| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 06/06/2001 | CN1066634C Method and apparatus for absorbing hydrogen sulphide |
| 06/05/2001 | US6241871 Gas phase oxidation of hydrogen sulfide using electrolysis cell having anode chamber separated from cathode chamber by solid proton conducting membrane, characterized in that both chambers are maintained at elevated temperature and pressure |
| 06/05/2001 | CA2232629C Process for the high pressure degassing of hydrogen sulfide from liquid sulfur |
| 06/05/2001 | CA2153747C Catalysts for the treatment of gas containing sulphur compounds; use of said catalysts and process for treating a gas containing sulphur compounds |
| 06/05/2001 | CA2081767C Formulations for iron oxides dissolution |
| 05/30/2001 | EP1103521A1 Process for the preparation of water free, high-purity sodium sulfide |
| 05/30/2001 | EP0963341B1 Method and catalyst for direct sulphur oxidation of h2s contained in a gas |
| 05/30/2001 | CN1296931A Spherical arch shaped Al2O3 material for sulfuric acid tower and its preparing process |
| 05/29/2001 | US6238642 From sulfur dioxide and elemental fluorine in the presence of an alkali fluoride and hydrogen fluoride. the preferred alkali fluoride is potassium fluoride. |
| 05/29/2001 | US6238639 Process for removing NOx from nitrosylsulphuric acid |
| 05/25/2001 | WO2001036324A1 Method for making sulfur trioxide, sulfuric acid, and oleum from sulfur dioxide |
| 05/25/2001 | CA2387988A1 Method for making sulfur trioxide, sulfuric acid, and oleum from sulfur dioxide |
| 05/23/2001 | EP1066418A4 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films |
| 05/23/2001 | DE19951909A1 Verfahren zur Verbrennung von Sauerwasserstrippergas Process for the combustion of sour water stripper gas |
| 05/23/2001 | CN1295972A Production method for flak sodium hydrosulfide |
| 05/23/2001 | CN1295971A Novel process for producing sodium hydrosulfide by utilizing by-products in production of barium salt |
| 05/22/2001 | US6235259 In low concentration directly to sulphur, regenerated by flushing with a non-oxidizing gas, active phase of the catalyst which contains one or more oxysulfides of transition metals, silicon carbide support |
| 05/16/2001 | EP1098844A1 Process for the concentration of dilute sulphuric acid solutions |
| 05/10/2001 | WO2001017931A3 Regeneration of onium fluoride-hf adducts |
| 05/10/2001 | US20010000889 Processes for electrically activated transformation of chemical and material compositions |
| 05/08/2001 | US6228270 Process for reducing selenium and mercury from aqueous solutions |
| 05/08/2001 | CA2209332C Method for removing virtually all the sulphur compounds h2s, so2, cos and/or cs2 from sulphur plant waste gases, and recovering such compounds as sulphur |
| 05/03/2001 | WO2001030693A1 Preparation of sulphides |
| 05/03/2001 | WO2001030692A2 Process for the production of sulfur |
| 05/03/2001 | WO2001030691A1 Method for incinerating sour water stripper gas |
| 04/26/2001 | WO1998023363A8 Preparation of homogeneous gas mixtures with sf¿6? |
| 04/26/2001 | US20010000475 Sulfide catalysts for reducing SO2 to elemental sulfur |
| 04/25/2001 | CN1292766A Waste acid recovery |
| 04/17/2001 | US6217766 Related to the genus desulfotomaculum, capable of reducing sulfite and/or sulfate to sulfide, which tolerates sulfide concentrations of up to 2.5 grams/liter |
| 04/12/2001 | WO2001025146A2 Method of preparing anhydrous alkali metal sulfides |
| 04/11/2001 | EP1090675A1 Process for the removal of sulphur compounds from gases |
| 04/11/2001 | EP1089939A1 Method of processing sulfur-containing materials derived from flue gas desulfurization or other sources |
| 04/11/2001 | EP1060000A4 Process for treating hydrogen sulfide lean streams with partial combustion of feed stream |
| 04/11/2001 | CN1290651A Method for preparing sulfur with recovered smelting smoke SO2 |
| 04/10/2001 | US6214757 Oxidation with oxygen gas, oxidation-reduction zones separated by membranes, heating and treating with oxygen |
| 04/10/2001 | US6214311 Sulfur recovery from a claus tail gas containing sulfur dioxide (so2), hydrogen sulfide (h2s), water and hydrogen and/or carbon monoxide using a so2 reduction catalyst comprising mixed oxide including iron, cobalt and/or nickel |
| 04/10/2001 | US6214195 Using catalyst; exposure to electromagnetic waves |
| 04/05/2001 | WO2001023075A1 Process for the removal of sulphur compounds from gases |
| 04/04/2001 | CN1064026C Process for purifying sulphide-containing waste water |
| 04/04/2001 | CN1064023C Method for producing hydrogen sulfide |
| 04/03/2001 | US6210604 For x-ray image intensifiers |
| 04/03/2001 | US6210454 Apparatus for treating a gas containing hydrogen sulphide and sulphur dioxide |
| 03/28/2001 | EP1086043A1 Waste acid recovery |
| 03/28/2001 | EP0927142B1 Method for eliminating h 2?s, so 2?, cos and/or cs 2? sulphur compounds, contained in a sulphur factory waste gas with recuperation of said compounds in the form of sulphur |
| 03/27/2001 | US6207127 Catalyst and method for the selective oxidation of sulfur compounds to elemental sulfur |
| 03/21/2001 | CN1287968A Method for preparing sulfuric acid by incineration of refined benzene regeneration acid |
| 03/20/2001 | US6203769 Treating copper or lead fluoborate sludges with hydrogen sulfide; precipitating copper sulfide or lead sulfide; separation; sulfation; purification, leaching |
| 03/15/2001 | WO2001017931A2 Regeneration of onium fluoride-hf adducts |
| 03/15/2001 | WO2001017898A1 Suspension system using fumed silica |
| 03/14/2001 | CN2423270Y Built-in type converter |
| 03/14/2001 | CN1063156C Tech. for directly producing high concentration chlorosulfonic acid by utilizing low density hydrogen chloride |
| 03/08/2001 | DE19956365A1 Regenerierung von Oniumfluorid-HF-Addukten Regenerating onium fluoride-HF adducts |
| 03/07/2001 | CN1286667A Method for direct oridation in sulphur, by catalytic process and in vapour phase of low content H2S in gas |
| 03/07/2001 | CN1062832C Method for selective oxidation of sulfur compounds to elemental sulfur |
| 03/06/2001 | US6197837 Method for fluidizing tars |
| 03/06/2001 | US6197218 Phosphor spherical particles of yttrium-gadolinium borate, zinc silicate, barium magnesium aluminate and barium aluminate in a liquid vehicle to be applied to a substrate; flat panel displays, e.g. plasma type; fluorescent lighting elements |
| 03/01/2001 | WO2001014054A1 Silicon-containing titanium dioxyde, method for preparing the same and catalytic compositions thereof |
| 02/28/2001 | EP1078881A1 Storage and safe delivery of hazardous speciality gases by acid/base reactions with ionic polymers |
| 02/28/2001 | EP1077897A1 Catalyst and process for oxidation of sulphur dioxide |
| 02/27/2001 | US6193908 Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same |
| 02/21/2001 | EP0946408B1 Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed |
| 02/21/2001 | EP0934230B1 Process for preparing sulphuric acid from gasses containing so 3? and gaseous nitrosylsulphuric acid |
| 02/20/2001 | US6190636 Reacting alkali-metal sulfate with alkaline earth metal chloride; treating alkaline earth metal sulfate with ammonia/carbon dioxide or ammonium carbonate and ammonium bicarbonate to form alkaline earth metal carbonate |
| 02/20/2001 | US6190621 Sulfide-ion producing grid intersecting to define honeycomb; sulfur separation; alternating sulfur bearing and discharge manifolds |
| 02/20/2001 | CA2220634C Direct oxidation method for converting sulphur compounds into sulphur with a copper catalyst |
| 02/20/2001 | CA2069267C Process for the separation of sulphur oxides from offgases |
| 02/15/2001 | WO2001010776A1 Reductive combustion of ammonium salts of sulfuric acid |
| 02/15/2001 | WO2001010775A1 Ceramic membranes for catalytic membrane reactors with high ionic conductivities and low expansion properties |
| 02/14/2001 | CN1061944C Method of smelting sulphur by blocking fined sulphur ore powder and flume sand containing sulphur |
| 02/08/2001 | WO2001009034A1 Recovery of sulfur from h2s and concurrent production of h2 using short contact time cpox |
| 02/08/2001 | WO2001009032A1 Process for producing syngas in a short contact time reactor using catalytic partial oxidation of hydrogen sulfide |
| 02/08/2001 | CA2380117A1 Process for producing syngas in a short contact time reactor using catalytic partial oxidation of hydrogen sulfide |
| 02/07/2001 | EP1074057A1 Electrochemical oxidation of hydrogen sulfide |
| 02/01/2001 | WO2001007361A1 Nanoparticulate sulfur, the production and the use thereof |
| 01/30/2001 | US6180080 Reducing ph of solution to within a range of about 1 to 3 by adding an acid, then adding a peroxygen compound to solution at a temperature of 20 to 110 degrees c while maintaining said ph and converting thiosulfate to sulfur |
| 01/30/2001 | US6180078 Method for thermally regenerating spent acid |
| 01/30/2001 | US6180029 Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same |
| 01/30/2001 | US6179968 Method and apparatus for treating gas by irradiation of electron beam |
| 01/25/2001 | DE19934167A1 Nanoparticles of sulfur obtained by freeze-drying aqueous sulfur dispersions, useful as an agricultural acaricide or fungicide, and in lubricants, cosmetics and pharmaceutical compositions |
| 01/17/2001 | CN1280521A Catalytic membrane reactor with two component three dimensional catalysis |
| 01/16/2001 | US6174510 Multi-pass cocurrent flow sulfuric acid tower process |
| 01/10/2001 | EP1066418A1 Solution synthesis of mixed-metal chalcogenide nanoparticles and spray deposition of precursor films |
| 01/09/2001 | CA2035062C Process for converting carbon disulfide to hydrogen sulfide in hydrogen sulfide/carbon disulfide mixtures |
| 01/03/2001 | EP1064079A1 Process for the reduction of so 2? from wet lime/limestone tailgas in power plant desulfurization processes |
| 01/02/2001 | US6168731 Strontium gallium sulfide |
| 01/02/2001 | CA2154515C Catalytic converter |
| 12/27/2000 | EP1062036A1 Sulfide catalysts for reducing so 2? to elemental sulfur |
| 12/27/2000 | EP1062025A1 IMPROVED PROCESS FOR TREATING H 2?S-LEAN STREAMS WITH RECYCLE OF SOx FROM BURNER |
| 12/26/2000 | US6165436 High-pressure sulfur recovery process |
| 12/26/2000 | US6165431 Methods for separating oxygen from oxygen-containing gases |
| 12/26/2000 | US6165247 Methods for producing platinum powders |
| 12/26/2000 | CA2218131C Temperature moderation of an oxygen enriched claus sulphur plant using an ejector |
| 12/21/2000 | WO2000076917A1 Process for removing selenium and mercury from aqueous solutions |
| 12/20/2000 | EP1060492A1 Apparatus and procedure for elimination of water, air and other gases from the mixture of sulfurhexafluoride (sf6) with gas |
| 12/20/2000 | EP1060000A1 Process for treating hydrogen sulfide lean streams with partial combustion of feed stream |
| 12/13/2000 | CN1276339A Method for obtaining recoverable sulphocompounds from waste acid liquid stream |
| 12/13/2000 | CN1059472C Method and apparatus for suspension smelting |
| 12/12/2000 | US6159440 Process for production of ammonium thiosulphate |
| 12/12/2000 | US6159382 Freeze concentration purification of an aqueous sulfuric acid solution by cooling the aqueous sulfuric acid solution to a temperatue near its freezing point, separating resulting acid rich region from acid-poor region on the basis of density |
| 12/06/2000 | EP1057781A2 Process for generating recoverable sulfur containing compounds from a spent acid stream |