Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
09/2009
09/23/2009CN101538060A Method for producing light calcium carbonate and coproducing hydrogen sulfide by using crude calcium sulfide
09/23/2009CN101538023A Processing method for titanium pigment waste acid
09/23/2009CN101538022A Method for recycling sulfurous iron ore acid-making waste heat
09/23/2009CN101538021A Method and device for producing concentrated sulfuric acid by recycling waste acid from sulfate process titanium dioxide production
09/22/2009US7591990 Processes for preparing chalcopyrite-type compounds and other inorganic compounds
09/17/2009WO2009039379A3 Process for destroying carbonaceous materials and composition and system thereof
09/16/2009EP2099711A1 Process for the production of sulfuric acid
09/16/2009CN101531346A Method for converting and decomposing gypsum to produce sulfuric acid
09/16/2009CN100540462C Process and plant for the manufacture of sulphuric acid from gases rich in sulphur dioxide
09/16/2009CN100540461C Process and plant for producing sulfuric acid
09/15/2009CA2297106C Method for producing polysulfides by electrolytic oxidation
09/11/2009WO2009111585A1 Process for catalytic tail gas incineration
09/10/2009US20090226364 Process for treating acid gas in staged furnaces with inter-stage heat recovery and inter-stage sulfur production
09/10/2009US20090226363 treating an H2S/SO2 mixture for producing liquid sulfur by heating mixture containing H2S/SO2, catalytically reacting heated mixture converting gaseous sulfur contained in the exiting mixture into liquid sulfur, while operating as close as possible to the dew point of the sulfur
09/10/2009US20090226362 atomization sprays
09/10/2009US20090226351 Supercritical Oxidation Process for the Treatment of Corrosive Materials
09/09/2009CN201305463Y Waste acid or waste alkali recovery device for automatic diffusion dialysis industry
09/09/2009CN201305462Y Concentrated sulphuric acid storage tank dehydrator
09/09/2009CN201305461Y Steam cooling tower
09/09/2009CN101526318A Thin-tube-plate segment anodic protection stainless steel shell-and-tube concentrated sulfuric acid cooling tower
09/09/2009CN101525187A Method for concentrating titanium pigment waste acid
09/09/2009CN100537416C Treatment technology of producing sulfuric acid from alkylated spent sulfuric acid through high temperature decomposition
09/08/2009US7585460 susceptible to thiobacillus, by putting said materials in contact with soluble inorganic salts such as sodium chloride (NaCl); for safe storage of sulfur recovered from the desulfuration of fossil fuels
09/03/2009WO2009108218A2 Novel sulfur recovery plant
09/03/2009US20090220423 Method of activating a photosensitizer
09/03/2009US20090220402 Novel sulfur recovery plant
09/02/2009CN201301226Y A wire mesh demister with seal baffle
09/02/2009CN201301225Y Sulfur dioxide recovery unit
09/02/2009CN101522562A Process for disposal of mercaptans
09/02/2009CN101519193A Acid preparing method by coal gas wet oxidation and desulfurization
09/02/2009CN101519192A Low temperature Claus sulfur recovery process and device therefor
09/02/2009CN100534896C Method of utilizing waste heat after boiling furnace in sulfuric acid production
09/01/2009US7582543 Liquid-liquid interfacial synthetic method for nanosemiconductor luminous material
09/01/2009US7582271 Scrubbing gas stream with hydrogen peroxide solution and removing by-product stream containing sulfuric acid, oxidizing to convert nitric oxide to nitrogen dioxide, removing by-product stream of nitric acid; reducing nitrogen oxides, sulfur oxides, and mercury emissions
09/01/2009US7582134 first phase as a disperse metallic phase that is dispersed on a support of the second material phase selected from carbides, borides and nitrides, metal oxides, glass; ultrasonic transducers underlying and ultrasonically energizing a reservoir of liquid feed) which forms droplets of aerosol
09/01/2009CA2429837C Method for removing mercury from gas
09/01/2009CA2309422C Hydrogen sulfide removal process
08/2009
08/27/2009WO2009103895A2 Method for oxidising h2s into sulphur using a catalyst carried by a porous sic foam
08/26/2009EP1773730A4 Method and apparatus for pretreatment of polymeric materials
08/26/2009CN101516772A Transportation of sulphur from solid sulphur deposits, in blocks of large dimensions
08/26/2009CN101516766A Hydrogen production method
08/26/2009CN101514059A Method for purifying treatment of industrial effluent containing sulfureted hydrogen and ammonia
08/26/2009CN101513993A Method using magnesium sulphate to produce sulphuric acid
08/26/2009CN100532590C Method for producing fine iron sand powder by using ferro-sulphur ore as raw material and equipment thereof
08/26/2009CN100532250C Process for the high efficiency recovery of sulfur from an acid gas stream
08/25/2009US7578985 Method for direct oxidation of hydrogen sulfide to elemental sulfur at low temperatures
08/25/2009CA2445139C Method for treating hydrogen sulfide-containing waste gases
08/20/2009WO2009100740A1 Method for obtaining sulfur from input gas comprising h2s
08/20/2009DE102008008769A1 Verfahren zum Gewinnen von Schwefel aus H2S enthaltendem Einsatzgas A process for recovering sulfur from H2S-containing feed gas
08/19/2009CN101508447A Method for processing phosphogypsum
08/19/2009CN101507895A Large flue gas desulfurization dust-removal system
08/19/2009CN100530806C Sulfide material as solid electrolyte for lithium ion cell and its preparing method
08/19/2009CN100528786C Reducing agent for the soluble chromate content of cement and methods for the production thereof
08/19/2009CN100528752C Method for reclaiming lignin and alkali from boiling black liquor
08/18/2009US7575734 Process for preparing dispersible sulfate, preferably barium sulfate nanoparticles
08/18/2009US7575732 removing hydrogen sulfide from a hydrocarbon gas, with a scrub solution of ammonium bisulfite and ammonium sulfite to produce an effluent liquid ammonium thiosulfate and an overhead gas carbon dioxide; control the pH, desulfurization; cost efficiency; air pollution control
08/18/2009US7575629 Pollutant emission control sorbents and methods of manufacture
08/18/2009CA2555722C In situ sulphur remelter
08/13/2009WO2009098212A2 Method for producing nanostructures with chalcogen elements, particularly so-called one-dimensional or 1d nanostructures
08/13/2009WO2009098017A1 Doped ceria abrasives with controlled morphology and preparation thereof
08/13/2009US20090202424 blend of calcium polysulfide and sodium polysulfide that can be prepared using various types, sources and ratios of lime, elemental sulfur and sulfide ion using either virgin or waste materials; reagent can be used to precipitate metals from wastewater, stabilize hexavalent chrome in hazardous waste
08/12/2009CN201287023Y Sulfur lifting tower for processing waste gas containing sulfide and separation net in the same
08/12/2009CN101503203A Method for decomposing ammonia sulfate and method for reclaiming sulfuric acid from waste acid and acid wastewater
08/12/2009CN101503183A Preparation of sulphuric acid
08/12/2009CN100526215C Method for preparing (NH4)2WS4
08/12/2009CN100526214C Process for preparing sulfur dioxide by roasting troilite in circulating fluidized bed
08/11/2009US7572429 fuel is processed at lower temperatures with sulfur-resistant materials in order to break down all the heavy hydrocarbons into methane, carbon oxides, while capturing the sulfur simultaneously, resulting feed is passed to a methane reforming system to generate additional hydrogen without S poisining
08/11/2009CA2561455C Improved configurations and methods for effluent gas treatment
08/11/2009CA2375195C Process for producing a lithium transition metal sulphide
08/11/2009CA2272962C Method for manufacturing sulfuric acid
08/06/2009DE102005022164B4 Vorrichtung und Verfahren zum Betrieb der Vorrichtung zur kontinuierlichen Rückgewinnung von Schwefel aus H2S enthaltendem Gas Apparatus and method for operating the apparatus for continuously recovering sulfur from H2S-containing gas
08/05/2009CN201284232Y Apparatus for directly and continuously producing insoluble sulfur
08/05/2009CN101497453A Method for preparing ammonium magnesium sulfate hexahydrate from giobertite
08/05/2009CN100522860C Method for producing cement and vitriol from desulfurized gesso of flue gas
08/05/2009CN100522801C Sulfur hexafluoride reclaiming and recharging device
08/04/2009US7569194 transferring heat energy from a waste heat source to a processing unit, using pump-free closed hydrostatic flow steam or water system; for alkanolamine regeneration unit using an amine reboiler
07/2009
07/30/2009WO2009067088A3 A process of making metal chalcogenide particles
07/30/2009WO2009065485A3 Process and plant for producing sulfuric acid
07/29/2009EP2081671A1 Gas converter
07/29/2009CN201280431Y Apparatus for producing sulfuric acid and cement by gypsum
07/29/2009CN101495404A Method for the catalytic oxidation of sulfide to sulfate
07/29/2009CN101492154A Method for economically recycling sulphur dioxide from low-concentration or non-continuity flue gas to produce sulphuric acid
07/28/2009US7566435 Nanowires and method for making the same
07/28/2009CA2275469C Partial combustion of hydrogen sulphide
07/23/2009WO2009009118A3 Hydrogen generator, carbon dioxide and sulfate captor
07/22/2009EP2079661A2 Method for generating micronized sulphur
07/22/2009EP2079546A2 Metal-rich siliceous compositions and methods of producing same
07/22/2009EP1135356B1 Method of producing acid fluorides from acid chlorides
07/22/2009CN201276420Y Acid and water mixer with nozzle
07/22/2009CN101489922A Process and installation for concentrating waste sulphuric acids from nitration processes
07/22/2009CN101486448A Method for recovering and utilizing titanium dioxide waste acid
07/22/2009CN101486447A Method for preparing insoluble sulfur and common sulfur powder by gasification continuous one-step water method
07/22/2009CN100515929C Cinder processing method in acid preparing process from pyrite ore
07/21/2009US7563430 combining a hydrazine-based Ge Se metal chalcogen cluster single source precursor and a surfactant in a solution; and heating the solution to a temperature effective to decompose the hydrazine-based inorganic metal chalcogen single source precursor and form the colloidal metal chalcogenide nanoparticle
07/16/2009US20090178512 Process for liberating metals using direct production of leach grade acid solutions
07/15/2009EP2077974A2 Hydrogen production method
07/15/2009CN101481100A Comprehensive utilization method of sulphonation waste acid from sulphonation contraposition ester production process
07/15/2009CN101481099A Comprehensive utilization method of sulphonation waste acid
07/15/2009CN101481098A Method for processing sulphonation waste acid from reactive dye production
07/15/2009CN101481097A Method for processing waste acid from sulphonation ester production
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