| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 07/15/2009 | CN101481096A Technological process for producing sulphuric acid from waste gypsum and carbon dioxide and implementing membrane coupled reactor thereof |
| 07/15/2009 | CN101481095A Process for recovering and utilizing sulfuric acid manufacture energy |
| 07/15/2009 | CN101481094A Process for preparing sulfuric acid by sulfurated hydrogen stepwise reaction |
| 07/15/2009 | CN101481093A Method for recovery of CO2 from gas streams |
| 07/15/2009 | CN101481092A Method for recovery of CO2 from gas streams |
| 07/15/2009 | CN101481091A Method for recycling and purifying elemental sulfur from flue gas biological desulphurization sludge |
| 07/14/2009 | US7560409 Photo-oxidation catalysts |
| 07/14/2009 | US7560088 Compact sulfur recovery plant and process |
| 07/09/2009 | US20090175774 Hydrate inhibition test loop |
| 07/08/2009 | CN201268580Y Catalyst machine for sulfuric acid manufacture converter |
| 07/08/2009 | CN101475147A Dilute sulphuric acid concentration method and system |
| 07/07/2009 | CA2459680C Solvent extraction of a halide from an aqueous sulphate solution |
| 07/02/2009 | WO2009082200A1 Method for the separation of sour gas |
| 07/01/2009 | EP1986765B1 Method for disposal of di-sulphide compounds |
| 07/01/2009 | CN201264905Y Waste acid concentrating apparatus |
| 07/01/2009 | CN201264904Y Heating device of sulfur melting setting bath |
| 07/01/2009 | CN101468794A Method for sustaining low concentration sulfuric dioxide acid making water balance in high altitude area |
| 07/01/2009 | CN101468793A Method for producing nano particle with lamination structure |
| 07/01/2009 | CN101468792A Novel technique for producing sulfur from industrial waste gypsum |
| 06/30/2009 | US7553473 Treating with aqueous acid solution containing trivalent iron and hetero polyacid; oxidation, filtering, recycling; Claus process; industrial scale |
| 06/30/2009 | US7553433 Producing large quantities of a high quality, dense aerosol for spray pyrolysis operations; multi-phase small particles for use in manufacturing electrically-conductive metallic films for electronic products; powder coatings for thick films |
| 06/25/2009 | WO2009049085A3 Coal fired flue gas treatment and process |
| 06/25/2009 | US20090162270 Process for dissolving sulfur ore using diaryl disulfide |
| 06/25/2009 | US20090158895 titanium double salt is precipitated from solution containing high proportion of polyvalent cation, especially Fe(II) and Fe(III) at high yield and high selectivity to produce product of high titanium to polyvalent cations ratio; production of titanium products from low-grade-stream solution of titanium |
| 06/24/2009 | EP1355719B1 Short contact time catalytic sulfur recovery system for removing h2s from a waste gas stream |
| 06/24/2009 | CN201261720Y Integrated apparatus for utilizing phosphogypsum decomposition circulating fluid bed residual heat |
| 06/24/2009 | CN101462700A Automatic acid preparing system and control method |
| 06/24/2009 | CN101462699A Catalytic reduction method for decomposing phosphogypsum by high-sulphur coal |
| 06/24/2009 | CN101462698A Industrial method for cyclic utilization of ironmaking production desulfurized gypsum and blast furnace gas |
| 06/24/2009 | CN100503429C Method and equipment for purifying sulfur continuously from slag of sulfur |
| 06/23/2009 | US7550132 Process for the production of sulfur, starting from the hydrogen sulphide contained in the natural gas, or in the associated gas and possible disposal of the thus obtained sulfur |
| 06/18/2009 | WO2009013728A8 Chemical process to produce hydrogen chloride and chloride-free compound potassium sulfate fertilizers or other metal sulfates |
| 06/18/2009 | US20090156697 Catalyst compositions and methods for alcohol production from synthesis gas |
| 06/17/2009 | EP2069233A1 Gas turbine topping in sulfuric acid manufacture |
| 06/17/2009 | EP1776316A4 Improving the generation of active polysulphide |
| 06/17/2009 | CN201258251Y Air pressure sulphur foam treatment apparatus |
| 06/17/2009 | CN101456542A Method for reducing and decomposing phosphogypsum by carbon monoxide |
| 06/17/2009 | CN101456541A Selecting and packing method of catalyst for sulphur recovery |
| 06/17/2009 | CN101456540A Liquid sulfur pool high temperature resistant and corrosion proof structure and construction method thereof |
| 06/17/2009 | CN100500552C Method for treating waste acid produced from titanium dioxide production using vitriol method |
| 06/11/2009 | WO2008151758A3 Process and apparatus for mixing gases |
| 06/10/2009 | CN201254457Y Apparatus for decomposing phosphogypsum to produce sulphuric acid, generating electricity power and cement with quiescent state reduction |
| 06/10/2009 | CN101453020A Method for synthesis of carbon-coated redox materials with controlled size |
| 06/10/2009 | CN101450794A Recovery and utilization method of waste sulfuric acid in wet smelting acid making system |
| 06/10/2009 | CN100497165C Sulfur prepared by coal gas wet-type oxidation desulfurization process and device for preparing sulfuric acid from waste liquor |
| 06/10/2009 | CN100497164C Multistage rectification process for high-purity thionyl chloride |
| 06/10/2009 | CN100497163C Compound alkali metal hydrate dissolvent synthesis method for metallic sulfide nano crystal material |
| 06/09/2009 | US7544344 Process for recovering sulphur from a gas stream containing hydrogen sulphide |
| 06/09/2009 | CA2364242C Method for producing polysulfides by means of electrolytic oxidation |
| 06/09/2009 | CA2284445C Process and device for treating a gas containing hydrogen sulphide and sulphur dioxide, including a process for eliminating solid by-products |
| 06/04/2009 | DE102007058144A1 Producing sulfuric acid from a gas containing sulfur dioxide comprises catalytically oxidizing the sulfur dioxide in a converter to obtain sulfur trioxide and absorbing the sulfur trioxide in concentrated sulfuric acid in absorber |
| 05/28/2009 | WO2009067088A2 A process of making metal chalcogenide particles |
| 05/28/2009 | WO2009065485A2 Process and plant for producing sulfuric acid |
| 05/28/2009 | US20090136414 Method for downhole sulfur removal and recovery |
| 05/27/2009 | EP2061722A1 Process for producing ammonia and sulfuric acid from a stream comprising ammonium sulfate |
| 05/27/2009 | EP2061718A1 Transportation of sulphur from solid sulphur deposits, in blocks of large dimensions |
| 05/27/2009 | CN201245628Y Sulfur foam desulfurizer |
| 05/27/2009 | CN201244434Y Continuous sulfur molten pot |
| 05/27/2009 | CN101439880A Production process for coproduction of iron oxide red and concentrated sulfuric acid |
| 05/27/2009 | CN100491238C Method and device for synthesizing chlorosulfonic acid from liquid sulphur trioxide |
| 05/26/2009 | US7537749 Method for processing iron-laden spent sulfuric acid |
| 05/26/2009 | CA2406436C Materials and method for the biological production of sulfuric acid |
| 05/22/2009 | WO2008052649A8 Process and apparatus for the catalytic oxidation of so2-containing gases by means of oxygen |
| 05/22/2009 | WO2007032850A3 Process and apparatus for the selective partial oxidation of hydrogen sulfide in a hydrocarbon-containing stream |
| 05/21/2009 | US20090130474 Scavenger for aldehyde(s) and a manufacturing method of a woody panel using the same |
| 05/21/2009 | US20090130016 Doped thermionic cathode and method of making doped thermionic cathode |
| 05/21/2009 | US20090130013 Methods and systems for enhancing mercury, selenium and heavy metal removal from flue gas |
| 05/21/2009 | US20090126882 Generation of active polysulphide |
| 05/20/2009 | CN201240849Y Sulfuric dioxide generation apparatus for producing sodium thiosulfate |
| 05/20/2009 | CN201240848Y Multifunctional pot for producing insoluble sulfur |
| 05/20/2009 | CN201240839Y Recovery device for mixed waste gas of hydrogen chloride and sulfuric dioxide in lipoic acid production |
| 05/20/2009 | CN101434390A Method for producing calcium carbide and sulphuric acid using industry by-product gypsum |
| 05/20/2009 | CN100489424C Gas recovery of sulphur hexafluoride |
| 05/20/2009 | CN100488870C Preparation method of oil-filled insoluble sulphur |
| 05/20/2009 | CN100488605C A catalyst useful for H2S removal from gas stream, preparation method thereof and use thereof |
| 05/19/2009 | US7534413 Providing a residue material containing at least 1 wt. % selenium oxyanions; adding reagents to form a clay-like material having a TCLP leachability of selenium that is less than 10 mg/L that is suitable for landfill disposal, reagents consisting of portland cement, lime and aluminum sulfate |
| 05/19/2009 | CA2388543C Process for the removal of sulphur compounds from gases |
| 05/14/2009 | WO2009060022A1 Method for producing sulfuric acid |
| 05/14/2009 | US20090123360 Inorganic hydrogen compounds |
| 05/14/2009 | US20090123356 Inorganic hydrogen compounds |
| 05/14/2009 | DE102007054211A1 Verfahren zur Chemikalien-Rückgewinnung aus Abwasser mit oxidativer Vorbehandlung Method for chemical recovery from wastewater with oxidative pretreatment |
| 05/14/2009 | DE102007054209A1 Verfahren zur Chemikalien-Rückgewinnung aus Abwasser Method for chemical recovery from wastewater |
| 05/14/2009 | DE102007054207A1 Zweistufiges Verfahren zur Chemikalien-Rückgewinnung aus Abwasser Two-stage process for chemical recovery from wastewater |
| 05/13/2009 | CN101432229A Production of silver sulfate grains |
| 05/13/2009 | CN101428769A Method for production of kalium-calcium fertilizer and joint production of sulphuric acid with insoluble kalium-containing rock and phosphogypsum |
| 05/13/2009 | CN101428768A Method for reutilization of sulphuric acid tail gas sulphur dioxide of phosphor chemical industry |
| 05/13/2009 | CN101428767A Process for producing calcium sulfide with phosphogypsum or other gypsums |
| 05/13/2009 | CN101428766A Extraction of sulfur from flue gas desulfurization waste slag slurry with solvent method |
| 05/13/2009 | CN100487142C Method of extracting valuable element from waste water and waste slag |
| 05/12/2009 | US7531159 Method for extracting H2S from sour gas |
| 05/12/2009 | US7531135 In the Claus process for recovering sulfur from a process gas stream containing hydrogen sulfide, providing an improved feed back control process and system which are both accurate and relatively fast as compared with conventional control systems |
| 05/12/2009 | US7531108 Fine particle sizes; narrow particle size distribution; display devices and lighting elements; printed on explosives or ammunitions; currency; printed on confidential documentation |
| 05/12/2009 | CA2302673C High efficiency process for recovering sulfur from h2s-bearing gas |
| 05/07/2009 | WO2009058678A1 Process and apparatus for treating a gas containing a contaminant |
| 05/07/2009 | WO2007002140A3 A cold-walled vessel process for compounding, homogenizing and consolidating semiconductor compounds |
| 05/07/2009 | US20090117027 Method of Carrying Out a Reaction in a Microreaction Chamber |
| 05/07/2009 | CA2703826A1 Process and apparatus for treating a gas containing a contaminant |
| 05/06/2009 | CN201233189Y Diad low-temperature waste heat recovery device in production of sulfuric acid from 350kt/a sulfur |
| 05/06/2009 | CN101423234A Process for preparing heptahydrate magnesium sulfate and liquid sulphur dioxide |
| 05/06/2009 | CN101423201A Sulfuric acid manufacture method |