| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 03/18/2004 | WO2004022482A2 Method for purifying hydrogen sulphide on porous supports |
| 03/18/2004 | WO2003102275A3 Electrochemical process for preparing zinc metal and process for preparing zinc dithionite using electrochemically produced zinc metal |
| 03/17/2004 | CN1482999A Method for the concentration of spent acid |
| 03/17/2004 | CN1482057A Method of five stage catalyst and double conversion and double absorption to treat smoke of lead bottom blowing furnace for preparing vitriol |
| 03/16/2004 | US6706250 Process for the purification of sulfur |
| 03/16/2004 | US6706090 Method for recovering and/or separating sulfur oxyfluorides from gas mixtures |
| 03/11/2004 | WO2004020688A1 Metal sulfide thin film and method for production thereof |
| 03/10/2004 | CN1480241A Method and equipment for recycling sulfur hexafluoride from power distribution unit |
| 03/10/2004 | CN1141248C Sulphurous acid generator with air injector |
| 03/10/2004 | CN1141168C Method of processing sulfur-containing materials derived from flue gas desulfurization or other sources |
| 03/04/2004 | WO2004018357A1 Process for preparing so2f2 and so2clf |
| 03/04/2004 | WO2004018356A1 Process for the production of polymeric sulphur |
| 03/03/2004 | EP1392874A1 A novel porous sulpha sponge iron compound, a process for preparing the same and a method for desulphurizing natural gas therewith |
| 03/03/2004 | EP1392415A1 Process for producing ammonium thiosulphate |
| 03/03/2004 | CN1479647A Method for removing mercury from gas |
| 03/03/2004 | CN1478597A Vanadium1 cesium enrironmental protection catalyst for producing sulfuric acid and its preparation method |
| 03/03/2004 | CN1140479C Ceramic bar beam for sulfuric acid absorption tower and preparation method |
| 03/03/2004 | CN1140447C Process for concentration of sulphuric acid |
| 03/03/2004 | CN1140322C Partial combustion of hydrogen sulphide |
| 03/02/2004 | US6699304 Palladium-containing particles, method and apparatus of manufacture, palladium-containing devices made therefrom |
| 02/25/2004 | EP1390743A1 Sulfuryl fluoride fumigation process |
| 02/25/2004 | CN1478310A Method for synthesis of carbon-coated redox materials with controlled size |
| 02/24/2004 | US6696037 Method of recovering sulfur from minerals and other sulfur-containing compounds |
| 02/24/2004 | CA2078966C Process for elimination of low concentrations of hydrogen sulfide in gas mixtures by catalytic oxidation |
| 02/19/2004 | WO2004014792A1 Method for isolating hydrogen sulphide from coke-oven gas with the subsequent recovery of elemental sulphur in a claus plant |
| 02/19/2004 | WO2004014791A1 Fission reactor for a claus plant |
| 02/19/2004 | WO2004014790A1 Waste-heat boiler for a claus plant |
| 02/19/2004 | US20040033360 Method for synthesis of carbon-coated redox materials with controlled size |
| 02/19/2004 | US20040033192 Recovering elemental sulphur, characterized by using a catalyst that has a support of alumina, titania, or zirconia and doped with iron, cobalt, nickel, copper and/or vanadium; catalyst resists deactivation from the BTX in Claus process |
| 02/18/2004 | CN1475435A Method of producing sulfuric acid using ammonic acid method to concentrate low concentration sulfur dioxide gas |
| 02/12/2004 | US20040030522 System and method for mass flow detection device calibration |
| 02/12/2004 | DE10233820A1 Cracking reactor, for a Claus reactor to convert hydrogen sulfide into pure sulfur, has a horizontal cylindrical boiler, to take the hot gas into a combustion chamber and through a catalyst zone giving a hot process gas |
| 02/12/2004 | DE10233819A1 Claus processing of hydrogen sulfide in coke oven gas achieves high removal efficiency operating with a single furnace and at lower temperatures than is usual practice |
| 02/12/2004 | DE10233818A1 The Claus reactor, to convert hydrogen sulfide into pure sulfur, has longer and shorter tube bundles as heat exchangers in the steam zone to cool the hot process gas and cooler catalyst stage gas in the same assembly |
| 02/11/2004 | CN1473758A Method for preparing sulfur dichloride |
| 02/10/2004 | US6689326 Method and apparatus for introducing sulphur dioxide into aqueous solutions |
| 02/10/2004 | US6689186 Silver-containing particles, method and apparatus of manufacture, silver-containing devices made therefrom |
| 02/05/2004 | US20040022721 Furnace oxidising hydrogen sulfide to sulfur dioxide; withdrawing partially reacted gas stream; extracting sulphur vapour; catalytically reacting hydrogen sulphide; catalytically reducing with hydrogen to hydrogen sulphide |
| 02/05/2004 | DE10231314A1 Process for stripping nitrided waste acid comprises stripping the waste acid using vapor and/or air, and driving off super-heated vapor mixture by scrubbing in a conditioning column with part or all the condensate formed during condensation |
| 02/04/2004 | CN1473066A Process and apparatus for recovering sulphur from gas stream containing hydrogen sulphide |
| 02/04/2004 | CN1473065A Process and apparatus for recovering sulphur from gas stream contaniing sulphide |
| 01/29/2004 | WO2004009205A2 Nanoparticle fractionation and size determination |
| 01/29/2004 | US20040018306 Evaporating metal oxide, reducing to metal suboxide nanoparticles in the gas phase, then reacting with a second reacting agent to form pure phase of fullerenes molybdenum disulfide as solid lubricants; vapor deposition |
| 01/28/2004 | EP1385008A2 Sealed observation element for sulfur recovery unit |
| 01/28/2004 | EP1385007A2 Sealed observation element for sulfur recovery unit |
| 01/28/2004 | EP1383709A2 Sulfur trioxide delivery system |
| 01/28/2004 | CN1136171C Integrated process using in site regenerated sulfuric acid as catalyst |
| 01/28/2004 | CN1136046C Double-function sulfur recovery catalyst and its preparing method |
| 01/28/2004 | CN1136032C Method and equipment for treating gas containing hydrogen sulfide and sulphur dioxide |
| 01/22/2004 | WO2004007358A1 Method of removing and recovering elemental sulfur from highly reducing gas streams containing sulfur gases |
| 01/22/2004 | US20040013590 Contacting supply stream with an activated carbon or an oxide based catalyst, and an oxidant, such as sulfur dioxide, in a reaction medium such as molten sulfur, to convert sulfur gases in supply stream to elemental sulfur |
| 01/20/2004 | US6679937 Copper powders methods for producing powders and devices fabricated from same |
| 01/15/2004 | US20040010173 Producing acetylene and hydrogen from methane and hydrogen and sulfur from hydrogen sulfide in a silent and pulsed corona discharge reactor; continuously recovering hydrogen through permselective membrane walls; free radical reactions |
| 01/15/2004 | US20040009446 Burner and method for partly oxidising a gas stream comprising hydrogen sulphide and ammonia |
| 01/15/2004 | US20040007151 Vehicle carrying rail road car |
| 01/14/2004 | EP1379466A2 Selective oxidation of sodium sulfide in kraft cooking liquors |
| 01/13/2004 | US6676918 Hydrogen sulfide removal from liquid sulfur |
| 01/13/2004 | US6676917 Process for the production of hydrochloric acid and neutralized sulfates |
| 01/13/2004 | US6676906 Containing catalyst particles between cooled dividing walls |
| 01/07/2004 | EP1377438A2 Preparation of nanocrystallites |
| 01/06/2004 | US6673329 Combining hydrogen fluoride and sulfur trioxide in stoichiometric amounts in a reaction vessel or by nozzle to form hot, gaseous fluorosulfonic acid, feeding the sulfonic acid into distillation column, taking off the sulfonic acid |
| 01/02/2004 | EP1375422A1 Process for production of ammonium thiosulphate |
| 01/02/2004 | EP1373165A2 Method for producing metal oxides and metal chalcogenides comprising a defined microstructure |
| 01/02/2004 | EP1373136A1 Method for the regeneration of sulphuric acid from sulphur-containing materials |
| 01/02/2004 | EP0848641B1 Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst |
| 12/31/2003 | WO2004000442A1 Method for elimination of sulphur from a charge comprising hydrogen sulphide, benzene toluene and/or xylenes |
| 12/30/2003 | US6669921 Solution of a chelated polyvalent metal such as iron or vanadium is circulated in the presence of an oxygen-containing gas under appropriate regeneration conditions, adjusting parameters to minimize degradation of chelating agent |
| 12/24/2003 | WO2003106335A1 Hydrogen sulfide removal from liquid sulfur |
| 12/24/2003 | CN2594251Y Heat recovery tower for sulfuric acid plant |
| 12/24/2003 | CN1462721A Method for preparing high quality insoluble sulphur |
| 12/24/2003 | CA2487988A1 Hydrogen sulfide removal from liquid sulfur |
| 12/18/2003 | WO2003082455A3 Catalysts and process for oxidizing hydrogen sulfide to sulfur dioxide and sulfur |
| 12/18/2003 | US20030232003 Hydrogen sulfide removal from liquid sulfur |
| 12/17/2003 | EP1370506A1 Production of fluorine compounds |
| 12/17/2003 | EP1370487A1 Purification of sulfuryl fluoride |
| 12/17/2003 | EP1060000B1 Process for treating hydrogen sulfide lean streams with partial combustion of feed stream |
| 12/11/2003 | WO2003102275A2 Electrochemical process for preparing zinc metal and process for preparing zinc dithionite using electrochemically produced zinc metal |
| 12/11/2003 | WO2003101588A1 Membrane for hydrogen recovery from streams containing hydrogen sulfide |
| 12/11/2003 | CA2488295A1 Membrane for hydrogen recovery from streams containing hydrogen sulfide |
| 12/10/2003 | EP1369383A1 Process for the removal of sulfur from a feed containing hydrogen sulfide and benzene, toluene and/or xylenes |
| 12/10/2003 | CN2591022Y Sulphuricacid evaporator |
| 12/10/2003 | CN1130244C Removal of contamimants from gas streams in artificial fibre production |
| 12/09/2003 | US6660680 Heating aerosols at low temperature; well-controlled microstructure and morphology |
| 12/09/2003 | US6660185 Photoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same |
| 12/04/2003 | WO2003100391A1 System and method for mass flow detection device calibration |
| 12/04/2003 | WO2003099421A1 Gas purification system |
| 12/04/2003 | WO2003051947A3 Catalyst for spoc- enhanced synthesis gas production |
| 12/04/2003 | WO2002090253A3 Process for reversible sorption of sulfur trioxide and sorbent therefor |
| 12/04/2003 | US20030223930 Continuous production of ammonium thiosulphate, (NH4)2S2O3 (ATS) from NH3, H2S and SO2 comprising steps of: partial condensation in a partial condenser 4 of a first gaseous or partial liquid feed stream comprising H2O, H2S and |
| 12/04/2003 | US20030221972 Process for preparing zinc metal which comprises electrochemically reducing an aqueous alkaline slurry or solution of zinc oxide or any other compound that reacts with an aqueous base to produce zinc oxide, wherein the process |
| 12/02/2003 | US6656445 By mixing scavenging agent selected from: anhydrides and polymers thereof, conjugated ketones, carbonates, epoxides, monoesters and diesters of unsaturated dicarboxylic acids and polymers of these esters; no discoloration |
| 12/02/2003 | US6656249 Method for desulphurization of gases |
| 12/02/2003 | CA2216432C Liquid phase conversion of a source of sulfur dioxide to sulfuric acid |
| 11/26/2003 | EP1040080B1 Method for direct oxidation in sulphur, by catalytic process and in vapour phase, of low content h 2?s in a gas |
| 11/25/2003 | US6652827 Oxidizing portion of hydrogen sulfide to sulfur dioxide; catalytic convertion to water and elemental sulfur; separately reducing residual sulfur dioxide |
| 11/25/2003 | US6652826 Process for elimination of low concentrations of hydrogen sulfide in gas mixtures by catalytic oxidation |
| 11/25/2003 | US6652660 Preventing stress corrosion cracking of stainless steel and autoignition of pyrophoric iron sulfide; treating vessel with oxidizing agents |
| 11/20/2003 | US20030215371 Chemical-physical reactions displaced by pressure |
| 11/19/2003 | EP0850193B1 Method and apparatus for degassing sulfur |
| 11/19/2003 | CN1456494A Production of sulphuric acid by firing sulphur with mixed sulphureous iron ore |