Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
01/1988
01/27/1988CN87207573U Water treatment device
01/27/1988CN87202966U Deposition basin for sewage treatment with water inlet and outlet along periphery
01/26/1988US4721875 Radiation-emitting devices
01/26/1988US4721574 Cationic acrylamide polymer
01/26/1988CA1231914A1 System for diaphragm distillation
01/21/1988DE3622750A1 Process and apparatus for sanitising sludge
01/20/1988EP0253749A1 Continuous electrophoresis separation process and electro-osmosis of electrically charged pulverized solids
01/20/1988EP0253647A1 Device for dosing a flowing fluid
01/20/1988EP0253514A1 Barrier
01/20/1988EP0253305A1 High-frequency ozoniser
01/20/1988EP0253287A1 Combined membrane and sorption process for selective ion removal
01/20/1988EP0253132A1 Tap water filter
01/20/1988EP0253029A1 A distilled drinking water fountain
01/20/1988EP0165948B1 Water desalination and purifying plant by reverse osmosis and ultrafiltration
01/20/1988CN86100483B Process for producing poly-ferric-sulfate
01/19/1988US4720596 Process for removing phenols from water
01/19/1988US4720422 Material for collecting radionuclides and heavy metals
01/19/1988US4720397 Rapid dissolving polymer compositions and uses therefor
01/19/1988US4720346 Synthetic polymer, shear stability
01/19/1988US4720344 Nitrification process in waste water treatment
01/19/1988US4720275 Quick termination apparatus and method for electrical connector
01/19/1988CA1231617A1 Flocculation of acid leach slurries
01/19/1988CA1231615A1 Stabilized polybromide resins and method of preparation
01/14/1988WO1988000259A1 Method of treatment of the circulation water of a paper mill
01/14/1988WO1988000184A1 Surface active lactams
01/14/1988DE3715667A1 Filter fuer chemische apparaturen und verwendung des filters in einem chemischen analysenautomaten Filters for chemical tion equipment and use of filters in a chemical analysis machines
01/14/1988DE3623011A1 Apparatus for the automatic preparation of a solution of powder and water for pH regulation of the water in swimming pools
01/14/1988DE3620980A1 Continuous multiple-stage process for treating the bleaching waste waters from wood pulp production
01/14/1988DE3617995C1 Method for removing silicone- or polymeric fluorocarbon-containing impurities from aqueous emulsions or dispersions
01/13/1988EP0252260A1 Chemical agent for making sludge or mud particles hydrophobic
01/13/1988EP0252166A1 Process for the continuous or quasi-continuous separation of cesium-ions from aqueous solutions by means of ion-exchange on ammonium phosphomolybdate
01/13/1988CN87205849U Auto-lowing fluorine and alkaline device for deep-well water
01/12/1988US4719282 Antistatic agents
01/12/1988US4719083 Composition useful as corrosion inhibitor, anti-scalant and continuous biocide for water cooling towers and method of use
01/12/1988US4719020 Process for concentrating a suspension of microscopic particles
01/12/1988US4719019 Treatment of thiocyanate containing waste liquor
01/12/1988US4719018 Automatic water purifier
01/12/1988US4719015 Apparatus and method for processing sewage scum
01/12/1988US4719010 Regeneration
01/12/1988US4718985 System for diaphragm distillation
01/07/1988EP0251840A1 Process and individual apparatus for the filtration of a liquid
01/07/1988EP0251691A2 Effluent treatment
01/07/1988EP0251573A2 Compositionn for precipitating dirt and other contaminants from wash water and method of cleaning
01/07/1988EP0251469A2 Method for converting substances
01/07/1988EP0251426A2 Selective removal of nitrate ions from salt solutions
01/07/1988EP0251221A2 Process for organic sludge treatment
01/07/1988EP0251182A1 Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same
01/07/1988EP0250639A1 Method and installation for sludge removal from waters
01/07/1988EP0250626A1 Process for the separation of sulfate ions from waste water
01/07/1988EP0250459A1 Disinfectant compositions and disinfection process applicable to infected liquids or surfaces.
01/07/1988EP0250410A1 A method of removing macromolecular organic dissolved and colloidal material from wood processing industry effluents.
01/07/1988DE3622721A1 Process for denitrifying water
01/07/1988DE3622176A1 Reprocessing method for spent oil and reprocessing plant
01/07/1988DE3621928A1 Water softening apparatus
01/06/1988CN87205727U New-structured internal magnetic typle fluid magnetizing unit
01/06/1988CN87203603U Potable water disinfectant adding machine
01/06/1988CN87200193U Liquid ion sifter
01/06/1988CN86104454A Method for reclaiming the used pickle of titanium and its alloy
01/06/1988CN85105637B Treating dissolved fluorine by adsorption
01/05/1988US4717554 Hydrated rare earth oxides or insoluble hydrated rare earth salts as teh adsorbent
01/05/1988US4717484 Process for completing circulatory systems used to purify water and sewage
01/05/1988US4717483 Purification of waste stream from tanning process by adsorption on an adsorbent comprising a mixture of alumina and Y zeolite
01/05/1988US4717476 For households
01/05/1988US4717450 Removal of chloride from process solutions
01/05/1988CA1231030A1 Oximes as oxygen scavengers
12/1987
12/31/1987CN87203620U Water magnetizing oxygenator
12/31/1987CN87202871U Tube type electrolytic tank with sodium hypochlorate generator
12/31/1987CN87202093U Submerged self-control fluorine romover for drinking water
12/30/1987WO1987007847A1 Distillation apparatus and method
12/30/1987CN87104034A Method of and arrangement for purifying contaminated water
12/30/1987CN87102425A Treatment of waste water containing methanol and hydrochloric acid resulted from producing o-methyl thio-phosphoryl dichloride
12/30/1987CN86104439A Making and uses of a composite coagulant
12/29/1987US4716024 Magnetizing hydrocarbon fuels and other fluids
12/29/1987US4715962 Petroleum refinery wastes
12/29/1987US4715869 Dearation of water, countercurrent flow
12/29/1987CA1230882A1 Water-soluble cationic quaternary ammonium monomers
12/23/1987EP0250394A2 Process and apparatus for the purification of waste water from printing plants, especially from screening installations
12/23/1987EP0250316A1 Gas transfer and flotation process for the treatment of water
12/23/1987EP0250019A2 Device for making potable water
12/23/1987EP0249925A1 Method for generating acid and base regenerants and use thereof to regenerate ion-exchange resins
12/23/1987DE3708440A1 Ultrasonic descaling device
12/23/1987DE3620602A1 Apparatus for discharging sludge from a liquid tank
12/23/1987DE3620320A1 Apparatus for the magnetic treatment of water
12/23/1987CN87105033A Treatment of waste water containing heavy metals by magnetic cast iron powder
12/23/1987CN87102036A Treatment for rinsig waste water from low chromium passivating process during zinc plating
12/23/1987CN86210633U Breath type vaccum oxide-remover without water tank
12/23/1987CN86108954A Magnetized mineral water generator
12/22/1987US4714550 Canteen carried water purifier system
12/22/1987US4714548 Device for purification of waste water
12/22/1987US4714546 Potable water filter
12/22/1987US4714534 Produces halogen compounds for sanitization of pools
12/22/1987CA1230561A1 Device for picking up oil from water and from the surface of water
12/22/1987CA1230464A1 Small scale generation of chlorine dioxide for waste water treatment
12/17/1987WO1987007589A1 Method of and arrangement for purifying contamined water
12/17/1987DE3620110A1 Insert for an apparatus for purifying a liquid
12/17/1987DE3618174A1 Combined lime-carbon dioxide-equilibrium-stabiliser (CLCES)
12/16/1987EP0249450A2 Ultraviolet water treatment apparatus
12/16/1987EP0249049A1 Portable water purifier
12/16/1987EP0249004A2 Process and apparatus for the production of a substrate having an energizing active charge
12/16/1987CN86209262U Horizontal pressured air-dissolving device