| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 01/03/1997 | WO1997000228A1 Process for producing high-purity sulfuric acid |
| 01/03/1997 | WO1997000227A1 Process for producing high-purity chemicals |
| 01/03/1997 | WO1997000226A1 Method and device for processing a hydrogen sulphide-containing gas, comprising a cooling step for crystallised sulphur removal |
| 01/02/1997 | DE19522927A1 Concentrated sulphuric acid is manufactured in a process with two contact stages in the presence of steam |
| 01/01/1997 | CN1033689C Process of purifying loaded waste gases from oil burning device |
| 12/31/1996 | CA2007974C Liquid oxidizing method and apparatus |
| 12/31/1996 | CA1338816C Sulfuric acid process and apparatus |
| 12/31/1996 | CA1338815C Condensing sulfuric acid vapours to produce sulfuric acid |
| 12/24/1996 | US5587142 Synergistic effect |
| 12/18/1996 | EP0542838B1 Process for recovering sulphur from a h2s-containing gas stream under high pressure |
| 12/17/1996 | US5585005 Bubbling gas stream having sulfur-containing impurities into aqueous catalytic solution for oxidation to solid sulfur particles, then frothing and adsorption of more impurities before skimming |
| 12/12/1996 | WO1996039242A1 Treatment of hydrogen sulphide-containing gas streams |
| 12/12/1996 | WO1996031262A3 Liquid phase conversion of a source of sulfur dioxide to sulfuric acid |
| 12/11/1996 | EP0747318A1 Process and apparatus for the rapid cooling of a hydrogen and elemental sulfur containing hot gas mixture |
| 12/11/1996 | EP0746651A1 Polysulfide production in white liquor |
| 12/11/1996 | CN1137485A Method for extracting elementary sulfur from containing H2S mixed gas |
| 12/09/1996 | CA2176617A1 Process and apparatus for a rapid cooling of a hot gas mixture which contains hydrogen and elementary sulfur |
| 12/05/1996 | WO1996038378A1 Catalytic desulphurization process for a gas containing h2s and so2 compounds, and catalyst for implementing said process |
| 12/05/1996 | DE19527067C1 Sulphur conditioning plant, requiring reduced heat energy |
| 12/04/1996 | EP0744989A1 A method for removing hydrogen sulfide from gas streams |
| 12/03/1996 | CA2063860C Purification of sulfur hexafluoride |
| 11/27/1996 | EP0744377A1 Sulfur recovery enhanced by oxygenenriched gas supplied by gas separation membranes |
| 11/27/1996 | CN1136801A Reactor container, plant and process for production of sulfuric acid |
| 11/27/1996 | CA2177299A1 Sulfur recovery enhanced by oxygen-enriched gas supplied by gas separation membranes |
| 11/26/1996 | US5578093 Fluid bed desulfurization |
| 11/26/1996 | CA2087407C Method for conditioning flue gas |
| 11/21/1996 | WO1996036561A1 Catalysts and process for selective oxidation |
| 11/21/1996 | WO1996036422A1 Process for selective oxidation |
| 11/21/1996 | WO1996036421A1 Process for the dry desulphurisation of a combustion gas |
| 11/21/1996 | DE19517863A1 Verfahren zur trockenen Entschwefelung eines Verbrennungsabgases A process for the dry desulphurisation of a combustion exhaust gas |
| 11/20/1996 | EP0742786A1 Methods for the synthesis of chemical compounds |
| 11/13/1996 | CN1135456A Active-carbon finely sweetening agent and preparation thereof |
| 11/13/1996 | CN1135371A Fluid-bed sweetening |
| 11/12/1996 | US5574281 Sensing device for incorporating thermally bistable material |
| 11/12/1996 | CA2066631C Catalytic destruction of sulfur-oxygen anions |
| 11/06/1996 | EP0740580A1 Desulfurizing a gas stream |
| 10/30/1996 | CN1134688A Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, process for preparing such catalyst and process for the selective oxidation of sulfur compounds to elemental sulfur |
| 10/30/1996 | CN1134396A Pure-oxygen normal pressure synthesis process of liquid sulfur trioxide |
| 10/30/1996 | CN1033156C Producing process for sodium sulfide |
| 10/29/1996 | US5569633 Ion transport membranes with catalyzed dense layer |
| 10/29/1996 | US5569443 Method for removing hydrogen sulfide from a gas using polyamino disuccinic acid |
| 10/29/1996 | US5569315 Placing individual amounts of molten material on cooling surface to solidify, collecting air containing released vapors in space above surface, causing some material to crystallize out, transporting waste air to cleaner |
| 10/24/1996 | WO1996033015A1 Pretreatment of catalyst support to enhance catalytic dehydrogenation of a hydroquinone |
| 10/24/1996 | CA2212892A1 Pretreatment of catalyst support to enhance catalytic dehydrogenation of a hydroquinone |
| 10/23/1996 | EP0738538A1 Fluid bed desulfurization |
| 10/22/1996 | US5567401 Method of producing stable metal oxides and chalcogenides and power source |
| 10/16/1996 | CN1133568A Method and apparatus for absorbing hydrogen sulphide |
| 10/15/1996 | US5565016 Method for suspension smelting |
| 10/10/1996 | WO1996031262A2 Liquid phase conversion of a source of sulfur dioxide to sulfuric acid |
| 10/09/1996 | EP0486676B1 PROCESS USING SORBENTS FOR THE REMOVAL OF SOx FROM FLUE GAS AND OTHER GAS STREAMS |
| 10/08/1996 | US5562828 Method and apparatus for recovering acid and metal salts from pricklining liquors |
| 10/03/1996 | WO1996030110A1 Process for the treatment of gases |
| 10/02/1996 | EP0734353A1 Reactor container, plant and process for the production of sulfuric acid |
| 10/02/1996 | CN1132199A Method for prodn. of sulfoxide chloride |
| 10/02/1996 | CN1132104A Extraction of acids and metal salts from queous solutions with diethyl dodecylphosphonate |
| 09/26/1996 | DE19510915A1 Sulphur@ recovery from waste gas from Claus plant |
| 09/25/1996 | EP0652849B1 Process for the preparation of metal sulphides |
| 09/18/1996 | CN1032802C Catalyst for selective oxidation of sulphur compounds to elemental sulphur and its usage |
| 09/17/1996 | US5556606 Method and apparatus for controlling the hydrogen sulfide concentration in the acid gas feedstock of a sulfur recovery unit |
| 09/17/1996 | US5556605 From co2 and h2s from oxidation of spent cellulose liquor |
| 09/12/1996 | WO1996027425A1 Hydrogen sulfide conversion process |
| 09/12/1996 | CA2187648A1 Hydrogen sulfide conversion process |
| 09/11/1996 | CN1032748C Preparation method for low-zinc sodium bisulphite formaldehyde |
| 09/10/1996 | US5554355 Oxide slurry for industrial process applications |
| 09/10/1996 | US5554350 Heat exchange |
| 09/04/1996 | EP0729786A1 Catalyst for the oxidation of gaseous sulfur compounds |
| 09/04/1996 | EP0729778A2 Process for desulphurisation of a H2S containing gas |
| 09/04/1996 | EP0729437A1 Metal and fluorine values recovery from mineral ore treatment |
| 09/04/1996 | EP0649337B1 Desulphurisation of waste gases |
| 09/03/1996 | US5552061 Immersion of rotary impeller blades in liquid for circulation |
| 09/03/1996 | CA2170825A1 Catalyst for the oxidation of gaseous sulphur compounds |
| 08/29/1996 | WO1996026465A1 A substantially sulfur-free ammonium thiosulfate powder and process for making the same |
| 08/29/1996 | WO1996026157A1 Method for partially oxidising a gas stream containing hydrogen sulphide |
| 08/29/1996 | WO1996026004A1 Colloidal metal preparation and method for producing it |
| 08/29/1996 | DE19506113A1 Kolloidale Metallzubereitung und Verfahren zu ihrer Herstellung Colloidal metal composition and methods for their preparation |
| 08/29/1996 | CA2213506A1 Method for partially oxidising a gas stream containing hydrogen sulphide |
| 08/28/1996 | EP0728837A1 Amorphous sodium silicate-metal sulfate composite powder |
| 08/28/1996 | EP0728713A2 Process for using waste materials for making cement |
| 08/28/1996 | EP0728698A1 Process for removing SO2 from gases which contain it, with direct production of elemental sulfur |
| 08/27/1996 | US5549833 Heating, contacting with carbonaceous material to reduce and catalytically decompose hydrogen peroxide |
| 08/27/1996 | CA2000879C Method for decolouring sulphuric acid deriving from acid production processes |
| 08/24/1996 | CA2170103A1 Amorphous sodium silicate-metal sulfate composite powder |
| 08/21/1996 | EP0727629A2 Cryogenic rectification system for fluorine compound recovery |
| 08/21/1996 | CN1129193A Process for production of sulfuric acid by using high-concentration sulfur-dioxide gas |
| 08/20/1996 | US5547655 Recovery and regeneration of sulfuric acid |
| 08/20/1996 | US5547648 Removing SOx, NOX and CO from flue gases |
| 08/20/1996 | US5547579 Process and apparatus for purification of contaminated acids |
| 08/20/1996 | US5547495 Flue gas conditioning system |
| 08/20/1996 | US5547475 Mixture with stabilizer |
| 08/14/1996 | CA2169425A1 Method for the utilization of residual materials in the production of cement |
| 08/13/1996 | US5545391 Contacting with reducible 2,3-dialkylnaphthoquinone compound dissolved in nonaqueous solvent system in presence of organic amine catalyst until sulfur precipitates |
| 08/13/1996 | US5545388 Catalytic transfer hydrogention |
| 08/13/1996 | CA2049413C Combustion method for improved endothermic dissociation |
| 08/08/1996 | DE19503227A1 Decontamination unit esp. for gas insulated switchgear or transformer |
| 08/07/1996 | EP0724546A1 Processes for the treatment of acidic liquors and for the production of commercial products thereby |
| 08/07/1996 | CN2232438Y Flue-gas incinerating sulfur preparation acid device |
| 07/31/1996 | EP0724306A1 Process for the hydrometallurgical and electrochemical treatment of the active mass of exhausted lead batteries, to obtain electrolytic lead and elemental sulphur |
| 07/26/1996 | CA2141099A1 Process for the hydrometallurgical and electrochemical treatment of the active mass of exhausted lead batteries, to obtain electrolytic lead and elemental sulphur |
| 07/25/1996 | WO1996022153A1 Process and apparatus for purification of contaminated acids |
| 07/25/1996 | CA2210999A1 Process and apparatus for purification of contaminated acids |