| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
|---|
| 08/21/1993 | CA2078820A1 Process and composition for inhibiting and controlling bacterial growth |
| 08/19/1993 | WO1993016025A1 Method of purifying glycerin water |
| 08/19/1993 | WO1993016006A1 Sewage treatment apparatus |
| 08/19/1993 | WO1993016005A1 Process, machine and plant for extraction by evaporation of the solid residues of a fluid substance |
| 08/19/1993 | WO1993016004A1 Thermal method for cleaning waste water |
| 08/19/1993 | WO1993016001A1 Ozone generator having an electrode formed of a mass of helical windings and associated method |
| 08/19/1993 | WO1993015833A1 Oil-absorbent fiber pellets |
| 08/19/1993 | WO1993015831A1 Sorbent for immobilization of toxic and contaminating substances |
| 08/19/1993 | WO1993015830A1 Uv reactor assembly |
| 08/19/1993 | WO1993015616A1 Method for treatment of potato fruit water |
| 08/19/1993 | DE4204870A1 Disposing of soil or water loaded with arsenic - by passing soln. through anion exchange resin, eluting resin to recover arsenic, sepg. arsenic from eluate and regenerating resin |
| 08/19/1993 | DE4204607A1 Treating effluent or waste water with suspended or immobilised microorganisms - preceded by electrical or mechanical prodn. of oscillations accompanied by cavitation |
| 08/19/1993 | DE4204573A1 Purifying contaminated water - by adsorption on water wettable crosslinked microporous polymer based on styrene]-di:vinyl] benzene copolymer |
| 08/19/1993 | CA2129848A1 Ozone generator having an electrode formed of a mass of helical windings and associated method |
| 08/19/1993 | CA2129672A1 Method for treatment of potato fruit water |
| 08/19/1993 | CA2127252A1 Oil-absorbent fiber pellets |
| 08/19/1993 | CA2061424A1 Uv reactor assembly |
| 08/19/1993 | CA2061392A1 Water disinfection composition using the electrochloration process, and use of this composition |
| 08/18/1993 | EP0556162A1 Apparatus for activating silicic acid in water |
| 08/18/1993 | EP0556118A1 Process for including substances of liquid to solid consistency in (meth)acrylic resins |
| 08/18/1993 | EP0556003A1 Process for removing colored components from solvent for polyacrylonitrile |
| 08/18/1993 | EP0555996A2 Methods and apparatus for treating aqueous indutrial effluent |
| 08/18/1993 | EP0555600A1 An immersible device for the controlled release of swimming pool disinfectant products |
| 08/18/1993 | EP0555598A1 Composition for disinfecting water by means of electrochlorination and use of this composition |
| 08/18/1993 | EP0555426A1 Programmable water treatment controller for progressive flow systems. |
| 08/18/1993 | EP0555210A1 Microbiocidal combinations of materials and their use |
| 08/18/1993 | CN2140374Y Electrolysis ferrite electroplating waste water treatment equipment |
| 08/18/1993 | CN2140368Y Rotating multi-cavity permanent-magnet processor |
| 08/18/1993 | CN2140367Y Exchange tower for fluid bed desalting equipment |
| 08/18/1993 | CN2140182Y Magnetization cup |
| 08/18/1993 | CN2140181Y Magnetization kettle |
| 08/18/1993 | CN1075302A Method for production of high efficiency coagulant from gangue |
| 08/18/1993 | CN1021811C Catalystic oxidation activated carbon method for treatment of waste water containing cyanogen |
| 08/18/1993 | CN1021810C Process for treating sewage from coal-gas by extracting to remove phenol and evapourating ammonia |
| 08/17/1993 | USRE34343 Cationic polymer of dialkylamine and epichlorohydrin |
| 08/17/1993 | US5236722 Composition and method of production of a beverage for human consumption |
| 08/17/1993 | US5236673 Ozonation system for treatment of water in cooling towers |
| 08/17/1993 | US5236602 Exposure to ultraviolet radiation |
| 08/17/1993 | US5236600 Process for controlling bacteria growth in water supply systems |
| 08/17/1993 | US5236599 Complexing aluminum and silicate; detoxification; pollution control; fish |
| 08/17/1993 | US5236598 Methods for removing solids from water-based paint systems |
| 08/17/1993 | US5236597 Sorption of carboxylic acids by means of rubber |
| 08/17/1993 | US5236595 Method and apparatus for filtration with plural ultraviolet treatment stages |
| 08/17/1993 | US5236594 Process for removing toxicants from aqueous petroleum waste streams |
| 08/17/1993 | US5236591 Flocculating with aluminum chlorohydrate and water soluble cationic polymer, extracting with solvent |
| 08/17/1993 | US5236590 Centrifugal separation |
| 08/17/1993 | US5236589 Oil recovery method and apparatus |
| 08/17/1993 | US5236583 High-pressure/vacuum operated apparatus for sewage and mud disposal |
| 08/17/1993 | US5236557 Acidifying, stripping, alkalinzing, stripping again |
| 08/17/1993 | US5235905 High pulsed voltage systems for extending the shelf life of pumpable food products |
| 08/17/1993 | CA1321429C Process for the removal of cyanide and other impurities from solution |
| 08/17/1993 | CA1321358C Treatment of water |
| 08/15/1993 | CA2089408A1 Apparatus for activating silicic acid in water |
| 08/12/1993 | DE4204059A1 Appts. for in-situ cleaning of ground-water in a borehole - has rotating hollow shaft extending below water surface in sealed liner pipe and fitted with aeration nozzles and propeller element |
| 08/12/1993 | DE4203157A1 Verfahren zum reinigen von glycerinwasser A method for purifying water-glycerol |
| 08/11/1993 | EP0554562A1 Process for the preparation of basic aluminium chloride solutions |
| 08/11/1993 | EP0554285A1 Process for recovering raw materials from paper-industry mechanical waste sludges. |
| 08/11/1993 | EP0437502B1 Process for treating water by synergy of reactivation with cavitation |
| 08/11/1993 | CN2139936Y Treatment machine for waste water contain chromium |
| 08/11/1993 | CN2139935Y Magnetic water apparatus for kettle |
| 08/11/1993 | CN2139934Y Programme controlled float bed sodium ion exchanger |
| 08/11/1993 | CN2139800Y Pocket. magnetic. sanitation supplementary cooking utensils |
| 08/10/1993 | US5234958 Method and composition for controlling the growth of microorganisms |
| 08/10/1993 | US5234607 Wet oxidation system startup process |
| 08/10/1993 | US5234606 Method and system for recovering wastewater |
| 08/10/1993 | US5234604 Using block copolymers of acrylic esters,amides and cationic monomers of the same |
| 08/10/1993 | US5234603 Methods employing a zirconium salt for use in wastewater treatment |
| 08/10/1993 | US5234601 Apparatus and method for controlling regeneration of a water treatment system |
| 08/10/1993 | US5234588 Device for cleaning swimming pool |
| 08/10/1993 | US5234584 Reactor with heater and catalyst bed for supported noble metal crystallites, for water purification |
| 08/10/1993 | US5234583 Semi-permeable membrane filtering systems for swimming pools |
| 08/10/1993 | US5234563 Electrolytic ionized water producer of a continuous type |
| 08/10/1993 | US5234555 Method and apparatus for ionizing fluids utilizing a capacitive effect |
| 08/10/1993 | US5234545 Process for regenerating wastepaper in the presence of hydroxysulfonate salts |
| 08/10/1993 | US5234543 Deinking method using ink agglomeration |
| 08/10/1993 | US5234468 Heating and shearing amorphous dewatered sewage sludge in absence of air, burning resulting slurry |
| 08/10/1993 | US5234466 Forms less corrosive solution than sulfamic acid |
| 08/10/1993 | CA1321210C Method for converting substances |
| 08/05/1993 | WO1993015398A1 Method of identifying chemicals by use of non-radioactive isotopes |
| 08/05/1993 | WO1993015023A1 Biological and chemical single step purification of discharged water |
| 08/05/1993 | WO1993015022A1 Apparatus for generating electrolytic water |
| 08/05/1993 | WO1993015021A1 Dissolved air flotation |
| 08/05/1993 | WO1993015020A1 Device for cleansing and vitalizing water |
| 08/05/1993 | WO1993014852A1 Water soluble polymers |
| 08/05/1993 | WO1993014633A1 Low bromine vapor pressure compositions of organic ammonium perhalides and a solvent |
| 08/05/1993 | WO1993013018A3 Particulate material suitable for the removal of heavy metals |
| 08/05/1993 | DE4302160A1 Softening water used in e.g. dishwashing machine - with controlled magnetic field at water flow directly before ion exchange unit |
| 08/05/1993 | DE4300353A1 Reclamation of contaminated soil - by injecting oxygen@, microorganisms and/or nutrients into sealed area |
| 08/05/1993 | DE4203293A1 Recirculating swimming pool water treatment - uses trickle gassing in an ozone reactor connected to an ozone generator |
| 08/05/1993 | DE4202939A1 Device for removing floating sludge from circular flotation tanks - in which rotating spiral vanes extend from tank centre to walls and convey sludge over tank rim into collection channel |
| 08/05/1993 | DE4202929A1 Developer neutralisation of condensate from exhaust gases - has 1st container with overflow outlet, enclosing 2nd perforated container filled with granular neutralising agent |
| 08/05/1993 | DE4202814A1 Ground water cleaner - has injector tube within the well tube below pressurised stripping gas |
| 08/05/1993 | DE4202809A1 Vorrichtung zur reinigung und vitalisierung von waessern Apparatus for cleaning and revitalization of waters |
| 08/04/1993 | EP0553684A1 Recovery apparatus for excess of water-based paint |
| 08/04/1993 | EP0553398A1 Electrochemical cell with degassing device |
| 08/04/1993 | EP0553377A1 Energy-efficient electromagnetic elimination of noxious biological organisms |
| 08/04/1993 | EP0553290A1 Chemical feed apparatus |
| 08/04/1993 | EP0553149A1 Apparatus and method for hydrolysis of cyanide-containing liquids. |
| 08/04/1993 | EP0546089A4 Contact lens purification system |
| 08/04/1993 | EP0534985A4 Water purification system with filter cleaning mechanism |