C02F 1 - Treatment of water, waste water, or sewage

Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124)
11/2004
11/09/2004	US6814840 Flow-through electrochemical reactor for wastewater treatment
11/09/2004	US6814724 Water purification pack
11/09/2004	US6814344 Method and apparatus for circulating fluids in a body of liquid
11/09/2004	US6814306 Water feeder with mixed solution sustained-releasing function
11/09/2004	US6814095 Dose system
11/09/2004	CA2366606C Method and arrangement for introduction of sewage pre-treatment upstream of sewage treatment facility
11/09/2004	CA2253248C Water treatment device with fill-counting cartridge
11/08/2004	CA2465445A1 Flexible film packaging for use with ozone sterilization applications
11/04/2004	WO2004095061A2 Solid-state beta detector for microfluidic devices
11/04/2004	WO2004094677A1 Method for handling waste material generated in a metallurgical process
11/04/2004	WO2004094320A1 Method of treating digested sludge
11/04/2004	WO2004094319A1 Method for flow improvement and reduction of fouling in process equipment
11/04/2004	WO2004094318A1 Installation for treating water by flotation
11/04/2004	WO2004094317A2 Thermoelectric, high-efficiency, water generating device
11/04/2004	WO2004094048A1 Membrane-supporting device and membrane filter
11/04/2004	WO2004094046A1 External pressure hollow fibre membrane separation system
11/04/2004	WO2004094044A1 Three-dimensional fine cell structured photocatalyst filter responding to visible light and method for production thereof, and clarification device
11/04/2004	WO2004094036A1 Filter assembly utilizing carbon block and pleated filter element
11/04/2004	WO2004094035A1 Water softener
11/04/2004	WO2004094031A1 Manipulation of dispersed systems
11/04/2004	WO2004093652A2 System and method for synthesis of molecular imaging probes including fdg
11/04/2004	WO2004079030A3 Composite material for a permeable reactive barrier
11/04/2004	WO2004063100A3 Sanitization system and system components producing ozonated liquid
11/04/2004	WO2004007060A3 Uv treated membranes
11/04/2004	US20040220071 using an acrylonitrile-butadiene-styrene terpolymer
11/04/2004	US20040219651 Novel biological floculants and production methods
11/04/2004	US20040219400 Hybrid fuel cell/desalination systems and method for use
11/04/2004	US20040219293 water purification filters
11/04/2004	US20040219089 Method for producing an anion-exchanging mineral and use of said mineral
11/04/2004	US20040217547 Method of playing a new wagering card game
11/04/2004	US20040217326 Water treatment compositions
11/04/2004	US20040217068 Creating fluid pressure differential to enhance contact between treatment additives and contaminants
11/04/2004	US20040217067 Residual wastewater chlorine concentration control using a dynamic weir
11/04/2004	US20040217065 Oil field separation facility control system utilizing total organic carbon analyzer
11/04/2004	US20040217064 Utilizing such as oxidized and hydroxylamine derivatized guar gum; efficient, low cost heavy metals removal
11/04/2004	US20040217062 Purifying a liquid waste from wet combustion or wet oxidation process of forming acrylic acid, separating solid content copper with a coagulants, precipitating molybdenum oxide with a precipitate agents; demetallization
11/04/2004	US20040217058 Single stage waste water pretreatment system; antifouling; reducing cost and plant space
11/04/2004	US20040217052 Biofilm reduction in crossflow filtration systems
11/04/2004	US20040217051 Plant and method for purification of water coming from a desulphuration kerosene plant
11/04/2004	US20040217049 Filters and methods of making and using the same
11/04/2004	US20040217041 Automatic shut-off for fluid treatment system
11/04/2004	US20040217015 Method and apparatus for electrorefining impure hydrogen
11/04/2004	US20040217014 Rapid, low cost desalination and/or fuel production; conversion to hydrogen and oxygen gases; recombination or collection
11/04/2004	US20040216254 Sectoral ring brush
11/04/2004	DE202004006303U1 Electro-chemical assembly processes brine that is used in the preparation of drinking water has cells sub-divided by diaphragm partition
11/04/2004	DE19732080B4 Verfahren und Vorrichtung zum kontinuierlichen Abbau organischer Substanzen Method and apparatus for the continuous degradation of organic substances
11/04/2004	DE10317853A1 Filtrationsmodul Filtration module
11/04/2004	DE10316921A1 Preventing biological plugging of filters in the catalytic treatment of water comprises passing the water through a prefilter before passing it through a catalyst and then through a main filter
11/04/2004	DE10314416A1 Separation of toxic heavy metal ions from waste waters, adsorbs them onto porous concrete adsorbents produced by calcining under given conditions
11/04/2004	DE102004013411A1 Feuchtmittel-Recyclingsystem für kommerzielle Drucker Fountain solution recycling system for commercial printers
11/04/2004	CA2523189A1 System and method for synthesis of molecular imaging probes including fdg
11/04/2004	CA2522792A1 Method 0f flow improvement and reduction of fouling in process equipment
11/04/2004	CA2522087A1 Method for handling waste material generated in a metallurgical process
11/03/2004	EP1473278A1 Process for the treatment of wastewater
11/03/2004	EP1473073A1 Membrane filter with deaeration and method for the manufacture thereof
11/03/2004	EP1472424A1 Management arrangement
11/03/2004	EP1472189A1 Water chlorinating device
11/03/2004	EP1472188A1 Purification of onium hydroxides by electrodialysis
11/03/2004	EP1472182A1 Method and apparatus for generating gaseous chlorine dioxide-chlorine mixtures
11/03/2004	EP1472019A1 Cleaning method and cleaning fluid for aeration bodies
11/03/2004	EP1434737A4 Apparatus and method for photocatalytic purification and disinfection of water and ultrapure water
11/03/2004	EP1379330B1 Method for purifying and refining fluids through accelerated electrons
11/03/2004	EP1301437B1 Water treatment device
11/03/2004	EP1297039A4 Structurally-modified polymer flocculants
11/03/2004	EP1274521B1 Tube scraper
11/03/2004	EP1232119B1 Method and device for the treatment of fluids
11/03/2004	EP1204607B1 Method and arrangement for purification of water
11/03/2004	EP1194238B1 Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups
11/03/2004	EP1183212A4 Reverse osmosis system with biological contamination prevention
11/03/2004	EP1062182B1 A method of and an implement for milking animals
11/03/2004	CN2653014Y Environmental protection water circulation toilet closet
11/03/2004	CN2653003Y Circular water saving device for reutilizing waste water of pure water purifier
11/03/2004	CN2652921Y Super small active oxygen water purifier
11/03/2004	CN2652920Y Ion oxygen enriched water producing device
11/03/2004	CN2652919Y 净水器过滤芯 Water purifier filter cartridge
11/03/2004	CN2652918Y Oil/water separator
11/03/2004	CN2652917Y Ultraviolet sterilizing lamp for low pressure water flow
11/03/2004	CN2652916Y Swirl air dissolving device
11/03/2004	CN2652915Y Precipitation water purifier
11/03/2004	CN2652914Y Optical catalytic reaction poul
11/03/2004	CN2652913Y Dissolving device and water treatment device with above dissolving device
11/03/2004	CN2652542Y Dye collecting disc
11/03/2004	CN2652400Y Purifying health device for sterilization
11/03/2004	CN2652389Y Improvement of sterilizing lamp
11/03/2004	CN2652290Y Water purifier of drinking machine capable of increasing air humidity
11/03/2004	CN2652288Y Controller of air water making machine
11/03/2004	CN1543484A Amphoteric water-soluble polymer dispersion and use thereof
11/03/2004	CN1543441A Method for starting up a system for treating waste by hydrothermal oxidation
11/03/2004	CN1543440A Medical grade water production system
11/03/2004	CN1543439A 净水装置 Water purification devices
11/03/2004	CN1543438A Water supply system and water supply method
11/03/2004	CN1542147A Nano-filtration method for separating magnesium and enriching lithium from salt lake brine
11/03/2004	CN1542031A Viscosity highly increased water-soluble hydrophobic association copolymer and preparation method and use thereof
11/03/2004	CN1541953A Preparation method of algae inhibitor
11/03/2004	CN1541952A Technique for harnessing water bloom and bed mud secondary pollution using lake sediment
11/03/2004	CN1541951A One-step production method for coagulant solid polymerized silica ferric sulfate
11/03/2004	CN1541950A Application of bulrush as algae inhibiting material
11/03/2004	CN1541949A Disinfection and sterilization method for aquiculture water body
11/03/2004	CN1541948A Rotational flow deoiling method for sulfur bearing sewage
11/03/2004	CN1541947A Parametric array supersonic wave sanitary-treating arrangement

1 ... 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 ... 1452