| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/27/1994 | EP0594334A1 Method of regenerating resin beads for use in water purification |
| 04/27/1994 | EP0593771A1 Method of recovering volatile acids |
| 04/27/1994 | EP0593687A1 Process and device for the desalination of sea water using a plate type heat exchanger. |
| 04/27/1994 | EP0593683A1 Monitor for growth and deposit. |
| 04/27/1994 | EP0593465A1 Plant for sea water desalinizing using solar energy preferably accompanied by electric power generation. |
| 04/27/1994 | EP0523081B1 Process and installation for purifying waste water |
| 04/27/1994 | EP0460203B1 Method for recovering metals from waste liquors |
| 04/27/1994 | CN2163190Y Storage water tank |
| 04/27/1994 | CN2163171Y Water magnetizing device |
| 04/27/1994 | CN2163170Y Throttling magnetizer |
| 04/27/1994 | CN2163169Y Electronic magnetizer for drink water |
| 04/27/1994 | CN2163168Y Double-row oil scraper |
| 04/27/1994 | CN2163167Y 连续砂滤器 Continuous sand filter |
| 04/27/1994 | CN2163166Y Multifunction water treatment unit |
| 04/27/1994 | CN2162996Y Cylinder rotary filtering unit |
| 04/27/1994 | CN2162882Y Health-care magnetized kettle |
| 04/27/1994 | CN2162879Y Health-care kettle with scale removing and quick boiling function |
| 04/27/1994 | CN2162868Y Multifunction cup |
| 04/27/1994 | CN2162867Y Magnetized filtering thermal cup |
| 04/27/1994 | CN1085925A Ink composition and method of making, using and recovering such composition |
| 04/27/1994 | CN1085877A A method for improving bottom and water quality in water areas and a set of agents used in the method |
| 04/27/1994 | CN1085806A Deodorising agent for paper mill effluents based on undecylenic acid ester |
| 04/26/1994 | US5307106 Waste solution discharging apparatus for waterless lithographic printing plates |
| 04/26/1994 | US5306887 Method of accelerating the heating of aqueous fluids |
| 04/26/1994 | US5306511 Alkaline additive for drinking water |
| 04/26/1994 | US5306432 Synergistic combination of water-soluble quaternary ammonium compound and water-soluble oxidizing agent |
| 04/26/1994 | US5306431 Treatment with hydrogen peroxide in acidic pH range; measurement of redox potential |
| 04/26/1994 | US5306425 Wastewater treatment mechanism |
| 04/26/1994 | US5306422 Compact clarifier system for municipal waste water treatment |
| 04/26/1994 | US5306409 Controlling apparatus for continuous electrolytic ion water producing apparatus |
| 04/26/1994 | US5306400 Method for the combined removal and destruction of nitrate ions |
| 04/26/1994 | US5306397 Process and apparatus for the extraction of fresh water from warm seawater |
| 04/26/1994 | CA1328934C Inhibiting corrosion in aqueous heat transfer apparatus |
| 04/26/1994 | CA1328933C Process for treating various refuse materials, particularly smoke, garbage and sewage |
| 04/21/1994 | DE4234763A1 Harmful organic materials removal e.g. hydrocarbon(s), penta:chloro:phenol(s) and dioxin(s) - by adding surfactant and extn. agent to the screened soil and removing liq. components from contaminated soil paste-type mixt., for esp. road surfacing and filler for concrete or bitumen-contg. materials |
| 04/20/1994 | EP0593352A1 Method of decontaminating soils polluted by heavy metals |
| 04/20/1994 | EP0593250A1 Synergistic antimicrobial combination of polyether phosphonates and non-oxidizing biocides |
| 04/20/1994 | EP0593213A1 An improved instrumentation and control scheme for implementing a boron isotopic enrichment process |
| 04/20/1994 | EP0592727A1 Process for treating a surface of an article |
| 04/20/1994 | CN2162572Y Easy assemble magnetic water nozzle |
| 04/20/1994 | CN2162460Y Soften water equipment for boiler |
| 04/20/1994 | CN2162459Y Tee magnetic electromechanical magnetic changer |
| 04/20/1994 | CN2162458Y High-frequency waste water treatment equipment with self-cleaning scale float ball |
| 04/20/1994 | CN2162457Y Single current auto-control device for watering of distilled water apparatus |
| 04/20/1994 | CN2162456Y Water treater for balance acid and soda active |
| 04/20/1994 | CN2162290Y Automatic sodium ion exchanger with plane multifunction integrated valve |
| 04/20/1994 | CN2162189Y Water clarifier |
| 04/20/1994 | CN2162171Y Strong magnetic drinking utensil |
| 04/20/1994 | CN1085522A Processing method for preparing hydrogen with solar energy from bioplasm and water and its equipment |
| 04/20/1994 | CN1085471A Treatment of waste materials for disposal |
| 04/20/1994 | CA2108751A1 Flow control system |
| 04/19/1994 | US5304311 Absorption by an ethylene-alpha-olefin copolymer |
| 04/19/1994 | US5304309 Cyclic process for selective coagulant recovery from clarifier sludge |
| 04/19/1994 | US5304302 Apparatus for treating a liquid with alternating magnetic and electric fields |
| 04/19/1994 | US5304289 Providing high frequency sawtooth alternating current voltage through a first and second electrode in the water in response to high frequency signals from oscillator |
| 04/19/1994 | US5304286 Water supply system |
| 04/19/1994 | CA1328652C Article and process for absorbing polluting products |
| 04/19/1994 | CA1328628C Filter cover for a purification insert in a water treatment device with a hollow tube |
| 04/19/1994 | CA1328594C Basic aluminium chlorosulphate, process for its fabrication and its use as a flocculating agent |
| 04/17/1994 | CA2108232A1 Purifying and energy-saving water fountain capable of supplying icy, warm and hot distilled water |
| 04/14/1994 | WO1994008343A1 Method of disposing of an organic substance |
| 04/14/1994 | WO1994007802A1 Odour controlled waste water treatment system |
| 04/14/1994 | WO1994007800A1 Separation of heavy metals from aqueous media |
| 04/14/1994 | WO1994007799A1 Method and device for treating water |
| 04/14/1994 | WO1994007790A1 Preventing contaminant build-up in beer lines |
| 04/14/1994 | WO1994007602A1 Method for controlling the regeneration of a water treatment system |
| 04/14/1994 | DE4332045A1 Exhaust gas washing water processing appts - includes container within a second container for evapn to separate contained salts and other residue. |
| 04/14/1994 | DE4233877A1 Static dissolver for tabletted treatment materials - particular water treatment chemicals operating at point of use |
| 04/14/1994 | DE4233873A1 Manure and sewage processing - by storing matter for set period before heating in a reaction container followed by sepg. into fluid and solid matter |
| 04/14/1994 | DE4233719A1 Sepn. of dissolved solids from liquid solns. e.g. for water purification - with addition of liquid, pref. ethanol@ to solids enriched liquid phase to effect precipitation |
| 04/14/1994 | DE4233718A1 Separation of dissolved matter in waste process water and sewage - using membrane separation in reverse osmosis action with precipitation of solids from the fluid phase |
| 04/13/1994 | EP0592372A2 Transportable reverse osmosis water purification unit |
| 04/13/1994 | EP0592370A1 Process for conditioning ion-exchange resins |
| 04/13/1994 | EP0592118A1 Method of controlling corrosion and biological matter in copper and copper alloy cooling water systems |
| 04/13/1994 | EP0591893A1 Method for charging water and spaces with cosmic energy |
| 04/13/1994 | EP0591299A1 Process and device for sludge dewatering. |
| 04/13/1994 | CN2161867Y Automatic electric heating magnetic water bottle |
| 04/13/1994 | CN2161644Y Health-care self-control water storge tank |
| 04/13/1994 | CN2161612Y Flat hexagon pipe chute precipitating equipment |
| 04/13/1994 | CN2161611Y Magnetic device for water bottle |
| 04/13/1994 | CN2161610Y Plate type fluid magnetic device |
| 04/13/1994 | CN2161609Y Pocket magnetizing mineralizing pen for drinking water |
| 04/13/1994 | CN2161608Y Combined fluorine-removing device |
| 04/13/1994 | CN2161607Y Industrial waste water processing device by use of evaporating and concertrating |
| 04/13/1994 | CN2161606Y Water purifier |
| 04/13/1994 | CN2161605Y Drinking device |
| 04/13/1994 | CN2161604Y Mineralizing magnetizing purifying health-care kettle |
| 04/13/1994 | CN2161225Y Magnetized anti-scale floating ball |
| 04/13/1994 | CN2161204Y Magnetic ice cup |
| 04/13/1994 | CN2161196Y Strong magnetic cup |
| 04/13/1994 | CN2161195Y Mineral cup for daily use |
| 04/13/1994 | CN1085192A Preparation and use of high-efficiency compound water purifying agent |
| 04/13/1994 | CN1085191A Process for preparing deuterium-free water |
| 04/13/1994 | CN1085190A Method for producing solution of ferrous chloride and use thereof |
| 04/13/1994 | CN1085066A Gyromagnetic cup for magnetizing water |
| 04/12/1994 | US5302570 Environmental product capable of absorbing oil from the surface of water, and process |
| 04/12/1994 | US5302356 Containing photoactive catalyst |
| 04/12/1994 | US5302298 Wet oxidation with ozone-containing gas and ultraviolet radiation |
| 04/12/1994 | US5302297 Adding carboxylic chelating agent to interfere with antiscaling agent and to precipitate inorganic salt which can then be separated |
| 04/12/1994 | US5302296 Water clarification using compositions containing a water clarifier component and a floc modifier component |