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)
04/2003
04/23/2003CN2546434Y Domestic water purifier with cleaning device
04/23/2003CN2546433Y Spiral-flow clearing air-float pool
04/23/2003CN2546431Y Ozone generator with high concentration
04/23/2003CN2546073Y Automatic cleaning filter
04/23/2003CN1413297A Method and apparatus for decontaminating fluids using ultraviolet radiation
04/23/2003CN1413168A Silica-based sols
04/23/2003CN1412813A Method for exciting optical catalyst action, optical catalyst discharge lamp and products using said lamp production
04/23/2003CN1412134A Urban domestic sewage treatment process and its method
04/23/2003CN1412129A Continuous flow photocatalysis water treatment system
04/23/2003CN1412128A Oil field visous crude sewage silicone-removing and cleaning process
04/23/2003CN1412127A Production process of polymerized iron chlorosulfate water-cleaning agent
04/23/2003CN1412126A Water-cleaning descaling jacket for cooling tower
04/23/2003CN1412125A High-effective instantaneously-magnetizing cup
04/23/2003CN1412124A Treatment method of waste water and its equipment
04/23/2003CN1412123A Method for blowing and removing volatile pollutant in waste water by using ultrasonic wave
04/23/2003CN1412122A Green light energy water-cleaning method and its equipment
04/23/2003CN1411884A Reduction method for essence extractive and obtained extractive
04/23/2003CN1106402C Cellulose particles, method for producing them and their use
04/23/2003CN1106355C Compound treating agent for water treatment
04/23/2003CN1106352C Process and article for disinfecting water
04/23/2003CN1106351C Liquid sterilisation apparatus
04/23/2003CN1106350C Automatic flow regulation method for water treating system
04/23/2003CN1106270C Multi-action particle for structuring biological media
04/22/2003US6552351 Device for the degermination of a fluid by means of ultraviolet rays
04/22/2003US6551609 Carrier such as zinc with gelatin matrix adhesively coating a bactericidal silver ion releasing material thereon, to maintain both the silver and the zinc in a bacteria reactive state
04/22/2003US6551561 Apparatus for decoupled thermo-photocatalytic pollution control
04/22/2003US6551519 Provides lower concentrations of ozone for effecient sanitation and/or oxidation; provides alternative for high concentrations of chlorine
04/22/2003US6551518 Combined ozonation and electrolytic chlorination water purification method
04/22/2003US6551517 Method for transforming chemical structures in a fluid under pressure and in high temperature
04/22/2003US6551514 Cyanide detoxification process
04/22/2003US6551492 Electrolyzed water of anode side and process for production thereof
04/22/2003US6551490 Generation and delivery device for ozone gas and ozone dissolved in water
04/22/2003US6551474 Generation and delivery device for ozone gas and ozone dissolved in water
04/22/2003US6551466 Water purification
04/22/2003US6550747 Cyclic aeration system for submerged membrane modules
04/22/2003US6550622 Composite filter medium and fluid filters containing same
04/22/2003US6550264 Air conditioner discharge water saver system
04/22/2003CA2279884C Method and apparatus for desalinating sea water, natural salt and fresh water
04/22/2003CA2242981C Method and apparatus for preventing biofouling in cooling water system
04/22/2003CA2211302C Electrocoalescent system for decontaminating water streams
04/17/2003WO2003032452A1 Electrocoagulation reaction chamber and method
04/17/2003WO2003031730A1 Liquid purifying apparatus
04/17/2003WO2003031351A1 System for purifying water and method for dispensing purified water
04/17/2003WO2003031348A2 Process for recovering and recycling compounds contained in effluents of delignification and bleaching processes in pulp mills
04/17/2003WO2003031347A1 Control of biofilms in industrial water systems
04/17/2003WO2003031346A1 Microbiological control in aqueous systems
04/17/2003WO2003031345A1 Electrochemical method for wet oxidation-sterilization of liquid waste from fish slaughtering
04/17/2003WO2003031344A1 Water treatment
04/17/2003WO2003031343A1 Mediated electrochemical oxidation of food waste materials
04/17/2003WO2003031342A1 Method and apparatus for the purification of surface water
04/17/2003WO2003031341A1 Mobile cube for the production of energy and the purification of water by reverse osmosis and similar techniques
04/17/2003WO2003031339A1 Method and apparatus for the uv-treatment of aqueous liquids
04/17/2003WO2003031338A2 Apparatus for the treatment of water with elongated uv lamp
04/17/2003WO2003031337A1 Centrifugal deaerator
04/17/2003WO2003031336A1 Method and apparatus for the sterilization of biological waste
04/17/2003WO2003031039A1 Air diffuser membrane treated with biocide
04/17/2003WO2003031038A1 Hollow fiber film and method for production thereof
04/17/2003WO2003031034A1 Control of water treatment system with low level boron detection
04/17/2003WO2003031033A1 Method for preventing scaling of membranes in a one-step membrane process
04/17/2003WO2003031021A1 Wastewater pretreatment gathering and final treatment process
04/17/2003WO2003031016A1 A water treatment tank with a retaining apparatus for a manifold within the tank
04/17/2003WO2002058449B1 Activated water apparatus and methods
04/17/2003WO2002045511A9 Concentrated aqueous bromine solutions and their preparation
04/17/2003US20030073877 In-situ process for detoxifying hexavalent chromium in soil and groundwater
04/17/2003US20030072861 System and process for producing animal feed from food waste
04/17/2003US20030072817 Atomizing heated water into minute particles; contacting raw material under a state of decompression with heated and atomized water particles; condensing water particles; collecting cooled water; solidifying liquid extract
04/17/2003US20030072212 Diffuser/emulsifier
04/17/2003US20030071377 Air diffuser membrane treated with biocide
04/17/2003US20030071372 Process and device for aerating a liquid with gas
04/17/2003US20030071225 Ultraviolet water purifier
04/17/2003US20030071224 Method and apparatus for treating aqueous liquids
04/17/2003US20030071069 Method and apparatus for disinfecting a refrigerated water cooler reservoir and its dispensing spigot(s)
04/17/2003US20030070996 Comprises water with chlorine, ammonia, then with ozone to disinfect, then passing through a filter containing microorganisms, then further chlorination
04/17/2003US20030070995 Apparatus & method for in situ burning of oil spills
04/17/2003US20030070993 Electrochemical cell for removing contaminants from a wastewater stream
04/17/2003US20030070992 Aeration, bubbling, expansion
04/17/2003US20030070991 Apparatus for recirculating vortex water fountain
04/17/2003US20030070986 Method and device for sewage treatment
04/17/2003US20030070974 Produces ozone water for on-tube sterilization or for cleaning as well as resolving chemical residuals inside tubes after routine disinfection
04/17/2003US20030070973 Water treatment system
04/17/2003US20030070968 Water filtering apparatus
04/17/2003US20030070940 Sterilization/cleaning, disinfection, and decoloration of water; an oxygen-containing gas is supplied to the cathode section so as to generate a hypohaloric acid and hydrogen peroxide in anode section for water treatment
04/17/2003US20030070919 Electrocoagulation reaction chamber and method
04/17/2003US20030070460 Mixing organic waste with one or more mineral by-products to form a mixture having a pH of less than 9 and heating and drying the mixture to produce a stable, granular bio-mineral product; soil substitutes
04/17/2003US20030070430 Modular water heater
04/17/2003DE20300126U1 Remote monitoring unit for water treatment plant has text message failure reporting
04/17/2003CA2463489A1 Microbiological control in aqueous systems
04/17/2003CA2462583A1 Method for preventing scaling of membranes in a one-step membrane process
04/16/2003EP1302493A2 Polydithiocarbamate resin
04/16/2003EP1302445A2 Device and process for oxygenating an aqueous solution by electrolysis
04/16/2003EP1302250A1 An apparatus and process for washing and sterilising industrial plants
04/16/2003EP1301441A1 An oriented structure for treating a fluid
04/16/2003EP1301439A1 Process and apparatus for removal of heavy metals from wastewater
04/16/2003EP1301438A1 System and method for simultaneous removal of arsenic and fluoride from aqueous solutions
04/16/2003EP1301437A1 Water treatment device
04/16/2003EP1301436A2 Methods of synthesizing an oxidant and applications thereof
04/16/2003EP1301217A1 The inactivation of nucleic acids using broad-spectrum pulsed light
04/16/2003EP1078885A4 Material for introducing physiologically-essential inorganic elements into drinkable water
04/16/2003EP0785909B1 Hydantoin-enhanced halogen efficacy in pulp and paper applications
04/16/2003EP0757589B1 Separating and concentrating certain ions using ion-binding ligands bonded to membranes
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