Patents
Sitemap › C02 - Treatment of water, waste water, sewage, or sludge › C02F - Treatment of water, waste water, sewage, or sludge › C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632)
09/2012
09/12/2012CN102659253A Dual-system water processor with an intelligent sensing wall hanging stove
09/12/2012CN101395426B Method of water treatment in steam plant
09/07/2012WO2012117287A1 Sequestering agents
09/05/2012EP2493815A1 Thermal desalination
09/05/2012CN202415275U Household reverse osmosis water purifier without concentrated water discharge
09/05/2012CN202415269U Backwash pipeline filter
09/05/2012CN202415268U Scale preventing and removing energy-saving device of solar water heater
09/05/2012CN202410534U Integrated medicine feeding equipment
09/05/2012CN1900124B Modified polysaccharides
09/05/2012CN102139968B High-efficiency low-phosphorous corrosion inhibition antisludging agent as well as preparation method and application thereof
09/05/2012CN102052757B Purifying type quick-heating electric water boiler
09/05/2012CN101941763B Treatment control system of high-power and high-frequency electromagnetic anti-scaling water and control method thereof
08/2012
08/30/2012WO2012114953A1 Antiscalant and scale inhibition method for reverse osmosis membranes
08/30/2012CA2828183A1 Method and system for injecting rf signal into a fluid-containing system
08/29/2012DE202012007498U1 Kalkschutzgranulat integriert in einem zylindrischen Filter Kalkschutzgranulat integrated into a cylindrical filter
08/29/2012DE202012004233U1 Entkalker-Kartusche für Wasserarmaturen Descaler cartridge for water fittings
08/29/2012CN202400907U Direct-current voltage circuit and blockage, relieving, descaling and algae removing device applying circuit
08/29/2012CN102652115A Process for treating water in heavy oil production using coated heat exchange units
08/29/2012CN102649605A Scale inhibitor for soda ash mother liquid
08/29/2012CN102649604A Composite scale inhibitor for high-hardness water
08/29/2012CN101680682B Heat pump-type hot-water supply device
08/29/2012CN101353194B Liquid medicine injection apparatus
08/28/2012CA2472285C Water treatment apparatus and method
08/23/2012WO2012112583A2 A method of preventing scale formation during enhanced oil recovery
08/23/2012US20120211419 Resin for precipitation of minerals and salts, methods of manufacture and uses thereof
08/23/2012DE202012006599U1 Magnetischer Ein- und Mehrkammernverwirbler Magnetic inputs and Mehrkammernverwirbler
08/22/2012EP2488458A2 Cooling system comprising a bio-filter and method for operating said system
08/22/2012CN202391401U Integrated flooding synergy protector
08/22/2012CN102643425A Method for synthetizing polyaspartic acid by microwaves in ionic liquid
08/22/2012CN102642935A Scale inhibitor for wet desulphurization system
08/22/2012CN102642934A Phosphorus-free environment-friendly carbon steel composite corrosion inhibitor by using seawater circulating cooling water as well as preparation and use methods thereof
08/22/2012CN102108111B Polyitaconic acid and preparation method thereof
08/15/2012EP2487138A1 Water treatment device and water heater
08/15/2012CN202379813U Tap water scale eliminator
08/15/2012CN102635707A Multifunctional water softening valve
08/15/2012CN102633665A Preparation method of hydroxyalkyl amide type hard water softening agent
08/15/2012CN102633374A Novel corrosion and scale inhibitor applicable to natural gas heating furnace
08/15/2012CN102633373A Composite-type water quality protective agent for household heating system
08/15/2012CN102633372A Phosphate-free copper alloy composite corrosion inhibitor for seawater circulating cooling water, and preparation and using methods of phosphate-free copper alloy composite corrosion inhibitor
08/15/2012CN102633371A Full-automatic boiler feedwater oxygenating device and full-automatic boiler feedwater oxygenating method
08/15/2012CN101865809B Physical scale inhibition method
08/15/2012CA2768190A1 Methods and apparatus for struvite recovery using upstream co2 injection
08/15/2012CA2768185A1 Methods and apparatus for struvite recovery using upstream phosphate injection
08/14/2012US8241503 Enhanced high water recovery membrane process
08/09/2012WO2012104325A1 Low molecular mass, phosphorus-containing polyacrylic acids and use thereof as scale inhibitors in water-carrying systems
08/09/2012US20120199783 Low molecular weight phosphorus-containing polyacrylic acids and use thereof as scale inhibitors in water-carrying systems
08/09/2012CA2824904A1 Low molecular weight phosphorus-containing polyacrylic acids and use thereof as scale inhibitors in water-carrying systems
08/08/2012EP2484684A1 Reactive phosphonates
08/08/2012CN202369459U Seawater desalting system
08/08/2012CN102627359A Phosphorus-free composite corrosion and scale inhibitor containing natural biodegradable substances
08/08/2012CN102627358A Adjustable-frequency electromagnetic descaling instrument
08/08/2012CN102206008B Small-flow electromagnetic water quality treatment device
08/07/2012US8236736 Oil-based insulating packer fluid
08/07/2012CA2537808C Use of cerium salts to inhibit manganese deposition in water systems
08/01/2012CN102621939A Industrial boiler water quality on-line monitoring and intelligent control apparatus and method thereof
08/01/2012CN102616962A Deep stage treatment method for industrial wastewater
08/01/2012CN102616947A Preparation method for composite scale inhibitor
08/01/2012CN102616946A Biodegradable corrosion and scale inhibitor epoxy succinic acid copolymer and its preparation method
08/01/2012CN102616945A Preparation method for composite oilfield water scale inhibitor
08/01/2012CN102616944A Civil scale prevention and scale removing device and pipeline connecting structure of civil scale prevention and scale removing device
08/01/2012CN102616943A Magnetization, anti-scaling and scale removing treater for flowing water
07/2012
07/25/2012EP2479148A1 Method for reducing the flushing costs of drainage systems
07/25/2012EP1424311B1 Method of multi-stage reverse osmosis treatment
07/25/2012CN202346850U Novel water purifying system
07/25/2012CN202346841U Water softening mechanism for heavy oil fired steam boiler
07/25/2012CN102603086A Corrosion and scale inhibitor for cooling water in petrochemical industry
07/25/2012CN102603085A Water feeding and oxygen adding process for power station boiler
07/25/2012CN102250352B Method for catalytic synthesis of polyaspartic acid by using imidazole type ionic liquid
07/25/2012CN102126796B Boiler water treatment composite medicament
07/25/2012CN102079584B Non-phosphorus scale and corrosion inhibitor, and preparation method and applications thereof
07/25/2012CN102030420B Phosphorus-free boiler water treating agent
07/25/2012CN101704588B Iron- and manganese-containing water scale inhibition and dispersion agent
07/19/2012WO2012094816A1 Phosphorous-free corrosion and scale inhibitor and synthesis thereof
07/18/2012EP2054423B1 Alpha-amino acid phosphonic acid compounds, method of preparation and use thereof
07/18/2012CN202337714U 一种取水水处理成套化装置 A complete set of equipment water treatment
07/18/2012CN202337697U 一种循环水自动加药装置 A circular water automatic dosing device
07/18/2012CN102585196A Synthetic method for polyepoxysuccinic acid serving as scale and corrosion inhibitor
07/18/2012CN102585195A Preparation method of polyepoxysuccinic acid
07/18/2012CN102585068A Preparation method of hydrolyzed polymaleic anhydride
07/18/2012CN102583792A Method for preparing composite industrial circulating cooling water scale inhibitor
07/18/2012CN102583791A Alkaline composite water treatment agent and preparation method thereof
07/18/2012CN102583790A Composite corrosion and scale inhibition agent used for circulating cooling water of reclaimed water and preparation method thereof
07/18/2012CN102583789A Composite corrosion and scale inhibitor
07/18/2012CN102583788A Silicon phosphate alkali preparation anticorrosive antiscale agent
07/18/2012CN102583787A Copolymer anti-scaling agent containing sulfonyl and poly-carboxyl and preparation method thereof
07/18/2012CN102583786A NJTJ series central air conditioner water treatment disinfectant formula
07/18/2012CN102583785A Circulating cooling water corrosion inhibitor, and preparation and application thereof
07/18/2012CN102583784A Hard water softener
07/18/2012CN102583783A High-flow water quality magnetization antiscale descaling treatment device
07/18/2012CN102583668A Scale and corrosion prevention device for inner wall of aqueous medium circulating system
07/18/2012CN102578088A Compound agent with effects of sterilization, corrosion inhibition and scale inhibition
07/18/2012CN102225809B Ascorbic acid phosphorus-free corrosion and scale inhibitor, and preparation method thereof
07/18/2012CN102153211B Industrial scale removal method
07/18/2012CN101973612B Reactive compound multi-functional water treatment agent and preparation method and application method thereof
07/18/2012CN101838058B Scale inhibitor of ethylene device process water system and using method thereof
07/18/2012CN101616872B Hot water unit
07/18/2012CN101544431B Process for treating mine water in high efficiency
07/18/2012CN101379000B Control of the thickening of silicate-containing aqueous systems
07/17/2012CA2418012C Method and composition for cleaning and maintaining water delivery systems
07/17/2012CA2264619C Method and apparatus for high efficiency reverse osmosis operation
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