Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
12/2000
12/06/2000CN1275525A Solvent thermal synthesis method for nanometer sulfide
12/05/2000US6156696 For sulfur removal from fluid catalyst cracking process, cold-side combustion gas sulfur abatement and cleaner coal gasification
12/05/2000US6156288 Process for purifying and concentrating spent sulfuric acids
11/2000
11/30/2000WO2000071232A1 Isolation of sf6 from insulating gases in gas-insulated lines
11/28/2000US6153168 Method of manufacturing sulphuric acid
11/28/2000US6153123 For flat panel display devices such as liquid crystal displays, plasma displays, thick film and thin film electroluminescent displays and field emission displays; narrow particle size distribution, spherical morphology
11/28/2000CA2044067C A catalyst for the oxidation of sulfur dioxide
11/28/2000CA2015987C Solution removal of h2s from gas streams
11/23/2000WO2000069986A1 Method of coating micrometer sized inorganic particles
11/23/2000WO2000069556A1 Improved mixed ionic and electronic conducting ceramic membranes for hydrocarbon processing
11/23/2000WO2000069546A1 Parallel flow catalysts for sulfur dioxide oxidation
11/23/2000DE19923155A1 Process for removing sulfur hexafluoride/nitrogen mixtures from gas-isolated lines comprises contacting the gas mixture with a membrane
11/22/2000CN1273937A Preparing hydrogen and CO
11/22/2000CN1058642C Equipment for treating solid and/or gas material and method for activation of same
11/21/2000US6149887 Stripper including degassing subcompartments separated by partitions through which liquid sulfur being stripped of hydrogen sulfide flows into an outer compartment prior to overflowing into degassed sulfur collection pit
11/21/2000US6149886 Process for the desulphurization of gaseous substrate
11/16/2000WO2000068141A1 Method for concentrating dilute acid
11/16/2000DE19920695A1 Verfahren zur Aufkonzentrierung von Dünnsäure Process for concentrating dilute acid
11/15/2000EP1052219A1 Production of hydrogen and carbon monoxide
11/14/2000US6146612 Method for recovering sulfuric acid from sulfate salts
11/14/2000US6146549 Useful in producing synthesis gas
11/09/2000WO2000066485A1 Bulk synthesis of long nanotubes of transition metal chalcogenides
11/08/2000CN1058247C Method for preparing sulphuric acid by baking sulphur in fluidized-bed furnace
11/07/2000US6143269 Purification of sulfuryl fluoride
11/02/2000EP1047497A1 Catalyst for oxidizing so 2? to so 3? and utilization of the catalyst in a method for producing sulfuric acid
11/01/2000CN1272094A Method for producing polysulfide by electrolytic oxidation
10/2000
10/31/2000US6139807 Apparatus for removing SO2 from flue gases and for producing ammonium sulfate solution
10/25/2000EP1046424A1 Process for sulphurising hydrotreating catalysts
10/25/2000CN1270988A Sulfurizing method for hydrogenation catalyst
10/18/2000CN1057593C Treatment of liquid waste material and furnace
10/17/2000US6132692 Barrier discharge conversion of SO2 and NOx to acids
10/12/2000WO2000059826A1 Treatment of combustible gas streams containing hydrogen sulphide
10/12/2000WO2000059613A1 Catalytic membrane reactor materials for the separation of oxygen from air
10/04/2000EP1040080A1 Method for direct oxidation in sulphur, by catalytic process and in vapour phase, of low content h 2?s in a gas
10/04/2000CN1268484A Improvement of high-concentration sulfur dioxide three-conversion three-absorption acid-making process
10/04/2000CN1268483A Ceramic bar beam for sulfuric acid absorption tower and preparation method
10/03/2000US6126910 Method for removing acid gases from flue gas
10/03/2000US6126740 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films
10/03/2000CA2209331C Method for oxidising h2s to sulphur
10/03/2000CA2086232C Process for preparing sulfur from a fuel off-gas and at least one acid gas containing hydrogen sulfide; thermal reactor
09/2000
09/28/2000WO2000056441A1 System for recovery of sulfur and hydrogen from sour gas
09/28/2000DE10008499A1 Lithium recovery from a slurry of lithium hydroxide and another solid material in an aprotic solvent comprises treatment with hydrogen sulfide to form soluble lithium hydrogen sulfide
09/28/2000CA2367846A1 System for recovery of sulfur and hydrogen from sour gas
09/20/2000CN1056587C Process for recovering sulfur from gas contg. hydrogen sulfide
09/19/2000CA2021527C Catalyst for the selective oxidation of sulphur compounds to elemental sulphur, process for preparing such a catalyst and method for the selective oxidation of sulphur compounds to elemental sulphur
09/19/2000CA2014180C Liquid treatment installation using a gas, and process for the same
09/14/2000WO2000053290A1 Method for desulphurization of gases
09/14/2000DE19910678A1 Verfahren zur Reinigung von SF¶6¶-kontaminierten Gasen A method for purifying contaminated gases SF¶6¶
09/13/2000EP1034571A1 Highly luminescent color-selective materials
09/13/2000CN1266039A Integrated process using in site regenerated sulfuric acid as catalyst
09/12/2000US6117403 Barrier discharge conversion of Hg, SO2 and NOx
09/06/2000EP0912441B1 PROCESS FOR REMOVING NO x? FROM NITROSYLSULPHURIC ACID
09/06/2000EP0797649B1 Method of preparing small particle size phosphors
09/06/2000CN1265604A Method for desulfurizing off-gases
09/05/2000US6113872 Process for removing sulfur compounds out of a gas
08/2000
08/31/2000WO2000050341A1 Method of acid concentration following biological oxidative generation of sulfuric acid from sulfides
08/31/2000WO2000050340A1 Method for producing polysulfide by use of electrolytic oxidation
08/31/2000WO2000050339A1 Method for producing polysulfide by electrolytic oxidation
08/31/2000DE10008161A1 Anhydrous alkali metal sulfide production, useful e.g. in synthesis of poly(arylene sulfide) or pharmaceuticals, by reacting hydroxide with hydrogen sulfide in aprotic solvent
08/30/2000CN2393858Y Aluminum oxide spherical arch for sulfuric acid tower
08/29/2000CA2047759C Process and apparatus for waste gas treatment by multi-stage electron beam irradiation
08/24/2000WO2000048712A1 Process for removing hydrogen sulfide from gases
08/23/2000EP1029028A1 Hydrogen sulfide removal process
08/23/2000CN1264329A Composition comprising metal salt and metal powder therefrom by calcining thereof
08/23/2000CN1264318A Removal of contaminants from gas streams in rayon production
08/22/2000US6106795 Liquid hydrate regeneration of contaminated acids
08/22/2000US6105631 Preparation of homogeneous gas mixtures with SF6
08/17/2000WO2000047518A1 Method for neutralising and/or regenerating acid baths and plant that carries out this method
08/17/2000WO2000015547A9 Metal-carbon composite powders, methods for producing powders and devices fabricated from same
08/17/2000DE19905429A1 Reaktor zur Durchführung einer katalytischen, mit einer Wärmetönung verbundenen Reaktion an Substanzen, die in einer Gasströmung enthalten sind A reactor for carrying out a catalytic, connected to a reaction heat of reaction to substances, which are contained in a gas flow
08/16/2000EP1028088A1 Method for neutralising and/or regenerating acid baths and plant that carries out this method
08/16/2000EP1027922A2 Reactor for catalytic exothermic reactions of substances in a gas flow
08/16/2000EP1027149A1 Catalytic membrane reactor with two component - three dimensional catalysis
08/15/2000US6103393 High purity; controlled crystallinity; small average particle size; narrow particle size distribution; spherical particle morphology; controlled surface chemistry, and surface are; useful in electrocatalyst applications
08/09/2000CN1262220A Process and equipment for preparing sulfur from sulfur foam
08/08/2000US6099819 Mixed metal oxide catalysts containing titanium oxide
08/08/2000CA2031229C Fluoride removal from sulphuric acid
08/08/2000CA2017308C Process of regenerating a high-boiling scrubbing solution which contains co2 and h2s
08/03/2000WO2000044476A1 Method for continuously producing thiosulfate ions
08/02/2000CN1261859A Method and composition for regeneration of an aminal compound
08/02/2000CN1055065C Method for producing crystal anhydrous sodium sulphate from nitrate containing brine
08/01/2000US6096280 Hydrogen sulfide reacts with sulfur dioxide in an aqueous acid medium to yield water and free sulfur which is removed, carbonyl sulfide or carbon disulfide are hydrolyzed to form hydrogen sulfide in presence of quinoline
07/2000
07/26/2000EP1021372A1 High efficiency process for recovering sulfur from h 2?s-bearing gas
07/26/2000EP0885168B1 Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, method for the preparation of such a catalyst, and method for the selective oxidation of sulfur compounds to elemental sulfur
07/26/2000CN1261052A Evaporating process for sodium sulfide (alkali)
07/25/2000US6093664 Adsorbent for metal ions and method of making and using
07/25/2000US6093414 Silver-based antimicrobial compositions
07/25/2000CA2260310A1 Sulfuric acid recovery process and apparatus
07/20/2000DE19902824A1 Mixed catalyst use e.g. in exhaust gas treatment consists of an element or oxide of group IV b, group V band group VII b
07/19/2000EP1019318A1 Method and composition for the regeneration of an aminal compound
07/19/2000CN1260321A Decontamination method for liquid sulphur in acid production with sulphur
07/18/2000US6090364 Process for concentration of sulphuric acid
07/18/2000CA2174674C Process for the regeneration of sodium hydroxide from sodium sulfide
07/13/2000WO2000040776A1 In situ chemical generator and method
07/12/2000EP1018486A1 Method for producing polysulfide by electrolytic oxidation
07/12/2000EP0762930B1 Absorbent and process for removing sulfur oxides from a gaseous mixture
07/12/2000CN1259515A Method for sulfonic acid fluorine
07/04/2000US6083862 Cyclic process for oxidation of calcium sulfide
07/04/2000US6083473 Selective oxidation of sulfur-containing compounds comprising a metal of group viiia which forms an active metal oxide supported on a support comprising a laminar phyllosilicate
07/04/2000US6083472 Method for continuously producing thiosulfate ions
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