| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 07/19/1989 | EP0324526A1 Process for converting and removing sulfur compounds from a CO containing gas |
| 07/19/1989 | EP0324224A1 An integrated process for the removal of sulfur compounds from fluid streams |
| 07/19/1989 | EP0324091A2 A process for the removal of hydrogen sulfide from gases |
| 07/18/1989 | US4849204 Catalytic removal of hydrogen sulfides from liquid sulfur |
| 07/18/1989 | US4849203 Claus furnace |
| 07/18/1989 | US4849202 Sulfur recovery process using metal oxide absorbent with reducing gas purge |
| 07/13/1989 | DE3843092A1 Verfahren und vorrichtung zum abbau von nitroglyzerin in den restsaeuren aus der nitrierung Method and device for dismantling of nitroglycerin in the restsaeuren from the nitration |
| 07/11/1989 | CA1257222A1 Removal of arsenic from acids |
| 07/11/1989 | CA1257074A1 Claus residual gas cleanup using tetraethylene glycol dimethyl ether as so.sub.2 scrubbing agent |
| 07/04/1989 | US4844881 Process for the production of sulfur from hydrogen sulfide using high concentration oxygen and recycle in combination with a scrubbing tower |
| 07/04/1989 | US4844876 Solvent extraction, countercurrent flow, regeneration |
| 07/04/1989 | US4844723 Gas conditioning for an electrostatic precipitator |
| 07/04/1989 | CA1256671A1 Heat recovery from concentrated sulfuric acid |
| 06/29/1989 | DE3743030A1 Process and apparatus for working up a liquid sulphur/caustic alkali solution mixture containing impurities |
| 06/28/1989 | EP0322291A1 Process for treating gaseous effluents |
| 06/27/1989 | US4842843 Claus plant tail gas; zinc oxide |
| 06/27/1989 | US4842835 Heat exchanging; condensing, scrubbing, and filtering to remove hf, hcl, so3 and other contaminants |
| 06/21/1989 | CN2039687U Sulfur flake forming machine with rotatary drum |
| 06/20/1989 | US4840782 Gas treating process and composition |
| 06/15/1989 | WO1989005282A1 Cyclical reductive and oxidative decomposition of calcium sulfate in two-stage fluidized bed reactor |
| 06/15/1989 | WO1989005280A1 Process for forming fine ceramic powders and products thereof |
| 06/15/1989 | WO1989005279A1 Process for separating antimony from acidic solutions containing same |
| 06/14/1989 | EP0319743A1 Conversion system and process for preparing sulphur trioxide |
| 06/14/1989 | EP0319563A1 Process for bleaching of materials with a dithionite solution. |
| 06/13/1989 | US4839154 Mixing a surfactant in the solution and reacting with oxidizing agent |
| 06/13/1989 | US4839052 Containing calcium and sulfate ions; an aerobic sulfate removal to produce hydrogen sulfide |
| 06/13/1989 | CA1255472A1 Continuous manufacture of sulphur hexafluoride in a flame reactor |
| 06/06/1989 | US4837001 Absorption on sodium sulfite; reacting with sodium bicarbonate; slurrying; reduction to hydrogen sulfur and sulfur |
| 06/06/1989 | US4836999 Method for controlling claus furnace with variable hydrocarbon feed composition |
| 05/31/1989 | EP0318086A1 Process for regenerating a carbonaceous adsorbent loaden with sulfuric acid and water |
| 05/30/1989 | US4834959 Process for selectively removing sulfur dioxide |
| 05/24/1989 | CN1033038A Purification method of sodium hydrosulfide by use of membrane-separation technology |
| 05/23/1989 | US4832937 Regeneration of chelated polyvalent metal solutions by controlled potential electrolysis |
| 05/23/1989 | US4832930 Formation of carbon dioxide, sulfur and sulfur dioxide |
| 05/23/1989 | CA1254365A1 Sulphur trioxide absorption tower and process |
| 05/16/1989 | US4831006 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide by treatment with organic, hydrolyzable, polymeric chalcogenide precursor wherein organic hydrolysis by-products are removed |
| 05/16/1989 | US4831005 Water, hydrocarbon absorber |
| 05/16/1989 | US4830840 Clay-spinel |
| 05/16/1989 | US4830838 Chelate compounds |
| 05/16/1989 | US4830734 Integrated process for the removal of sulfur compounds from fluid streams |
| 05/16/1989 | US4830733 Integrated process for the removal of sulfur compounds from fluid streams |
| 05/16/1989 | US4830718 Removal of sulfur dioxide (SO2) from waste gases and recovery as sulfuric acid |
| 05/10/1989 | EP0315468A1 Acid gas absorbent composition |
| 05/10/1989 | EP0315225A1 Process to burn a gas containing hydrogen sulfide |
| 05/10/1989 | EP0314817A1 Selective recovery of carbon dioxide |
| 05/10/1989 | CN1032772A Method and device for electrochemical catalytic oxidation of sulphur dioxide |
| 05/09/1989 | US4828816 Reduction with carbon |
| 05/09/1989 | CA1253837A1 Layered oxides containing interlayer polymeric oxides and their synthesis |
| 05/09/1989 | CA1253669A1 Generation of sulphur trioxide from oleum |
| 05/09/1989 | CA1253668A1 Method of separation of sugars and concentrated sulfuric acid |
| 05/03/1989 | EP0313996A2 Superconductive thin film, its production and use |
| 05/03/1989 | EP0313715A1 Process for treating, thereby saving energy and material, diluted acid released during the production of titanium dioxide according to the sulphate process |
| 05/03/1989 | DE3800161C1 Combination method for removing dust and acidic gases from flue gases |
| 05/03/1989 | DE3735717A1 Process for scrubbing out sour gases |
| 05/02/1989 | US4826670 Oxygen enriched claus system with sulfuric acid injection |
| 04/25/1989 | US4824656 Method of recovering sulfur from solid catalysts |
| 04/25/1989 | US4824655 Process for the preparation of sulphur dioxide |
| 04/25/1989 | US4824645 Process for selectively removing hydrogen sulfide from a gas stream at high pressure |
| 04/20/1989 | WO1989003368A1 Process for producing chevrel compounds |
| 04/18/1989 | US4822591 Two-reactor, high-recovery sulfur plant and process |
| 04/18/1989 | US4822590 Forms of transition metal dichalcogenides |
| 04/18/1989 | CA1252751A1 Process for the separation of cerium and rare earths |
| 04/12/1989 | EP0311515A1 Titanium oxide with stabilized properties |
| 04/05/1989 | CN1032162A Recovery of waste liquor containing sulphuric acid in oxalic acid production |
| 04/04/1989 | US4818740 Exposed surface of carrier does not exhibit alkaline properties; small specific area and low micro porosity |
| 04/04/1989 | US4818514 From oxidation of ferrous sulfate and sulfuric acid |
| 04/04/1989 | US4818496 Apparatus for treating a sulfur dioxide-containing gas |
| 04/04/1989 | CA1251918A1 Process for the removal of h.sub.2s from a sour gaseous stream |
| 03/28/1989 | US4816225 Dropping pieces directly into heated liquid sulfur |
| 03/23/1989 | WO1989002435A1 Gas and alcohol recovery process |
| 03/23/1989 | WO1989002310A1 Simultaneous separation and conversion to sulfur of h2s |
| 03/22/1989 | EP0307869A1 Process for producing ammonia and sulfur dioxide |
| 03/21/1989 | US4814159 High temperature |
| 03/21/1989 | US4814106 Manufacture of a basic metal hydroxysulfate complex in solid form |
| 03/14/1989 | US4812166 High frequency induction plasma |
| 03/07/1989 | US4810483 Process for producing anhydrous alkali metal hydrosulfites |
| 03/01/1989 | CN1031369A Polyalky leneoxyamine catalysts for dialkyl disulfides and/or polysulfides used in dissolving sulfur |
| 02/28/1989 | US4808385 Process for the removal of H2 S from fluid streams using a water soluble polymeric chelate of an oxidizing polyvalent metal |
| 02/28/1989 | US4808343 Mixing with alcohol, phase separation |
| 02/28/1989 | CA1250410A1 Removal of sulfur oxides from gas streams with ammonium sulfite |
| 02/28/1989 | CA1250409A1 Process and apparatus for degassing sulfur |
| 02/23/1989 | DE3726732A1 Processing for scrubbing NO and/or SO2 out of gas mixtures containing NO and/or SO2 |
| 02/21/1989 | US4806210 H2 S and alcohol recovery process |
| 02/21/1989 | EP0287608A4 Dual combustion oxygen-enriched claus sulfur plant. |
| 02/15/1989 | EP0303501A2 Sulfur dioxide removal from gas streams using substituted piperazinones |
| 02/15/1989 | CN1003299B Process for the production of hydrogen sulphide |
| 02/14/1989 | US4804521 Using calcium aluminate or silicate absorbent formed by heating slurry of calcium alkali and alumina or silica |
| 02/14/1989 | US4804485 Antifouling agents to prevent sulfur plugging in sour oil and gas wells |
| 02/09/1989 | EP0266417A4 REDUCTION OF NO x? IN FLUE GAS. |
| 02/08/1989 | EP0302337A2 Process for separating metal sulphates from sulphuric acid |
| 02/08/1989 | EP0302224A2 Process and apparatus for the electrochemical, catalytic oxidation of sulphur dioxide to sulphuric acid |
| 02/08/1989 | EP0235243B1 Process for the recovery of sulphur dioxide from gas flows |
| 02/01/1989 | EP0301700A1 Neutralization of sulfuric acid containing iron ions |
| 02/01/1989 | EP0301262A1 Process for working-up ferrous sulfate-containing metal sulfate mixtures |
| 01/31/1989 | US4801443 From acid gases with continuously circulating catalyst |
| 01/31/1989 | US4801441 From metal halide and a disilathiane or disilaselenane |
| 01/31/1989 | CA1249416A1 Process for the production of sulfur dioxide |
| 01/31/1989 | CA1249415A1 Process for the production of sulphur dioxide |
| 01/25/1989 | EP0300859A2 Method for producing single crystals of anhydrous sodium sulfide. |
| 01/19/1989 | DE3722995A1 Process for the utilisation of sulphite-containing flue gas desulphurisation products |