Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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04/18/1995 | CA2028401C Regeneration system for water conditioners such as water softeners |
04/18/1995 | CA1335310C Acid ground water neutralization process on a humic substance containing sediment |
04/15/1995 | CA2120423A1 Solution decontamination method using precipitation techniques |
04/15/1995 | CA2119193A1 Solution decontamination method using precipitation and flocculation techniques |
04/13/1995 | WO1995009854A1 Metal ion binding monomer and polymer |
04/13/1995 | WO1995009818A1 Method of wastewater treatment using a chemical precipitation-microfiltration-nanofiltration hybrid system |
04/13/1995 | WO1995009817A1 Process for making paper and cardboard |
04/13/1995 | WO1995009816A1 Fluid treatment device |
04/13/1995 | WO1995009815A1 Uv apparatus for fluid treatment |
04/13/1995 | WO1995009814A1 Uv apparatus for fluid treatment |
04/13/1995 | DE4440319A1 Process for improving the efficiency of an evaporation process |
04/13/1995 | DE4334317A1 Apparatus for separating liquid streams containing dissociated substances |
04/13/1995 | CA2173473A1 Uv apparatus for fluid treatment |
04/13/1995 | CA2173472A1 Uv apparatus for fluid treatment |
04/13/1995 | CA2169570A1 Process for making paper and cardboard |
04/13/1995 | CA2151047A1 Device for treatment of a fluid |
04/12/1995 | EP0647848A2 Method for monitoring organic contamination in water |
04/12/1995 | EP0647597A1 Installation for treating and recycling washing water of a washing machine |
04/12/1995 | EP0647595A1 Thin film electrocoagulation for removal of contaminants from liquid media |
04/12/1995 | EP0647594A2 Electrostatic water sterilizer |
04/12/1995 | EP0647210A1 Scavenging of hydrogen sulphide |
04/12/1995 | EP0647209A1 Process for the removal of phosphorous |
04/12/1995 | EP0647208A1 Process and apparatus for the production, particularly domestic production, of beverages |
04/12/1995 | EP0647160A1 Ion exchange resin |
04/12/1995 | EP0632873A4 Water conserving wastewater disposal system. |
04/12/1995 | EP0586611A4 Process for removing silica from aqueous liquors. |
04/12/1995 | CN2194354Y Water purifying machine |
04/12/1995 | CN2194353Y Maifan stone mineralizing magnetizing device for water |
04/12/1995 | CN1101329A Method for treating heavy metal containing waste water by utilization of acorn |
04/12/1995 | CN1101263A Iodine content mineral water |
04/11/1995 | US5405554 Water in oil emulsion containing cationic polymers |
04/11/1995 | US5405541 Water treatment process |
04/11/1995 | US5405540 Chlorination and dechlorination method |
04/11/1995 | US5405536 By heating |
04/11/1995 | US5405532 Neutralization and biological purification; aftertreatment by nanofiltration and oxidation |
04/11/1995 | US5405531 Method for reducing the amount of and preventing the formation of hydrogen sulfide in an aqueous system |
04/11/1995 | US5405530 Separator for separating floating and sinking matter from waste water contaminated with said matter |
04/11/1995 | US5405526 Bottle water disinfectant system |
04/11/1995 | US5405509 Remediation of a bulk source by electropotential ion transport using a host receptor matrix |
04/11/1995 | US5405508 Method for regenerating tetraalkylammonium hydroxide |
04/11/1995 | US5405503 Process for desalinating water while producing power |
04/11/1995 | US5405497 Gas is introduced through a porous surface of revolution producing bubbles |
04/11/1995 | CA1335153C Activating material composed mainly of animal bone, flocculating agent composed mainly of the material and processes for preparation thereof |
04/06/1995 | WO1995009293A1 Use of steam condensate to dilute brine stream additives |
04/06/1995 | WO1995009292A1 Use of added water to achieve 100 % injection weight in geothermal operations |
04/06/1995 | WO1995009283A1 Control of iron deposition in borehole pumps |
04/06/1995 | WO1995009129A1 Bottle water disinfection system |
04/06/1995 | WO1995009038A1 Method and device for slow filtration of raw water |
04/06/1995 | WO1995009037A1 Fluid filter assembly for vehicles |
04/06/1995 | DE4333579A1 Process for controlling amounts of chemical auxiliaries and flocculating agents in dependence on an on-line mass/solid measurement for clarification and dewatering processes of all types, and plant for carrying out the process |
04/06/1995 | DE4333255A1 Process for soil remediation suitable for in-situ applications |
04/06/1995 | DE4331507A1 Process for removing urea from aqueous solution |
04/05/1995 | EP0646934A1 A method of treating water containing radioactive constituents |
04/05/1995 | EP0646549A1 Process for treating industrial wastewater with flocculants constituted by nitrates or basic nitrates of trivalent metals |
04/05/1995 | EP0646548A2 Magnetic circuit and a magnetization processing apparatus |
04/05/1995 | EP0646547A2 Process for treatment of biogenic residual solid matter |
04/05/1995 | EP0646400A1 Dissolved oxygen reducing apparatus |
04/05/1995 | EP0646279A1 Capacitive discharge control circuit for use with electrolytic fluid treatment systems |
04/05/1995 | EP0646278A1 Fluid treatment system employing electrically reconfigurable electrode arrangement |
04/05/1995 | EP0646051A1 Treatment of waste materials for disposal |
04/05/1995 | EP0646041A1 Integrated reverse osmosis and storage system |
04/05/1995 | EP0627950A4 Water reclamation system and method. |
04/05/1995 | CN2193877Y Water-softening equipment for boilers |
04/05/1995 | CN2193702Y Domestic apparatus for making distilled water |
04/05/1995 | CN2193700Y Electric-heating kettle |
04/05/1995 | CN1101014A Mineralizing and filtering agent for drink water |
04/05/1995 | CN1101013A Sea-water desalting device by using Lorentz effect |
04/05/1995 | CN1101012A Device for preparation of magnetized distilled water |
04/05/1995 | CN1101011A Production method for polymerization iron sulfate water-purifying agent |
04/04/1995 | US5403564 Apparatus for heating and thermal decontaminating a pumpable or pourable material |
04/04/1995 | US5403495 Contacting solution containing calcium or magnesium fluoride with calcium or magnesium ions, contacting resulting solution with waste water containing fluoride ions to precipitate further calcium or magnesium fluoride, separating, recycling |
04/04/1995 | US5403492 Removing colloidal silica from water stream by passing through a particle bed containing dry anionic polymer or mixtures with cationic polymer |
04/04/1995 | US5403490 Concentration by passing a portion of solvent to semipermeable membrane and in which solute can be converted to precipitate form by increasing concentration of solute in solution; water treatment of rinsing solution of electroplating tanks |
04/04/1995 | US5403489 Preventing pore-plugging; analyzing pesticdies, pollutants in rivers, waste water |
04/04/1995 | US5403480 Porous filter for liquid purification, and liquid purifying filter assembly and liquid purification plant employing the same |
04/04/1995 | US5403478 Oil-based fluid absorbent article |
04/04/1995 | US5403476 Arrangement for removing impurities from ground water |
04/04/1995 | US5403473 Apparatus for mixing gases and liquids and separating solids using a vortex |
04/04/1995 | US5403472 Sensor to detect presence or absence of designated quantity of bromine in stream |
04/04/1995 | US5403450 Method of water purification |
04/04/1995 | US5402813 In-line chlorinator for condensation line |
04/02/1995 | CA2107512A1 Method of treating water containing radioactive constituents |
03/30/1995 | WO1995008511A1 Aldehyde treatment system |
03/30/1995 | WO1995008510A1 Method and apparatus for treating fluid with radio frequency signals |
03/30/1995 | WO1995004397A3 Magnetic fluid treatment device |
03/30/1995 | DE4332970A1 Process for purifying waste water and/or ground water |
03/30/1995 | CA2171730A1 Aldehyde treatment system |
03/30/1995 | CA2131335A1 Method of improving the contaminant resistance of a smectite clay by rewetting and impregnating the clay with a water-soluble polymer, and redrying the polymer-impregnated clay |
03/29/1995 | EP0645347A1 Process and apparatus for biological treatment of aqueous organic wastes |
03/29/1995 | EP0645346A1 Activated carbon bodies having phenolic resin binder |
03/29/1995 | EP0645181A2 Method of improving the contaminant resistance of a smectite clay |
03/29/1995 | EP0645141A1 Treating water for dermatoses in domestic animals |
03/29/1995 | EP0645082A1 Agent for doping aqueous systems with acrolein |
03/29/1995 | EP0644856A1 Method for aiding microbial degradation of spilled oil |
03/29/1995 | EP0591299B1 Process and device for sludge dewatering |
03/29/1995 | CN2193511Y Magnetized water heater |
03/29/1995 | CN2193358Y High efficiency scale-proof and removing device |
03/29/1995 | CN2193120Y Electronic cold beverage thermal insulating bottle |
03/29/1995 | CN2193119Y Thermal insulation utensil of simulating natural magnetic field |
03/29/1995 | CN1100702A Method and apparatus for purifying waste water |