Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
07/2008
07/24/2008CA2674554A1 Process and apparatus for continuously preparing hydrogen sulfide
07/24/2008CA2674276A1 Reactor and process for preparing hydrogen sulfide
07/24/2008CA2673756A1 A method for producing hydrogen and sulphuric acid
07/23/2008CN201089724Y Sulfur spray gun nozzle
07/23/2008CN201089723Y Sulfur spray gun body
07/23/2008CN201089722Y Device for preparing sulfur hexafluoride
07/23/2008CN101224875A Method for reclaiming sulfuric acid from vanadium-containing stone coal oxygen pressure acid drench
07/23/2008CN101224874A Method for producing sulfuric acid with by-product of calcium sulfate under low temperature
07/23/2008CN101224443A Multipurpose use method for pyrites mineral
07/23/2008CN100404108C Method for preparing desulfurizer magnesium oxide and sulfur dioxide utilizing desulfurizing by-product magnesium sulfite by magnesium process
07/22/2008US7402547 Systems and methods of producing a crude product
07/22/2008CA2253768C Generation of boron trifluoride and sulphuric acid from boron trifluoride hydrate
07/16/2008CN101222976A Process and plant for the condensation of sulfur trioxide from hot starting gases
07/16/2008CN101219778A Process for manufacturing metallic sulfide powder
07/16/2008CN100402430C Method and technology of producing precipitated barium sulphate using white carbon black waste liquor
07/09/2008EP1940739A2 Controlled preparation of nanoparticle materials
07/09/2008EP1940738A2 Ruthenium oxide catalysts for conversion of sulfur dioxide to sulfur trioxide
07/09/2008CN101215007A Method for separating sulfur in manganese oxides preparation process
07/09/2008CN101214931A Concentrating and impurity removing method for dilute sulfuric acid in titanium dioxide powder production process by employing sulfuric acid process
07/09/2008CN101214930A Method for producing sodium hydrosulfite and coproducing lignin sodium sulphonate from residual liquid thereof
07/09/2008CN101214929A Active small molecule coupling nano elemental sulfur sol and preparation method thereof
07/09/2008CN100400413C Method for preparing low-iror anhydrous sodium sulfide by one-step reduction of Glauber salt from coke oven gas
07/09/2008CN100400412C Technical method of sulfur iodine open circuit circulation hydrogen manufacture and its equipment
07/08/2008US7396522 Catalyst useful for removal of hydrogen sulphide from gas stream and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst
07/08/2008CA2310120C Method for direct oxidation in sulphur, by catalytic process and in vapour phase, of low content h2s in a gas
07/03/2008US20080157031 Nucleation of PbCl2 SeCl2, TeCl2, S in a furnace forming nanowires of PbSe, PbTe and PbS
07/02/2008CN201080434Y Multi- tower type sulfuric acid low temperature thermal energy recovery device
07/01/2008US7393516 Combining and heating a chalcogen in powder form, a group 13-15 element (especially boron) and a metal or metal compound (metal oxide); boron chalcogenides are formed as intermediates and subsequently oxided to B2O3
07/01/2008US7393513 System and process for treating sulfur
06/2008
06/26/2008WO2008074811A1 Process and apparatus for coating pulverulent material and coated material and use thereof
06/25/2008EP1934137A1 Process for the regeneration of sulfuric acid
06/25/2008CN201077842Y Sugar manufacturing industry high efficiency immediate contact type electrical heating sulphur melting groove
06/25/2008CN201077764Y Reactor for conversing sulfide/sulphates into SO2
06/25/2008CN201077651Y Conveyor belt used for sodium sulfide pelletization
06/25/2008CN100396598C Process for producing sodium formate using liquid sulfur dioxide and sodium pyrosulfite
06/19/2008WO2007065765A8 Process for producing a purified gas stream
06/19/2008US20080145305 Process for the removal of metals using an open framework chalcogenide
06/19/2008US20080145290 catalytic oxidation of sulfur dioxide to sulfur trioxide with a understoichiometric O2 content, namely a volumetric ratio SO2/O2 of more than 2.67:1 in presence of V2O5 oxidation catalyst, can be operated continuously when the starting gas has an SO2 content of more than 16 vol-%
06/18/2008CN201074185Y Novel sulfur melting kettle
06/18/2008CN101200777A Method and equipment for continuous smelting of lead sulphide concentrate
06/18/2008CN101200336A Process for zero-discharge treatment of o-phenylenediamine sodium sulfide reduction wastewater
06/18/2008CN101200288A Low temperature process for regenerating spent sulfuric acid
06/18/2008CN100395225C Method for deprivig sulfur dioxide in solution of citrate
06/18/2008CN100395024C Regeneration method capable of preparing desulfurizer of sulfur from regeneration gas of desulfurizer
06/12/2008WO2008003297B1 Method and system for concentrating metal sulfate-containing sulfuric acid
06/12/2008CA2670501A1 Decomposition of waste products formed in slurry catalyst synthesis
06/11/2008EP1732679A4 Mixed metal oxide sorbents
06/11/2008CN201071303Y Device for concentrating dilute sulphuric acid by using tail gas in sulfuric acid manufacture
06/11/2008CN201071302Y Sodium sulfuret solution evaporating concentration device
06/11/2008CN101195740A New purpose of alkaline earth metal sulfate
06/11/2008CN100393611C Process of condensing sulfuric acid vapor for producing sulfuric acid
06/10/2008US7384611 pollution control apparatus used for treating exhaust gases from desulfurization
06/10/2008US7384447 Coated nickel-containing powders, methods and apparatus for producing such powders and devices fabricated from same
06/05/2008WO2008064698A1 Process for the production of sulfuric acid
06/04/2008EP1639252A4 Method for processing stack gas emissions
06/04/2008CN201068401Y Automatic alkali-adding device for acid production line from sulfur
06/04/2008CN201068400Y Device for producing insoluble sulfur
06/04/2008CN101193692A Device and method for operating a device for continuously recovering a sulphur from an H2S-containing gas
06/04/2008CN101193690A Treatment of fuel gas
06/03/2008US7381393 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
06/03/2008US7381243 Contacting with a mixed metal oxide adsorbent including: iron and manganese oxide; nickel oxide and titanium oxide; palladium oxide and cerium oxide; or vanadium oxides; adsorbents selected to be complimentary to each other; activation and regeneration
05/2008
05/29/2008US20080124268 monodisperse nanostructure particles comprising metals or metal oxides, formed by reacting metal compounds with reducing agents in the presence of surface stabilizer agents; particles that can form electroconductive, semiconductive or electroluminescent films
05/28/2008EP1924526A2 Process and apparatus for the selective partial oxidation of hydrogen sulfide in a hydrocarbon-containing stream
05/28/2008CN101189107A System for production of solid modified sulfur products
05/28/2008CN101186282A Method for reclaiming waste sulfuric acid in hard anode oxidation process
05/28/2008CN101186281A Method for reducing phosphogypsum decomposition temperature in process of preparing sulfuric acid from phosphogypsum
05/28/2008CN101186280A Method for preparing sodium sulfhydrate from hydrogen sulfide tail gas
05/28/2008CN101186279A Reclamation of sodium sulfide from NaGaO2 solution
05/28/2008CN101186278A Method for preparing sulfur and sulfur dioxide from sulfur dyes waste water
05/27/2008US7378068 Electrochemical process for decomposition of hydrogen sulfide and production of sulfur
05/21/2008EP1922394A1 Process for the removal in continuous of hydrogen sulfide from gaseous streams
05/21/2008EP1922389A1 Absorbent composition containing molecules with a hindered amine and a metal sulfonate, phosphonate or carboxylate structure for acid gas scrubbing process
05/21/2008EP1922287A1 Process for preparing methyl mercaptan
05/21/2008CN101182973A High-temperature concentrated sulfuric acid cooling method
05/21/2008CN100389520C Method for removing sodium ion from recovered nickle sulfate solution of waste nickle-hydrogen and nickle-cadmium
05/20/2008US7374742 producing a sweet gas stream from a sour gas stream in presence of a catalyst which does not comprise activated carbon, at high pressure and moderate temperatures; adsorption, electrochemical oxidation, and membrane filtration
05/20/2008US7374604 System and method for flue gas treatment
05/15/2008WO2008057783A1 Method of removing dispersed sulfur from sulfur-containing fluids
05/15/2008WO2008057086A1 Method for energy recovery from hydrogen sulfide
05/15/2008US20080113257 Membrane electrode assemblies for use in fuel cells
05/15/2008US20080112878 Homogeneously mixing solid particles of S, Se,Te and during the mixing, imparting kinetic energy to the particle mixture, heating the particle mixture, alloying the elements
05/15/2008DE10394037B4 Verfahren zur Herstellung einer Metallsulfidschicht A process for producing a metal sulfide layer
05/15/2008CA2669471A1 Metal-rich siliceous compositions and methods of producing same
05/14/2008EP1919610A1 Polyalkyleneimines and polyalkyleneacrylamide salt for acid gas scrubbing process
05/14/2008CN201058813Y Insoluble sulfur processor
05/14/2008CN101177339A Reducer for reducing dissolubility chromate content in cement and manufacturing method thereof
05/14/2008CN101177248A Method for recovering sulfuric acid during the production process of benzene sulfochloride
05/14/2008CN100387684C Method of high sulfure coal refining oil and recovering sulfur
05/14/2008CN100387513C Method for preparation of cathion type bird's nest type metal cluster compound molecule functional material
05/13/2008US7371307 Oxidizing green liquor with lime and manganese dioxide then holding resulting white liquor at controlled temperature to increase levels of activated polysulfide form as determined by ultraviolet radiation adsorption; minimizing degradation of cellulose and hemicellulose
05/08/2008WO2008052649A1 Process and apparatus for the catalytic oxidation of so2-containing gases by means of oxygen
05/08/2008WO2008052325A1 A method and system for recovering sulphur from gas streams
05/08/2008CA2668059A1 Process and apparatus for the catalytic oxidation of so2-containing gases by means of oxygen
05/07/2008EP1918248A2 Provision of H2O2 from sulphuric acid which is produced from the sulphur residue during combustion of fossil fuels, and utilisation of H2O2 as an energy carrier
05/07/2008CN201056489Y Sulfuric acid conversion system
05/07/2008CN101172643A Method of producing cadmium sulfide nano-stick array
05/07/2008CN101172583A Technique for producing sulphuric acid and cement clinker with wet calcium sulphate
05/07/2008CN101172582A Method for producing sulphuric acid and cement clinker by calcium sulphate decomposition
05/07/2008CN100386888C Light emitting element and light emitting device using this
05/06/2008CA2277678C Nox species removal from sulfur dioxide containing gases
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