Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 17 - Sulfur; Compounds thereof
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
12/2010
12/01/2010CN101343039B Method for recycling pure acid from metallic ion containing waste acid and regenerating alkali
12/01/2010CN101287677B Process for the regeneration of sulfuric acid
12/01/2010CN101152958B Process for production of sulfuric acid
12/01/2010CN101143744B Reclamation of ammonium sulfocyanate and ammonium thiosulfate from coke oven gas ammonia liquid phase catalysis waste water
11/2010
11/30/2010US7842272 Sulfuric acid contaminated with by-products of chloromethane scrubbing is regenerated for reuse in the scrubbing process by diluting with water to not lower than about a 55 weight % concentration, heating the diluted acid to boiling, concentrating the acid, oxidizing concentrated H2SO4 with H2O2
11/25/2010WO2009053112A3 Method for providing energy using a mixture, and corresponding system
11/24/2010EP2252548A2 Process for producing sulphur dioxide, a thermochemical system comprising the process and its related apparatuses, use of carbon-based compounds to feed a process for producing sulphur dioxide and its related system
11/24/2010EP1713720B1 Process for the removal of hydrogen sulfide, by means of its oxidation in the presence of hetero polyacids
11/24/2010CN201647995U Cracking furnace of production device for preparing concentrated sulfuric acid by cracking waste sulfuric acid
11/24/2010CN201647994U Spent sulfuric acid spray gun used in production equipment preparing concentrated sulfuric acid from spent sulfuric acid cracking
11/24/2010CN201647993U Sulfur hexafluoride gas recovery and purification device
11/24/2010CN201647992U Steam sulfur melting device
11/24/2010CN201643945U Flue gas desulfurization device
11/24/2010CN201643904U Desorption tower for sulfuric acid manufacturing system
11/24/2010CN101891407A Method for vibrating, fluidizing and decomposing phosphogypsum
11/24/2010CN101891161A Preparation method of ultra-pure sulfuric acid
11/24/2010CN101891160A Method for directly preparing sulfur trioxide and sulfuric acid from plaster
11/24/2010CN101891159A Preparation method of analytically pure sodium thiosulfate
11/23/2010US7837971 contacting solvent with sulfur stream comprising sulfur and contaminant, separating sulfur from contaminant and solvent, thereby producing a decontaminated sulfur stream, contacting decontaminated sulfur with washing agent, and separating sulfur; from natural gas streams
11/23/2010US7837970 catalytically oxidizing SO2 in converter to form SO3-containing process gas, feeding SO3-containing process gas to apparatus for heat recovery, in which steam is generated from feedwater, feeding SO3-containing process gas to an absorber where SO3 is absorbed in sulfuric acid
11/23/2010US7837880 Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
11/18/2010WO2010132180A1 Generation of sulfur trioxide and sulfuric acid
11/18/2010WO2010130791A1 Method for electrolytically decomposing hydrogen sulfide
11/18/2010DE102009020922A1 Use of liquid sulfur containing hydrogen sulfide and polysulfane or chlorine, as heat transfer- and heat storage liquid for transporting and storing of thermal energy, preferably in solar thermal power plants
11/18/2010CA2759498A1 Process for the electrolytic dissociation of hydrogen sulfide
11/17/2010CN201634423U Bayonet-type chute acid-distributing device
11/17/2010CN101885474A Special sulphur combustion furnace for producing bromine by air blowing-out process
11/16/2010US7833509 Method and device for the continuous production of hydrogen sulfide
11/16/2010US7833508 in which hydrogen sulphide is prepared from sulphur and hydrogen exothermically, consists of material which is resistant to reaction mixture at high temperatures; sulfur resistant hydrogenation catalysts
11/16/2010US7833507 Process for the production of sulphuric acid
11/16/2010US7833502 Integrated process for the production of hydrogen from hydrogen sulphide
11/16/2010US7833341 Modified sulphur and product comprising modified sulphur as binder
11/16/2010CA2569539C Process and system for controlling a process gas stream
11/11/2010WO2010067064A3 A process for gas sweetening
11/11/2010US20100284900 Method for recovering sulfuric acid from concentrated acid hydrolysate of plant cellulose material
11/11/2010US20100284899 Generation of sulfur trioxide and sulfuric acid
11/11/2010US20100284880 Proton conducting membrane and method for producing proton conducting membrane
11/10/2010EP2247529A1 Method for obtaining sulfur from input gas comprising h2s
11/10/2010CN201626861U Furnace gas purification and acidic sewage treatment device in acid production from gypsum
11/10/2010CN201626831U Sodium hydrosulfite four-in-one drying tower
11/10/2010CN101880032A Device and method for comprehensively utilizing heat produced by decomposition of phosphorous gypsum in circulating fluid bed
11/10/2010CN101880031A Micro-emulsion method for preparing nano-sulfur particles
11/10/2010CN101492177B Method for reduction and decomposition of phosphogypsum with yellow phosphorus tail gas
11/10/2010CN101456542B Method for reducing and decomposing phosphogypsum by carbon monoxide
11/10/2010CN101343046B Method for preparing sulphuric acid
11/10/2010CN101337684B Method for recovering sulfur and co-producing calcium carbonate from desulphurization gypsum
11/10/2010CN101306885B Resource process method for coking sulfur-containing waste water
11/09/2010US7829189 comprising ZnSSe, ZnSeTe, ZnSTe, CdSSe, CdSeTe, CdSTe, HgSSe, HgSeTe, HgSTe, ZnHgSSe, or ZnHgSeTe nanocrystal particles; organic electroluminescent device; stable, high quantum efficiency and uniform sizes and shapes
11/09/2010US7829059 Rapid synthesis of ternary, binary and multinary chalcogenide nanoparticles
11/04/2010WO2010125897A1 Separation membrane for concentration of sulfuric acid, method for concentration of sulfuric acid, and apparatus for concentration of sulfuric acid
11/04/2010WO2010124671A1 Method for producing process gas for the claus process
11/04/2010US20100278718 Method for making monodisperse silver and silver compound nanocrystals
11/04/2010DE102009018956A1 Producing potassium sulfate from sea saline mother liquor by multistage evaporation in solar ponds, comprises e.g. processing collected salt mixture into a salt mixture that is suitable for potassium sulfate production
11/03/2010EP0985007B2 Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same
11/03/2010CN201621971U Waste heat recovery and heat exchange device of plaster sulfuric acid kiln tail waste gas
11/03/2010CN101875486A Pollution-free production process for preparing acid from pyrite
11/03/2010CN101875485A Preparation method of high content insoluble sulfur
11/03/2010CN101874969A Sulfur particle settling agent used for desulfurization solution in wet oxidization process
11/03/2010CN101445219B Method for recycling waste acid
11/03/2010CN101428769B Method for production of kalium-calcium fertilizer and joint production of sulphuric acid with insoluble kalium-containing rock and phosphogypsum
11/03/2010CN101372381B 3,3'-dichlorobenzidine hydrochloride waste water reclaiming method and apparatus thereof
11/03/2010CN101337661B Method for preparing sodium hydrosulfide
11/02/2010US7824653 Water soluble quantum dots
11/02/2010US7824652 ATS tail gas treating process for SRU and SWS off gases
11/02/2010US7824638 hydrogenation at lower temperatures to provide a savings in reduced fuel gas costs; efficient oxidation of all sulfur compounds H2S, COS, CS2 to so2 in presence of an oxidation catalysts supported on an inorganic support alumina, silica, or alumina-silica; desulfurization; by-product inhibition
11/02/2010US7824524 Heating an aqueous premixture of sulfate (copper sulfater)/sulfuric acid degrees C. and stirring to dissolve; cooling, adding water, vigorously stirring and agitating; rapid pulsation; electroplating dissolved copper onto stainless steel wool, even if no external charge is applied
11/02/2010CA2605520C Configurations and methods for claus plant operation with variable sulfur content
10/2010
10/28/2010WO2010121895A1 Process for producing purified synthesis gas
10/28/2010CA2756139A1 Process for producing purified synthesis gas
10/27/2010EP2242717A1 Doped ceria abrasives with controlled morphology and preparation thereof
10/27/2010CN201614284U 硫铁矿制酸中电除雾器支撑绝缘子热风吹扫装置 Pyrite in the Electric Mist purge hot air support insulators
10/27/2010CN101873991A Process for destroying carbonaceous materials and composition and system thereof
10/27/2010CN101870883A Method for producing sulfur through separation, vulcanization and hydrogen oxidation of circling foam
10/27/2010CN101870493A Method for comprehensively treatment of pyrite and desulphurized gypsum by utilizing coal and system thereof
10/26/2010US7820134 Catalytic oxidation of SO2 to SO3 and absorption of SO3 in sulfuric acid
10/21/2010WO2008074659A3 Novel cascaded power station process and method for producing reversibly usable hydrogen carriers in a corresponding power station process
10/21/2010US20100266483 Process for desulphurization of a gaseous effluent comprising a device for on-line analysis and control
10/20/2010CN201610376U 硫酸干燥塔 Sulfuric acid drying tower
10/20/2010CN201610375U 一种燃硫炉点火辅助装置 One sulfur burning furnace ignition auxiliary means
10/20/2010CN101863572A Method for recycling hydrogen sulfide from sulfur-containing wastewater of tanning industry
10/20/2010CN101863457A Method for preparing low-concentration sulfuric acid and calcium chloride dihydrate by using phosphogypsum
10/20/2010CN101862578A Three-top gas online desulphurization and pressurizing utilization method of atmospheric and vacuum distillation unit
10/20/2010CN101134565B New process for preparing chlorosulfonic acid and equipment thereof
10/19/2010US7815875 Cost efficiency achieved by reaction space shaped geometrically to prevent large-area circulation; promoted gas flow directed in reaction space by lengthwise extension from the inflow opening to the outflow opening; high temperature-resistant materials for walls; no back-mixing cold product; Claus
10/14/2010US20100260662 Group ii metal sulfide phosphor precursor and method for producing phosphor
10/14/2010US20100260659 Bromine-facilitated synthesis of fluoro-sulfur compounds
10/13/2010CN201603518U 一种含硫废气的处理设备 A sulfur-containing exhaust gas processing device
10/13/2010CN201603504U 烟气脱硫系统 FGD systems
10/13/2010CN101857282A Method for selectively absorbing and separating thiocyanates and thiosulfates in water solution
10/13/2010CN101857204A Process and device for purifying sulfuric acid phase in iodine and sulfur cycle under low pressure
10/13/2010CN101857203A Process for comprehensively recycling heavy metal-polluted acid
10/13/2010CN101857202A Purification method of sulfur hexafluoride and equipment thereof
10/13/2010CN101306804B Process for preparing acid from flue gas by calcining molybdenum concentrate in rotary kiln
10/12/2010US7811544 Sulfur recovery process
10/07/2010WO2010114679A1 Method and apparatus to recycle tail gas
10/07/2010WO2010112517A1 Process for producing a purified synthesis gas stream
10/07/2010WO2010112502A1 Process for producing a purified synthesis gas stream
10/07/2010WO2010112501A1 Process for producing purified synthesis gas
10/07/2010WO2010112500A1 Process for producing a purified synthesis gas stream
10/07/2010US20100254889 Method for producing sulfuric acid
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