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