Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
04/2013
04/10/2013CN103030116A Method for treating and recycling waste sulfuric acid in acid dye synthesis
04/10/2013CN103030115A United acid manufacturing method by utilizing sulfuretted hydrogen and sulphur
04/10/2013CN103028326A Method for treating waste in process of producing sulfuric acid from calcium sulfate
04/10/2013CN102336396B Continuous heat transfer sulfur dioxide conversion process
04/10/2013CN102303848B Method for exchanging heat between high-temperature process gas and low-temperature process gas in acid production process
04/10/2013CN102153053B Methods for purifying and comprehensively utilizing hydrogen sulfide byproduct during production of carbon disulfide by methane method
04/10/2013CN102031533B Waste heat utilization device used in production of sulfur hexafluoride and heat circulation method
04/10/2013CA2791874A1 Systems and methods that integrate a sulphur cycle into a hydrocarbon refinement process to exploit petroleum coke, and related systems and methods of transporting and storing sulphur and carbon dioxide by-products
04/09/2013US8414862 Preparation of CZTS and its analogs in ionic liquids
04/04/2013WO2013045558A1 Sulphuric acid production with recycle of desulphurized gas
04/04/2013WO2013044937A1 Sulphuric acid production with recycle of desulphurized gas
04/04/2013CA2843208A1 Sulphuric acid production with recycle of desulphurized gas
04/03/2013CN202849065U Production device for preparing high-purity sulfuric acid solvent for para-aramid spinning
04/03/2013CN202849064U Sulfuric acid purifying device and system thereof
04/03/2013CN202849063U Absorption system for sulfuric acid production
04/03/2013CN202849062U Water-sealed floating plate for preventing carbon disulfide from leaking
04/03/2013CN202844880U Processing system for removing hydrogen sulfide from acidic gas
04/03/2013CN202844829U Integrated acid gas sulfur recovery and treatment device
04/03/2013CN103025652A Method and apparatus for adjusting the concentration of acids or lyes
04/03/2013CN103011272A Method for concentrating and purifying titanium dioxide waste acid by using complex acid
04/03/2013CN103011093A Device and method for removing siloxane in dilute sulfuric acid
04/03/2013CN103011092A Technique for preparing sulfuric acid from SO2 by non-equilibrium state high-concentration twice conversion
04/03/2013CN103011091A Method for co-producing sulfuric acid, cement and carbonated lime bricks by use of acid leaching manganese residues and sulfur-containing slag
04/03/2013CN103011090A Method for producing sulfur by using pyrolysis-reducing united technique
04/03/2013CN103007704A Method for degrading ammonium thiosulfate in desulfurated mother liquor by sintering flue-gas ammonia process
04/03/2013CN102424366B Titanium white waste sulfuric acid concentration method solving scaling and blocking of single-effect heat exchanger
04/03/2013CN102351153B Method for producing sodium bisulfide products by viscose fiber industrial waste gas
04/03/2013CN102145878B Method for continuously preparing poly-sulphur
04/02/2013US8409541 Process for producing a copper thiometallate or a selenometallate material
04/02/2013CA2617610C Polyalkyleneacrylamide salt for acid gas scrubbing process
04/01/2013CA2802885A1 Efficient system for producing sulfuric acid using a spray tower
03/2013
03/28/2013WO2013044104A1 Configurations and methods of treatment of sulfur-containing vent gases
03/28/2013WO2013043626A1 Sulfur containing silica particle
03/27/2013EP2572774A1 CO2 recovery using the SURE process
03/27/2013CN202829582U Reagent sulfuric acid purifying and heating device
03/27/2013CN202829581U Reagent sulfuric acid production device
03/27/2013CN202829580U Proportioning device for sulfuric acid production
03/27/2013CN202829579U Device capable of producing sulfur dioxide with sulfur slag
03/27/2013CN202829578U Sulfur monochloride gas condensing unit
03/27/2013CN202829577U Sulphur powder collecting device
03/27/2013CN202829576U Liquid sulfur pool lining structure
03/27/2013CN202829575U Sulfur recycling device
03/27/2013CN202823176U Cyclic utilization system for oxidation liquid generated in presensitized plate production
03/27/2013CN202823087U Tail gas recovery device of sulfur hexafluoride gas testing instrument
03/27/2013CN102994776A Method for coproducing sulfuric acid, cement and zinc oxide powder by using low-grade zinc oxide ore and lead-zinc tailings
03/27/2013CN102994187A Selective desulfurizing agent
03/27/2013CN102992526A Method for removing zinc and acid from zinc electrolyzing waste water
03/27/2013CN102992514A Treatment and recovery process for high-sulfur and high-salt pesticide wastewater
03/27/2013CN102992469A Method for treating sodium sulfide waste water
03/27/2013CN102992354A Treatment technology for waste water generated in scorch retarder production process
03/27/2013CN102992279A Equipment for producing sulfuric acid through calcium sulfate
03/27/2013CN102992278A Method for producing sulfuric acid from calcium sulfate
03/27/2013CN102992277A Method for producing sulfuric acid by using pyrite concentrate and acid-leaching electrolytic manganese residues
03/27/2013CN102992276A Method for recovery and purification of sulfoxide chloride in acyl chloride production
03/27/2013CN102989289A Methane wet desulphurization device capable of recycling sulphur
03/27/2013CN102989272A Method and device for synchronously removing sulfur dioxide and nitric oxide by flue gas biological method
03/27/2013CN102351156B Sulfuric acid plant production device without discharge of tail gas and process method therefor
03/27/2013CN102229806B Green circular economy technology with coal coking as the main part
03/27/2013CN102125802B Method for recovering and purifying waste gas during crude benzene hydrogenation refining production
03/21/2013US20130071315 Configurations and methods of treatment of sulfur-containing vent gases
03/21/2013US20130071314 Process for producing hydrogen, sulfur and sulfur dioxide from hydrogen sulfide-containing gas streams
03/20/2013CN202808360U Device for producing sulfuric acid and calcium oxide by using calcium sulfate
03/20/2013CN202808359U Conversion preheating device for sulfuric acid production
03/20/2013CN202808358U Double-stage isothermal oxidizing and sulfur-producing device
03/20/2013CN102976286A Method for preparing thiourea dioxide solution with strong reducing property under weak alkali condition and at room temperature
03/20/2013CN102976285A Method for preparing sulfuric acid from desulfurized gypsum in secondary lead smelting process as raw material
03/20/2013CN102976284A Initiating furnace waste heat reutilization method
03/20/2013CN102976283A Sulfuric acid plant conversion waste heat recycling process
03/20/2013CN102976282A Insoluble sulfur efficient stabilizer and preparation method thereof
03/20/2013CN102976281A Method for preparing insoluble sulfur
03/20/2013CN102976280A Method and device for removing H2S through cyclone of liquid sulfur from sulfur recovery unit
03/20/2013CN102976279A Method for extracting sulfur and inorganic salt from wet-desulfurization waste sulfur paste
03/20/2013CN102974372A Arseniasis and fluorosis durable catalyst for preparing sulphuric acid from sulfur dioxide oxidation, and preparation method thereof
03/20/2013CN102974371A Wide temperature and caesium-adding catalyst for preparing sulphuric acid from sulfur dioxide oxidation, and preparation method thereof
03/20/2013CN102974339A Vanadium catalyst for sulphuric acid production from powdery vanadium pentoxide, and preparation method thereof
03/20/2013CN101891407B Method for vibrating, fluidizing and decomposing phosphogypsum
03/20/2013CN101468792B Novel technique for producing sulfur from industrial waste gypsum
03/19/2013USRE44080 Sulfur additives for paving binders and manufacturing methods
03/14/2013CA2841705A1 Packed tower
03/13/2013CN202786152U Gas selective oxidation desulphurization device
03/13/2013CN202785653U Titanium dioxide waste acid purification and pretreatment device
03/13/2013CN202785652U Titanium white waste acid purification treatment device
03/13/2013CN202785651U Device for purifying ultra-clean and high-purity sulfuric acid
03/13/2013CN202785650U Receiving box with cooling water jacket
03/13/2013CN202785649U Calcination device for co-production of cement and sulfuric acid from industrial by-product gypsum
03/13/2013CN202785648U Converter for producing sulphuric acid
03/13/2013CN202785647U Production system of liquid sulfur dioxide
03/13/2013CN202785646U Hydrogen sulfide generator for hydrogen sulfide production
03/13/2013CN202785645U Cleaning treatment device for desulfurizing agent
03/13/2013CN202778263U System for recovering sulfur dioxide in smoke
03/13/2013CN202778232U Novel sulfur decafluoride pyrolyzing device
03/13/2013CN102966971A Ignition operation method of sulfur-producing combustion furnace for sulfur recovery
03/13/2013CN102963960A Method for simultaneously recycling sulfuric acid and organic substances in m-cresol production wastewater
03/13/2013CN102961949A Gas absorption apparatus
03/13/2013CN102417166B Insoluble sulphur vacuum mixer charging cylinder
03/13/2013CN102068882B Method and process for separating water content from SO2 gas in the sulfuric acid producing process
03/13/2013CN102000497B Thiophilic bacteria bio-enzyme deodorization method and application thereof
03/07/2013WO2013030494A1 Staged combustion of combustible sulphur-containing effluents with recovery of the sulphur in the claus process
03/07/2013US20130058854 Process and apparatus for sulphuric acid production
03/07/2013CA2846246A1 Staged combustion of combustible sulphur-containing effluents with recovery of the sulphur in the claus process
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