Patents
Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632)
09/2010
09/15/2010CN101835714A Method of inhibiting scale formation and deposition in desalination systems
09/15/2010CN101830571A Itaconic acid copolymer antisludging agent and microwave synthetic method thereof
09/13/2010CA2696354A1 Scale-reducing additive for automatic dishwashing systems
09/13/2010CA2696155A1 Scale-reducing additive for automatic dishwashing systems
09/10/2010WO2010101347A1 Water purifying device for preventing rust and scale
09/10/2010CA2754079A1 Method for operating a water softening plant with desired value control by means of a water removal station
09/08/2010CN201575569U Positive displacement fuel water heater
09/08/2010CN201574102U Integral water hardness eliminating device
09/08/2010CN101823797A Environment-friendly multifunctional water treatment agent
09/08/2010CN101428911B Environment friendly high-efficiency composite scale corrosion inhibitor and production method thereof
09/08/2010CN101417839B Corrosion inhibitor formula for crystallizer soft water system in steel works and use method thereof
09/08/2010CN101381169B Corrosion inhibition method of primary reverse osmosis water from desalination of sea water
09/08/2010CN101381168B Fluorescence labeling acrylic acid-sodium acrylic sulphonate co-polymer water treatment agent and preparation method thereof
09/02/2010WO2010098158A1 Slime control agent for activated carbon, method of passing water through activated-carbon device, and method and apparatus for treating organic-containing water
09/02/2010US20100222928 Water softener
09/01/2010EP2224453A1 Ph adjusting unit
09/01/2010CN101817601A Water quality stabilizer without acid for adjusting pH value
09/01/2010CN101817600A Method for preparing scale inhibitor for seawater desalination reverse osmosis (RO)
09/01/2010CN101817599A Cleaning solution for descaling auto radiator and preparation method thereof
09/01/2010CN101817598A Scale-removing cleaning solution for thermal pipeline and preparation method thereof
09/01/2010CN101817597A Descaling liquid for circulating-water in thermal power plant and preparation method thereof
09/01/2010CN101817596A Environmental-friendly spunlace nonwoven circulating water treating liquid and preparation method thereof
08/2010
08/31/2010US7786049 boring well bores using mixtures of water, nanoparticles comprising polyvinyl pyrrolidone or rubber latex, and optionally salts, antifoams, biocides,corrosion inhibitors, dispersants, flocculants,scavengers, lubricants, scavengers, antiscaling or flow control agents
08/31/2010US7784620 Agglomeration for the treatment of acid mine drainage
08/26/2010WO2010095825A2 Composition for decreasing hardness of water
08/26/2010US20100213405 Composition and process for removal of contaminants from water and wastewater(s)
08/26/2010US20100213116 Anti-scale bag
08/26/2010CA2751964A1 Composition for decreasing hardness of water
08/25/2010EP2221101A1 System and method for softening water for use in a scrubber
08/25/2010CN201560153U Novel purifier for shower
08/25/2010CN201560149U Equipment for preventing circulating water system of thermoelectric plant from scaling and being corroded
08/25/2010CN101811783A Method for preventing long-distance conveyance scale formation of high-concentration wet process phosphoric acid
08/25/2010CN101811000A Reverse osmosis membrane scale inhibitor
08/24/2010USRE41552 Composition for the production of improved pulp
08/24/2010US7780857 for reducing the halogen off-gassing rate (i.e. chlorine off-gassing) with specified amounts of isocyanuric chloride, boric acid and sodium hexametaphosphate in solid water treatment composition for pools, spas, hot tubs, toilets
08/23/2010CA2693632A1 System and method for softening water for use in a scrubber
08/19/2010WO2010094004A2 Inhibitiion of water formed scale in acid conditions
08/19/2010WO2010093164A2 Fluid treatment apparatus for a pipe
08/18/2010CN201553638U Large-sized air separation circulating cooling water device
08/18/2010CN1878728B Flow-through tank for water treatment
08/18/2010CN101808946A Method and apparatus for treating water containing organic matter
08/18/2010CN101805082A Circulating water treatment device with high concentration multiple
08/18/2010CN101805068A Scale inhibition dispersing agent and preparation method thereof
08/18/2010CN101805067A Phosphorus-free green composite corrosion and scale inhibitor
08/18/2010CN101805066A Method and device for preventing scaling of reactor and simultaneously purifying biogas
08/18/2010CN101439910B Cooling water composite scale inhibitor, and preparation and use thereof
08/17/2010CA2530147C Tagged scale inhibiting polymers, compositions comprising the same, and method for preventing or controlling scale formation
08/12/2010WO2010090897A2 Water softener regeneration
08/12/2010WO2010090273A1 Operation management device for a vaporization device, fresh water generator provided with the operation management device, and operation management method and fresh water-generating method for vaporization devices
08/12/2010CA2751598A1 Water softener regeneration
08/11/2010EP2215022A2 Methods of minimizing sulfate scale in oil field
08/11/2010CN101798150A Treatment method of wastewater with high salt content and treatment device thereof
08/11/2010CN101798146A Solid composite sterilizing scale inhibiting agent
08/11/2010CN101381179B Formaldehyde comprehensive utilization method in acidic industrial effluent
08/10/2010US7771600 Methods of utilizing waste waters produced by water purification processing
08/10/2010CA2388273C Bactericidal descaler, particularly for treating drinking water
08/05/2010WO2010088619A1 System and method for water treatment regeneration stage
08/05/2010US20100197545 High alkaline detergent composition with enhanced scale control
08/05/2010US20100193729 Formulation and method for providing safe, clean chlorinated recreational water
08/05/2010DE102009006913A1 Device, useful for softening of water, comprises container for receiving water to be softened, which contains many agglomerate-free nano-composites, where each nano-composite is designed with surface to bind water hardness forming ions
08/05/2010CA2751212A1 System and method for water treatment regeneration stage
08/04/2010EP2213630A1 Method to inhibit scale formation in cooling circuits using carbon dioxide
08/04/2010CN201538724U Nickel-contained wastewater treatment device
08/04/2010CN101796059A An adduct of 1-hydroxyethylidene-l, 1-diphosphonic acid and ethylened iamine disuccinic acid or a salt thereof, a method for its preparation, and the use of said adduct
08/04/2010CN101792504A Methods for preparing and applying modified polyaspartic acid scale inhibitor
08/04/2010CN101792501A Imidazoline derivative prepared by using polyacrylonitrile waste fiber, method for preparing same and application thereof in water treatment
08/03/2010CA2447523C Method for inhibiting calcium salt scale
07/2010
07/29/2010WO2010051437A3 Blended salt composition and method of using
07/29/2010US20100187178 Process for removing and sequestering contaminants from aqueous streams
07/28/2010EP2209746A1 Water re-hardening process and a system therefor
07/28/2010EP2209742A1 Anti-scale bag
07/28/2010CN201534788U 一种带水流速补偿的电解制水机 Electrolysis water machine with a water flow rate of compensation
07/28/2010CN101786733A Propenol itaconic acid sulfonate multipolymer scale inhibiting agent and preparation method thereof
07/28/2010CN101786732A Scale remover and preparation method thereof
07/28/2010CN101786731A Ether-based itaconic acid sulfonate type multi-copolymer scale inhibitor and method for preparing same
07/27/2010US7763698 Composition for preventing or reducing aluminosilicate scale in industrial processes
07/22/2010WO2010083112A1 Composition and method for reducing white rust corrosion in industrial water systems
07/22/2010WO2010082491A1 Inhibitor and method for preventing silica-based scale
07/22/2010US20100183533 Detergent composition
07/22/2010US20100181252 Method and system for purifying a liquid comprising crystal inhibitor recovery
07/21/2010CN101781028A High-efficiency low-phosphorous corrosion and scale inhibition dispersant as well as preparation method and application thereof
07/21/2010CN101781027A High-efficiency non-phosphate corrosion and scale inhibiting dispersing agent and preparation method and application thereof
07/21/2010CN101781026A Detergent and usage thereof
07/21/2010CN101780998A Recycle treatment method for wafer rinse waste liquor
07/21/2010CN101279797B Treatment agent for life drinking water, preparation and application thereof
07/20/2010US7758770 Aqueous mixture of sorbitol, an alkali metal phosphate, and water; self-sustaining non-"mushing" body of NaCl or KCl mixed with the binder; water treatment by contact with a resin regenerated by the salt product
07/15/2010WO2010043359A3 Multi-stage method for water treatment
07/15/2010US20100176060 Method to Inhibit Scale Formation in Cooling Circuits Using Carbon Dioxide
07/14/2010CN101774705A Non-phosphorus and non-nitrogen scaleinhibition dispersing agent and preparing method thereof
07/14/2010CN101774704A Preparation formula for boiler boiling
07/13/2010US7754083 non-porous, hollow fiber devices for carrying out cooling crystallization of inorganic/organic microsolutes/macrosolutes from aqueous or organic solutions that include a solid hollow fiber crystallizer, wherein the crystallizer yields advantageous processing and/or crystal property attributes; high speed
07/12/2010CA2689830A1 Method to inhibit scale formation in cooling circuits using carbon dioxide
07/08/2010WO2009071981A3 Silica inhibition and blowdown evaporation process
07/08/2010US20100171070 PROCESS AND POLYMER FOR PREVENTING Ba/Sr SCALE WITH A DETECTABLE PHOSPHORUS FUNCTIONALITY
07/07/2010CN201522084U Volume-type electric water heater
07/07/2010CN101768268A Method for preparing polyaspartic acid by crystal condensation
07/07/2010CN101768244A Method for synthesizing phosphorus-free corrosion-inhibition scale inhibitor for water treatment from natural products
07/07/2010CN101767885A Phosphorus-free corrosion and scale inhibitor
07/07/2010CN101767884A Formula of boiler descaling agent
07/07/2010CN101767883A Method for synthesizing barium strontium scale inhibitor
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