Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
03/1987
03/17/1987US4650808 Bactericides
03/17/1987US4650590 Method of immobilizing organic contaminants to form non-flowable matrix therefrom
03/17/1987US4650587 Ammonia scavenger
03/17/1987US4650579 Clarifiers
03/17/1987US4650575 Sorbing apparatus
03/17/1987US4650573 Ozone generator water treatment
03/17/1987CA1219385A1 Submerged oxygen inlet nozzle for injection of oxygen into wet oxidation reactor
03/17/1987CA1219384A1 Waste water treatment
03/17/1987CA1219248A1 Preparation of soluble metal salt mixes, essentially vanadium and nickel salts, and their use as catalysts in liquid phase hydrocarcking of heavy oils
03/17/1987CA1219184A1 Inhibition of the staining of porcelain surfaces by manganese
03/16/1987EP0105339A4 System of ionized oxygen allotrope gas water purification and method and apparatus therefor.
03/12/1987DE3530518A1 Process for reactivating activated carbon loaded in the course of water purification
03/11/1987EP0213509A2 Method and apparatus for use in separating solids from liquids
03/11/1987EP0213508A2 Method and apparatus for use in separating solids from liquids
03/11/1987EP0213402A2 Process for the purification and disposal of waste water containing soot and ashes
03/11/1987CN86202531U Movable fast precipitating separator for high metal ions
03/11/1987CN86201616U Improved treating equipment for water quality
03/11/1987CN86201439U Treating equipment for oil-containing waste water
03/11/1987CN85109079A Upflow gas eductor induced air flotation separator
03/11/1987CN85107201A Supersonic gas vibrating device for treating of organic waste water
03/10/1987US4649258 Water treatment for water injection plasma arc cutting apparatus
03/10/1987US4649110 Polymeric substance, and method of separating and culturing bacteria to provide polymeric substance useful in liquid clarification and soil conditioning
03/10/1987US4649036 Process for the manufacture of zeolites 4A having a high crystallinity and a fine granulometry and being particularly suitable for the formulation of detergent compositions
03/10/1987US4649035 Agglomeration, smelting, oxidation
03/10/1987US4648978 Oxidation with hydrogen peroxide or ozone
03/10/1987US4648977 Process for removing toxic organic materials from weak aqueous solutions thereof
03/10/1987US4648976 Integral water demineralizer system and method
03/05/1987DE3626953A1 Method and equipment for the electrokinetic ultrafiltration of macromolecules
03/05/1987DE3531495A1 Method for heating a liquid by means of solar energy
03/05/1987DE3531404A1 Process for removing organic constituents from water to be fed to reversed osmosis
03/05/1987DE3530498A1 Process for removing ammonium ions from waste waters
03/04/1987EP0212939A2 Method for controlling mollusks
03/04/1987EP0212688A2 Substituted and crosslinked glucans, process for preparing them and use thereof
03/04/1987EP0212560A2 Process for reducing the affection of ground water by alcohols
03/04/1987EP0212291A2 Submerged rotating heat exchanger-reactor
03/04/1987EP0212178A2 Water flocculating process and plant
03/04/1987EP0212112A2 Reactor for sludge dewatering or effluent treatment
03/04/1987EP0212088A1 Process for the prevention of pollution by cooling lubricants and oil emulsions
03/04/1987EP0139715B1 A method to purify water
03/04/1987CN86105403A Method and device of purification iodateing for drinking water
03/03/1987US4648043 Computerized system for feeding chemicals into water treatment system
03/03/1987US4647589 Inhibition of microbiological growth
03/03/1987US4647383 Apparatus and method for processing sewage scum
03/03/1987US4647382 Acrylamide-acrylamido-2-methyl-1-propanesulfonic acid copolymer
03/03/1987US4647379 Nitrogen-containing water-soluble polymer flocculants
03/03/1987US4647375 Rotation, filters, baskets, regeneration, coagulation, backwashing, conduits
03/03/1987US4647372 Sludge belt apparatus for clarifying liquid charged with solid matter
03/03/1987US4647287 Recovery of sulfur from sulfur froth
03/03/1987CA1218529A1 Method of selective separation and concentration of gallium and/or indium from solutions containing low levels of them and high levels of other metal ions
02/1987
02/26/1987WO1987001108A1 Water-softening system and process for operating latter
02/26/1987DE3624795A1 Vinyl addition polymers, and the use thereof
02/26/1987DE3529760A1 Sand trap for separating off sinking materials from waste water
02/25/1987EP0211685A2 Ejector, paticularly for the neutralization of aqueous alkaline solutions by carbon dioxide
02/25/1987EP0211534A2 Insoluble composition for removing mercury from a liquid medium
02/25/1987EP0211530A2 Effluent treatment
02/25/1987EP0211527A2 Compositions comprising powered activated carbon and their use
02/25/1987EP0211349A2 Method and apparatus of disinfecting substances such as water, and its application
02/25/1987EP0211338A2 Process for making alumina
02/25/1987EP0211305A2 Metal scavenging process
02/25/1987EP0211294A2 Treating agent for liquid media
02/25/1987EP0211015A1 Method and device for eliminating scale and corrosion or for preventing the formation of scale and corrosion
02/25/1987CN86200109U Deoxidation softening matching set for feed water ion exchange method
02/24/1987US4645655 Process for the preparation of zeolite Nu-27 using tetramethylmediamine
02/24/1987US4645607 Process for reduction or oxidation of materials in water solution by passing a gas through a catalyst immersed in solution in the presence of electrically conducting bodies
02/24/1987US4645606 Vigorus aggitation by vortex nozzle and magnetic field; sewage treatment
02/24/1987US4645605 Filtration with biogenetic silica
02/24/1987US4645604 Desalination
02/24/1987US4645601 Reduction of mineral quantity in potable water or water for ice, beverages; disposable
02/24/1987US4645598 Working non-metallic parts; sewage treatment system
02/24/1987US4645595 Water softening system particularly for individual appliances
02/24/1987US4645594 Converter for biodegradable material
02/24/1987US4645592 Microorganism wastewater treatment; sequencing batch reactors
02/24/1987CA1218475A1 Treatment and prevention of fouled water treatment solids
02/24/1987CA1218280A1 Destabilization of sludge with hydrolyzed cassava starch flocculants
02/24/1987CA1218279A1 Destabilization of sludge with hydrolyzed dasheen starch flocculants
02/24/1987CA1218278A1 Destabilization of sludge with hydrolyzed yam starch flocculants
02/19/1987DE3625337A1 Water softening unit
02/19/1987DE3622755A1 Process and pressure vessel for contact water treatment
02/19/1987DE3529584A1 Apparatus for preventing impermissibly high concentrations of sparingly soluble substances such as chlorinated hydrocarbons in waste waters
02/17/1987USRE32356 Controlled release of compounds utilizing a plastic matrix
02/17/1987US4643881 Automatic signal when chemical is exhausted
02/17/1987US4643835 Chlorine solution with bromide salt
02/17/1987US4643832 Entrainment of waste water in gas flow, heating, separation, and compression
02/17/1987US4643831 Water purification method and apparatus
02/17/1987CA1217934A1 Magnetic iron dextran microspheres
02/11/1987CN86104853A Automatic vacuum activator for activated water
02/11/1987CN86102212A Cloth-type evaporator
02/11/1987CN86100990A Method and device for treating waste water containing chromium
02/10/1987US4642192 Method of treating fluids
02/10/1987CA1217746A1 Iodine disinfection dispenser
02/05/1987DE3542329C1 Einrichtung zur Rediffusion von Sauerstoff Means for Rediffusion of oxygen
02/05/1987DE3527589A1 Process for operating industrial plants in which cyanide-containing waste waters are produced
02/04/1987EP0210769A1 Removal of arsenic from acids
02/04/1987EP0210479A2 Process for separating clarified liquid from a biological mass obtained from the biological purification of waste water
02/04/1987EP0210264A1 Installation with a heat absorbing and heat releasing process part as well as with heat supply part containing an absorber installation
02/04/1987CN86104726A Waste treatment method and device
02/03/1987US4640783 Ozone injection method and apparatus
02/03/1987US4640782 Ionization of oxygen into ozone and singlet oxygen
02/03/1987US4640769 Apparatus for photographic film processor pollution control
02/03/1987CA1217582A1 Process and device for maintaining a fine dispersion of gases in liquids