| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 01/10/2002 | DE10030984A1 Purification of waste water to produce drinking water comprises aerobic microbiological treatment, removing material which has not been broken down, followed by biological post-treatment and filtering |
| 01/10/2002 | DE10030210A1 Production of material for purifying liquids, especially water containing heavy metals, especially chromates, comprises mixing combustion residues, hydraulic binder and inert additives |
| 01/10/2002 | DE10028991A1 Arrangement for producing dielectrically hindered discharges in purifying and disinfecting drinking water and effluent comprises control device divided into low voltage pulse producing part and power part having bridge switch |
| 01/10/2002 | CA2414323A1 Carboxylate-containing photocatalytic body, manufacture and use thereof |
| 01/09/2002 | EP1170585A1 Water-based water treatment method |
| 01/09/2002 | EP1170425A1 Waste water collection arrangement |
| 01/09/2002 | EP1170260A1 Process and apparatus for the treatment of organic laden wastewaters |
| 01/09/2002 | EP1170259A1 Electrochemical apparatus and process for purification of fluids |
| 01/09/2002 | EP1170053A1 Running method and treatment system for spiral wound membrane element and spiral wound membrane module |
| 01/09/2002 | EP1170052A1 System for withdrawing permeate from a multicomponent liquid substrate |
| 01/09/2002 | EP1170051A2 Liquid filtering apparatus |
| 01/09/2002 | EP1169607A1 Ice-maker treatment system |
| 01/09/2002 | EP1169286A2 The use of metal dithiolene complexes in selective olefin recovery |
| 01/09/2002 | EP1169270A1 Method and apparatus for treating leach fields |
| 01/09/2002 | EP1169269A1 Extraction of metal salts from aqueous solutions |
| 01/09/2002 | EP1169268A2 Mineral oxide liquid concentrates for water and wastewater treatment |
| 01/09/2002 | EP1169267A1 Device for the uv radiation of liquids |
| 01/09/2002 | EP1169112A1 Electrodeionization apparatus and method |
| 01/09/2002 | CN2470409Y Domestic waste-water utilizing device |
| 01/09/2002 | CN2470351Y Automatic water-purifying device |
| 01/09/2002 | CN2470350Y Active-water preparing device |
| 01/09/2002 | CN2470349Y Self-rotary water-magnetizing device |
| 01/09/2002 | CN2470348Y Non-adhering type filter-core structure of water-purifying filtering device |
| 01/09/2002 | CN2470347Y Sea water desalting apparatus |
| 01/09/2002 | CN2470346Y Terminal control device for desalting water-treatment by positive bed preferential failing |
| 01/09/2002 | CN2470345Y Water-purifying device special for drinking device |
| 01/09/2002 | CN2470344Y Hydraulic air-rising type water treatment apparatus |
| 01/09/2002 | CN2470343Y Solar and wind energy desalting device for sea water |
| 01/09/2002 | CN2470342Y Apparatus for treating industrial waste liquid containing ammonium sulfate |
| 01/09/2002 | CN2470341Y Oil-isolation tank |
| 01/09/2002 | CN2470340Y Water treatment device |
| 01/09/2002 | CN2470013Y Magnetized gardening sprayer |
| 01/09/2002 | CN2469935Y Ion-water bathing device |
| 01/09/2002 | CN1330768A Biofouling monitor and method to monitoring or detect biofouling |
| 01/09/2002 | CN1330518A Heat treatment process for liquids |
| 01/09/2002 | CN1330226A Compressor station with water-jet compressor set |
| 01/09/2002 | CN1330190A Disintegrating system in waste pipe |
| 01/09/2002 | CN1330180A 电动洗衣机 Electric washing machine |
| 01/09/2002 | CN1330046A Drainage treatment device |
| 01/09/2002 | CN1330044A Water treating equipment |
| 01/09/2002 | CN1330043A Multi-stage electric capacitance deionizer |
| 01/09/2002 | CN1330042A Ultraspeed vaporier for instantaneous seawater desalination |
| 01/09/2002 | CN1330041A Deflation isolator for ultrahigh-speed seawater desalination |
| 01/09/2002 | CN1330040A Centrifugal isolator for efficient seawater desalination |
| 01/09/2002 | CN1330036A Method for producing purified aqueous hydrogen peroxide solution |
| 01/09/2002 | CN1330035A Method for producing purified aqueous hydrogen peroxide solution |
| 01/09/2002 | CN1077553C Waste water treatment device |
| 01/09/2002 | CN1077552C Method and equipment for quickly treating waste water for paper mill |
| 01/09/2002 | CN1077550C Sustained release film |
| 01/09/2002 | CN1077549C Electric multiphase catalyzed reaction process disposing industrial waste water containing dinitrophenol |
| 01/09/2002 | CN1077548C Solid phase extraction of multiring hydrocarbon from drinking water |
| 01/09/2002 | CN1077454C Activating carbon-fluorine apatite to remove toxic metal ions from waste water |
| 01/08/2002 | US6337025 Filter canister for use within a storm water sewer system |
| 01/08/2002 | US6337023 Flotation apparatus for clarifying produced water |
| 01/08/2002 | US6337020 Stirring to impart mechanical energy, attacking cell walls of bacteria and micro-organisms |
| 01/08/2002 | US6337019 Biological permeable barrier to treat contaminated groundwater using immobilized cells |
| 01/08/2002 | US6337015 Refrigerator-mounted water filtration apparatus |
| 01/08/2002 | US6337014 Nonsolvent, sealed septum connection for a water treatment cartridge |
| 01/08/2002 | US6337002 Alkaline ionic water conditioner |
| 01/08/2002 | CA2189285C Apparatus and method for controlling molecular cluster in fluid |
| 01/08/2002 | CA2142010C Process and device for the biological treatment of organically polluted waste water and organic waste |
| 01/07/2002 | CA2313740A1 Multi-stage filtration and softening module and reduced scaling operation |
| 01/05/2002 | CA2314542A1 Mobile washing and wastewater recovery unit |
| 01/03/2002 | WO2002000557A2 Water treatment compositions |
| 01/03/2002 | WO2002000556A1 Method and device for treating water with ballast injected in stilling zone |
| 01/03/2002 | WO2002000554A1 Water treating method, water treating apparatus, and hydroponic system using the same |
| 01/03/2002 | WO2002000553A2 Controlled cooling of input water by dissociation of hydrate in an artificially pressurized assisted desalination fractionation apparatus |
| 01/03/2002 | WO2002000552A2 Water-filter lifetime indicator |
| 01/03/2002 | WO2002000551A2 A process and apparatus for brine purification |
| 01/03/2002 | WO2002000332A1 Device for producing an aqueous chlorine dioxide solution |
| 01/03/2002 | WO2002000267A1 Sanitizing device and associated method |
| 01/03/2002 | WO2002000003A2 Method for manufacturing great quantity of a composite storage tank |
| 01/03/2002 | WO2001045832A3 Single stage denitration |
| 01/03/2002 | US20020001627 Method for giving a fluid coolant a biocidal property |
| 01/03/2002 | US20020001618 Comprising a 3-isothiazolone compound having low water solubility and a carbon-based adsorbent in solid form; use such as to inhibit the growth of marine organisms in paints and coatings |
| 01/03/2002 | US20020001553 Concentrating the distillation bottoms by evaporation of hydrogen fluoride until the temperature at bottom is from 40-60 degree C., and reacting the residue with calcium hydroxide, calcium oxide or mixture |
| 01/03/2002 | US20020000413 Burning to produce exhaust gas, gas-liquid containing an alkali to precipitate heavy metals and coagulating to collect in the bottom for removal |
| 01/03/2002 | US20020000409 Phase separator having multiple separation units, upflow reactor apparatus, and methods for phase separation |
| 01/03/2002 | US20020000365 Water distiller |
| 01/03/2002 | US20020000162 Water apparatus for treating industrial waste products |
| 01/03/2002 | DE10118371A1 Treatment of municipal rinsing water involving the removal of heavy metals etc and the recovery of useful salts using, inter alia, ion-exchangers |
| 01/03/2002 | DE10114738A1 Surface finishing process for copper-containing non-ferrous metals used in the metal processing industry comprises decontaminating the effluent and concentrate |
| 01/03/2002 | DE10055193A1 Cover device for plug hole in washbasin to dispense fragrance, deodorant or disinfectant; has closure element for plug hole with drainage openings filled or coated with active compound |
| 01/03/2002 | DE10030843A1 Apparatus for distilling oil- and grease-containing cleaning fluids has liquid circulation with liquid zone formed in liquid collector, and gravity oil separator |
| 01/03/2002 | DE10030241A1 Low-energy degradation of water contaminants such as halogenated hydrocarbons by subjection to hydroxy radicals in a cavitation-producing mixed field nozzle |
| 01/03/2002 | DE10029082A1 Noble metals employed for water sterilization are pre-activated prior to insertion in remote water supply |
| 01/02/2002 | EP1167770A2 Compressor installation with water-injected compressor element |
| 01/02/2002 | EP1167306A1 Equipment for purifying residual waters from horticulture and pomology centers and in situ phytosanitary treatment |
| 01/02/2002 | EP1167305A2 Process for the treatment of liquid waste from oil mills |
| 01/02/2002 | EP1167301A1 Method of, composition and kit for oxidizing materials in an aqueous stream |
| 01/02/2002 | EP1167300A1 Photodegradative process for the purification of contaminated water |
| 01/02/2002 | EP1167299A1 Apparatus and method for hydrothermal electrolysis |
| 01/02/2002 | EP1167298A1 Method and apparatus for treating aqueous medium |
| 01/02/2002 | EP1167297A2 Physical-chemical process for the treatment of swimming pool water |
| 01/02/2002 | EP1167292A1 Method and apparatus for producing fullerene water |
| 01/02/2002 | EP1167289A2 Process for producing a purified aqueous hydrogen peroxide solution |
| 01/02/2002 | EP1167288A2 Process for producing a purified aqueous hydrogen peroxide solution |
| 01/02/2002 | EP1167285A2 Process for separation of compounds containing arsenic from hydrogen fluoride |
| 01/02/2002 | EP1166859A2 Porous hollow fiber membranes and method of making the same |
| 01/02/2002 | EP1166852A1 Method and apparatus for treatment of gas by hydrothermal electrolysis |