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