| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 11/06/2001 | US6312651 Treating hydrogen sulfide to form sulfur from claus reaction and condensation |
| 10/30/2001 | US6309609 Apparatus for treating a gas containing hydrogen sulphide and sulphur dioxide, comprising a step for depleting the recycled solvent in sulphur |
| 10/25/2001 | WO2001078885A2 Catalyzer for converting so2 into so¿3? |
| 10/25/2001 | US20010033824 Method for the preparation of anhydrous sodium sulfide |
| 10/24/2001 | CN1073531C Method and device for processing hydrogen sulphide-contg. gas comprising coding step |
| 10/23/2001 | CA2055848C Cooled sulphur furnace bypass system |
| 10/17/2001 | EP1144304A1 Method for removing nitrogen oxides from nitrosyl sulphuric acid |
| 10/17/2001 | EP0783456B1 Process for the realization of endothermic decomposition of pyrites, producing gases and solid residues |
| 10/17/2001 | CN2454354Y Tail-humidifying cooling drum |
| 10/17/2001 | CN1072975C Catalyst for treating gases contg. sulphur compounds, use of them and processes for treating said gases |
| 10/16/2001 | US6303097 Process for the preparation of metal sulphides |
| 10/16/2001 | CA2206747C Gas-to-gas heat exchangers for use in sulfuric acid plants |
| 10/10/2001 | EP1142628A2 Treatment of gas streams containing hydrogen sulphide |
| 10/10/2001 | EP1019318B1 Method and composition for the regeneration of an aminal compound |
| 10/10/2001 | EP0801632B1 Method for removing virtually all the sulphur compounds h2s, so2, cos and/or cs2 from sulphur plant waste gases, and recovering such compounds as sulphur |
| 10/10/2001 | CN1317158A Electrochemical oxidation of hydrogen sulfide |
| 10/10/2001 | CN1072605C Method for catalytically oxidising low concentration of hydrogen sulfide in gas to give sulphur |
| 10/09/2001 | US6299851 Method for oxidizing hydrogen sulfide to elemental sulfur |
| 10/05/2001 | CA2342136A1 Treatment of gas streams containing hydrogen sulphide |
| 10/04/2001 | US20010025781 Hydrogen is separated from sulfur found in waste produced in the refining of oils and gases; hydrogen is recycled to be reused in desulfurization |
| 10/04/2001 | EP0985007A4 Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same |
| 10/03/2001 | CN1315921A Sulphurous acid generator with air injector |
| 10/02/2001 | US6297189 Sulfide catalysts for reducing SO2 to elemental sulfur |
| 09/27/2001 | WO2001070392A1 Electrocatalyst powders, methods for producing powders and devices fabricated from same |
| 09/26/2001 | EP1135356A1 Method of producing acid fluorides from acid chlorides |
| 09/22/2001 | CA2341069A1 Improved production of hydrogen from hydrogen sulfide |
| 09/20/2001 | US20010022958 Cooling, esxtraction, circulation |
| 09/19/2001 | CN1313784A Method for recovery of sulphur from gas containing hydrogen sulphate |
| 09/19/2001 | CN1071133C Method for conditioning flue gas |
| 09/18/2001 | CA2244560C Electrochemical process for decomposing hydrogen sulfide to produce hydrogen and sulfur |
| 09/12/2001 | EP1132488A1 Installation with cooled crystallisers and method for operating the installation |
| 09/12/2001 | CN2447034Y Sulfur-melting pot for continuous recovering sulfur |
| 09/12/2001 | CN1070719C Liquid medium extraction purification method |
| 09/11/2001 | US6287535 Recovering sulfur |
| 09/11/2001 | US6287534 Method for manufacturing sulfuric acid |
| 09/07/2001 | WO2001064973A1 Corrosion restraining method and corrosion-resisting device |
| 09/07/2001 | WO2001064336A1 Catalyst for producing sulfur by claus process and method for preparing said catalyst |
| 09/07/2001 | WO2001009032A8 Process for producing syngas in a short contact time reactor using catalytic partial oxidation of hydrogen sulfide |
| 09/05/2001 | CN1070472C Process for the adiabatic prepn. of mononitrotoleunes |
| 09/04/2001 | US6284214 Low or no slag molten metal processing of coke containing vanadium and sulfur |
| 08/30/2001 | WO2001062366A1 Separation of gases containing sf¿6? |
| 08/29/2001 | EP0828549B1 Process for the dry desulphurisation of a combustion gas |
| 08/28/2001 | US6280698 Removal of by-products in method for processing a gas containing hydrogen sulfide and sulfur dioxide |
| 08/28/2001 | US6279514 Method of recovering heat in sulfuric acid production plant |
| 08/22/2001 | EP1125890A1 Disproportionation of sulfuryl chloride fluoride |
| 08/22/2001 | EP1125889A2 Procedure for the production of polymeric sulphur |
| 08/22/2001 | CN1069881C Method for producing sodium sulfide using glauberite ore |
| 08/21/2001 | US6277352 Can notably be applied in processing units used after the claus process. |
| 08/21/2001 | US6277342 A support including at least one polymer sufficiently acidic to protonate the gas is contacted with the gas to protonate the gas to form a solid salt which is sorbed by the support. the gas is dispensed by deprotonation |
| 08/21/2001 | US6277169 Method for making silver-containing particles |
| 08/17/2001 | CA2298890A1 A technique to produce nanometer-sized ceramic powders |
| 08/16/2001 | WO2001058569A1 Method for reclamation and/or separation of sulphur oxyfluorides from gas mixtures |
| 08/16/2001 | US20010014308 Disproportionation of sulfuryl chloride fluoride |
| 08/16/2001 | EP1123181A1 Aerosol method and apparatus for making particulate products |
| 08/16/2001 | DE10006247A1 Production of sulfuryl chloride comprises disproportionation of sulfuryl fluoride chloride on active carbon useful as a pesticide |
| 08/16/2001 | CA2401097A1 Method for reclamation and/or separation of sulphur oxyfluorides from gas mixtures |
| 08/15/2001 | CN1308014A Disproportionation reaction of sulfuric chloride-fluoride |
| 08/15/2001 | CN1308013A Preparation process of anhydrous sodium sulfide crystal |
| 08/14/2001 | CA2156617C A method of separating sulphur compounds |
| 08/09/2001 | WO2001056683A1 Treatment of gaseous fuels, acid gases and off gases |
| 08/09/2001 | DE10005456A1 Verfahren zur Rückgewinnung und/oder Abtrennung von Schwefeloxifluoriden aus Gasgemischen A process for the recovery and / or separation from gas mixtures of Schwefeloxifluoriden |
| 08/08/2001 | EP1121326A1 Sulphurous acid generator with air injector |
| 08/08/2001 | CN1069288C Method and apparatus for production of molten sulphur from sulfphureoue solutions |
| 08/01/2001 | EP1119519A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams |
| 07/31/2001 | US6267864 Field assisted transformation of chemical and material compositions |
| 07/31/2001 | CA2205729C Packed absorption towers |
| 07/26/2001 | WO2001053197A1 Process for direct reduction of sulfur compounds to elemental sulfur in combination with the claus process |
| 07/25/2001 | EP0835341B1 Method for producing polysulfides by electrolytic oxidation |
| 07/25/2001 | CN1304869A Process for preparing insoluble absolute sulfur by fusion method |
| 07/24/2001 | US6264819 Method for producing polysulfide by electrolytic oxidation |
| 07/24/2001 | CA2133454C Method and apparatus for effecting gas-liquid contact |
| 07/19/2001 | US20010008619 Oxidation catalyst on support |
| 07/18/2001 | EP1116776A2 Method for treating spent caustic streams |
| 07/18/2001 | EP1115472A1 A process for the recovery of sulphur from a hydrogen sulphide, containing gas |
| 07/17/2001 | CA2170845C Process for desulfurizing a h2s -containing gas |
| 07/12/2001 | WO2001049395A1 Method of treating exhaust gas from coal fired boiler |
| 07/11/2001 | EP1114012A1 Field assisted transformation of chemical and material compositions |
| 07/11/2001 | CN1303359A Sulphur binder and its producing method |
| 07/05/2001 | WO2001048423A1 Partial oxidation of hydrogen sulphide |
| 07/05/2001 | WO2001048422A1 Partial oxidation of hydrogen sulphide containing gas |
| 07/05/2001 | WO2001047804A1 Method for producing high-purity sulphuric acid |
| 07/05/2001 | DE19963509A1 Verfahren zur Herstellung hochreiner Schwefelsäure Method for producing high purity sulfuric acid |
| 07/05/2001 | CA2394302A1 Partial oxidation of hydrogen sulphide |
| 07/05/2001 | CA2394301A1 Partial oxidation of hydrogen sulphide containing gas |
| 07/04/2001 | CN1301584A Complex utilization method for boiler fume |
| 07/04/2001 | CN1067961C Process for synthesizing chlorosulfonic acid using high concentration sulfur trioxide |
| 07/03/2001 | CA2014858C Novel gelling composition |
| 06/28/2001 | US20010005495 Process for preparing a nanocrystalline material |
| 06/27/2001 | CN1300714A Process for preparing manganese compound from fume and its afterheat |
| 06/26/2001 | US6251359 Method for oxidizing hydrogen sulfide to elemental sulfur |
| 06/19/2001 | US6248299 Open system sulfurous acid generator |
| 06/19/2001 | US6248218 Air pollution control |
| 06/14/2001 | US20010003577 Sulphur recovery |
| 06/14/2001 | US20010003555 System and method for continuously reprocessing waste sulfuric acid liquid, and heater supporting structure for a heating vessel made of glass |
| 06/13/2001 | EP1106572A2 Process for recovering sulphur compounds |
| 06/13/2001 | EP1105204A1 Separation of gases containing sf 6 |
| 06/13/2001 | DE19956377A1 Verfahren zur Herstellung von wasserfreiem, hochreinem Natriumsulfid Process for the preparation of anhydrous, high purity sodium sulfide |
| 06/12/2001 | US6245216 Cleaning tars, such as spent acid tars, from reaction vessels, process equipment, transportation containers and storage tanks utilizing sulfuric acid, surfactants and optionally a carrier. |
| 06/07/2001 | US20010002990 Materials and methods for the separation of oxygen from air |
| 06/07/2001 | DE10028568C1 Tubular heat exchanger used for treating hot sulfur-containing gases comprises a wall made of composite material having a steel plate and a sealed refractory concrete stamping composition and a tube made of a heat resistant material |