| Patents for C02F 1 - Treatment of water, waste water, or sewage (145,124) |
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| 10/26/2000 | CA2365322A1 Method for eliminating protozoas, especially free-living amoebae from a colonized aqueous flux, method for treating an aqueous flux by electropulsation and use thereof in the elimination of protozoas |
| 10/26/2000 | CA2335715A1 Novel composition of ferric chloride and a dialkyl diallyl ammonium polymer and process of preparing the same |
| 10/26/2000 | CA2335696A1 Method and apparatus for treating objects with ozone |
| 10/25/2000 | EP1046616A2 Arrangement of electrodes for galvanic treatment of flowing media |
| 10/25/2000 | EP1046430A2 Method for enhancing the properties of biofouling release coatings |
| 10/25/2000 | EP1046419A1 Filter apparatus for physical elimination of germs, suspended particles and solids from water |
| 10/25/2000 | EP1045870A1 Modified polystyrene spherical resin and process for decontaminating waste water by using the same |
| 10/25/2000 | EP1045816A2 Amperometric halogen control system |
| 10/25/2000 | EP1045813A1 Intermittent spray system for water treatment |
| 10/25/2000 | CN2402882Y Magnetizing health-care water tap |
| 10/25/2000 | CN2402671Y Improved polymer agglutinant dissolver |
| 10/25/2000 | CN2402670Y Automatic magnetic filter element dirt removing device |
| 10/25/2000 | CN2402669Y Multifunctional polarizing water-purifying device |
| 10/25/2000 | CN2402668Y Electric deionizing device |
| 10/25/2000 | CN2402667Y Self-suction strong electrolysis activating bath |
| 10/25/2000 | CN2402666Y Quick filter element replacing device for water purifying equipment |
| 10/25/2000 | CN2402665Y Chain type oil skimming scraper |
| 10/25/2000 | CN2402664Y Household automatic purifying, magnetizing water storage device |
| 10/25/2000 | CN2402663Y Integrative clarification air floatation basin |
| 10/25/2000 | CN2402662Y Sewage treating apparatus |
| 10/25/2000 | CN1271333A Apparatus for obtaining pure water from crude water |
| 10/25/2000 | CN1270932A Superior water purifying equipment |
| 10/25/2000 | CN1270931A Compound water purifying agent for closed water body |
| 10/25/2000 | CN1270930A Copolymerized iron-aluminium water purifying agent and its preparation |
| 10/25/2000 | CN1270929A Electrochemical sewage treating method |
| 10/25/2000 | CN1270928A All-weather solar-wind energy sea water desalting and water supply engineering |
| 10/25/2000 | CN1270773A Stabilizing liquid containing trace elements and its preparation |
| 10/25/2000 | CN1270763A Stable micoorganism killing agent composition |
| 10/25/2000 | CN1057746C Method for treatment of waste sacrose liquid |
| 10/24/2000 | US6136867 Aqueous suspension of silica and of aluminium sulphate or of alum, processes for the preparation and uses of the said suspension |
| 10/24/2000 | US6136223 Metal ligand containing bleaching compositions |
| 10/24/2000 | US6136220 For detackifying and dispersing, and coagulating/flocculating and dispersing solventborne and waterborne paints in spray booth water |
| 10/24/2000 | US6136205 Laundering soiled garments by washing in aaqueous media containing detergent and bleaching agent comprising stabilized aqueous alkali or alkaline earth metal metal hypobromite solution |
| 10/24/2000 | US6136204 Automatic control apparatus for effecting continuous removal of contaminants, such as volatile organic compounds (vocs) from a process fluid, such as water used to wash print towels and the like circulating wa |
| 10/24/2000 | US6136203 System and method for photocatalytic treatment of contaminated media |
| 10/24/2000 | US6136201 Opening first batch quantity vessel and placing first chemical formulation in solution preparation tank; removing first chemical formulation from tank; diluting second formulation in tank and mixing with first solution to form dialysis solution |
| 10/24/2000 | US6136200 Dosing water from waste water system within an detackfying amount of inorganic and organic polymer adduct system comprising cationic polymer unit, anionic polyer unit, acrylamide units and aluminum sulfate octahydrate |
| 10/24/2000 | US6136199 Using a chelating ion exchange resin saturated with lewis acid, i.e., copper, cations |
| 10/24/2000 | US6136196 Device for controlling, guiding, adjusting, measuring and monitoring liquid flows, and water treatment facility |
| 10/24/2000 | US6136189 Enhanced in-bottle filtration mechanism and techniques |
| 10/24/2000 | US6136188 Water cap with built-in filter and air pump |
| 10/24/2000 | US6136186 Air and water pollution control apparatus comprising flat photochemical cell through which polluted fluid and oxidant flow to be irradiated through transparent surface by adjacent ultraviolet light source |
| 10/24/2000 | US6136184 Liquid chemical delivery system |
| 10/24/2000 | US6136178 Diaphragm electrolysis of aqueous cleaning solutions, water soluble cutting oils and coolants containing both oils and surfactants; water pollution control |
| 10/24/2000 | CA2191825C Process for dye removal |
| 10/19/2000 | WO2000061527A2 The use of metal dithiolene complexes in selective olefin recovery |
| 10/19/2000 | WO2000061505A1 Method for purifying the water |
| 10/19/2000 | WO2000061501A1 Higher actives dispersion polymer to aid clarification, dewatering, and retention and drainage |
| 10/19/2000 | WO2000061500A1 Method and plant for treating water with high degree of hardness and/or having a high sulphate content |
| 10/19/2000 | WO2000061497A2 Device for removal of microorganism in water system |
| 10/19/2000 | WO2000061290A1 A photocatalyst |
| 10/19/2000 | WO2000061257A1 Cartridge and device for treating liquids |
| 10/19/2000 | WO2000037366A8 Method and installation for sanitizing surface water |
| 10/19/2000 | WO2000027760B1 Pressure swing contactor for the treatment of a liquid with a gas |
| 10/19/2000 | WO1999065533A9 Catalytic dental water apparatus |
| 10/19/2000 | DE19917399A1 Fibrous structure, e.g. paper, containing active agents for liquid treatment, useful e.g. in food processing or in softening or purifying water |
| 10/19/2000 | DE19916880A1 Oil separator for mixture of oil and effluent water, uses hollow plastic bodies to enhance efficiency of separator operation |
| 10/19/2000 | DE19916440A1 Potable water treatment e.g. employing limestone to reduce acidity, recycles water to fluidize bed in first vessel, maximizing transfer coefficients whilst minimizing size and cost of plant |
| 10/19/2000 | DE19915829A1 Kartusche und Vorrichtung zum Aufbereiten von Flüssigkeiten Cartridge and device for treating liquids |
| 10/19/2000 | DE19915735A1 Flotation assembly to separate suspension into fractions which are rich and poor with separated matter comprises flotation column with center inflow and blades to divert low fraction into collection zone |
| 10/19/2000 | CA2369046A1 The use of metal dithiolene complexes in selective olefin recovery |
| 10/18/2000 | EP1045019A2 Cracking process and electronic apparatus therefor |
| 10/18/2000 | EP1045001A2 Method for production of porous material |
| 10/18/2000 | EP1044928A1 Water treating method |
| 10/18/2000 | EP1044717A2 Polarity reversal and double reversal electrodeionization apparatus and method |
| 10/18/2000 | EP1044609A1 Stable microbicide formulation |
| 10/18/2000 | EP1044456A1 A lamp device and a lamp tube as well as a method of regulating the lamp device |
| 10/18/2000 | EP1044169A1 Water reclamation system for a vehicle wash system |
| 10/18/2000 | EP1044168A1 Polylactate release compounds and methods of using same |
| 10/18/2000 | EP1044167A1 Removal of heavy metal ions from aqueous media |
| 10/18/2000 | EP1044166A1 Method for removing hydrophobic impurities using cleavable nonionic surfactants |
| 10/18/2000 | EP1044165A1 Pour-through water treatment dispenser |
| 10/18/2000 | EP1044162A1 Supercritical treatment of adsorbent materials |
| 10/18/2000 | EP1044060A1 Bacteriostatic filter cartridge |
| 10/18/2000 | EP1044045A1 Purification composite and device and method of making and using same |
| 10/18/2000 | EP0930940B1 Process for controlling the regeneration of a water treatment device and water treatment device using said process |
| 10/18/2000 | CN2401542Y Water quality treatment apparatus for water channel |
| 10/18/2000 | CN2401541Y Meaical stone activation device |
| 10/18/2000 | CN2401540Y Water storage tank for waste water utilization |
| 10/18/2000 | CN2401539Y Electronic water processing device |
| 10/18/2000 | CN2401538Y Magnetic ion sieve sea water desalination device |
| 10/18/2000 | CN2401537Y 水消毒器 Water disinfection |
| 10/18/2000 | CN2401536Y Drinking water treatment machine |
| 10/18/2000 | CN2401535Y Water supply treatment device for nanometer membrane filter boiler |
| 10/18/2000 | CN2401246Y High-efficient coalescence separator |
| 10/18/2000 | CN1270573A Method and device for treating a heavily loaded liquid effluent in particular with nitrogen and with phosphorus |
| 10/18/2000 | CN1270572A Method and compositions for controlling biofouling using amino methyl phosphonic acids |
| 10/18/2000 | CN1270571A Hydrothermal Electolysis method and apparatus |
| 10/18/2000 | CN1270570A Method to remove biguanide from an aqueous source |
| 10/18/2000 | CN1270530A Sterilization apparatus utilizing catholyte and anolyte solutions |
| 10/18/2000 | CN1270177A Production of porous materials |
| 10/18/2000 | CN1270149A Reused aggregates for concrete and precast products of concrete |
| 10/18/2000 | CN1270147A Method for treating dreg containing arsenic |
| 10/18/2000 | CN1270146A Process for treating sewage containing Zn and Cd |
| 10/18/2000 | CN1270145A Process for treating high-concentration waste liquid generated by preparing glutamine acid from molasses |
| 10/18/2000 | CN1057512C Harnessing method for papermking waste water |
| 10/18/2000 | CN1057509C Method for treatment of waste-alkali-liquid from oxidation and saponification of hexamethylene |
| 10/18/2000 | CN1057508C Method for extracting chromium from chroming waste water and waste slag |
| 10/17/2000 | USRE36915 Adding a specified ratio of sulfide ion to hexavalent chromium (cr6+) and ferrous ion to cr6+; adjusting ph to given range; adding polymers to the solution to assist in flocculation of the waste stream; produces less sludge |
| 10/17/2000 | US6133363 Process for producing dispersions of water-soluble vinyl polymers and stabilizer for implementing the process |