Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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11/23/2011 | CN102249264A Method for preparing sodium hydroxide and co-producing sodium carbonate and calcium sulfide |
11/23/2011 | CN102249263A Method for preparing sodium hydroxide co-produced with calcium carbonate and sodium sulfide |
11/23/2011 | CN102249198A Method for preparing sodium hyposulfite and sodium iodide by hydrolysis of sodium sulfide waste cinder |
11/23/2011 | CN102249197A Method for converting hydrogen sulfide gas in production of thiofide MTB |
11/23/2011 | CN102247750A Device and method for simultaneously desulfurizing and denitrifying flue gas by ozone catalytic oxidation process |
11/23/2011 | CN102247743A Dehydration method for desorption gas used in desulphurization of flue gas |
11/23/2011 | CN102247740A Multi-stage desorption process for desulfurization solution |
11/23/2011 | CN102247708A Process for treating tail gas of rare earth mineral powder and concentrated sulphuric acid roasting process |
11/23/2011 | CN101830441B Manufacturing equipment and manufacturing process for spherical sulfur granules |
11/23/2011 | CN101380582B Catalyst for selective oxidation of sulfureted hydrogen into elemental sulfur and reaction process thereof |
11/23/2011 | CN101351256B Quench system for metallurgical gases |
11/22/2011 | US8062619 Process and device for desulfurization of a gas, comprising a stage for elimination of sulfur by cooling a gas stream |
11/22/2011 | US8062615 Production of silver sulfate grains using carboxylic acid additives |
11/22/2011 | CA2663131C Gas turbine topping in sulfuric acid manufacture |
11/17/2011 | WO2011116876A3 Device and method for condensing, separating, and storing liquid sulfur in a claus plant |
11/17/2011 | US20110281318 Method and apparatus for treating an off-gas stream |
11/17/2011 | US20110280795 Method and system for recovering sulfur in the thermal stage of a claus reactor |
11/16/2011 | CN202038863U Preparation device of insoluble sulphur |
11/16/2011 | CN102245502A A process for gas sweetening |
11/16/2011 | CN101927982B Isothermal direct oxidization recovery technology of sulfur |
11/16/2011 | CN101885474B Special sulphur combustion furnace for producing bromine by air blowing-out process |
11/16/2011 | CN101781020B Sewage treatment device for synchronically removing sulfur, nitrogen and carbon and for recycling elemental sulfur |
11/16/2011 | CN101397127B Method for purification of coarse sulfur |
11/15/2011 | US8057781 Fabrication method for chalcopyrite powder |
11/10/2011 | WO2011140294A1 Method and apparatus for eliminating pollutants from a gas stream |
11/10/2011 | WO2011139390A2 Energy recovery in manufacture of sulfuric acid |
11/10/2011 | US20110271490 System and method that removes contaminants from sulfur |
11/10/2011 | CA2786074A1 Energy recovery in manufacture of sulfuric acid |
11/09/2011 | CN202030524U Multifunctional rotating tank |
11/08/2011 | US8052953 Method for recovering sulfuric acid from concentrated acid hydrolysate of plant cellulose material |
11/08/2011 | US8052948 CO2 recovery system and CO2 recovery method |
11/08/2011 | US8052935 System and method for removing sulfur from gas stream |
11/03/2011 | WO2011137020A2 Methods and apparatus for sulfur recovery from acid gases |
11/03/2011 | US20110268650 Methods and apparatus for sulfur recovery from acid gases |
11/02/2011 | EP2382155A1 Method for compressing gases containing hydrogen sulfide |
11/02/2011 | EP1347818B1 Method for removing mercury from gas |
11/02/2011 | CN202022749U Acid mixer of acid tank |
11/02/2011 | CN1454851B Synthesizing of magnetite nano particles and method for forming iron-base nano material |
11/02/2011 | CN102229806A Green circular economy technology with coal coking as the main part |
11/02/2011 | CN102229423A High-temperature concentrated sulfuric acid cooler without anodic protection |
11/02/2011 | CN102228776A Method and apparatus for removing sulfur dioxide from sulfuric acid industrial tail gas, and for recovering sulfuric acid |
11/01/2011 | CA2492340C Fission reactor for a claus plant |
10/27/2011 | WO2011131532A2 Method for the manufacture of an ammonium sulfate composition |
10/27/2011 | WO2011095271A3 Method and apparatus for adjusting the concentration of acids or lyes |
10/27/2011 | WO2011091950A3 Process and plant for cooling sulfuric acid |
10/27/2011 | US20110262345 Method for downhole sulfur removal and recovery |
10/27/2011 | US20110262343 Process for preparation of calcium thiosulfate liquid solution from lime, sulfur, and sulfur dioxide |
10/27/2011 | DE102010018172A1 Reprocessing hydrogen sulfide containing gas with formation of sulfuric acid useful e.g. in metallurgy, comprises combusting hydrogen sulfide containing gas with combustion gas, to form sulfur dioxide and water containing process gas |
10/26/2011 | EP2379451A1 Sulphate stabilisation method |
10/26/2011 | CN102227372A Process for selective oxidation of hydrogen sulphide |
10/26/2011 | CN102225749A Start-up method of fluidized bed roaster |
10/26/2011 | CN101891160B Method for directly preparing sulfur trioxide and sulfuric acid from plaster |
10/26/2011 | CN101798068B Sulfide or thiosulfate catalytic air complete oxidation at normal temperature and pressure |
10/26/2011 | CN101792129B Application of II-stage reactor in sulfur recovery industry |
10/26/2011 | CN101698904B Method for extracting sulfide minerals of nonferrous metals and method for recycling sulfur in extracted filtered residues thereof |
10/26/2011 | CN101538021B Method and device for producing concentrated sulfuric acid by recycling waste acid from sulfate process titanium dioxide production |
10/26/2011 | CN101423198B Method for collecting sulfur dust by using low pressure supersaturated steam |
10/25/2011 | US8043597 Process and apparatus for the combustion of sulfur |
10/25/2011 | US8043594 Systems and methods for generating sulfuric acid |
10/23/2011 | CA2737330A1 System for gas purification and recovery with multiple solvents |
10/20/2011 | WO2011129563A2 Method of preparing anhydrous hydrogen fluoride by using sodium aluminum tetrafluoride and reaction device for the same |
10/20/2011 | US20110256044 Method for removing hydrogen sulfide from gaseous stream at normal temperature |
10/19/2011 | EP2377813A1 Method for the manufacture of an ammonium sulfate composition |
10/19/2011 | EP2376374A2 A process for gas sweetening |
10/19/2011 | CN202012673U Conveying pipeline used for producing insoluble sulphur |
10/19/2011 | CN202010506U Improved drying tower for sulfuric acid device |
10/19/2011 | CN102219229A Method for preparing metasilicate nonahydrate and elementary sulfur from waste residuals generated during treatment of sulphuric acid cinder |
10/19/2011 | CN102219191A Recycling method for waste sulfuric acid of dye intermediate product |
10/19/2011 | CN102219190A Catalytic reduction method for phosphogypsum to realize co-production of sulfuric acid and cement |
10/19/2011 | CN101384337B Method for disposal of di-sulphide compounds |
10/13/2011 | WO2011124326A1 Method and device for processing sour gas rich in carbon dioxide in a claus process |
10/13/2011 | US20110250124 Catalyst for the oxidation of so2 to so3 |
10/13/2011 | CA2793638A1 Method and device for processing sour gas rich in carbon dioxide in a claus process |
10/12/2011 | EP1753827B1 Process for preparing dispersible sulfate, preferably barium sulfate nanoparticles |
10/12/2011 | CN202006063U Gas recovery device for SF6 (sulfur fluoride) density relay calibrator |
10/12/2011 | CN102216217A Method and plant for obtaining nh3 from a mixture comprising nh3 and acidic gases |
10/12/2011 | CN102211762A Method for preparing sulfur and processing tail gas by taking ammonium bisulfite as intermediate |
10/12/2011 | CN102210970A Desulfurization recycle unit for flue gas sulfur dioxide |
10/11/2011 | US8034318 Process for preparation of calcium thiosulfate liquid solution from lime, sulfur, and sulfur dioxide |
10/06/2011 | WO2011120647A1 Process for workup of a carbon dioxide-rich gas to be freed of sulfur components |
10/06/2011 | CA2792812A1 Method for the processing of a carbon dioxide-rich gas to be freed from sulphur constituents |
10/05/2011 | CN201999736U Temperature rising system of reactor catalyst bed in sulfuric acid transformation system |
10/05/2011 | CN201999735U Multipoint temperature regulating sulfur recovery cooler |
10/05/2011 | CN201997267U Acid preparing device |
10/05/2011 | CN102205949A Hearth temperature rise method for brimstone furnace |
10/05/2011 | CN102205203A Desulfuration and mercury-removing combined smoke purifying process and system based on magnesium oxide method desulfuration process |
10/05/2011 | CN102205202A Processing method for acid gas containing H2S |
10/05/2011 | CN101792130B Hot-air blowing method for supporting insulator of electrostatic precipitator in pyrite-based sulfuric acid production |
10/05/2011 | CN101709373B Method and system for treating lead-zinc sulfide ores |
09/29/2011 | WO2011116876A2 Device and method for condensing, separating, and storing liquid sulfur in a claus plant |
09/29/2011 | DE102010006541A1 Verfahren und Anlage zur Abkühlung von Säure Method and apparatus for cooling of acid |
09/29/2011 | CA2790595A1 Device and method for condensing, separating, and storing liquid sulfur in a claus plant |
09/28/2011 | EP1684890B1 Method and apparatus for measuring elemental sulfur in gas lines |
09/28/2011 | CN201990489U 管道废酸回收装置 Pipeline spent acid recovery |
09/28/2011 | CN201990488U 一种用于直接焚烧生硫制备二氧化硫的装置 A direct burning of raw sulfur dioxide preparation device for |
09/28/2011 | CN201990487U 一种立式燃硫炉 One kind of vertical burning sulfur furnace |
09/28/2011 | CN201990486U 一种生硫连续直接熔融装置 A continuous direct molten sulfur apparatus Health |
09/28/2011 | CN201990485U 一种硫磺湿法成型装置 One kind of sulfur wet forming apparatus |
09/28/2011 | CN201988211U 一种硫净化回收蒸馏塔用泡罩 One sulfur recovery distillation column purification with blister |
09/28/2011 | CN102199433A Coal carbonization technology with treating CO2 as temperature control component in combustion process |