Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
05/2013
05/09/2013US20130115159 Energy recovery in manufacture of sulfuric acid
05/08/2013CN202925079U Indirect heat exchange device of sulfuric acid and nickel smelting workshop
05/08/2013CN202924731U Internal heat exchange-type converter
05/08/2013CN202924730U Inner floating ball type sulfur sealing tank
05/08/2013CN103097299A Substituted tin niobium oxide pigments
05/08/2013CN103088210A Method for selectively leaching nickel and molybdenum from nickel-molybdenum ore
05/08/2013CN103086329A Method for producing electronic-grade sulfuric acid through falling film crystallization
05/08/2013CN103086328A Formation acid recovery method and facility and method for recycling formation acid with facility
05/08/2013CN103084044A Device for preparing sulfuric acid used for adjusting circulating cooling water by utilizing boiler stove smoke
05/08/2013CN102431974B Oxygen-enriched combustion poly-generation process and equipment for steam injection boiler in oil field
05/08/2013CN101410328B Reaction vessel for the production of hydrogen sulphide
05/02/2013US20130108541 Process for directly producing sulfur trioxide and sulfuric acid using gypsum as raw material
05/01/2013CN202912922U Carbon-lan gas desulphurization equipment
05/01/2013CN202912695U Water feeder for sulfuric acid absorption tower
05/01/2013CN202912694U Dry-method slag discharging system in process of preparing acid with pyrite
05/01/2013CN202912693U Utilization system for tailings in sulfuric acid preparation
05/01/2013CN202912692U Tube type concentrated sulfuric acid distributor of drying and absorption tower
05/01/2013CN202912691U Liquid sulfur collector for sulfur recovery device
05/01/2013CN202909617U Multistage oxidation and reduction reactor
05/01/2013CN103079993A Methods and apparatus for sulfur recovery from acid gases
05/01/2013CN103079682A Integrated biogas cleaning system to remove water, siloxanes, sulfur, oxygen, chlorides and volatile organic compounds
05/01/2013CN103074122A Semi-coke coal gas wet desulfurization process comprising procedure of front detarring
05/01/2013CN103073131A Process for treating amantadine bromination waste water and mineral acid and alkali recycling through bipolar membrane electrodialysis process
05/01/2013CN103073125A Method for using acidolysis nickel laterite ore wastewater
05/01/2013CN103072957A Technology for preparing sulfuric acid
05/01/2013CN103072956A Flue gas processing method and system
05/01/2013CN103072955A Method for producing sulphuric acid by utilizing calcium sulphate
05/01/2013CN103072954A Method for producing colourless sulphuric acid by utilizing calcium sulfate
05/01/2013CN103072953A Method for directly preparing sulfate and ferric oxide by ferrous sulfate
05/01/2013CN103072952A Method for preparing high-purity sulfuric acid
05/01/2013CN103072951A Equipment and process for producing sulphuric acid by utilizing calcium sulphate
05/01/2013CN103072950A Method for extracting high-purity sodium thiocyanate and sodium thiosulfate in gas desulfurization waste salt
05/01/2013CN103072949A Method for preparing calcium sulfide through reductive decomposition of phosphogypsum by fluidized bed
05/01/2013CN103071806A Preparation method of water-soluble nanoparticles
05/01/2013CN103071359A Method for reducing sulfur dioxide discharge of acid making system using exhaust gas of sintering machine
05/01/2013CN102303883B Method for preparing calcium oxide and sulfur by double-atmosphere fluidized roasting of desulfurated gypsum
05/01/2013CN102267778B Resource method of waste liquid from coke oven gas desulphurization and decyanation
05/01/2013CN101468793B Method for producing nano particle with lamination structure
04/2013
04/30/2013US8431106 Method for generating micronized sulphur
04/30/2013US8431105 Method for producing process gas for the claus process
04/30/2013CA2545084C Process for the recovery of sulphur from gaseous streams containing hydrogen sulphide and apparatus for its embodiment
04/24/2013CN202898055U Device for heating air through sulfur dioxide residual heat
04/24/2013CN202898025U Sulfuric acid purification device
04/24/2013CN202898024U Anti-corrosive device for SO2 gas recovery pipeline
04/24/2013CN202898023U Technology and device for sulfuric acid production
04/24/2013CN202898022U Novel graphite cooler for solving diluting and cooling of concentrated sulfuric acid
04/24/2013CN202898021U Centralized control type sulfur hexafluoride gas purification treatment device
04/24/2013CN202898020U Insoluble sulfur production device with flat filter layer
04/24/2013CN202893174U Desulfuration device for tail gas produced by sulfuric acid
04/24/2013CN103068727A Hydrogen sulfide synthesis reactor, device for producing hydrogen sulfide, device for producing sodium bisulfide, and methods thereof
04/24/2013CN103058442A Method for processing secondary salt in desulphurization waste liquid
04/24/2013CN103058227A Process and device for recovering sodium sulphide wastewater in barium sulphate production
04/24/2013CN103058150A Producing method of sulfuric acid by using calcium sulfate under high temperature and high pressure
04/24/2013CN103058149A Method for producing sulfuric acid by using gypsum
04/24/2013CN103058148A Method for producing high-concentration sulfuric acid by using calcium sulfate
04/24/2013CN103058147A Absorption device and method for producing sulfur trioxide by using gypsum
04/24/2013CN103058146A Method for recycling residues of sodium dithionite
04/24/2013CN103058145A Method of producing sulfur dioxide by using gypsum
04/24/2013CN103055834A Regeneration method for spent ferric oxide desulfurizer
04/24/2013CN102320579B Technical method for preparing sulfuric acid from hydrogen sulfide
04/24/2013CN102153228B Method for treating wet magnesium desulfuration wastewater
04/24/2013CN101628197B Gas purification by adsorption of hydrogen sulfide
04/24/2013CN101583562B A cold-walled vessel process for compounding, homogenizing and consolidating semiconductor compounds
04/23/2013US8425874 Process for the production of sulfur from sulfur dioxide with tail gas recycle
04/23/2013US8425783 System and method that removes contaminants from sulfur
04/17/2013EP2580166A1 Thiosulfate removal methods and systems
04/17/2013EP2580163A1 Substituted tin niobium oxide pigments
04/17/2013EP2580157A1 Method for converting metal comprising silicate minerals into silicon compounds and metal compounds
04/17/2013CN202880884U Sulfuric acid concentrating and cooling recovering device
04/17/2013CN202880883U Quasi isothermal venturi heat energy replacement converter
04/17/2013CN202880882U Full-automatic frequency conversion regulating and controlling device applicable to sulfuric acid production
04/17/2013CN202880881U Horizontal quasi isothermal converter
04/17/2013CN202880880U Pipeline distribution of SF6 (Sulfur Hexafluoride) gas recycling device
04/17/2013CN202880879U Sodium sulfide recovery and reutilization system in sulfurized isobutylene production wastewater
04/17/2013CN202880878U Equipment for preparing sulfur from sulfur steam
04/17/2013CN202876404U Hollow quartz glass interlayer heat exchange shell tube
04/17/2013CN202876403U Quartz glass waste dilute sulfuric acid concentration, distillation and purification device
04/17/2013CN103045289A Comprehensive treatment method of liquid hydrocarbon alkali residue waste liquid
04/17/2013CN103045288A Comprehensive treatment method of high-sulphur high-COD (Chemical Oxygen Demand) caustic sludge waste liquid
04/17/2013CN103043627A Device for producing sulfuric acid from calcium sulfate
04/17/2013CN103043626A Horizontal quasi isothermal converter
04/17/2013CN103043625A Method for preparing sulfuric acid by blending combustion of sulfur waste and ferrous sulfate waste
04/17/2013CN103043624A Device for producing sulfuric acid by using gypsum
04/17/2013CN103043623A Device for producing sulfuric acid by using gypsum
04/17/2013CN103043622A Equipment and process for producing sulfuric acid by using calcium sulfate with high temperature and high pressure
04/17/2013CN103043621A Equipment and technique for producing sulfur dioxide by using gypsum
04/17/2013CN103043620A Method for recycling tail gas during thionyl chloride preparation
04/17/2013CN103043619A Double-fluid quenching device
04/17/2013CN103043618A Purification method of crude sulfur
04/17/2013CN103041679A Waste gas treatment system of acid gas containing ammonia
04/17/2013CN102367168B Method and apparatus for decomposing gypsum with plasma
04/11/2013WO2013052497A2 Sulfur containing silica particle
04/10/2013EP2576436A2 Process and apparatus for sulphuric acid production
04/10/2013EP2576014A1 Flow control method and apparatus for a continuous multiple zone mass transfer
04/10/2013CN202864918U Waste gas treatment system of acid gas
04/10/2013CN202864917U Sulfur burner
04/10/2013CN202864916U Hydrogen sulfide synthesis reactor, hydrogen sulfide manufacturing device and sodium hydrosulfide manufacturing device
04/10/2013CN202864915U Sulfur recovery and tail gas treatment device
04/10/2013CN103030164A Technique and apparatus for producing calcium oxide from calcium sulfate
04/10/2013CN103030117A Recovering technology for waste acid
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