Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
10/2000
10/05/2000DE19913969C1 Air removal from hydraulic fluids by the use of a micro-bubble separator
10/05/2000DE19801735C2 Vorrichtung zur Konditionierung von Schlämmen und Reinigung von Schmutzwässern Apparatus for conditioning of sludge and cleaning of dirty water
10/05/2000DE10015441A1 Sludge treatment plant comprises electro-floatation basin, surface sludge removal system and sludge thermal aerobic stabilizing basin
10/05/2000CA2333786A1 Method and device for sterilising and dispensing a liquid for medical use
10/05/2000CA2333777A1 Method and device for sterilizing and dispensing a liquid for medical purposes
10/05/2000CA2333774A1 Method and device for sterilizing and dispensing a liquid for medical purposes
10/04/2000EP1041044A1 A method of purifying waste water containing phenolics
10/04/2000EP1041042A1 Water purification apparatus and method thereof
10/04/2000EP1040864A2 Control of mercury in a wet scrubber
10/04/2000EP1040141A1 Anionic polymer products and processes
10/04/2000EP1040087A1 Stabilized liquid lime dispersion for sewage treatment
10/04/2000EP1040083A1 Installation for biochemichal sewage treatment
10/04/2000EP1040082A1 Method and system for removing solutes from a fluid using magnetically conditioned coagulation
10/04/2000CN2399382Y Multi-element functional activated water appts.
10/04/2000CN2399381Y Seconary water feeding sterilizing case
10/04/2000CN2399380Y Zeolite magnetizing ion water generator
10/04/2000CN2399379Y Super-strong permanent magnet descaling appts.
10/04/2000CN2399378Y Magnetizing drinking water machine
10/04/2000CN2399377Y Water super-filtering magnetic scale-proof and descaling device for steam boiler
10/04/2000CN2399376Y Master of electronic water treatment instrument
10/04/2000CN2399375Y Full automatic rare-earth magnetizing ion water generating installation
10/04/2000CN2399374Y Wasted water photocatalysis treatment appts.
10/04/2000CN2399373Y Improved pulse processing instrument
10/04/2000CN2399372Y Low pressure distillation and evaporation seawater desalting appts.
10/04/2000CN2398943Y Warm supper filtering water drinking machine
10/04/2000CN2398942Y Selenium-enriched mineralizing appts.
10/04/2000CN2398925Y Health calsium complementing kettle for drinking water
10/04/2000CN1268961A Aqueous dispersion polymers
10/04/2000CN1268935A Coagulator
10/04/2000CN1268899A Method for eliminating organophosphorus compound contd. in gas or liquid
10/04/2000CN1268875A Filter device for drinking containers
10/04/2000CN1268489A Drinking water containing several mineral nutrients, its preparation method and application
10/04/2000CN1268488A High-quality drinking water prodn. with controlled mineral content
10/04/2000CN1268487A Treatment and utilization method of waste acid liquor by using activated clay
10/04/2000CN1268486A Electric deioization apparatus having branch desalting chamber
10/04/2000CN1268317A Preparation method of detoxicated algae
10/04/2000CN1056972C Water circulation system for bathing in which added with multiple mineral substance
10/03/2000USRE36896 Includes a radiation source arranged in an irradiation zone with a treatment zone comprises a reduced cross-sectional area to increase the fluid flow velocity, through which fluid to be treated passes and is irradiated
10/03/2000US6126991 Exposing surface of biofouling release coating to restorative compound to effect enhancement of biofouling release properties, wherein restorative compound is selected from silicone oil, hydrocarbon oil, grease, wax, and mixtures
10/03/2000US6126842 Reducing the biochemical oxygen demand, chemical oxygen demand, ammonia and total nitrogen of wastewater by injecting a gas mixture of a low concentration of ozone gas in oxygen into a wastewater stream
10/03/2000US6126841 Positioning one or more ring-shaped devices, such as washers, at one or more predetermined locations on the exterior surface of each lamp unit in the system
10/03/2000US6126838 Method of wastewater treatment by electrolysis and oxidization
10/03/2000US6126837 Removing suspended particles from a solution by adding to the solution to be treated an effective amount of a composition comprising a mannich derivatized polyether
10/03/2000US6126834 High resistivity water production with controlled water temperatures
10/03/2000US6126830 Method and apparatus for treating medical waste water
10/03/2000US6126824 Scum removal system for liquid treatment tank
10/03/2000US6126820 Apparatus for purifying liquids
10/03/2000US6126811 Electrocatalytic method for the deoxygenation of sea water and device for its implementation
10/03/2000US6126810 Generation of active chlorine in the presence of an organic load from sodium chloride in water
10/03/2000US6126805 A multicompartment stack comprising cation exchange membranes and anion exchange membranes
10/03/2000US6126797 The inner and the outer electrodes are applied with a direct current voltage therebetween to disinfect raw water; water treatment
10/03/2000US6126796 Electrolytic cell and method for the production of acid water
10/03/2000US6126361 Apparatus and method for installation of a fluid dispenser in wastewater
10/03/2000US6126336 Apparatus for the complete, continuous separation of a mixture of photopolymers and water with a membrane and filter, for the making of flexible plates useful in printing
10/03/2000US6125778 Ballast water treatment
10/03/2000US6125481 Swimming pool management system
10/03/2000CA2129947C Fixation and stabilization of chromium in contaminated materials
10/02/2000CA2303568A1 System and method for utilizing regenerated waste from water softeners used for steam flood operations
09/2000
09/30/2000CA2303586A1 Enhanced control of mercury in a wet scrubber through reduced oxidation air flow
09/29/2000CA2267511A1 Water filter cartridge
09/28/2000WO2000056987A1 Water treatment equipment
09/28/2000WO2000056666A1 Water purification process
09/28/2000WO2000056663A1 Liquid treating method and liquid treating system
09/28/2000WO2000056371A1 Apparatus and method for disinfecting a fluid
09/28/2000DE19913357A1 Pressing thin sludge from filter back-washing water of drinking water treatment plant involves adding rock flour, strongly cationic flocculant and optionally lime sludge
09/28/2000DE19913280A1 Re-use of waste water, especially from textile finishing, involves decolorization coupled with dyeing process and uses process heat for activation of e.g. persulfate
09/28/2000DE19913011A1 Treatment of water or filter back-washing water from swimming pool involves irradiation with ultraviolet light in reactor with titanium dioxide catalyst
09/28/2000DE19911948A1 Microwave treatment of aqueous liquid for bacteria content reduction and crystallization seed formation, by water molecule cluster disruption to form stable seeds and atomic oxygen generation to oxidize bacteria
09/28/2000DE19911875A1 Vorrichtung zur elektrolytischen Behandlung von Wasser bzw. wässrigen Lösungen Apparatus for the electrolytic treatment of water or aqueous solutions
09/28/2000DE19911738A1 Mit Fe·3··+·-Ionen dotierter Titandioxid-Photokatalysator With Fe 3 · · · · + ions doped titanium dioxide photocatalyst
09/28/2000CA2368022A1 Water purification process
09/27/2000EP1039783A1 Heating arrangement of a dielectric product by micro-waves
09/27/2000EP1039294A2 A method and apparatus for the analysis of a liquid carrying a suspension of organic matter
09/27/2000EP1038993A1 Apparatus for producing ozone water and method of producing ozone water by using the same apparatus
09/27/2000EP1038840A2 A water treatment system
09/27/2000EP1038839A2 Reductive heat exchange water and heat exchange system using such water
09/27/2000EP1038838A2 Device for producing ion water and partition wall for device for producing ion water
09/27/2000EP1038837A2 An electrodeionization apparatus comprising sub-desalination chambers
09/27/2000EP1038836A2 Device for producing ion water
09/27/2000EP1038835A1 Effluent treatment plant
09/27/2000EP1038580A1 Ammonium ion adsorption process using zirconium silicate and zirconium germanate molecular sieves
09/27/2000EP1038436A2 Water filtering device
09/27/2000EP1038435A2 Water filtering device
09/27/2000EP1038041A1 A fibrous system including wicking fibers impregnated with extractant for continuously capturing metals from an aqueous stream
09/27/2000EP1037857A1 Ozonation apparatus for water treatment
09/27/2000EP1037856A1 Method and device for the production of pure water
09/27/2000EP1037695A1 Combined hydrocyclone and filter system for treatment of liquids
09/27/2000CN2398570Y Environmental protection boiler
09/27/2000CN2398264Y Device for treating water with biological oxidation and with disinfect and sterilization function
09/27/2000CN2398263Y Gas-water mixing pipe
09/27/2000CN2398262Y Water quality treater
09/27/2000CN2398261Y Solar-energy sea water desalination plant
09/27/2000CN2398260Y Automatic distilled water apparatus
09/27/2000CN2398259Y Adjustable water decanting apparatus
09/27/2000CN2397856Y Domestic pure water dispenser
09/27/2000CN1268199A Process for treating spent,waste, alkaline digestion liquid from paper pulping operations and product
09/27/2000CN1267642A Ammonifying cation exchange bed operating process with condensed water treatment
09/27/2000CN1267641A Technology of applying 13x zeolite in treating heavy metal-containing waste water and recovering metal
09/27/2000CN1056780C Improvement of filtering apparatus used for purification of liquid, especially for water
09/26/2000US6124396 Branched water-soluble acrylamide copolymers of high molecular weight and process for manufacturing them