| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 04/19/2001 | WO2001026833A1 Process and apparatus for recovering heavy metals from contaminated materials |
| 04/19/2001 | WO2001026771A1 Separation of silt and water |
| 04/19/2001 | WO2001026768A2 Electrostatic enhancement for membrane-separation systems |
| 04/19/2001 | WO2000061497A3 Device for removal of microorganism in water system |
| 04/19/2001 | WO2000034183A9 Portable water purification device |
| 04/19/2001 | DE19947693A1 Sterilisation of drinking water for production of mineral water and/or ice cubes or of bar equipment is effected by dosing with long-life aqueous oxidative disinfectant. |
| 04/19/2001 | DE19946274A1 Elektrodenlose Entladungslampe An electrodeless discharge lamp |
| 04/19/2001 | CA2387140A1 Method for minimising the new water use in the water circulation system of a treatment plant |
| 04/18/2001 | EP1092977A1 Ion chromatography apparatus and method for removing gas prior to sample detection |
| 04/18/2001 | EP1092684A2 Method and apparatus for the treatment of wiping solution |
| 04/18/2001 | EP1092682A1 Device for filtering and ultraviolet disinfection of water |
| 04/18/2001 | EP1092475A2 Waste water treatment apparatus |
| 04/18/2001 | EP1092471A1 Additive for liquid filtration and its use for microbial decontamination |
| 04/18/2001 | EP1091910A1 Hydrogen sulfide removal methods and apparatus |
| 04/18/2001 | EP1091909A1 Method for absorbing heavy metals |
| 04/18/2001 | EP1091907A2 Molecular sieve cit-6 |
| 04/18/2001 | EP1091887A1 Packaged prodcut and device with dispensing means |
| 04/18/2001 | EP1091715A2 Absorbent article comprising a liquid handling member that rapidly distributes acquired liquid |
| 04/18/2001 | EP1091714A2 Device for handling body liquids which transports body liquid by siphoning |
| 04/18/2001 | EP1091713A2 Absorbent article instantaneously storing liquid in a predefined pattern |
| 04/18/2001 | EP1091712A1 Liquid transport member having high permeability bulk regions and high threshold pressure port regions |
| 04/18/2001 | EP1091711A1 Liquid transport member for high flux rates against gravity |
| 04/18/2001 | EP1091640A1 Liquid transfer device, and use of the device for irrigation |
| 04/18/2001 | EP1056685A4 Electrolytic cell with porous membranes to concentrate anions |
| 04/18/2001 | EP0906359B1 Spray-drying oil recovery process |
| 04/18/2001 | CN2426873Y Ozone and active carbon united water purifier capable of cleaning and automatic filling water |
| 04/18/2001 | CN2426872Y Water purifying device capable of reverse cleaning |
| 04/18/2001 | CN1292053A Method for treating process water |
| 04/18/2001 | CN1291607A Method of recovering and cyclically utilizing methanesulfonic acid and phosphorus acid |
| 04/18/2001 | CN1291592A Flocculant for clarifying sewage and its preparing process and application |
| 04/18/2001 | CN1291591A Treating agent for sewage in printing and dyeing industry and its preparing process |
| 04/18/2001 | CN1291590A Magnetization device of water |
| 04/18/2001 | CN1291589A Electrolytic reduction water and anti-cancer medicine and preparation method and equipment thereof |
| 04/18/2001 | CN1291435A Sterile disinfectant containing silver ions and its usage and preparing process |
| 04/18/2001 | CN1064648C Refined diatomite treating agent and method for treating sewage using same |
| 04/18/2001 | CN1064645C Method and treatment of mixed gas containing ozone and equipment thereof |
| 04/17/2001 | US6218491 Pendant amine group is an amine-sulfide moiety present |
| 04/17/2001 | US6217892 Water treatment composition |
| 04/17/2001 | US6217834 Ultraviolet radiation lamp and source module and treatment system containing same |
| 04/17/2001 | US6217780 Biocidal compositions for treating water |
| 04/17/2001 | US6217779 Contacting a mixed metal composition prepared by contacting a soluble metal halide salt complex with an anchor metal such as iron to deposit the metal on iron with a halogenated hydrocarbon contaminated aqueous composition to dehalogenate |
| 04/17/2001 | US6217778 Of industrial waste water, using a copolymer of (meth)acrylic acid and acrylamide, formed by free radical polymerization in the presence of a copolymer of an acrylic acid and 2-acrylamido-2-methyl-1-propanesulfonic acid |
| 04/17/2001 | US6217777 Using an assembly of spaced elements defining passages for the flow of water through said elements where water is imparted a downward flow though elements to be discharged at the bottom; water treatment |
| 04/17/2001 | US6217775 Treatment of metal-contaminated leachates utilizing fish bones and fish hard parts |
| 04/17/2001 | US6217773 Treatment of water |
| 04/17/2001 | US6217770 Using a membrane provided within a housing having inlet ports for collecting concentrated and product water, and including a concentration chamber and a venturi for injecting gas in the chamber and producing a return stream |
| 04/17/2001 | US6217767 Vacuum between the area above the ground-and/or waste-water and a purging gas introduced therein to the upward flow of bubbles of purging gas through the water requiring stripping or volatilization to remove hydrocarbon contaminants |
| 04/17/2001 | US6217765 Waste water treatment method and waste water treatment equipment capable of treating fluorine waste water containing organic matter, phosphor and hydrogen peroxide |
| 04/17/2001 | US6217759 Installation for biochemical sewage treatment |
| 04/17/2001 | US6217754 Swimming pool filter |
| 04/17/2001 | US6217753 Apparatus for regulating flow of water into water purifier responsive to downstream pressure sensor |
| 04/17/2001 | US6217743 Process for recovering organic hydroxides from waste solutions |
| 04/17/2001 | US6217741 Introducing raw water containing hydrochloric acid to electrolytic cell having no diaphragm between cathode and anode, applying electrical power to electrodes, recovering electrolytically treated liquid for bactericide |
| 04/17/2001 | US6217728 Electrolysis cell |
| 04/17/2001 | CA2211184C Method and apparatus for delivering electromagnetic energy into a solution |
| 04/17/2001 | CA2170096C A process for treating liquids |
| 04/17/2001 | CA2146849C Compact water filtration and purification pump |
| 04/13/2001 | CA2285808A1 Method and apparatus for recycling gray water |
| 04/12/2001 | WO2001025626A1 Hydro-power generation for a water treatment system |
| 04/12/2001 | WO2001025156A1 Cationic polymers for sludge dewatering |
| 04/12/2001 | WO2001025155A1 Method for removing organic substances from water and/or aqueous systems |
| 04/12/2001 | WO2001025154A1 Fluid treatment device and method for treatment of fluid |
| 04/12/2001 | WO2001025153A1 Optical radiation sensor system with cleaning device |
| 04/12/2001 | WO2001025152A1 Device and method for removing deposits and incrustations in water installations |
| 04/12/2001 | WO2001024952A1 Method and device for sanitizing contaminated ground water |
| 04/12/2001 | WO2001024927A1 Composite member for deodorization or waste water treatment |
| 04/12/2001 | WO2001024604A1 Closed and energetically integrated process (cei process for the treatment of animal wastes (purines) |
| 04/12/2001 | WO2000048943A8 Reverse osmosis system with biological contamination prevention |
| 04/12/2001 | DE19949434A1 Fuzzy logic controlled ultra-violet and hydrogen peroxide waste water treatment process |
| 04/12/2001 | DE19948405A1 Vorrichtung und Verfahren zur Ablösung von Belägen und Inkrustationen in Wasseranlagen Apparatus and method for separation of deposits and incrustations in water systems |
| 04/12/2001 | DE19947822A1 Verfahren und Vorrichtung zur Abgabe von carbonisiertem Trinkwasser über einen Wasserhahn Method and apparatus for dispensing carbonated drinking water from a faucet |
| 04/12/2001 | DE19947820A1 Vorrichtung zur Abgabe von carbonisiertem Trinkwasser über einen Wasserhahn Apparatus for dispensing carbonated drinking water from a faucet |
| 04/12/2001 | DE19933758A1 Oil blocking chain construction for cleaning up oil spills on water has a molded structure that floats and limits the spread of the oil |
| 04/12/2001 | DE10049545A1 Removal of foul-smelling gases by combined catalytic absorption and oxidation using a catalyst containing an alkali(ne earth) or transition metal |
| 04/12/2001 | DE10022502A1 Biological adjustment of a neutral to basic pH liquid or solid, particularly waste water, involves decomposition using an organic acid by adding oxygen to immobilize metal ions |
| 04/12/2001 | CA2386223A1 Fluid treatment device and method for treatment of fluid |
| 04/11/2001 | EP1091051A1 Method and device for delivering carbonated drinking water from a fancet |
| 04/11/2001 | EP1091050A1 Method and device for delivering carbonated drinking water through a fancet |
| 04/11/2001 | EP1090886A2 A method of treating sludge and a method of treating organic waste water comprising the same |
| 04/11/2001 | EP1090885A1 Process for demineralizing water, particularly by electrodeionization |
| 04/11/2001 | EP1090880A1 Electrolytic ozone generating method, system and ozone water producing system |
| 04/11/2001 | EP1090681A1 Crystallisation reactor |
| 04/11/2001 | EP1090668A1 Chelate-forming filter, process for producing the same, and method of purifying liquid with the filter |
| 04/11/2001 | EP1090664A1 Discharge of floating sludge |
| 04/11/2001 | EP1090151A1 Process for separation of heavy metals from residues by use of of ethylenediamine-disuccinic acid (edds) complexant |
| 04/11/2001 | EP1090089A1 Fire retardant intumescent coating for lignocellulosic materials |
| 04/11/2001 | EP1089943A1 Filter cartridge assembly |
| 04/11/2001 | EP1089942A1 Method for treatment of aqueous streams comprising biosolids |
| 04/11/2001 | EP1089941A2 Electrochemical treatment of water and aqueous salt solutions |
| 04/11/2001 | EP1089872A1 Multi-action particle for structuring biological media |
| 04/11/2001 | EP1089801A1 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 04/11/2001 | EP1089797A1 Dextran starch and flocculant combination for improving red mud clarification |
| 04/11/2001 | EP1089698A1 Method and apparatus for treating objects with ozone |
| 04/11/2001 | EP1089696A2 Absorbent article exhibiting high sustained acquisition rates |
| 04/11/2001 | EP0946237B1 System for draining a liquid storage tank |
| 04/11/2001 | CN2426477Y Coagulant filler |
| 04/11/2001 | CN2426476Y Field drinking water device |
| 04/11/2001 | CN2426475Y Device for producing water for sterilizing |
| 04/11/2001 | CN2426474Y Device for cleaning water for boiler |
| 04/11/2001 | CN2426473Y Polyhedron rolling electric desalting device |