| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 06/22/1994 | CN1088182A Process for recovering thiocyanate |
| 06/22/1994 | CN1025114C Method for purifying kelp immersion water |
| 06/22/1994 | CA2111884A1 Device for preparation and supply of water of hexagonal molecular structure |
| 06/21/1994 | US5322625 Filter element for a gravity-flow water filter |
| 06/21/1994 | US5322623 Local reclamation system |
| 06/21/1994 | US5322600 Method and apparatus for removal of selenium from solution |
| 06/21/1994 | US5322569 Ultraviolet marine anti-biofouling systems |
| 06/21/1994 | CA1330372C Combined membrane and sorption process for selective ion removal |
| 06/21/1994 | CA1330337C Solvent composition and process employing same |
| 06/21/1994 | CA1330319C Method and apparatus for treating liquids, in particular water in swimming pools |
| 06/21/1994 | CA1330312C Quick change filter cartridge and head therefor |
| 06/19/1994 | WO1994014531A1 Transportable electron beam system and method |
| 06/19/1994 | CA2129853A1 Transportable electron beam system and method |
| 06/17/1994 | CA2110757A1 New dispersion polymers for ethylene quench water clarification |
| 06/16/1994 | DE4242273A1 Plug flow microbiological treatment unit for waste water - comprising a number of vertically arranged series connected tubular contactors |
| 06/16/1994 | DE4241756A1 Scale conversion unit for water piping - uses electromagnetic treatment unit to reduce lime crystal adhesion, suitable for pipes of different diameter |
| 06/16/1994 | DE4241559A1 Increasing effectiveness of pptn. of radium@ from mine water - contaminated with uranium@ and fission prods., by addn. of solid contg. barium chloride, improving rate of sedimentation |
| 06/16/1994 | DE4241378A1 Vacuum degassing of top-up or return water in heating system - comprises withdrawing top-up water side stream before feed regulating valve and supplying the water to vacuum pump connected to degasser, etc. |
| 06/15/1994 | EP0601942A1 Membranes for ion transport and method for obtaining them |
| 06/15/1994 | EP0601905A1 Process for the removal of species containing metallic ions from effluents |
| 06/15/1994 | EP0601614A1 Method and device for purifying a fluid flow |
| 06/15/1994 | EP0601284A2 Electrolytic ion water generator |
| 06/15/1994 | EP0601245A1 Delayed, exothermic, alkaline sterilization method for treating wastewater sludges |
| 06/15/1994 | EP0601159A1 Process for ultrafiltration of stabilized emulsions. |
| 06/15/1994 | EP0601023A1 Dewatering slurries |
| 06/15/1994 | EP0600909A1 Desensitization process for energetic compositions with regeneration of reagents |
| 06/15/1994 | EP0600876A1 Desalination plant, especially for use in marine and off-shore installations |
| 06/15/1994 | EP0586468A4 Treatment of emulsions |
| 06/15/1994 | EP0467969B1 Process for removal of organic pollutants from waste water |
| 06/15/1994 | CN2169077Y Electric magnetized water heater |
| 06/15/1994 | CN2168863Y Purifier for softening rural well water and removing iron and manganese |
| 06/15/1994 | CN2168861Y 固液分离器 Solid-liquid separator |
| 06/15/1994 | CN2168860Y Disinfecting and algae killing apparatus for water body |
| 06/15/1994 | CN2168859Y Medium temperature concertrating, purifying and recovering apparatus for waste acid solution |
| 06/15/1994 | CN2168858Y 家用净水设备 Household water purification equipment |
| 06/15/1994 | CN2168857Y Water purifier |
| 06/15/1994 | CN2168520Y Strong magnetizing porcelain thermos bottle |
| 06/15/1994 | CN2168496Y Strong magnetizing cup |
| 06/15/1994 | CN1087880A Method and apparatus for treatment of nitrite in underground drinking water |
| 06/15/1994 | CN1087879A Method for treatment waste water containing hexatomic chronium |
| 06/15/1994 | CN1087878A Method for removing radioactivity and heavy metal from water |
| 06/15/1994 | CN1087877A Electrochemical descaling apparatus |
| 06/15/1994 | CN1087876A Compound regenerator used in hard water softener |
| 06/15/1994 | CN1087875A Purifying and mineralizing material for drinking water |
| 06/15/1994 | CN1087874A Ammonia/water membrane separation and technique for recovery of ammonia |
| 06/15/1994 | CN1087842A Method of regenrating resin beads for use in water purification |
| 06/14/1994 | US5320773 Blending zeolite with swelling bentonite and-or acid-activated bentonite and-or attapulgite clay, treating with liquid biocide, drying and blending with polymer |
| 06/14/1994 | US5320759 Pollution control |
| 06/14/1994 | US5320758 Method of recycling amine saponifiers used in cleaning electronic circuit boards |
| 06/14/1994 | US5320756 Method of treating aqueous alkaline effluents derived from cleaning electronic circuit assemblies |
| 06/14/1994 | US5320755 Reverse osmosis, ultrafiltration, nanofiltration to divide inflow into outflows, pure and polluted; circulation |
| 06/14/1994 | US5320752 Water purification system employing modular flat filter assembly |
| 06/14/1994 | US5320751 Magnet holder assembly |
| 06/14/1994 | US5320750 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 06/14/1994 | US5320749 Apparatus for treatment of fluid media with ultraviolet irradiation |
| 06/14/1994 | US5320748 Acid dispensing system for a swimming pool |
| 06/14/1994 | US5320718 Method for removing oxidizable organic compounds from an aqueous solution |
| 06/14/1994 | CA1330241C Method of and apparatus for controlling ph and electric conductivity of water using ion exchange resin |
| 06/14/1994 | CA1330239C Process for the disinfection of sewage sludge |
| 06/10/1994 | CA2110471A1 Process for the removal of species containing metallic ions from effluents |
| 06/09/1994 | WO1994012619A1 Enhancement of enzyme reactions |
| 06/09/1994 | WO1994012439A1 Methods and apparatus for treating electroless plating baths |
| 06/09/1994 | WO1994012437A1 Plant for removing micropollutants from untreated water, particularly drilling water, by means of a combination of ozone and hydrogen peroxide |
| 06/09/1994 | WO1994012436A1 Methods of catalytic photooxidation |
| 06/09/1994 | DE4241285A1 Methyl-hydroxyalkyl-cellulose ethers prodn. - with recovery of useful soluble short-chain cellulose ethers by ultra- or micro-filtration of the wash water from purification |
| 06/09/1994 | DE4241078A1 System for irrigation of deserts - by using solar energy to generate power to form cold surfaces for water condensation. |
| 06/09/1994 | DE4240428A1 Neutralising exhaust gas condensation - using feed of normal drinking water to condensation collection vessel |
| 06/09/1994 | DE4240405A1 Pulsed electrical treatment appts for tap water - has eddy chamber associated with ac electrodes |
| 06/09/1994 | CA2150564A1 Enhancement of enzyme reactions |
| 06/09/1994 | CA2110856A1 Legionella effective biocide for aqueous based systems |
| 06/08/1994 | EP0600825A1 Membrane separation process, in particular by reverse osmosis or ultrafiltration and apparatus for carrying it out |
| 06/08/1994 | EP0600292A1 Process for producing a stabilised, aqueous solution of alkali metal tetrathiocarbonate and its use |
| 06/08/1994 | EP0600264A1 Process for the manufacture of water-soluble polymers by aminolysis of polyacrylonitrile |
| 06/08/1994 | EP0600159A1 Retarding installation with pneumatic diaphragm pump and lift counter |
| 06/08/1994 | EP0599888A1 Anti-fouling agent for wet surfaces |
| 06/08/1994 | EP0571523A4 Desinfectant for the treatment of water systems |
| 06/08/1994 | EP0365635B1 Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins |
| 06/08/1994 | CN2168015Y Multifunctional domestic automatic water accumulator |
| 06/08/1994 | CN2168014Y Domestic automatic health-care water supply tank |
| 06/08/1994 | CN2167985Y Sinking-floating type quick-coagulating purificating device for treatment of water |
| 06/08/1994 | CN2167984Y Flocculate, precipitate and suspended substance separating tank for treatment of waste water from power plant |
| 06/08/1994 | CN2167983Y Multi-function magnetic-agitating device for activating water |
| 06/08/1994 | CN2167982Y Multi-function magnetic effect enhancing energy-saving device for fluid |
| 06/08/1994 | CN2167981Y Filtering bar for purificating water |
| 06/08/1994 | CN2167980Y Portable water purificator |
| 06/08/1994 | CN2167764Y Distillation apparatus |
| 06/08/1994 | CN2167658Y 磁化保健暖水瓶 Magnetization health Thermoses |
| 06/08/1994 | CN1087607A Combined dephenolizing method of waste water-tar |
| 06/08/1994 | CN1087606A Ion exchange resin antidote for hard-water softener |
| 06/08/1994 | CN1087605A Combined mineral water purifying material |
| 06/08/1994 | CN1024916C Composite flocculant containing polymerized silicic acid and aluminium and its prepn. |
| 06/07/1994 | US5319211 Vapor treatment system |
| 06/07/1994 | US5318708 Local reclamation process |
| 06/07/1994 | US5318703 Water filter module |
| 06/07/1994 | US5318702 Fluid treating apparatus |
| 06/07/1994 | US5318700 Engine and radiator coolant treatment and handling, enabling coolant reuse |
| 06/07/1994 | CA1330049C Process for removing pyrogens |
| 06/05/1994 | CA2105701A1 Ultraviolet disinfection module |
| 06/03/1994 | CA2084327A1 Lime neutralization process for treating acidic waters |
| 06/01/1994 | EP0599816A1 Circulating purification apparatus and pool water prufiying apparatus and pool water purifying system using said apparatus |