Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
02/1985
02/12/1985CA1182280A1 Process for the removal of h.sub.2s and co.sub.2 from a gas mixture
02/12/1985CA1182275A1 Method of manufacturing sulphuric acid
02/05/1985US4497635 Sulfur remelting
01/1985
01/29/1985US4496534 Method for reconditioning bacteria-contaminated hydrogen sulfide removing systems
01/29/1985CA1181569A1 Apparatus and process
01/29/1985CA1181568A1 Method and apparatus for making sulphuric acid
01/23/1985EP0132090A1 Extraction of elemental sulphur from sulphur compound gases
01/22/1985US4495161 Energy recovery method and system for combined sulphuric acid and phosphoric acid manufacturing plant
01/22/1985CA1181360A1 Production of carbonyl fluoride
01/15/1985US4493716 Apparatus for the separation of hydrogen sulfide from a gas mixture
01/09/1985EP0130967A1 Heat recovery from concentrated sulfuric acid
01/09/1985EP0130594A1 Process for producing materials with optical transparency in the infrared
01/08/1985CA1180536A1 Removal of hydrogen sulfide from fluid streams with minimum production of solids
01/02/1985EP0129903A2 Process for the preparation of a catalyst for the oxidation of sulfur dioxide to sulfur trioxide
01/01/1985US4491572 Process for preparing sulfur dioxide
12/1984
12/27/1984CA1179826A Oxidation of so.sub.2 and h.sub.2so.sub.4 manufacture
12/25/1984US4490487 SO3 /Imide adducts, process for their preparation and their use as sulphonating agents
12/25/1984US4490347 Process for sulfuric acid regeneration
12/19/1984EP0128698A1 Process and reactor for desulfurization of hot waste gas
12/18/1984US4488971 Process for even division of substances and mixtures of substances in the course of manufacture of pulverulent preparations by chemical reaction
12/12/1984EP0127664A1 A method for producing pure sulphuric acid and a high-grade mercury product from gases that contain sulphur dioxide and mercury
12/11/1984US4487754 System and process for producing and recovering elemental sulfur
12/11/1984US4487753 Hydrogen sulfide, carbon dioxide, oxygen, transition metal phthalocyanine catalyst
12/11/1984US4487023 Process for preparing a gasified ice product
12/06/1984WO1984004700A1 Method for purifying gas from sulphurous compounds
12/06/1984WO1984004699A1 Catalyst for the gaseous phase oxidation of sulphurous compounds
12/05/1984EP0127206A1 Process for desulfurizing fuel gases
12/05/1984EP0126763A1 A method for producing pure sulphuric acid and a high-grade mercury product from gases that contain sulphur dioxide and mercury
12/04/1984US4486283 Electrodialysis
11/1984
11/27/1984US4485190 For sulfur dioxide, silicious support, vanadium pentoxide, potassium hydroxide, sodium salt, roasting
11/27/1984US4485189 Catalyst for the desulfurization of industrial waste gases and process for its preparation
11/27/1984US4485082 Removal of oxalate ion from gas treating solutions
11/20/1984US4483844 Desulfurization, claus process
11/20/1984US4483843 Desulfurization process for hydrogen sulfide containing gases
11/20/1984US4483838 Steam stripping
11/20/1984US4483834 Gas treating process for selective H2 S removal
11/20/1984US4483357 Method for two stage in-line acid mixing
11/20/1984CA1178028A1 Catalyst and process for oxidizing hydrogen sulfide
11/20/1984CA1178025A1 Method for producing a pressurized oxide of sulfur
11/14/1984EP0125142A2 A process for the regeneration of mixtures containing sulphuric acid and metal sulphates into sulphuric acid and metal oxides
11/13/1984US4482532 System and process for producing elemental sulfur
11/13/1984US4482529 Bicyclo tertiary amine or bicyclo amidines
11/13/1984US4482524 Gas-liquid reactor
11/07/1984EP0124162A2 Treatment of low concentration H2S gas streams in liquid phase Claus reactor
11/06/1984US4481181 Hydrogen production from in situ partial burning of H2 S
10/1984
10/30/1984US4479929 Production of sulfur from a H2 S-bearing gas stream
10/30/1984US4479928 Catalytic process for the production of sulphur from a gas containing H.sub. S
10/30/1984US4479926 Combustion, scrubbing
10/30/1984CA1176823A1 Recycle of hydrogenated sulfur plant tail gas to sour gas scrubbing system
10/24/1984EP0122838A1 Process for the high-temperature regeneration of an iron-containing desulfurization mass
10/24/1984EP0039266B1 Oxidation process of hydrogen sulfide and organic compounds of sulfur
10/23/1984US4478811 Method for preventing sulfur emissions from vessels containing molten sulfur
10/23/1984US4478809 Indirect herat exchanging without condensation of vapors
10/23/1984US4478808 Method of producing sulphur trioxide
10/23/1984US4478807 Method for manufacture of ammonium thiosulfate from ammonia and _solid sulfur or H2 S rich gas stream and/or both solid sulfur _and H2 S gas streams
10/23/1984US4478800 Reation with metal oxides
10/23/1984CA1176515A1 Reducing corrosion of pauling boilers
10/23/1984CA1176433A1 Sulphur recovery process
10/17/1984EP0121687A1 Single step purification of sulfur dioxide gas prepared by the combustion of sulfur containing compounds
10/16/1984US4477426 Process for preparing a sulfur dioxide containing gas stream for reaction with coal
10/10/1984EP0121337A1 Method for purification of sulfuric acid solution
10/09/1984US4476245 Preparative process for alkaline earth metal, aluminum-containing spinels
10/09/1984CA1175640A1 Low sulfur content hot reducing gas production using calcium oxide desulfurization
09/1984
09/25/1984US4473541 Low water content sulfur recovery process
09/25/1984CA1174832A1 Method and arrangement for concentrating mineral acids, especially sulphuric acid
09/19/1984EP0118713A2 Process for the removal of sulphur dioxide from waste gases
09/18/1984CA1174432A1 Manufacture of hydrogen sulfide
09/12/1984EP0117986A2 Process and apparatus for the concentration and purification of sulfuric acid containing organic impurities
09/11/1984US4471070 Useful as oxidation catalysts to reduce ammounts of sulfur oxides
09/11/1984US4470961 Utilization of impure steam and recovery of deuterium therefrom
09/11/1984US4470845 Oxidation, multistage, desulfurization
09/11/1984CA1174012A1 Process for recovery of sulfur dioxide liberated in the chemical pulping of lignocellulosic material
09/04/1984US4469803 Regeneration process for poisoned Claus alumina catalyst, including NaOH activation
09/04/1984US4469668 Integrated system for pollution abatement and energy derivation from geothermal steam
09/04/1984CA1173629A1 Sulphur recovery process
09/04/1984CA1173628A1 Froth process
09/04/1984CA1173627A1 Extraction process
09/04/1984CA1173626A1 Process for the removal of acid gases from gaseous streams
08/1984
08/30/1984WO1984003232A1 Method for two stage in-line acid mixing
08/28/1984CA1173217A1 Reduction of sulfur dioxide with recycled coal
08/21/1984CA1172830A2 Converter
08/21/1984CA1172829A2 Converter
08/15/1984EP0115880A1 Process for preparing sulphuric acid
08/15/1984EP0115879A1 Process for preparing sulphuric acid and oleum
08/15/1984EP0115719A1 Process for the purification of sulfuric acid as a by-product of the synthesis of boron trifluoride
08/14/1984US4465546 Selenides, tellurides, arsenides, phosphides
08/14/1984CA1172428A1 Process for reacting hydrogen sulphide with oxygen
08/08/1984EP0115449A2 Hydrogen sulfide oxidation catalyst
08/01/1984EP0114550A2 Hydrogen sulphide enrichment of gases containing same
07/1984
07/31/1984US4463065 Ribbed catalysts coated electrolytes
07/31/1984US4462977 Recovery of elemental sulfur from sour gas
07/31/1984US4462814 Distillative separations of gas mixtures containing methane, carbon dioxide and other components
07/31/1984CA1171846A1 Activated alumina claus catalyst and method
07/31/1984CA1171845A1 Catalyst and process for the treatment of residual industrial gases containing sulfur compounds
07/31/1984CA1171639A1 Method for treating the residue from the production of phosphorochloridothionates
07/24/1984US4461755 Thermal decomposition in presence of refractories
07/24/1984US4461754 Method of removing hydrogen sulfide from gases utilizing a stabilized chelate solution
07/24/1984CA1171238A1 Chlorine dioxide production using mixed acid feed
07/17/1984CA1170816A1 Production of mixed acid feed for chlorine dioxide generation
07/10/1984US4459275 Process for production of sulfur from SO2 -containing gas