Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
11/1983
11/29/1983US4418014 Process for the manufacture of sulphur which can be recycled
11/23/1983EP0094751A1 Recovery of elemental sulfur from sour gas
11/22/1983CA1157234A1 Process for catalytic burning of residual gases containing at least one sulphur compound of the groups cos, cs.sub.2 in low concentration, and mercaptans
11/22/1983CA1157233A1 Process for the production of insoluble sulfur
11/16/1983EP0093909A1 Process for decomposing diluted sulfuric acid
11/15/1983US4415543 Washing with water; heating; roasting; defluorination; desulfurization
11/08/1983US4414194 Extraction process
11/08/1983CA1156438A1 Method of and apparatus for recovering elemental sulfur
11/08/1983CA1156436A1 Treatment of flue gases
11/08/1983CA1156428A1 Process for the concentration and cleaning of sulfuric acid
11/01/1983US4412981 Conversion of hydrogen sulfide to sulfur by direct oxidation
11/01/1983US4412977 Selective acid gas removal
11/01/1983CA1156210A1 Process for preparing catalysts or catalysts supports made from titanium dioxide and their use in the claus catalysis
11/01/1983CA1156022A1 Process for purifying residual sulfuric acids from the synthesis of alcohols
10/1983
10/26/1983EP0091948A1 Flowing melt layer process for production of sulfides
10/26/1983EP0091938A1 A method in the manufacture of sulphuric acid from gases generated in discontinuous processes.
10/25/1983CA1155788A1 Device for concentration and possible purification of mineral acids, particularly sulphuric acid
10/25/1983CA1155634A1 Production of liquid sulfur trioxide
10/19/1983EP0091679A1 Thermal decomposition of waste sulfuric acid
10/19/1983EP0091551A1 Method of desulphurising gases containing H2S
10/11/1983US4409199 Removal of H2 S and COS
10/11/1983US4409064 Spraying a liquid uniformly over a mist eliminator pad
10/11/1983CA1154933A1 Method of producing sulphur trioxide
10/05/1983EP0090692A1 Process for recovering and purifying a residual sulphuric acid containing titanium salts
10/05/1983EP0090592A2 Metal recovery process
10/04/1983CA1154734A1 Catalyst and oxidation process for hydrogen sulfide and/or sulfur-containing organic compound
09/1983
09/28/1983EP0089653A2 Process for separating sulfuric acid from the product mixture resulting from the sulfoxidation of paraffins
09/27/1983US4406873 Process for sulfur production
09/27/1983US4406760 Sulfating olefin feed
09/27/1983CA1154213A1 Sulfur prilling
09/20/1983US4405593 Process of decreasing the sulfur content of exhaust gases obtained during the recovery of sulfur
09/20/1983US4405424 Method for producing hydrogen and elemental sulphur by photochemical oxidation-reduction of hydrogen sulphide and metal sulphides
09/20/1983CA1153892A1 Process for removing h.sub.2s from sour gases with generation of a claus feed gas
09/13/1983US4404180 Manufacture of hydrogen sulfide
09/06/1983US4402930 Sulfur recovery process
09/06/1983US4402304 Sulfur melting apparatus and method
09/06/1983CA1153317A1 Process for dry desulfurization of flue gas
08/1983
08/31/1983EP0087346A1 Process for the regeneration of residual sulfuric acids contaminated with organic material
08/31/1983EP0087338A2 Continuous process for the preparation of sulfurhexafluorine in a flame reactor
08/31/1983EP0086919A1 Process for the selective removal of hydrogen sulfide from gaseous stream
08/30/1983US4401642 Froth process
08/23/1983US4400369 Accumulating circulating air, mixing with acid gas, passing through catalytic reaction zone, then condensing
08/23/1983US4400368 H2 S Removal process
08/23/1983US4400361 Oxidation to elemental sulfur with reduction of vanadium
08/23/1983CA1152337A1 Leaching of sulphidic mattes containing non-ferrous metals and iron
08/23/1983CA1152285A1 Process and apparatus for regenerating sulphuric acid
08/16/1983US4399112 Process for the catalytic incineration of residual gases containing a low content of at least one sulfur compound selected from COS, CS2 and the mercaptans and possibility at least one member of the group
08/16/1983CA1151848A1 Removal of sulfur from waste gas streams
08/10/1983EP0085666A2 Method of processing sulfuric acid having a content of metal sulfates
08/10/1983EP0085213A2 Catalyst and process for oxidizing hydrogen sulfide
08/09/1983US4397829 Process for treating chlorine-containing organic compounds
08/09/1983US4397660 Preferential absorption of hydrogen sulfide and carbon dioxide
08/09/1983CA1151514A1 Method of polishing glass ware with sulfuric acid and hydrofluoric acid
08/09/1983CA1151399A1 Method of washing h.sub.2s out of coke-oven gas
08/09/1983CA1151372A1 Method of sulfur prilling
08/04/1983WO1983002605A1 Electrocatalytic energy conversion and chemicals production
08/03/1983EP0084674A1 Process for the purification of residual sulphuric acid
08/02/1983US4396594 Pollution control
07/1983
07/26/1983US4395390 Controlled combustion of ammonia containing acid gas, then catalytic oxidation
07/20/1983EP0083831A1 Process for producing sulfuric acid and ammonia
07/19/1983US4394364 Separation of boric acid from mixtures thereof with sulphuric acid
07/19/1983US4394119 Process for combusting ammonia-containing gases which also contain hydrogen sulfide
07/19/1983CA1150036A1 Flue gas desulfurization process
07/12/1983US4393037 Bactericides, surfactants
07/12/1983US4393036 From sulfur dioxide, water, and excess chlorine
07/12/1983US4393035 Cooling in falling film absorber, heat exchanging
07/12/1983US4392991 Vpor deposition on metal oxide support
07/12/1983CA1149797A1 Heavy metal adsorbents of high selectivity, process for production of same, and adsorption process
07/12/1983CA1149722A1 Evaporator for concentrating mineral acid, particularly sulphuric acid
07/05/1983US4391791 Heat exchanging, condensation, solidification
07/05/1983US4391790 Method and apparatus for reducing the ammonia concentration of sulfur recovery facility gas streams
07/05/1983CA1149131A1 High efficiency production of chlorine dioxide
06/1983
06/29/1983EP0082831A2 Vanadium pentoxide catalysts and use thereof
06/29/1983EP0082579A1 Self-regulating process for removal of hydrogen sulfide from gases
06/28/1983US4390516 Oxidizing polyvalent metal compound, hydrogen sulfide removal, alcohol extraction
06/28/1983US4390515 Claus process; high speed feedback of measurement of gas flow and acid gas conventration; process control
06/28/1983US4390514 Method of preparing chalocogenides of group VIII by low temperature precipitation from nonaqueous solution, the products produced by said method and their use as catalysts
06/28/1983US4390511 Process for producing SF6 through SF5 Cl
06/28/1983CA1148726A2 Pelletizing method and apparatus
06/23/1983WO1983002068A1 Method for catalytic desulphuration of an acid gas containing h2s
06/21/1983US4389383 Regenerable process for the selective removal of sulfur dioxide from effluent gases
06/21/1983US4389356 Sulfur prilling
06/21/1983US4389247 Metal recovery process
06/21/1983CA1148329A1 Degassing and/or deashing molten sulfur
06/14/1983US4388293 H2 S Removal
06/14/1983US4388291 Conversion of thiosulfate formed to non-inhibiting substance
06/14/1983US4388290 Aluminum chloride, sulfur
06/14/1983US4388288 Preparation of shaped titanium dioxide catalyst/carrier and catalysis of gaseous sulfur compounds therewith
06/07/1983US4387084 Process for treating thiosulfate containing liquors
06/07/1983US4387037 Reducing degradation of a trialkyl phosphate solvent using a alkanolaminium carboxylate, or alkali metal(or ammonium salt) of carboxylic or benzoic acid
06/07/1983CA1147529A1 Purification of boron-containing sulfuric acid
06/01/1983EP0080216A1 Process for combusting hydrogen sulphide-containing gases and burner for use in such a process
05/1983
05/31/1983US4386061 Method of treating pyrite bearing polymetallic material
05/24/1983CA1146722A1 Energy recovery method and system for combined sulphuric and phosphoric acid manufacturing plant
05/17/1983US4383983 Method for the removal of carbon or carbon compounds from a waste stream
05/17/1983US4383841 Distillative separation of carbon dioxide from hydrogen sulfide
05/17/1983US4383821 Automatic shutoff for sulfur melter apparatus
05/11/1983EP0078690A2 Process for the reduction of the sulfur content in a gaseous stream
05/10/1983US4382918 Method of removing hydrogen sulfide from gases utilizing a stabilized iron chelate solution
05/10/1983US4382912 Selective combusting of hydrogen sulfide in carbon dioxide injection gas