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