| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
|---|
| 05/12/1998 | US5750020 Cyclic, fluidized catalytic-cracking of hydrocarbon feedstock including oxides of nitrogen and sulfur, converting nitrogen oxide in regeneration zone by exposing gas stream to a catalyst bed of microcrystalline mixed oxides |
| 05/12/1998 | US5750019 Process for hydrometallurgic and electrochemical treatment of sulfur antimony ores with production of electrolytic antimony and elemental sulfur |
| 05/07/1998 | WO1998018716A1 Process for preparing sulphuric acid from gasses containing so3 and gaseous nitrosylsulphuric acid |
| 05/07/1998 | DE19644546C1 Verfahren zur Herstellung von Schwefelsäure aus Gasen, die SO¶3¶ und gasförmige Nitrosylschwefelsäure enthalten A process for producing sulfuric acid from gases which SO¶3¶ and gaseous nitrosyl |
| 05/06/1998 | EP0839792A1 Process for the production of intermediate for liquid crystal compound |
| 05/06/1998 | EP0839117A2 Liquid phase conversion of a source of sulfur dioxide to sulfuric acid |
| 05/06/1998 | EP0766650B1 Anaerobic removal of sulphur compounds from waste water |
| 05/06/1998 | CN1180583A Method and apparatus for processing gas containg hydrothion and sulfur dioxide containing circulating solvent lean sulfur step |
| 04/29/1998 | EP0838429A1 Temperature moderation of an oxygen enriched claus sulfur plant using an ejector |
| 04/29/1998 | EP0719236B1 Improvements in or relating to sulphur production from sulphur-bearing gas streams |
| 04/29/1998 | CN2280087Y Reactor for conversion sulfur oxides by use of heat pipe heat-exchange |
| 04/28/1998 | US5743929 Process for the production of high purity carbon dioxide |
| 04/23/1998 | WO1998016492A1 Co-oxidation of h2s and saturated hydrocarbons |
| 04/23/1998 | WO1998016464A1 Method for upgrading used sulfuric acids |
| 04/23/1998 | WO1998016462A1 Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed |
| 04/23/1998 | CA2268414A1 Method for upgrading used sulfuric acids |
| 04/23/1998 | CA2268242A1 Co-oxidation of h2s and saturated hydrocarbons |
| 04/21/1998 | US5741469 Gas streams contact magnesium aluminate (solid oxide), sulfonated solid oxide, reduced regenerating solid oxide, and off-gas elemental sulfur |
| 04/16/1998 | WO1998015357A1 BARRIER DISCHARGE CONVERSION OF SO2 AND NOx TO ACIDS |
| 04/16/1998 | DE19642328A1 Verfahren zur Aufkonzentrierung von gebrauchten Schwefelsäuren Process for concentrating spent sulfuric acids |
| 04/15/1998 | EP0835341A1 Method for producing polysulfides by electrolytic oxidation |
| 04/14/1998 | US5738834 System for removal of hydrogen sulfide from a gas stream |
| 04/14/1998 | US5738758 Process for the conversion of calcium sulfide |
| 04/08/1998 | CN1178195A Production of crystal anhydrous sodium sulphate from nitrate containing brine |
| 04/07/1998 | US5736117 Sulfur debonding agent enhancing sulfur recovery from a hydrogen sulfide conversion process |
| 04/07/1998 | US5736108 Cooler (which uses cold water) in liquid cycle line for rapid cooling of reactor during interruptions |
| 04/07/1998 | CA2040414C Disposable oxide carrier for scavenging hydrogen sulfide |
| 04/02/1998 | WO1998013297A1 Method of preparing lithium salts |
| 04/01/1998 | EP0832039A1 Method and device for processing a hydrogen sulphide-containing gas, comprising a cooling step for crystallised sulphur removal |
| 03/31/1998 | US5733516 Process for removal of hydrogen sulfide from a gas stream |
| 03/26/1998 | WO1998011776A1 Powders providing controlled sustained release of a gas |
| 03/26/1998 | DE19723194A1 Working up organic waste material |
| 03/25/1998 | EP0831057A1 Process for the treatment of metal sulfates |
| 03/24/1998 | US5730950 Sulfuric acid waste recycling by regenerative process |
| 03/24/1998 | US5730784 Oxidation to sulfur dioxide |
| 03/18/1998 | EP0829453A1 Process and apparatus for the treatment of gases containing hydrogen sulphide and sulphur dioxide including a sulphur reduction step of the recycled solvent |
| 03/18/1998 | EP0829452A1 Process and apparatus for treatment of gases containing hydrogen sulphide and sulphur dioxide including a sulphur removal step by cooling of the exhaust gas |
| 03/18/1998 | EP0828549A1 Process for the dry desulphurisation of a combustion gas |
| 03/17/1998 | US5728608 Sulfur hexafluoride and chlorine |
| 03/17/1998 | US5728358 Sulfur oxides |
| 03/12/1998 | WO1998009714A1 Process and system for removal of hydrogen sulfide from a gas stream |
| 03/12/1998 | WO1998009713A1 Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents |
| 03/12/1998 | CA2264844A1 Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents |
| 03/11/1998 | CN1175550A Method for refining waste sulfuric acid from alkylation |
| 03/11/1998 | CN1037693C Process for purifying high-temp. reducing gases |
| 03/10/1998 | US5725802 Oxidizing, sulfiding, and salt formation by reacting metal with gas in perfluoropolyether oil |
| 03/04/1998 | EP0779879A4 Very high temperature and atmospheric pressure superconducting compositions and methods of making and using same |
| 02/24/1998 | US5720797 Pressure swing adsorption |
| 02/19/1998 | WO1998006260A1 Silver-based antimicrobial compositions |
| 02/18/1998 | CN1173854A Method for removing virtually all the sulphur compounds H2S, SO2, COS and/or CS2 from sulphou plant waste gases, and recovering such compounds as sulphur |
| 02/17/1998 | US5718872 Apparatus for controlling the hydrogen sulfide concentration in the acid gas feedstock of a sulfur recovery unit |
| 02/11/1998 | CN1173163A Method and catalyst for catalytically oxidising a low concentration of H2S in a gas to give sulphur |
| 02/11/1998 | CN1172686A Removal of metal compounds from acid solution |
| 02/05/1998 | WO1998004503A1 Biological treatment of spent caustics |
| 02/05/1998 | WO1998004337A1 Natural gas treatment process |
| 02/05/1998 | WO1998004336A1 Method and apparatus for treating gas by irradiation of electron beam |
| 02/05/1998 | WO1997036970A3 Method for fluidizing tars |
| 02/05/1998 | DE19636191A1 Purification of sulphuric acid used for nitration of aromatics |
| 02/05/1998 | CA2261882A1 Biological treatment of spent caustics |
| 02/05/1998 | CA2232962A1 Natural gas treatment process |
| 01/29/1998 | WO1998003429A1 Barrier discharge so2 to so3 converter |
| 01/29/1998 | DE19625538A1 Combined cement and sulphuric acid production |
| 01/28/1998 | CN1171288A Process and apparatus for cracking ammonia present in gas containing hydrogen sulphide |
| 01/27/1998 | US5711929 From mercury with sulfide and polysulfide anions, extraction |
| 01/27/1998 | US5711928 Process for producing high-purity sulfuric acid |
| 01/27/1998 | US5711803 Preparation of a semiconductor thin film |
| 01/22/1998 | WO1998002524A1 Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 01/22/1998 | WO1998002381A1 PROCESS FOR REMOVING NOx FROM NITROSYLSULPHURIC ACID |
| 01/22/1998 | WO1998002380A1 Method of manufacturing sulphuric acid |
| 01/22/1998 | CA2261287A1 Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 01/21/1998 | EP0819756A1 Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 01/21/1998 | EP0599917B1 Production of alkali metal hydroxide and regeneration of pulp liquors |
| 01/21/1998 | CN1170625A Gas seperation |
| 01/15/1998 | WO1998001387A1 Process for the recovery of sulfur from so2 containing gases |
| 01/15/1998 | DE19628357A1 Production of nanocrystalline metal sulphide or (sulpho)selenide |
| 01/15/1998 | DE19628169A1 Verfahren zum Herstellen von Schwefelsäure A process for the manufacture of sulfuric acid |
| 01/15/1998 | CA2259946A1 Process for the recovery of sulfur from so2 containing gases |
| 01/14/1998 | EP0640004B1 Method for the direct, high-selectivity, catalytic, oxidative conversion into sulphur of h2s present in a low concentration in a gas |
| 01/14/1998 | CN1036977C Desulphurisation of waste gases |
| 01/13/1998 | US5707960 Amorphous sodium silicate-metal sulfate composite powder |
| 01/07/1998 | EP0814894A1 Process for the treatment of gases |
| 01/07/1998 | EP0724546B1 Processes for the treatment of acidic liquors and for the production of commercial products thereby |
| 12/30/1997 | US5702570 Process of producing sodium hydroxide from sodium sulphate in a pulp mill |
| 12/24/1997 | WO1997048480A1 Hydrotalcite sulfur oxide sorption |
| 12/17/1997 | EP0672019B1 Process for recovering sulfur and hydrogen from hydrogen sulfide |
| 12/10/1997 | EP0810974A1 Method for partially oxidising a gas stream containing hydrogen sulphide |
| 12/04/1997 | WO1997045887A1 Method and apparatus for desulfurizing fuel gas |
| 12/04/1997 | CA2256731A1 Method and apparatus for desulfurizing fuel gas |
| 12/03/1997 | CN1036575C Process for purification and concentration of waste sulfuric acid from nitrating aromatic compound nitration mixture |
| 12/02/1997 | US5693297 Gas treatment method |
| 12/02/1997 | CA1339563C Treatment of gas streams |
| 11/27/1997 | WO1997044278A1 Bulk synthesis of inorganic fullerene-like structures of metal chalcogenides |
| 11/26/1997 | CN1165779A Tech. for directly preparing high concentration chlorosulfonic acid by utilizing low density hydrogen chloride |
| 11/24/1997 | CA2177212A1 Converter for sulphuric acid plants |
| 11/19/1997 | EP0807607A1 Process for working up spent photographic processing baths |
| 11/19/1997 | EP0807606A1 Process for working up of photographic baths resulting from colour processing |
| 11/19/1997 | CN1165134A Method for treating waste sulfuric acid produced in acetochloral production |
| 11/12/1997 | EP0806487A1 Extraction of antimony from sulfide ores by alkaline leaching, recovery of elemental sulfur and electrowinning antimony from fluoborate solution |
| 11/12/1997 | EP0805713A1 Process and apparatus for purification of contaminated acids |
| 11/11/1997 | US5686613 Tridentate metal ligands of certain pyridine phosphonic acids |