Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/2003
11/27/2003WO2003038685A3 Method for monitoring a public water treatment system
11/27/2003WO2003022868A3 Metal binding proteins and associated methods
11/27/2003WO2002066384A8 Device for chemically/physically treating drinking water
11/27/2003US20030220195 Activated carbon adsorbent having pores with metal ions loaded onto it, use for purification, and neutralizing blood poison biological agents, detoxification
11/27/2003US20030220033 For recovering uranium, vanadium, cobalt and titanium
11/27/2003US20030218136 Ultraviolet water treatment apparatus
11/27/2003US20030217979 Oxidative evaporation process and apparatus
11/27/2003US20030217978 Using pulsed laser; removal impurity particles; wtaer pollution control
11/27/2003US20030217977 Recycled irrigation water treatment system
11/27/2003US20030217968 Biological method of phosphorus removal and biological phosphorus-removing apparatus
11/27/2003US20030217967 Processes for manufacturing water filter materials and water filters
11/27/2003US20030217963 Water filter materials and water filters and processes for using the same
11/27/2003US20030217959 Low spillage replaceable water filter assembly
11/27/2003US20030217958 Quick change filter and bracket system with key system and universal key option
11/27/2003DE20303047U1 Hot water boiler has thermostat to control heater and bypass to recirculate cold outlet water to top of tank
11/27/2003CA2484689A1 Mineral fortification systems for adding minerals to bottled, potable liquids
11/27/2003CA2454520A1 Electrical deionization apparatus
11/27/2003CA2387528A1 Decontamination of heterogeneous solid materials
11/26/2003EP1364915A1 A biological method of phosphorus removal and biological phosphorus-removing apparatus
11/26/2003EP1364914A1 Method and system for treating nitrogen-containing compound
11/26/2003EP1364709A2 Electrodeionization deionized water producing apparatus
11/26/2003EP1364703A1 Active structure, apparatus for activating substance, and method of activating substance
11/26/2003EP1364694A1 Process and apparatus to form grease deposit
11/26/2003EP1364001A2 Methods and compositions for waste treatment
11/26/2003EP1363963A1 Anti-microbial and oxidative co-polymer
11/26/2003EP1363957A1 Cationic latex terpolymers for sludge dewatering
11/26/2003EP1363858A1 Device for chemically/physically treating drinking water
11/26/2003EP1363857A2 Methods and apparatus for biological treatment of waste waters
11/26/2003EP1363856A2 Method of boron removal in presence of magnesium ions
11/26/2003EP1363855A1 Method and device for treating liquids
11/26/2003EP1363717A1 Filter
11/26/2003EP1284932B1 Method for treating an effluent containing in particular nitrogen and/or phosphorus and/or organic matter and/or heavy metals
11/26/2003EP1239943B1 Improved membrane filtration
11/26/2003EP1226094B1 Device for electrolysis
11/26/2003EP1198618B1 Post-passivation of a phosphatized metal surface
11/26/2003EP1019324B1 Method and device for sewage clarification
11/26/2003CN2587856Y Three-stage mixed vortex flouulation reaction kettle
11/26/2003CN2587855Y Water purifier by water electrode soundless discharging atomizing
11/26/2003CN2587854Y Electronic water treatment instrument with reverse washing filtering
11/26/2003CN2587853Y Apparatus for circular utilizing concentrated water in purified water production
11/26/2003CN2587852Y Super filtering apparatus for automatic sewage treatment
11/26/2003CN2587851Y Deliling and demulsifying machine for sewage
11/26/2003CN2587850Y Ultraviolet ray fluid sterilizing system
11/26/2003CN2587849Y Sound-light alarm of water cut off protection for electric heating water distiller
11/26/2003CN2587848Y Fluorine-removing water-purifying equipment with membrane technology water treatment
11/26/2003CN2587847Y Strip and clean free quality graded water supply purifying switching device
11/26/2003CN1458907A Treatment of iron sulphide deposits
11/26/2003CN1458860A Composite semipermeable membrane, method for preparing same and method for water treatment using same
11/26/2003CN1458859A Method for producing hollow yarn film
11/26/2003CN1458857A Flow control module for RO water treatment system
11/26/2003CN1458088A Short flow path and high efficiency city wast water treating process ad its special diatomaceous earth waste water treating agent
11/26/2003CN1458085A Environment protection high efficiency water scale cleaning agent
11/26/2003CN1458083A Method for increasing waste water treating efficiency by improving activity of sulfate reducing bacteria
11/26/2003CN1458081A Automatic ozone water generating machine and method
11/26/2003CN1458080A Method for producing deep sea drinking water and deep sea additive using deep sea water
11/26/2003CN1458079A Process for producing fluorine-removing agent
11/26/2003CN1458078A Water purifying agent for pond and its water parifying method
11/26/2003CN1458077A Method for producing waste water treating agent using waste battery as raw material
11/26/2003CN1458076A Coagulating and dewatering treatment method for waste drilling fluid
11/26/2003CN1458075A Process for treating low COD waste water by electric catalystic oxidation technology
11/26/2003CN1458074A Waste water treating process for polymer oil displacing and producing system
11/26/2003CN1458073A Process for treating and reutilizing bank-note gravure printing waste water
11/26/2003CN1458072A Crosslinking process for adsorption of dye with spherical chitosan bead
11/26/2003CN1458071A Circular purifier for household life waste water
11/26/2003CN1458070A Medical and health cleaning liquid series
11/26/2003CN1457917A Filtering method for colloidal solution
11/26/2003CN1128865C Process for recovering wax in wax printing production
11/26/2003CN1128807C Novel triazine-based detoxification agents and their use
11/26/2003CN1128764C Corrosion-retarding compound scaling inhibitor for treating middle-or high-hardness circulating water
11/26/2003CN1128763C Treatment and application method of sewage generated by leaching anode calcine fume of aluminium
11/26/2003CN1128762C Cleaning method for purities in oil field sewage and sewage treating device
11/26/2003CN1128678C Selective separation of iron by treatment with long-exchanging resin comprising diphosphonic acid group
11/26/2003CN1128657C Method for reducing scaling in electrodeionization system
11/26/2003CN1128649C Condensing precipitator
11/26/2003CN1128577C Polymer-type amphoteric disinfectant and its preparing process
11/25/2003US6652893 Machine and process for aerating and flavoring water
11/25/2003US6652889 Concentrated aqueous bromine solutions and their preparation and use
11/25/2003US6652871 Delivery system and method of making article
11/25/2003US6652816 Independently or simultaneously generated according to an using purpose to be supplied to an indoor space or be dissolved in various kinds of raw water
11/25/2003US6652761 Passing wash-water through an microfiltration unit equipped with a microfiltration membrane made of polytetrafluorethylene-based material, wherein a permeate is obtained, and wash-water free of carbon particles
11/25/2003US6652759 Method of treating waste water and apparatus for treating waste water using the method
11/25/2003US6652758 Chemical destruction of ammonia with an oxidizing agent, followed by treatment with calcium salts to precipitate calcium fluoride, and filtration
11/25/2003US6652757 Water pollution control
11/25/2003US6652756 Precipitation of phosphates; addition of iron or aluminum salt through toilet flushing
11/25/2003US6652751 Intrinsically bacteriostatic membranes and systems for water purification
11/25/2003US6652750 Externally mounted bilge water filter and methods therefor
11/25/2003US6652747 Device and a method for the treatment of tap water and drinking water
11/25/2003US6652741 Piston pump, method and installation for filtering water
11/25/2003US6652733 For removing impurities electrochemically from liquids such as water; includes series of plateshaped reaction electrodes electrically insulated against each other, having corrugated surfaces to enhance the electrochemical effect; adaptable
11/25/2003US6652719 Electrolysis system
11/25/2003US6652715 High voltage electrostatic field for treatment of flowing liquids
11/25/2003US6652623 Method and kit for working up a gold bath
11/25/2003US6652603 Process for removing sodium sulfate from nickel hydroxide effluent streams
11/25/2003US6651914 Physical inactivation of parasites
11/25/2003US6651824 Filter pitcher with ice hopper
11/25/2003US6651690 Chemical delivery system for air conditioning drainage pipes
11/20/2003WO2003096767A1 A plasma formed in a fluid
11/20/2003WO2003095952A1 Apparatus for mixing and/or testing small volumes of fluids
11/20/2003WO2003095802A1 Combined desalt-hydroelectric power plant
11/20/2003WO2003095704A1 Descaling method and descaling apparatus