RU2011153109A - METHOD FOR INCREASING THE QUALITY OF NATURAL GAS WITH HIGH CONTENT OF HYDROGEN SULFUR - Google Patents

METHOD FOR INCREASING THE QUALITY OF NATURAL GAS WITH HIGH CONTENT OF HYDROGEN SULFUR Download PDF

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RU2011153109A
RU2011153109A RU2011153109/04A RU2011153109A RU2011153109A RU 2011153109 A RU2011153109 A RU 2011153109A RU 2011153109/04 A RU2011153109/04 A RU 2011153109/04A RU 2011153109 A RU2011153109 A RU 2011153109A RU 2011153109 A RU2011153109 A RU 2011153109A
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carbon disulfide
hydrogen
reaction
gas
superacid
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RU2522443C2 (en
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Анджелис Альберто Де
Паоло Поллесель
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Эни С.П.А.
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    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
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    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/48—Sulfur dioxide; Sulfurous acid
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    • C01B17/508—Preparation of sulfur dioxide by oxidation of sulfur compounds
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    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
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    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
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    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
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    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
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    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C01B2203/042—Purification by adsorption on solids
    • C01B2203/043—Regenerative adsorption process in two or more beds, one for adsorption, the other for regeneration
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    • C01B2203/0455—Purification by non-catalytic desulfurisation
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    • C01B2203/0465—Composition of the impurity
    • C01B2203/0485—Composition of the impurity the impurity being a sulfur compound
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    • C01B2203/061—Methanol production
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    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0838—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel
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    • C01B2203/1047—Group VIII metal catalysts
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    • C01B2203/10—Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041—Composition of the catalyst
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    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235—Hydrocarbons
    • C01B2203/1241—Natural gas or methane
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    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/14—Details of the flowsheet
    • C01B2203/146—At least two purification steps in series

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
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  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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  • Hydrogen, Water And Hydrids (AREA)

Abstract

1. Способ повышения качества сверхкислого природного газа с содержанием сероводорода выше или равным 60 об.% с получением водорода, который включает:а) подачу сверхкислого природного газа в реактор реформинга, функционирующий при температуре от 900 до 1500°С и атмосферном давлении, или давлении немного ниже атмосферного, для получения смеси, по существу, состоящей из дисульфида углерода (CS) и водорода (Н),б) охлаждение продуктов реакции, отделение дисульфида углерода от остающейся реакционной смеси, содержащей водород, и извлечение водорода,в) сжигание при высокой температуре дисульфида углерода с кислородсодержащим газом для получения газовой смеси, по существу, состоящей из СОи SO,г) подачу по меньшей мере части горячих газов от сжигания дисульфида углерода на стадию реформинга в качестве источника тепла для поддержания эндотермической реакции стадии (а), ид) предоставление газообразных продуктов сгорания дисульфида углерода, также поступающих со стадии (г), в качестве промежуточных продуктов для химических синтезов ниже по потоку или для их удаления путем закачивания в конкретные геологические структуры.2. Способ по п.1, в котором реакцию реформинга выполняют в присутствии катализатора, выбранного из сульфидов металлов групп VIB, VIIB и VIIIB Периодической системы3. Способ по п.1, в котором продукты реакции реформинга охлаждают до температуры ниже 50°С.4. Способ по п.1, в котором сжигаемый дисульфид углерода составляет по меньшей мере 55 мас.% от всего полученного CS.5. Способ по любому из предыдущих пунктов, в котором сверхкислый газ, помимо HS, содержание которого составляет по меньшей мере 60%, также содержит COв количестве, р�1. A method of improving the quality of superacid natural gas with a hydrogen sulfide content of greater than or equal to 60 vol.% To produce hydrogen, which includes: a) supplying superacid natural gas to the reforming reactor, operating at a temperature of from 900 to 1500 ° C and atmospheric pressure or pressure slightly below atmospheric, to obtain a mixture essentially consisting of carbon disulfide (CS) and hydrogen (H), b) cooling the reaction products, separating carbon disulfide from the remaining reaction mixture containing hydrogen, and extracting hydrogen, c) c burning at high temperature carbon disulfide with an oxygen-containing gas to obtain a gas mixture essentially consisting of CO and SO, d) supplying at least a portion of the hot gases from the combustion of carbon disulfide to the reforming stage as a heat source to maintain the endothermic reaction of stage (a) , id) the provision of gaseous products of the combustion of carbon disulfide, also coming from stage (g), as intermediate products for chemical synthesis downstream or for their removal by pumping in concret significant geological structures. 2. The method according to claim 1, in which the reforming reaction is performed in the presence of a catalyst selected from metal sulfides of groups VIB, VIIB and VIIIB of the Periodic system 3. The method according to claim 1, wherein the reforming reaction products are cooled to a temperature below 50 ° C. The method according to claim 1, wherein the carbon disulfide burned comprises at least 55% by weight of the total CS received. The method according to any one of the preceding paragraphs, in which the superacid gas, in addition to HS, the content of which is at least 60%, also contains CO in an amount p

Claims (7)

1. Способ повышения качества сверхкислого природного газа с содержанием сероводорода выше или равным 60 об.% с получением водорода, который включает:1. A method of improving the quality of superacid natural gas with a hydrogen sulfide content of greater than or equal to 60 vol.% To produce hydrogen, which includes: а) подачу сверхкислого природного газа в реактор реформинга, функционирующий при температуре от 900 до 1500°С и атмосферном давлении, или давлении немного ниже атмосферного, для получения смеси, по существу, состоящей из дисульфида углерода (CS2) и водорода (Н2),a) the supply of superacid natural gas to the reforming reactor, operating at a temperature of from 900 to 1500 ° C and atmospheric pressure, or a pressure slightly lower than atmospheric, to obtain a mixture essentially consisting of carbon disulfide (CS 2 ) and hydrogen (H 2 ) , б) охлаждение продуктов реакции, отделение дисульфида углерода от остающейся реакционной смеси, содержащей водород, и извлечение водорода,b) cooling the reaction products, separating carbon disulfide from the remaining reaction mixture containing hydrogen, and extracting hydrogen, в) сжигание при высокой температуре дисульфида углерода с кислородсодержащим газом для получения газовой смеси, по существу, состоящей из СО2 и SO2,C) burning at high temperature carbon disulfide with an oxygen-containing gas to obtain a gas mixture essentially consisting of CO 2 and SO 2 , г) подачу по меньшей мере части горячих газов от сжигания дисульфида углерода на стадию реформинга в качестве источника тепла для поддержания эндотермической реакции стадии (а), иd) supplying at least a portion of the hot gases from the combustion of carbon disulfide to the reforming step as a heat source to maintain the endothermic reaction of step (a), and д) предоставление газообразных продуктов сгорания дисульфида углерода, также поступающих со стадии (г), в качестве промежуточных продуктов для химических синтезов ниже по потоку или для их удаления путем закачивания в конкретные геологические структуры.d) the provision of gaseous products of the combustion of carbon disulfide, also coming from stage (g), as intermediate products for chemical synthesis downstream or for their removal by pumping into specific geological structures. 2. Способ по п.1, в котором реакцию реформинга выполняют в присутствии катализатора, выбранного из сульфидов металлов групп VIB, VIIB и VIIIB Периодической системы2. The method according to claim 1, in which the reforming reaction is performed in the presence of a catalyst selected from metal sulfides of groups VIB, VIIB and VIIIB of the Periodic system 3. Способ по п.1, в котором продукты реакции реформинга охлаждают до температуры ниже 50°С.3. The method according to claim 1, in which the products of the reforming reaction are cooled to a temperature below 50 ° C. 4. Способ по п.1, в котором сжигаемый дисульфид углерода составляет по меньшей мере 55 мас.% от всего полученного CS2.4. The method according to claim 1, in which the burned carbon disulfide is at least 55 wt.% Of all obtained CS 2 . 5. Способ по любому из предыдущих пунктов, в котором сверхкислый газ, помимо H2S, содержание которого составляет по меньшей мере 60%, также содержит CO2 в количестве, равном или ниже 10%.5. The method according to any of the preceding paragraphs, in which the superacid gas, in addition to H 2 S, the content of which is at least 60%, also contains CO 2 in an amount equal to or lower than 10%. 6. Способ по п.5, в котором CO2 преобразуют при условиях реакции в присутствии избытка Н2 в моноксид углерода.6. The method according to claim 5, in which CO 2 is converted under the reaction conditions in the presence of an excess of H 2 into carbon monoxide. 7. Применение смеси, состоящей из СО и N2, образованной по п.6, для синтеза метанола. 7. The use of a mixture consisting of CO and N 2 formed according to claim 6, for the synthesis of methanol.
RU2011153109/04A 2009-06-24 2010-06-02 Method for quality improvement of natural gas with high content of hydrogen sulphide RU2522443C2 (en)

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ITMI2009A001115 2009-06-24
ITMI2009A001115A IT1394568B1 (en) 2009-06-24 2009-06-24 PROCEDURE FOR THE ENHANCEMENT OF NATURAL GAS WITH HIGH CONTENT OF HYDROGEN SULPHORATE
PCT/IB2010/001344 WO2010150063A1 (en) 2009-06-24 2010-06-02 Process for upgrading natural gas with a high hydrogen sulfide content

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CN109721028B (en) * 2017-10-27 2020-09-11 中国石油化工股份有限公司 Method for preparing hydrogen by reforming methane and hydrogen sulfide
WO2022023365A1 (en) * 2020-07-28 2022-02-03 Totalenergies Se Process to conduct an endothermic thio-reforming reaction of hydrocarbons in an installation comprising electrified fluidized bed reactor

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GB293172A (en) * 1927-05-26 1928-07-05 Ig Farbenindustrie Ag Improvements in the manufacture and production of carbon disulphide
US2788262A (en) * 1953-05-01 1957-04-09 Pan American Petroleum Corp Process for preparation of carbon disulfide
GB1126465A (en) * 1964-09-14 1968-09-05 Ivor Gray Nixon Manufacture of hydrogen and carbon disulphide
US3388971A (en) * 1965-06-07 1968-06-18 Seymour C. Schuman Production of hydrogen
US4695443A (en) * 1985-02-14 1987-09-22 Stauffer Chemical Company Autothermal process for the production of carbon disulfide and hydrogen sulfide
RU2216506C1 (en) * 2002-02-26 2003-11-20 Институт катализа им. Г.К.Борескова СО РАН Method for preparing hydrogen and elemental sulfur from hydrogen sulfide
DE102004013283A1 (en) * 2004-03-18 2005-10-13 Guennadi, Berner Combined production of carbon disulfide and sulfuric acid from sulfur, without use of natural gas fuel, by using heat from oxidation of sulfur to drive the endothermic carbon disulfide production reaction
CN101166889B (en) * 2005-04-21 2012-11-28 国际壳牌研究有限公司 Systems and methods for producing oil and/or gas
WO2010102653A1 (en) * 2009-03-13 2010-09-16 Eni S.P.A. Process for the abatement of hydrogen sulphide from compositions containing it with simultaneous production of hydrogen

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