Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 17 - Sulfur; Compounds thereof
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
10/1985
10/15/1985CA1195091A1 Process for producing sulphuric acid
10/08/1985US4545965 Absorption with an anhydrous oslution of a teritary amine and an o
10/08/1985US4545822 Vaporization, vacuum removal, purging
10/08/1985CA1194678A1 Manufacture of hydrogen sulfide
10/02/1985EP0156199A1 Process for the preparation of nitrobenzene
10/01/1985US4544534 Catalytic desulfurization process of an acid gas containing H2 S
09/1985
09/24/1985US4543245 Process for controlling temperature of a Claus sulfur unit thermal reactor
09/24/1985US4543244 Corrosion resistant
09/18/1985EP0154733A1 Transfer apparatus
09/11/1985EP0154238A2 Method of recovering heat from intermediate absorption in the production of sulfuric acid by double conversion together with production of oleum
09/10/1985US4540561 Ferric lignosulfonate
09/04/1985EP0153671A2 Stabilized aqueous alkalised composition of sodiumdithionite
09/03/1985US4539309 Vanadium silicate derivative
09/03/1985US4539189 Aromatic nitrile, tertiary maine catalyst
08/1985
08/28/1985EP0152647A1 Process for the removal of H2S from a sour H2S-containing gaseous stream
08/27/1985US4537752 Method for removing hydrogen sulfide from gas streams
08/27/1985US4537605 Removal of hydrogen sulfide from elemental sulfur by a countercurrent wet steam process
08/21/1985EP0151823A1 Process for the preparation of a V2O5 and alkalisulfate-containing catalyst for the oxidation of SO2 to SO3
08/20/1985US4536382 Process for the conversion of H2 S and adjustment of the H2 /CO ratio in gaseous streams containing hydrogen sulfide, hydrogen, and carbon monoxide
08/20/1985US4536381 Process for the removal of H2 S and adjustment of the H2 /CO ratio in gaseous streams containing hydrogen sulfide, carbon monoxide, and hydrogen
08/20/1985US4535551 Transfer apparatus
08/20/1985CA1192022A1 Sulfur dioxide reduction process
08/13/1985US4534955 Sulfur extraction process
08/13/1985US4534954 Sodium hydrosulfite slurries
08/07/1985EP0151010A2 Apparatus and process for the concentration of sulphuric acid
08/06/1985US4533537 Converting sulfur dioxide to sulfur trioxide, cooling and absorption
08/06/1985CA1191333A1 Process for the selective removal of hydrogen sulfide from gaseous streams
08/01/1985WO1985003282A1 Method and composition for removing sulfides from industrial gas
07/1985
07/31/1985EP0149865A2 Process for drying sulfide ores by direct contact with hot drying gases
07/30/1985US4532119 Catalytic desulfurization of industrial waste gases
07/30/1985US4532118 Process for removal of hydrogen sulfide from gases
07/30/1985US4532117 Contacting aqueous washing solution containing metal and complexing agent with aliphatic dialdehyde bactericide
07/30/1985US4532114 Purification of geothermal steam containing boron, arsenic or mercury
07/23/1985US4530827 Solvent scrubbing gas from Claus process
07/23/1985CA1190722A1 System and process for producing elemental sulfur
07/09/1985US4528277 Catalyst for oxidizing hydrogen sulfide
07/03/1985EP0147364A1 Process for removal of hydrogen sulphide from gases
07/02/1985US4526774 Separation of hydrogen sulfide from gaseous and non-aqueous liquid streams
07/02/1985US4526773 Scrubbing and oxidation of hydrogen sulfide with removal of dissolved oxygen from scrubbing solution before reuse
07/02/1985US4526771 Two compartment chamber for burning sulfur with oxygen in air
07/02/1985US4526768 Process for producing sulphuric acid
07/02/1985US4526590 Passing gas stream through sulfur condenser and removing liquid, multistage cooling to condense sulfur, then water
06/1985
06/25/1985US4525338 Conversion to sulfur using redox catalyst
06/11/1985US4522723 Reduction of sulfate ions to sulfides with bacteria
06/05/1985EP0143416A2 Process for the recovery of paraffin sulfonates, poor in alkali sulfates from paraffin sulfoxidation reaction mixtures
05/1985
05/29/1985EP0142911A1 Process for producing and recovering elemental sulfur from acid gas (1111111)
05/29/1985EP0142804A2 Liquid phase Claus reaction
05/28/1985US4520006 Entrainment in an inert gas
05/28/1985US4520003 Catalytic oxidation of sulfur dioxide with stoichiometric deficiency of oxygen
05/28/1985US4520002 Method for preparing elemental sulfur as a diffusion-resistant gas and methods for its use in making lime, sulfur dioxide and sulfuric acid from waste gypsum
05/28/1985US4519992 Process for purifying gases from hydrogen sulphide
05/28/1985US4519991 Selective absorption by a liquid
05/22/1985EP0141872A1 Removal of hydrogen sulfide from steam
05/22/1985EP0061444B1 Method for removing hydrogen sulfide from gas streams
05/21/1985US4518577 Sulfur separation process
05/21/1985US4518576 H2 S Removal from gas streams
05/21/1985US4518572 Method of washing hydrogen sulfide from coke oven gas by the ammonium sulfide method
05/15/1985EP0141169A1 Process for purifying a gas stream
05/14/1985US4517170 Removal of H2 S from sour gas streams with subsequent sulfur separation
05/08/1985EP0140573A2 Process and apparatus for recovery of sulfur from ammonia containing acid gas streams
05/08/1985EP0140218A2 Stable, inert organic liquid-containing sodium dithionite compositions and their use
05/08/1985EP0140045A2 Process for the desulfurisation of gases containing H2S
05/07/1985CA1186490A1 Process for the removal of h.sub.2s and co.sub.2 from gaseous streams
05/02/1985EP0139449A1 Process for purifying gases containing sulphur dioxide
05/02/1985EP0139121A1 Method for the production of sulfur dioxide
05/02/1985EP0139120A1 Method for the production of sulfur dioxide
04/1985
04/30/1985US4514375 Claus process using decomposition gases from wash liquors
04/30/1985CA1186133A1 Production of sulfur from an h.sub.2s-bearing gas stream
04/23/1985CA1185917A1 Waste water treating process for feeds with high nh.sub.3/h.sub.2s ratios
04/23/1985CA1185768A1 Process for the production of elemental sulphur
04/17/1985EP0137014A1 Method for two stage in-line acid mixing
04/16/1985US4511668 Catalyst for use in hydrolysis of carbonyl sulfide
04/16/1985US4511549 Process for the elimination of waste water produced upon the desulfurization of coking oven gas by means of wash solution containing organic oxygen-carrier, with simultaneous recovery of elemental sulfur
04/02/1985US4508699 Claus process improvement
04/02/1985US4508698 Process and system for producing and recovering elemental sulfur
04/02/1985US4508693 Ammonium polysulfide
04/02/1985US4508593 Reacting sulfur dioxide, chlorine gas and water to give hydrochlo9ic and sulfuric acid
04/02/1985US4508537 Mixing hydrocarbon and nonionic surfactant in oxidizer vessel
04/02/1985US4508049 Method and a device for the production of electrical components, in particular laminated capacitors
04/02/1985CA1184741A1 Recovery of elemental sulfur from sour gas
03/1985
03/27/1985EP0134947A1 Method and apparatus for improved gettering for reactant gases
03/26/1985US4507335 Nucleation in a rotating drum
03/26/1985US4507275 Claus process
03/26/1985US4507274 Desulfurization of H2 S-containing gases
03/26/1985CA1184371A1 Stabilization of ligands
03/20/1985EP0134594A1 Process for the oxidation of hydrogen sulphide to elemental sulphur and/or sulphur dioxide
03/20/1985EP0134593A1 Process for the production of elemental sulphur
03/19/1985US4505881 Forms ammonium thiocyanate; stripping hydrolysis
03/19/1985CA1184169A1 Regeneration process for poisoned claus alumina catalyst, including naoh activation
03/13/1985EP0134118A2 A membrane process for converting sodium sulfate into sulfuric acid and sodium carbonate
03/12/1985US4504459 Extraction of elemental sulphur from sulphur compound gases
03/12/1985US4504458 Gypsum conversion
03/12/1985CA1183691A1 Method for removing sulphur in conjunction with the gasification of carbonaceous material in metal smelts
03/05/1985US4503018 Desulfurization of phosphogypsum
03/05/1985CA1183330A1 Process for reducing the total sulphur content of a high co.sub.2-content feed gas
02/1985
02/27/1985EP0133505A2 Process for the treatment of diluted acids
02/26/1985US4501725 Process for the combustion of H2 S containing gases
02/13/1985EP0132996A1 Improved system and process for producing and recovering elemental sulfur
02/13/1985EP0132820A2 Process for reprocessing sulphuric acids containing metal sulphate
02/12/1985US4499058 Solvent extraction using organic phorphous compound
1 ... 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 ... 118