Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
01/1987
01/31/1987CN86100778A Comprehensive process for electroplating waste water treatment
01/31/1987CN86100483A Process for producing polyferric sulfate
01/31/1987CN85101740A Recovery of organic acids, catalysts and water from terephehalic acid manufacture
01/29/1987WO1987000559A1 Electrode construction
01/29/1987WO1987000516A1 Method for wastewater treatment
01/29/1987DE3618186A1 Water distribution system for a mobile or stationary decontamination plant
01/29/1987DE3526863A1 Process and apparatus for treating waste water of barrel finishing processes
01/29/1987DE3525990A1 Sanitary water heating tank
01/28/1987EP0209964A2 Evaporation method and apparatus
01/28/1987EP0209790A2 Carrier materials containing polymer-bound fillers, process for their manufacture and their use
01/28/1987EP0209789A2 Method of separating pollutants from water-solvent mixtures
01/28/1987EP0209734A1 Process for the recovery of amine and metal compounds in the preparation of polyphenylene ether
01/28/1987EP0209603A1 Water cleaning apparatus
01/28/1987EP0209533A1 Process and system for the flocculation substances which can be flocculated in suspensions, especially for cleaning the discharge water of deinking plant.
01/28/1987CN85105632A Precipitation tank with longitudinal declinate plate
01/27/1987US4639718 Boiler blowdown monitoring system and process for practicing same
01/27/1987US4639293 Partially evacuated solar still
01/27/1987US4638766 Process for the treatment of boiler condensate
01/24/1987CN86103000A Treatment of waste water from chromium plating factory by sulfur dioxide
01/24/1987CN85109068A Treatment of sewage from plating works by chemical reduction precipitation and light catalytic oxidation
01/22/1987DE3525770A1 Process for the continuous removal and recovery of ammonia from waste waters of flue-gas purification plants
01/22/1987DE3525326A1 Covering apparatus for settling tanks
01/21/1987EP0209260A2 Biocidal mixture
01/21/1987CN85105484A Preservative for drinking water
01/20/1987US4637783 Fluid motor-pumping apparatus and method for energy recovery
01/20/1987EP0137827A4 Distillation apparatus.
01/20/1987CA1216781A1 Compositions comprising mineral particles in suspension and method of treating aqueous systems therewith
01/17/1987CN85101146A Process for treatment waste solution containing ammonium ions and fluorine ions
01/15/1987WO1987000220A1 Arrangement for the flocculation of flocculable substances, particularly for the purification of effluents from deinking installations for used paper processing
01/15/1987WO1987000162A1 Process and apparatus for treatment of water
01/15/1987WO1987000161A1 Removing selenium from water
01/15/1987WO1987000160A1 Apparatus for desalinating salt water by membrane distillation
01/15/1987DE3524952A1 Process for the preparation of a water-in-oil emulsion of a polymer
01/15/1987DE3523541A1 Process for working up hydrolysed residues arising in the preparation of organochlorosilanes
01/14/1987EP0208217A1 Flocculant organosol in harmony with the environment
01/14/1987EP0208198A2 Method of biopolymeric sludge dewatering
01/14/1987EP0208119A1 Water-soluble monomers and polymers
01/14/1987EP0207951A1 Osmotic concentration by membrane.
01/14/1987EP0138857B1 Method and apparatus for ozonizing a fluid
01/14/1987CN85105534A Method of soil decontamination by sewage appling to particulate soil
01/14/1987CN85104999A Method of processing an iron-containing dust obtained in the preparation of iron of steel
01/13/1987US4636367 Coprecipitation, fluidized beds
01/13/1987US4636307 Hydrophobic and hydrophilic microporous membranes
01/13/1987US4636296 Demineralization, ion exchanging, electricity
01/13/1987US4636283 Nultistage vertical tube evaporation
01/13/1987US4635663 Self-contained, single-use hose and tubing cleaning module
01/10/1987CN85101846A Method for removing sulfate from electrolytic brine
01/08/1987DE3624169A1 Device for the disinfection of liquids by irradiation
01/08/1987DE3622225A1 Process for purifying waste waters
01/08/1987DE3523026A1 Device for sterilizing a liquid
01/08/1987DE3522713A1 Drinking water preservative
01/07/1987EP0207798A2 Sorbing apparatus
01/07/1987EP0207592A1 Testing polyelectrolytes
01/07/1987EP0207390A1 Process for the recovery of amine and metal compounds in the preparation of polyphenylene ether
01/07/1987EP0207208A1 Injector with regulated flow
01/07/1987EP0091469B1 Method of immobilizing organic contaminants and non-flowable matrix produced therefrom
01/06/1987US4634539 Oxygen-reactive sulfite and/or bisufite with iron oxide as catalyst
01/06/1987US4634536 Solid particles form liquids in slurries
01/06/1987US4634533 Method of converting brines to useful products
01/02/1987DE3525788A1 Method and arrangement for controlling the addition of chemicals for flocculating flocculable substances in suspensions, especially for purifying the backwater of de-inking installations
01/02/1987DE3522466A1 Process for the recovery of the amine and metal components in the synthesis of polyphenylene ethers
01/02/1987DE3522212A1 Process for dewatering sludge
01/02/1987DE3512880C1 Device for the metered dispensing of cold drinks and hot drinks
12/1986
12/31/1986WO1986007617A1 Method at water supply and sewerage system and system for water supply and sewerage
12/31/1986WO1986007586A1 Electrode unit to be used for purification of emulsions and polluted waters, especially oil-bearing waters, by means of electrolysis
12/31/1986WO1986007585A1 A distillation apparatus
12/31/1986CN86102465A Cross-flow filtration
12/30/1986US4632766 Oxidation
12/30/1986US4632764 Sludge dewatering process using multiple layer plate
12/30/1986US4632760 Method of treating aqueous solutions
12/30/1986US4632758 Anaerobic wastewater treatment system
12/30/1986US4632754 Desalination apparatus
12/30/1986US4632745 Removing ions from liquids; anion and cation exchange resins
12/30/1986US4632737 Adding bismuth compounds and reversing the current
12/30/1986US4632150 Water conditioner rotary valve
12/30/1986EP0206915A2 Cleaning apparatus for water surfaces
12/30/1986EP0206782A2 Procedure and apparatus for removing volatile substance from water during distillation or evaporation
12/30/1986EP0206690A1 Ground-water treatment
12/30/1986EP0206285A2 Filter cartridge for upgrading drinking water quality
12/30/1986EP0205976A2 A process for the removal of sulfur oxides from gaseous and/or liquid waste products
12/30/1986EP0205496A1 Nitrification/denitrification of waste material
12/30/1986EP0205429A1 Treatment of wash water in paint spray booths.
12/30/1986EP0059205B1 Fluid treatment apparatus
12/30/1986CA1216083A1 Waste water treatment process
12/24/1986CN86202791U Electrochemical disinfect liquid generator
12/24/1986CN85108745A Method for removing ammonia from waste water
12/24/1986CN85104609A Water purification system
12/24/1986CN85103593A The method and equipment of separating oily sewage
12/24/1986CN85103278A Hollow - fiber filter module
12/23/1986USRE32312 Reducing turbulence
12/23/1986US4631530 Chemical process monitor
12/23/1986US4631135 Reduce biofouling of system by providing support surface
12/23/1986US4631133 Waste treatment device and method using microwaves
12/23/1986US4631132 Non-polymeric, biodegradable salt of fatty acid minoalkyl alkanolamide
12/23/1986US4630634 Solid chlorine dispenser for spas
12/23/1986CA1215674A1 Electrolytically softening sea water
12/23/1986CA1215652A1 Sewage flow control apparatus
12/23/1986CA1215545A2 Method for treating an insoluble composition loaded with th.sup.4.sup. and uo.sub.2.sup.2.sup. to separate th.sup.4.sup. therefrom
12/18/1986WO1986007346A1 Methods for the purification of water and the removal of pollutants by using a marine alga, the lithothamnium calcareum
12/17/1986EP0205045A1 Water desalination apparatus