high dry matter content and an aqueous phase with desired - high, moderate or low - n-content
03/22/1995CN2192779Y Multifunction automatic cleaning purification water nozzle
03/22/1995CN2192776Y Three magnetic mineralize purification water nozzle
03/22/1995CN2192769Y Magnetic tap
03/22/1995CN2192625Y Magnetic processing device for liquid on bottle and pitcher
03/22/1995CN2192616Y Efficient magnetic processing water apparatus
03/22/1995CN2192615Y Magnetic water apparatus
03/22/1995CN2192614Y Softened water device for tap water of household
03/22/1995CN2192613Y Semi-conducter distilled water apparatus
03/22/1995CN2192612Y Water purifier for household
03/22/1995CN2192258Y Multifunction magnetizer water apparatus for household
03/22/1995CN2192256Y Magnetizer kettle
03/22/1995CN2192250Y Ball-shaped closed-circuit magnetic kettle
03/22/1995CN2192150Y 食品磁化器 Food magnetizer
03/22/1995CN1100385A Pneumatic magnetzed distilled water generator
03/22/1995CN1027984C Method for recoverying & reusing papermaking waste water
03/21/1995US5399755 Process and equipment for the hydrolysis of residual urea in the water from synthesis plants
03/21/1995US5399541 By wet oxidation, iron oxide calcined with metal oxides
03/21/1995US5399288 Solid composition releasing chlorine dioxide
03/21/1995US5399263 Water purifier
03/21/1995US5399261 Installation for the treatment of flows of liquids with monophase contactor and recirculating-degassing device
03/21/1995US5399260 Field portable water purification system
03/21/1995US5399247 Treatment of photofinishing wastes
03/21/1995CA1334824C Biocide protectors
03/17/1995CA2132125A1 Orp electrode for control of polymeric dithiocarbamate for metal ion precipitation from a fluid
03/16/1995WO1995007239A1 Regenerator for oxidation and cleaning of a liquid
03/16/1995WO1995007238A1 Sewage treatment apparatus and method
03/16/1995WO1995007124A1 Water purifier having a demister
03/16/1995WO1995007123A1 Water purifier having a multi-level boiler tray
03/16/1995DE4411691C1 Emulsion separation process
03/16/1995DE4331102A1 Reverse osmosis system and method for controling a reverse osmosis system
03/16/1995CA2166559A1 Sewage treatment apparatus and method
03/15/1995EP0643017A1 Hydrophobic Polyelectrolyte coagulants for concentrating coal tailings
03/15/1995EP0643016A1 Device for disinfection and sterilization of water with UV light
03/15/1995EP0642826A1 Selective carbon filter
03/15/1995EP0642824A1 Method for adjusting the pH of water to a value adjustable in the range from 1 to 13 and apparatus for carrying out said method
03/15/1995EP0642771A2 Centrifuge
03/15/1995EP0642469A1 Method of controlling wastewater purification plants using multiple control functions.
03/15/1995EP0642358A1 Fluid treatment
03/15/1995EP0642309A1 High pulsed voltage systems for extending the shelf life of pumpable food products
03/15/1995EP0636110A4 Process for decreasing chlorine content of chlorinated hydrocarbons.
03/15/1995EP0579623B1 Process for cleaning exhaust air
03/15/1995CN2192013Y Full plastic core type magnetic solar energy water heater
03/15/1995CN2192007Y Automatic mineralized water drinking water heater
03/15/1995CN2191858Y Electronic disinfector
03/15/1995CN2191857Y Domestic purifying automatic water supply device
03/15/1995CN1100068A A method for removing suspended impurities
03/15/1995CN1027885C Method for treating waste water from catalytic cracking unit.
03/15/1995CN1027867C Strong fluid mixing method and multipurpose strong mixer
03/15/1995CN1027855C High-efficiency method for extracting Chinese medical stone
03/15/1995CA2129775A1 Method for adjusting the ph of water to a value adjustable in the range from 1 to 13 and apparatus for carrying out said method
03/14/1995US5397961 Apparatus for generating a pulsed plasma in a liquid medium
03/14/1995US5397500 Compositions for treating waste water which contains heavy metals
03/14/1995US5397499 Calcined animal bone for waste water treatment, food preservation, deodorizing
03/14/1995US5397482 Treatment of cyanides in effluents with Caro's acid
03/14/1995US5397480 Purification of aqueous streams
03/14/1995US5397478 Fixation and stabilization of chromium in contaminated materials
03/14/1995US5397477 Water treatment for purification by ion exchanging
03/14/1995US5397476 Purification of solutions
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