| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 07/01/1986 | US4597609 Method of melting sulphur |
| 06/24/1986 | US4596699 Apparatus for burning hydrogen sulphide |
| 06/24/1986 | US4596698 Extractor for removing hydrogen sulfide from steam |
| 06/24/1986 | CA1206324A1 Process for sulfuric acid regeneration |
| 06/24/1986 | CA1206323A1 Process for sulfuric acid regeneration |
| 06/19/1986 | WO1986003426A1 Process for removing cos and cs2compounds contained in an industrial gas |
| 06/18/1986 | EP0184605A2 Process for the production of porous shaped bodies rich in silicic acid and their use |
| 06/17/1986 | US4595350 Process and apparatus for preparing sulfur having uniform particle size distribution |
| 06/17/1986 | CA1206008A1 Recovery of zinc from zinc-containing sulphidic material |
| 06/17/1986 | CA1205979A1 Extraction of elemental sulphur from sulphur compound gases |
| 06/17/1986 | CA1205978A1 Method and apparatus for pelletizing sulphur |
| 06/10/1986 | CA1205614A1 Process and an apparatus for the preparation of sulfuric acid |
| 06/05/1986 | WO1986003187A1 A process and apparatus for catalytic oxidation of sulfur dioxide |
| 06/03/1986 | US4592905 Conversion of hydrogen sulfide to sulfur and hydrogen |
| 06/03/1986 | CA1205276A1 Process for the removal of co.sub.2 and, if present h.sub.2s from a gas mixture |
| 05/27/1986 | US4591495 Method and apparatus for making sulphuric acid |
| 05/27/1986 | US4591494 Method and apparatus for making sulphuric acid |
| 05/22/1986 | WO1986002918A1 Method for the removal of sulphur oxides from a flue gas with a baghouse as a secondary reactor |
| 05/20/1986 | US4590058 Process for producing high purity solutions of alkali metal hydrosulfites |
| 05/14/1986 | EP0181313A2 Heat recovery from concentrated sulfuric acid |
| 05/13/1986 | US4588567 Recovery of concentrated H2 S from SO2 contained in flue gas |
| 05/09/1986 | WO1986002628A1 Process for removal of hydrogen sulfide from gases |
| 05/06/1986 | CA1203987A1 Metal recovery process |
| 04/22/1986 | US4584054 Solids refining process |
| 04/22/1986 | CA1203523A1 Reaction mass, method for the manufacture thereof and use thereof |
| 04/16/1986 | EP0177806A2 Process for the desulphurization of fumes |
| 04/16/1986 | EP0177678A1 Process for the preparation of hydrogen sulfide |
| 04/16/1986 | EP0177671A2 Process for the preparation of sodium polysulphides from the elements sodium and sulphur |
| 04/15/1986 | US4582690 Oxidation of polythionates |
| 04/15/1986 | US4582481 Process of drying sulfide ores in direct contact with hot drying gases |
| 04/10/1986 | CN85107664A Method of recovering chemicals from spent pulp liquors |
| 04/08/1986 | US4581210 Method for the removal of sulphur oxides from a flue gas with a baghouse used as a secondary reactor |
| 04/08/1986 | US4581128 Hydrocarbon desulfurization process |
| 04/01/1986 | US4579727 Reacting hydrogen sulfide with thiosulfate compounds to form elemental sulfur |
| 04/01/1986 | US4579726 Sulfating with sulfuric acid mist |
| 03/25/1986 | US4578262 Liquid sulphur dioxide manufacture |
| 03/19/1986 | EP0174907A2 Process for removal of nitrogen and sulphur oxides from off gases |
| 03/18/1986 | US4576925 Catalyst for purifying gases from hydrogen sulphide |
| 03/18/1986 | US4576814 Catalyst and process for oxidizing hydrogen sulfide |
| 03/18/1986 | US4576813 Heat recovery from concentrated sulfuric acid |
| 03/18/1986 | US4576812 Chlorination of copper, lead, zinc, iron, silver and gold |
| 03/18/1986 | CA1201872A1 Process and apparatus for the removal of mercury from sulfur dioxide-bearing hot and moist gases |
| 03/11/1986 | US4575453 Secondart chamber to decompose hydrogen sulfide |
| 03/11/1986 | CA1201706A1 Preparative process for alkaline earth metal, aluminum-containing spinels |
| 03/11/1986 | CA1201704A1 Sulphidic hydrogen oxidation catalyst |
| 03/11/1986 | CA1201699A1 Preparative process for alkaline earth metal, aluminum-containing spinels |
| 03/11/1986 | CA1201573A1 Method in the manufacture of sulphuric acid from gases generated in discontinuous processes |
| 03/10/1986 | CN85105980A Process for the production of hydrogen sulphide |
| 03/05/1986 | EP0172972A2 Process for removing ammonia from a gas containing sulphurous acid anhydride |
| 03/04/1986 | US4574076 Removal of hydrogen sulfide from geothermal steam |
| 03/04/1986 | CA1201276A1 Mono-stage device to generate gaseous so.sub.3 from melted sulphur, suitable for sulphonating plants and particularly for additivation plants using so.sub.3 to precipitate ashes from ordinary furnaces smokes |
| 02/19/1986 | EP0171570A1 Process and apparatus for eliminating sulphur dioxide from hot exhaust gases |
| 02/18/1986 | CA1200676A1 Process for catalytic desulfurization of an acid gas containing h.sub.2s |
| 02/12/1986 | EP0171282A2 Gas conditioning for an electrostatic precipitator |
| 02/12/1986 | EP0171001A2 Process for the selective catalytic hydrolysis of mineral sulfur compounds |
| 02/11/1986 | US4569832 Scrubbing hydrogen sulfide, washing with ammonia while mixing withclaus process waste gas |
| 02/11/1986 | CA1200364A1 Gypsum conversion |
| 02/05/1986 | EP0170253A2 Process for the production of elementary sulphur |
| 02/05/1986 | EP0170104A1 Rubber dispersive agent for insoluble sulphur and process of preparing same |
| 02/04/1986 | US4568664 Promote hydrogen sulfide and sulfur dioxide reaction for their removal from gases; resistant to sulfate poisoning |
| 01/21/1986 | US4565678 Method of reducing sulfur oxide and nitrogen oxide content of flue gas |
| 01/15/1986 | EP0168022A2 Process for preparing hydrogen and sulphur from hydrogen sulphide |
| 01/15/1986 | EP0091938B1 A method in the manufacture of sulphuric acid from gases generated in discontinuous processes |
| 01/14/1986 | US4564670 Liquid cis-polyisoprene dispersant |
| 01/14/1986 | US4564509 Method and apparatus for improved gettering for reactant gases |
| 01/14/1986 | CA1199164A1 System and process for producing and recovering elemental sulfur |
| 01/07/1986 | CA1198878A1 Process of producing an so.sub.3-containing gas for use in the purification of an exhaust gas in an electrostatic precipitator |
| 01/02/1986 | EP0166469A2 Method for removing arsenic from waste sulphuric acid |
| 12/31/1985 | US4561934 Precarbonating with flue has, evaporation crystallizing to separate chloride salt from solution |
| 12/31/1985 | CA1198577A1 Process for recovering and purifying spent sulfuric acid containing titanium salts |
| 12/27/1985 | EP0165609A2 Temperature moderation of an oxygen enriched claus sulfur plant |
| 12/24/1985 | US4560543 Process for desulfurization of hot waste gas |
| 12/24/1985 | CA1198261A1 Liquid sulphur dioxide manufacture |
| 12/17/1985 | US4559216 Method for purification of sulfuric acid solution |
| 12/17/1985 | US4559212 Process for purifying gases containing sulphur dioxide |
| 12/17/1985 | CA1197974A1 Process for combusting hydrogen sulphide-containing gases and burner for use in such a process |
| 12/17/1985 | CA1197973A1 Process for the reduction of the sulfur content in a gaseous stream |
| 12/11/1985 | EP0164140A2 Method and apparatus for degasifying liquid sulphur which contains hydrogen sulphide |
| 12/10/1985 | US4557914 Process for producing substances optically transparent to infrared rays |
| 12/10/1985 | US4557912 Air pollution reduction |
| 12/10/1985 | US4557911 Process for producing sweet CO2 and hydrocarbon streams |
| 12/10/1985 | US4557873 Process for isolating paraffinsulfonates and sulfuric acid of low alkali metal sulfate content from parafinsulfoxidation reaction mixtures |
| 11/26/1985 | CA1197224A1 Preparative process for alkaline earth metal, aluminum-containing spinels |
| 11/12/1985 | US4552747 Temperature moderation of an oxygen enriched Claus sulfur plant |
| 11/12/1985 | US4552746 Process for the reduction of the sulfur content in a gaseous stream |
| 11/12/1985 | US4552744 Polytetrafluoroethylene membrane |
| 11/12/1985 | US4552635 Alkaline scrubbing solution, regeneration |
| 11/12/1985 | CA1196477A1 Process for removal of sulfur compounds from gases |
| 11/12/1985 | CA1196473A1 Apparatus and processes for the concentration of sulphuric acid |
| 11/06/1985 | EP0160332A2 Process for eliminating hydrogen sulfide from exhaust gases and for producing sulfur by the Claus- process |
| 10/30/1985 | EP0159730A2 Process for the removal of sulphur compounds from off-gases |
| 10/29/1985 | US4550098 Methods for the removal of gaseous impurities from mixed gas streams |
| 10/29/1985 | CA1195846A1 Recovery of zinc from zinc-containing sulphidic material |
| 10/23/1985 | EP0159304A1 A method of recovering sulphur dioxide from waste gases of low sulphur dioxide content |
| 10/23/1985 | EP0158748A2 Process for removal of sulfur oxides from flue gas with regenerable active carbon |
| 10/22/1985 | USRE32009 Degassing molten sulfur |
| 10/22/1985 | US4548789 Mono-stage device to generate gaseous SO3 from melted sulphur |
| 10/16/1985 | EP0158461A2 Purification and reconcentration of waste sulphuric acid |
| 10/16/1985 | EP0158235A2 Process for the removal of residual sulfonic acid from the reaction mixture formed during the sulfoxidation of paraffines |
| 10/15/1985 | US4547353 Hot gas stream of water and sulfur trioxide passed through absorpt |