Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 1 - Treatment of water, waste water, or sewage
Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
05/2003
05/14/2003EP1156986B1 System for treating fluids in an electric field
05/14/2003EP1144319B1 Sludge density measurement for controlling a sludge treatment stage
05/14/2003EP1058674B1 Method and apparatus for electrocoagulation of liquids
05/14/2003EP1027136A4 Fluid purification devices and methods employing deionization followed by ionization followed by deionization
05/14/2003CN2550413Y Household water supply machine for different water quality
05/14/2003CN2550358Y Ozone water sterilizer for pipeline container
05/14/2003CN2550357Y Water circulation treatment device for washing car
05/14/2003CN2550356Y 组合式净水器 Combined water purifier
05/14/2003CN2550355Y Chlorine dioxide generater
05/14/2003CN2550354Y Reciprocating high efficiency fuid magnetizer
05/14/2003CN2550353Y Device for producing sterilizing water
05/14/2003CN2550352Y Integrated small water softener
05/14/2003CN2550351Y Air floating micro bubble generator
05/14/2003CN2549859Y Electric water kettle
05/14/2003CN2549731Y Oxygen enriching and sterilizing machine
05/14/2003CN1418175A Electorlysis based water treatment
05/14/2003CN1417924A Flat core-free vibration motor
05/14/2003CN1417424A Water supply system supplying high-quality water to urban residents
05/14/2003CN1417141A Method of treating acid metal-containing waste water
05/14/2003CN1417136A Method for treatment of sea red tides and fresh water bloom
05/14/2003CN1417135A Composition of magnetically conducting board
05/14/2003CN1417134A Two-stage partially reverse osmose pure-water producing process
05/14/2003CN1417133A Water purifying agent and its prepn process
05/14/2003CN1417132A Solar-energy sea water desalting equipment
05/14/2003CN1417131A Elimination method of eliminatld article
05/14/2003CN1417130A Elimination method of eliminated article
05/14/2003CN1416935A Filter
05/14/2003CN1416772A Full-automatic magnetic electric water boiler
05/14/2003CN1416690A Slow releasing water producing method and apparatus
05/14/2003CN1108332C Water-soluble polymers and compositions thereof
05/14/2003CN1108278C Process for recovering oils
05/14/2003CN1108277C Flotation separating container
05/13/2003US6564157 On-line device for predicting at least one fluid flow parameter in a process
05/13/2003US6562244 Sewage diluted with rainwater; heterocyclic disinfectant which can form hypobromous acid (HOBr) or hypoiodous acid has group of the formula -N(X)-C=O where X is bromine or iodine; 1-bromo-3-chloro-5,5-dimethylhydantoin
05/13/2003US6562243 Synergistic combination of metal ions with an oxidizing agent and algaecide to reduce both required oxidizing agent and microbial sensitivity to fluctuations in oxidizing agent concentration, particularly for swimming pools
05/13/2003US6562242 Stand alone water purifier
05/13/2003US6562241 Precipitation of dissolved inorganic arsenic
05/13/2003US6562240 Mixing apparatus
05/13/2003US6562234 Land-based desalination using positively buoyant or negatively buoyant/assisted buoyancy hydrate
05/13/2003US6562205 High-temperature ultrapure water production apparatus and liquid medicine preparation apparatus equipped with the production apparatus
05/13/2003US6562142 System and method for cleaning and/or treating vehicles and the surfaces of other objects
05/13/2003US6561382 With ozone
05/13/2003US6561234 Automatic shutoff device for filtered bottled water dispenser
05/13/2003CA2298425C Process for the treatment of arsenic-containing sludge
05/13/2003CA2110300C Batch process and apparatus
05/08/2003WO2003038685A2 Method for monitoring a public water treatment system
05/08/2003WO2003038405A1 Improvements in materials handling and sampling
05/08/2003WO2003038351A1 Refrigeration purifiers
05/08/2003WO2003038155A1 Arrangement of an electrode, method for making same, and use thereof
05/08/2003WO2003037806A1 Method and apparatus for recovery of waste water
05/08/2003WO2003037804A1 Odor control method
05/08/2003WO2003037803A1 Method and device for liquid treatment
05/08/2003WO2003037802A1 A water purifier using electrolysis
05/08/2003WO2003037801A1 Apparatus and method for combined use of ultraviolet and ozone in appliances
05/08/2003WO2003037800A1 Module for treating liquid media with uv radiation
05/08/2003WO2003037799A2 Point of use water purification method and apparatus
05/08/2003WO2003037507A1 Exhaust line for an internal combustion engine
05/08/2003WO2003037504A1 Vibratory stirrer for sterilization and sterilizer and sterilization method employing vibratory stirrer
05/08/2003WO2003037492A1 Hollow fiber carbonation
05/08/2003WO2003037489A1 Plate filtration module
05/08/2003WO2003037488A1 Treatment of polyaluminium compounds
05/08/2003WO2003037487A1 Systems and methods with treated water
05/08/2003WO2003037479A1 Water filtering apparatus
05/08/2003WO2002090264A3 Apparatus and method for preventing scale formation in circulating water systems
05/08/2003WO2001064006A3 Treatment of scale
05/08/2003US20030087756 Solid materials for removing metals and fabrication method
05/08/2003US20030087016 Shredding of food waste; thickening ground food waste by using agglomerating polymer and a synthetic organic flocculant forming low moisture product and a separate liquid phase; adding a dry carrier to low moisture product; treating liquid
05/08/2003US20030086848 Ultraviolet disinfecting apparatus
05/08/2003US20030086814 Odor control method
05/08/2003US20030086160 Selectively tuned ultraviolet optical filters and methods of use thereof
05/08/2003US20030085300 Apparatus for sequentially distributing liquid in more than one direction and method thereof
05/08/2003US20030085239 Chemical feeder
05/08/2003US20030085199 Which can increase decomposition efficiency of organic substance or production of hypochlorous acid by improving performance of catalytic oxide anode
05/08/2003US20030085179 Communicating with communications network, acquiring process information concerning industrial process, predicting process parameter associated with predicted waste output according to model, communicating process parameter over network
05/08/2003US20030085178 Simplified purification of phosphoric acid plant pond water
05/08/2003US20030085177 Waste is contained and ability of reducing agent to reduce metal of waste is decreased by adding stabilizing chemical or by exposing waste to anode to which positive voltage is applied; poisonous and explosive gases are vented
05/08/2003US20030085176 Allows micro, medium and macro-scale treatment throughout urban canalized watercourses, affecting all watercourses of region in continuous and complementary manner; successive and intercalated aeration stages
05/08/2003US20030085174 On-site biological treatment of contaminated fluids
05/08/2003US20030085172 Wastewater treatment method and apparatus
05/08/2003US20030085171 Biological treatment process
05/08/2003US20030085170 Product for treating contaminated fluids and method of making and using the same
05/08/2003US20030085169 Filter cartridge with divided filter bed for gravity-flow use
05/08/2003US20030085111 For mineralization and detoxification of gaseous and aqueous steams; improved coupling performance; comprises mercury vapor lamp
05/08/2003US20030084927 Washer and washing method
05/08/2003CA2464463A1 Method for monitoring a public water treatment system
05/08/2003CA2463858A1 Odor control method
05/08/2003CA2457757A1 Point of use water purification method and apparatus
05/07/2003EP1308421A2 Device for the electrochemical treatment of a fluid and method for its operation
05/07/2003EP1308420A1 Method and apparatus for treating ammonia-containing effluent water
05/07/2003EP1308201A1 Electrodeionization apparatus
05/07/2003EP1307408A1 Additive method of standardized drinks and potable water production
05/07/2003EP1307407A1 Composition for the neutralisation of inorganic and organic strong acids
05/07/2003EP1307406A1 Device and method for electrodialysis
05/07/2003EP1307405A1 Method and device for treating waste water from launderettes
05/07/2003EP1307404A1 A plant for purifying water contaminated by droplets of hydrocarbonaceous liquid
05/07/2003EP1307403A2 Flow control module for ro water treatment system
05/07/2003EP1307301A2 Method and device for in-situ groundwater decontamination
05/07/2003EP1307101A2 Method of preparing a biocidal concentrate
05/07/2003EP1235622A4 Electrodeionization substrate, and device for electrodeionization treatment
05/07/2003EP1144314B1 Uv radiation device, especially for disinfecting liquids with reduced uv transmission
1 ... 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 ... 1452