| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 11/14/2002 | WO2002090253A2 Process for reversible sorption of sulfur trioxide and sorbent therefor |
| 11/14/2002 | US20020168570 Controlling particle size; spraying; batch processing |
| 11/12/2002 | CA2265622C Process and system for removal of hydrogen sulfide from a gas stream |
| 11/07/2002 | WO2002088032A1 Treatment of water |
| 11/06/2002 | CN1377583A Process for producing super fine instant resolving sulfur powder |
| 11/05/2002 | US6477323 System and method for continuously reprocessing waste sulfuric acid liquid, and heater supporting structure for heating a vessel made of glass |
| 11/05/2002 | US6475457 Process for manufacturing potassium nitrate fertilizer and other metal nitrates |
| 10/31/2002 | WO2002057720A3 Method for regulating water concentration in a process stream |
| 10/31/2002 | US20020160685 Glass powders, methods for producing glass powders and devices fabricated from same |
| 10/31/2002 | US20020159939 Gas purification system |
| 10/31/2002 | DE10218815A1 Production of gas containing hydrogen, useful in refinery processes, and removal of hydrogen sulfide involves thermal dissociation of hydrogen sulfide, (partly) with external heat source, and rapid chilling by mixing with fluid |
| 10/30/2002 | CN1377294A Process for the removal of sulphur compounds from gases |
| 10/30/2002 | CN1376635A Process for preparing phosphoric acid from waste sulfuric acid as by-product of titanium oxide powder by wet method |
| 10/30/2002 | CN1376633A Process for concentrating diluted sulfuric acid and removing impurities |
| 10/29/2002 | US6471934 Disproportionation of sulfuryl chloride fluoride |
| 10/29/2002 | US6471921 Mixed ionic and electronic conducting ceramic membranes for hydrocarbon processing |
| 10/24/2002 | WO2002083308A1 Method for preparing high active photocatalyst and method for treating hydrogen sulfide using the high active photocatalyst |
| 10/24/2002 | US20020155057 Method for regulating water concentration in a process stream |
| 10/23/2002 | EP0958251B1 Biological treatment of spent caustics |
| 10/23/2002 | EP0925105B1 Method and apparatus for treating gas by irradiation of electron beam |
| 10/17/2002 | WO2002081370A1 Process for production of ammonium thiosulphate |
| 10/17/2002 | US20020151621 Matrix of meltable minerals and fertilizers |
| 10/15/2002 | US6465739 Ceramic material having a lattice structure; wherein no observable energy interchange occurs between the current carriers and the lattice; flow of current generates no observable voltage gradient |
| 10/15/2002 | US6464955 Contacting oxygen conducting ceramic with a feed gas comprising component selected from steam, carbon dioxide, sulfur oxides, nitrogen oxides and mixtures in adsorption zone; removing oxygen |
| 10/10/2002 | DE10115971A1 Verfahren zur Mikro- und Nano-Strukturierung der Oberflächen von Metalloxiden und Metallchalkogeniden A method for micro- and nano-structuring of the surfaces of metal oxides and metal chalcogenides |
| 10/03/2002 | WO2002076910A2 Method for producing metal oxides and metal chalcogenides comprising a defined microstructure |
| 10/02/2002 | EP0975414B9 Method for regenerating a loaded wash liquid from a gas desulfurization facility |
| 10/02/2002 | CN1091625C Removal of metal compounds from acid solution |
| 09/26/2002 | WO2002074687A1 Method for the regeneration of sulphuric acid from sulphur-containing materials |
| 09/26/2002 | US20020134706 Short contact time catalytic partial oxidation process for recovering sulfur from an H2S containing gas stream |
| 09/25/2002 | EP1243553A1 Method for preparing ultra fine particle of metal chalcogenide |
| 09/25/2002 | EP1242306A1 Method for producing high-purity sulphuric acid |
| 09/24/2002 | US6455464 Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications |
| 09/24/2002 | US6455012 Acid gas burner and reactor apparatus and method |
| 09/24/2002 | US6454837 Separation of gases containing SF6 |
| 09/24/2002 | CA2154598C Removal of water vapour from acidgas streams |
| 09/19/2002 | WO2002072472A1 Purification of sulfuryl fluoride |
| 09/19/2002 | WO2002072243A1 Process for producing ammonium thiosulphate |
| 09/19/2002 | US20020131928 Short contact time catalytic sulfur recovery system for removing H2S from A waste gas stream |
| 09/19/2002 | US20020131927 Process for producing ammonium thiosulfate |
| 09/19/2002 | US20020129930 Reactor device having an enclosure made of refractory material and a containment envelope for bringing about chemical reactions requiring heat exchange |
| 09/18/2002 | EP1240941A2 Copper-aluminum mixed oxide catalyst, its preparation and use thereof |
| 09/18/2002 | EP1240460A1 Partial oxidation of hydrogen sulphide |
| 09/18/2002 | EP1240459A1 Partial oxidation of hydrogen sulphide containing gas |
| 09/18/2002 | CN1091071C Process for preparing insoluble sulphur and productive equipment |
| 09/17/2002 | US6451269 Liquid hydrate regeneration of contaminated acids |
| 09/17/2002 | CA2194902C Integrated process using in situ regenerated sulfuric acid as catalyst |
| 09/17/2002 | CA2094783C Heat exchanger having improved tube layout |
| 09/12/2002 | DE10158657A1 Sulfur dioxide removal, from e.g. power station effluent gas, involves removal of sodium dithionate crystals from cooled mother liquor and water arising from sulfur dioxide effluent |
| 09/12/2002 | DE10111302A1 Reinigung von Sulfurylfluorid Cleaning of sulfuryl fluoride |
| 09/11/2002 | EP0882110B1 Method for fluidizing tars |
| 09/11/2002 | CN1090518C Fluid bed sweetening |
| 09/06/2002 | WO2002047117A3 Preparation of nanocrystallites |
| 09/04/2002 | CN1367523A Semiconductor production system |
| 09/04/2002 | CN1090044C 气体分离 Gas separation |
| 09/04/2002 | CN1090043C Method and apparatus for treating gas by irradiation of electron beam |
| 09/03/2002 | US6444185 Air pollution control; desulfurization |
| 08/29/2002 | WO2002066373A2 Selective oxidation of kraft cooking liquors |
| 08/29/2002 | US20020119091 Oxidation of hydrogen sulfide (H2S) and partial oxidation of a light hydrocarbon to produce elemental sulfur, carbon monoxide and hydrogen, cooling to condense the elemental sulfur and produce a tail gas |
| 08/29/2002 | US20020119086 Process for regenerating a catalytic redox solution, to include measuring the oxygen dissolved in the regeneration effluent and its application to desulfurization |
| 08/29/2002 | CA2433864A1 Selective oxidation of kraft cooking liquors |
| 08/28/2002 | CN2507843Y Secondary sulfuric acid distributor |
| 08/28/2002 | CN1089626C Preparation of homogeneous gas mixture with SF6 |
| 08/22/2002 | US20020114760 Selective oxidation of kraft cooking liquors |
| 08/22/2002 | US20020114759 Process for the production of hydrochloric acid and neutralized sulfates |
| 08/15/2002 | US20020110521 SPOX-enhanced process for production of synthesis gas |
| 08/15/2002 | US20020110512 Process for manufacturing potassium nitrate fertilizer and other metal nitrates |
| 08/15/2002 | US20020108643 Sulfuric acid recycle apparatus |
| 08/14/2002 | EP1230150A1 Method for making sulfur trioxide, sulfuric acid, and oleum from sulfur dioxide |
| 08/14/2002 | EP1230149A2 Process for the production of sulfur |
| 08/13/2002 | US6432375 Removing contaminating hydrogen sulfide from a flowing gas stream of natural gas or a flowing gas stream derived from petroleum or and producing a product stream consisting essentially of the gas stream, elemental sulfur and water |
| 08/13/2002 | US6432276 Forming ethanol, acidification and depolymerization |
| 08/08/2002 | WO2002060838A1 Production of fluorine compounds |
| 08/08/2002 | WO2002040141A3 Sox catalyst |
| 08/08/2002 | US20020107140 Electrocatalyst powders, methods for producing powders and devices fabricated from same |
| 08/08/2002 | DE10104663A1 Herstellung von Fluorverbindungen Preparation of fluorine compounds |
| 08/07/2002 | EP0946272B1 Preparation of homogeneous gas mixtures with sf6 |
| 08/07/2002 | EP0851787B1 Process for selective oxidation |
| 08/07/2002 | CN1088607C Catalyst for recovering elemental sulphur selective oxidation of hydrogen sulfide and its preparing method |
| 08/06/2002 | US6428604 Hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate |
| 08/06/2002 | CA2264261C Method of removing sulfur dioxide from flue gases, especially power plant flue gases and flue gases from garbage incinerator plants |
| 08/01/2002 | WO2002058822A1 Short contact time catalytic sulfur recovery system for removing h2s from a waste gas stream |
| 07/31/2002 | EP1226092A1 Process for removing selenium and mercury from aqueous solutions |
| 07/31/2002 | EP1226091A1 Preparation of sulphides |
| 07/30/2002 | CA2265728C Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed |
| 07/25/2002 | WO2002057720A2 Method for regulating water concentration in a process stream |
| 07/25/2002 | WO2002057002A1 Sulfur recovery process |
| 07/25/2002 | US20020098145 Feeding a hydrogen sulphide containing gas to a bed of a catalyst that promotes the selective oxidation of hydrogen sulfide to elemental sulfur, together with oxygen containing gas in substantially constant amount |
| 07/25/2002 | CA2435326A1 Method for regulating water concentration in a process stream |
| 07/24/2002 | EP1224149A1 Ceramic membranes for catalytic membrane reactors with high ionic conductivities and low expansion properties |
| 07/24/2002 | CN1087965C Method and apparatus for processing gas contg. hydrogen sulfide and sulfur dioxide |
| 07/23/2002 | CA2093390C Treatment of gas streams |
| 07/18/2002 | US20020094308 Treating the gas to convert the hydrogen sulfide (H2S) to elemental sulfur (S), process tail gas from conversion unit via hydrolysis, hydrogenation to convert sulfur dioxide to H2S, and then catalytic redox reaction to S |
| 07/17/2002 | CN1087715C Anaerobic removal of sulphur compounds from waste water |
| 07/17/2002 | CN1087644C Process for dry desulphurisation of combustion gas |
| 07/11/2002 | WO2002053493A1 Method for the concentration of spent acid |
| 07/10/2002 | CN2500005Y High efficiency anti-sticking titanium alloy corona pole line |
| 07/10/2002 | CN1087297C Preparation method of dehydrated polysulfide and application thereof |
| 07/10/2002 | CN1087180C Process for purifying and recovering SO2 from waste gas in coal boiler |
| 07/09/2002 | US6416729 Adding sulfur dioxide to a hydrogen sulfide removal system (comprised of tertiary amine in a solvent such as phenylxylyl ethane) to improve removal; improvement over claus process and sulfur-amine nonaqueous sorbents (sans) process |