Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
05/2006
05/03/2006EP1289923B1 Epithelial cell cancer drug
05/02/2006US7037485 Steam methane reforming method
05/02/2006US7037482 Solvent extraction of a halide from a aqueous sulphate solution
05/02/2006US7037451 Forming the abrasive silica*alumina particles in the aerosol stream, heating; use for chemical mechanical polishing integrated circuit; fine particles coupling with coatings by silanes, narrow particle size distribution, unagglomerated
05/02/2006US7036461 Waste-heat boiler for a Clause plant
05/02/2006CA2214417C Process and device for treating a gas containing hydrogen sulphide and sulphur dioxide comprising a phase for eliminating sulphur phase by cooling of the off-gas
04/2006
04/27/2006WO2005092788A3 A process for the high recovery efficiency of sulfur from an acid gas stream
04/26/2006EP1648840A1 Reducing agent for the soluble chromate content of cement and methods for the production thereof
04/26/2006EP1648818A1 Reusable apparatus for gas generation
04/26/2006CN2775028Y Sulfuric acid drying absorbing tower
04/26/2006CN1762794A Separation and recovery process of elemental sulfur and desulfuration liquid from sulfur foam
04/25/2006US7034193 Method for purifying spent acid
04/25/2006US7033952 Apparatus and method using a remote RF energized plasma for processing semiconductor wafers
04/25/2006US7033570 High temperature thermal dissociation reactions requiring rapid- heating and short residence times using solar energy. In carrying out high temperature thermal reactions such as dissociation of hydrocarbon containing gases and hydrogen
04/25/2006US7033565 Using aqueous solution; absorption, desorption
04/25/2006CA2248129C Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, method for the preparation of such catalyst, and method for the selective oxidation of sulfur compounds to elemental sulfur
04/20/2006WO2006041684A2 Process for sulfur removal suitable for treating high-pressure gas streams
04/20/2006CA2582136A1 Process for sulfur removal suitable for treating high-pressure gas streams
04/19/2006EP1646442A1 Method for removing hydrogen sulphide and other acidic gas components from pressurised technical gases
04/19/2006EP1523664A4 System and method for mass flow detection device calibration
04/19/2006CN1760118A Method for preparing fine rare earth sulfoxides
04/19/2006CN1760117A Method for recovering vitriol from waste vitrol containing metal salt
04/19/2006CN1760116A Method and equipment for recovering waste vitriol produced in fabricating pole plates of lead-acid accumulator
04/19/2006CN1252465C Ageing progress testing method in insoluble sulfur preparing process
04/19/2006CN1251966C System for recycling spent sulfuric acid, method for recycling sulfuric acid waste, and recycled sulfuric acid
04/19/2006CN1251965C Preparation of high-concentration surlfuric acid using hydrogen sulfide contained acidic gas
04/18/2006US7029639 Desulfurizing a flue gas containing sulfur oxides through contact with a porous carbon material provided in a desulfurization tower and desulfurization is performed while a nitrogen oxide (NO2) gas is fed into the tower
04/18/2006US7029519 System and method for gas recycling incorporating gas-insulated electric device
04/18/2006CA2214424C Process and device for treating a gas containing hydrogen sulphide and sulphur dioxide comprising a phase for reducing sulphur in the recycled solvent
04/13/2006US20060078491 Removing hydrogen sulfide from a gas by reacting it with stoichiometric excess of sulfur dioxide to produce a gas free of hydrogen sulfide and containing from 0.01 to 1 vol. % sulfur dioxide; an acid-gas absorber/stripper system is not needed
04/12/2006EP1644286A2 Process for recovering sulphur from a gas stream containing hydrogen sulphide
04/12/2006CN2771178Y Concentrated sulfuric acid regenerating device
04/12/2006CN1757592A Method for preparing purified acid from waste-acid after benzene refinery
04/06/2006WO2006036819A2 Method and system for increasing efficiency of fgd operation in fossil fuel boilers
04/06/2006WO2005037709A3 Controlled chemical aerosol flow synthesis of nanometer-sized particles and other nanometer-sized products
04/06/2006US20060071165 Bulk synthesis of long nanotubes of transition metal chalcogenides
04/05/2006EP1642864A2 Process for the production of sulfur
04/05/2006CN2769807Y Orifice corrugated pipe heat exchanger
04/04/2006US7022469 Silver halide photographic light-sensitive material
04/04/2006US7022261 Forming an aqueous solution containing soluble precursors of a sulfur-containing phosphor; generating an aerosol of droplets from above solution, heating droplets to form a particulate intermediate compound capable of being post-treated to form said sulfur-containing phosphor powder
03/2006
03/30/2006US20060067875 Removing hydrogen sulfide, mercaptans and carbon dioxide from hydrocarbon gas wherein supplied to an absorption plant with a solvent which selectively absorbs hydrogen sulfide; desulfurization; claus process
03/29/2006EP1639252A2 Method for processing stack gas emissions
03/29/2006EP1639144A2 Method for recovering at least one metallic element like cesium from ore
03/29/2006EP1392874B1 A novel porous sulpha sponge iron compound, a process for preparing the same and a method for desulphurizing natural gas therewith
03/29/2006EP1089939A4 Method of processing sulfur-containing materials derived from flue gas desulfurization or other sources
03/29/2006CN1751984A Treatment technology of producing sulfuric acid from alkylated spent sulfuric acid through high temperature decomposition
03/28/2006US7018606 Method and apparatus for producing inorganic fullerene-like nanoparticles
03/28/2006US7018605 Sulfidation reaction control method
03/28/2006US7018604 Chalogenides; heat and chemical resistance; protonation glass, ceramic
03/28/2006US7018603 Reacting transition metal sulfide with lithium sulfide in solvent comprising molten lithium fluoride; for production of batteries
03/23/2006US20060062719 Process for preparing so2f2 and so2clf
03/22/2006CN1750808A Precipitated calcium carbonate
03/22/2006CN1749155A Liquid-liquid extraction processing method for waste sulfuric acid containing acetochloral and trichloroacetic acid
03/22/2006CN1749154A Method for preparing sulfuric acid by using sulfur from gas turbine
03/22/2006CN1246501C Method for simultaneous electrochemical production of sodium dithionite and sodium bisulfate peroxide
03/21/2006US7014833 Process and apparatus for catalytic distillations
03/21/2006US7014831 removal of contaminant sulfur dioxide and/or sulfuryl chloride fluoride with aluminum oxide adsorbent which can be activated; activated carbon free
03/21/2006US7014753 Salt chlorine generator
03/16/2006US20060057056 Process and installation for the treatment of DSO
03/15/2006EP1456123A4 Method of recovering sulfurous components in a sulfur-recovery process
03/15/2006CN2764761Y Low temperature heat energy recovery apparatus in sulfuric acid preparing system
03/14/2006US7011806 Spray drying process for producing anhydrous alkali sulfide
03/09/2006US20060051275 Apparatus and catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream
03/08/2006CN1745035A Apparatus recycling spent sulfuric acid
03/08/2006CN1244393C Moving-bed active coke desulfurating and sulfur reutilization method
03/02/2006WO2006023206A2 One-pot synthesis of high-quality metal chalcogenide nanocrystals without precursor injection
03/01/2006EP1628734A1 Method for purifying spent acid
03/01/2006CN1740090A Low temperature heat energy recovering method and system for the first absorption section in sulfuric acid production
03/01/2006CN1243643C Pyrolysis heater for cracking hydrocarbon and operating method thereof
02/2006
02/28/2006US7005115 Gas combustion treatment method and apparatus therefor
02/28/2006US7005085 Composite oxide; fine particle size; generating aerosols, heating to remove liquid, coating surfaces
02/28/2006US7004994 Method for making a film from silver-containing particles
02/23/2006US20060039850 Method for manufacturing metal sulfide nanocrystals using thiol compound as sulfur precursor
02/22/2006CN1736869A Production of high concentration composite fertilizer from heavy soda and diamide
02/16/2006WO2005069804A3 Process for the catalytic partial oxidation of h2s using staged addition of oxygen
02/16/2006WO2005009579A3 Sulfur trap sealing device
02/15/2006CN2758235Y Drum type liquid sulfur drying shaping machine
02/15/2006CN1241830C Method for preparing insoluble sulphur
02/14/2006US6998100 Sulfur oxide sorption with layered chlorite-type contact solids
02/08/2006EP1334310B1 Burner and method for partly oxidising a gas stream comprising hydrogen sulphide and ammonia
02/08/2006CN1732041A Methods and apparatus for heat treatment in a fluidised bed
02/08/2006CN1730384A Material charging method for preparing sodium hydrosulfite
02/07/2006US6994802 includes phosphors having a small particle size, narrow particle size distribution, spherical morphology and good crystallinity; utilized in cathode ray tube (CRT) screens for televisions and similar devices
02/07/2006US6993934 Dental glass powders
02/02/2006WO2006012172A2 Method and apparatus for pretreatment of polymeric materials
02/01/2006EP1542924B1 Method for purifying hydrogen sulphide on porous supports
02/01/2006CN1239396C Synthesis method of cadmium sulfide nano rod
02/01/2006CN1239382C Metallic sulfide and producing process thereof
01/2006
01/31/2006US6991771 NOx, Hg, and SO2 removal using ammonia
01/31/2006US6991754 Method for making composite particles including a polymer phase
01/26/2006WO2006008378A1 Method for processing aqueous media containing metal nitrate or sulphate salts
01/26/2006WO2005028362A3 Method for the purification of sulphuric acids
01/25/2006EP1618067A2 Process for the treatment of waste or gaseous streams
01/25/2006EP1421043A4 A process for manufacturing potassium sulfate fertilizer and other metal sulfates
01/25/2006CN1724339A Process of industrialize for waste acid concentrition recovering used in titanium white production by sulfuric acid method
01/25/2006CN1724338A Process for producing industrial sulfuric acid using phosphorus gypsum as raw material
01/25/2006CN1238246C Adjustable sulfuric acid conversion heat-exchange process
01/25/2006CN1238245C Purifying method for sodium hydrosulfide
01/19/2006US20060014292 In the Claus process for recovering sulfur from a process gas stream containing hydrogen sulfide, providing an improved feed back control process and system which are both accurate and relatively fast as compared with conventional control systems
01/19/2006DE19625538B4 Verfahren und Anlage zur Herstellung von Zement und Schwefelsäure Process and apparatus for the production of cement and sulfuric acid
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