RU2001107824A - METHOD FOR REMOVING SULFUR FROM A GAS CONTAINING HYDROGEN SULFUR - Google Patents

METHOD FOR REMOVING SULFUR FROM A GAS CONTAINING HYDROGEN SULFUR

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Publication number
RU2001107824A
RU2001107824A RU2001107824/12A RU2001107824A RU2001107824A RU 2001107824 A RU2001107824 A RU 2001107824A RU 2001107824/12 A RU2001107824/12 A RU 2001107824/12A RU 2001107824 A RU2001107824 A RU 2001107824A RU 2001107824 A RU2001107824 A RU 2001107824A
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RU
Russia
Prior art keywords
sulfur
gas
stage
catalytic
oxidation
Prior art date
Application number
RU2001107824/12A
Other languages
Russian (ru)
Other versions
RU2232128C2 (en
Inventor
Йоханнес Борсбом
НИССЕЛРОЭЙ Петрус Франсискус Мария Тересия ВАН
Original Assignee
Гастек Н.В.
Сторк Энджиниерс Энд Контрэкторс Б.В.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Гастек Н.В., Сторк Энджиниерс Энд Контрэкторс Б.В. filed Critical Гастек Н.В.
Publication of RU2001107824A publication Critical patent/RU2001107824A/en
Application granted granted Critical
Publication of RU2232128C2 publication Critical patent/RU2232128C2/en

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Claims (7)

1. Способ извлечения серы из газа, содержащего сероводород, включающий i) окисление части сероводорода в газовом потоке кислородом или кислородсодержащим газом на стадии окисления до диоксида серы, ii) взаимодействие газа, полученного на стадии окисления по меньшей мере в двух каталитических стадиях, в соответствии с реакцией Клауса:
2H2S+SO2-->2Н2О+3/n Sn
с образованием газообразной смеси, содержащей меньше чем 1,2 об. % H2S, iii) каталитическое восстановление SO2 в газе, выходящем из последней из указанных по меньшей мере двух каталитических стадий, причем это каталитическое восстановление протекает в слое катализатора, расположенном после последней каталитической стадии способа Клауса, iv) селективное окисление сероводорода в газе, полученном на стадии iii), до элементарной серы в сухом слое окисления и удаление элементарной серы из газа, полученного на этой стадии.1. A method of extracting sulfur from a gas containing hydrogen sulfide, comprising i) oxidizing part of the hydrogen sulfide in the gas stream with oxygen or an oxygen-containing gas in the oxidation step to sulfur dioxide, ii) reacting the gas obtained in the oxidation step in at least two catalytic stages, in accordance with with Klaus reaction:
2H 2 S + SO 2 -> 2H 2 O + 3 / n S n
with the formation of a gaseous mixture containing less than 1.2 vol. % H 2 S, iii) catalytic reduction of SO 2 in the gas leaving the last of the at least two catalytic stages, this catalytic reduction taking place in the catalyst bed located after the last catalytic stage of the Klaus process, iv) selective oxidation of hydrogen sulfide in the gas obtained in stage iii) to elemental sulfur in a dry oxidation layer and removing elemental sulfur from the gas obtained in this stage. 2. Способ по п. 1, в котором условия процесса на стадиях i) и ii) являются такими, что молярное отношение H2S к SO2 составляет между 10: 1 и 1: 2.2. The method of claim 1, wherein the process conditions in steps i) and ii) are such that the molar ratio of H 2 S to SO 2 is between 10: 1 and 1: 2. 3. Способ по п. 1 или 2, отличающийся тем, что при эффективности окисления до серы, равной 90-96% для катализатора окисления, выбирают концентрацию сероводорода в газе, поступающем на стадию iii) каталитического восстановления, 0,5 - 1,2 об. %. 3. The method according to p. 1 or 2, characterized in that when the efficiency of oxidation to sulfur equal to 90-96% for the oxidation catalyst, choose the concentration of hydrogen sulfide in the gas entering the stage iii) of catalytic reduction, 0.5 to 1.2 about. % 4. Способ по любому из пп. 1-3, в котором катализатор гидрирования помещают в реакторе последней каталитической стадии Клауса. 4. The method according to any one of paragraphs. 1-3, in which the hydrogenation catalyst is placed in the reactor of the last catalytic stage of Klaus. 5. Способ по любому из пп. 1-3, в котором катализатор гидрирования помещают в отдельном реакторе, необязательно после стадии конденсации паров серы. 5. The method according to any one of paragraphs. 1-3, in which the hydrogenation catalyst is placed in a separate reactor, optionally after the stage of condensation of sulfur vapor. 6. Способ по любому из пп. 1-5, в котором катализатор гидрирования выбирают из ряда металлов группы VI и группы VIII Периодической таблицы элементов, предпочтительно, кобальт-молибденовый или никель-молибденовый катализатор. 6. The method according to any one of paragraphs. 1-5, in which the hydrogenation catalyst is selected from a number of metals of group VI and group VIII of the Periodic table of elements, preferably a cobalt-molybdenum or nickel-molybdenum catalyst. 7. Способ по любому из пп. 1-6, в котором гидрирование проводят при температуре, не превышающей 250oС.7. The method according to any one of paragraphs. 1-6, in which the hydrogenation is carried out at a temperature not exceeding 250 o C.
RU2001107824/15A 1998-08-25 1999-08-25 Method of removing sulfur from hydrogen sulfide-containing gas RU2232128C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98202837 1998-08-25
EP98202837.5 1998-08-25

Publications (2)

Publication Number Publication Date
RU2001107824A true RU2001107824A (en) 2003-02-20
RU2232128C2 RU2232128C2 (en) 2004-07-10

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RU2001107824/15A RU2232128C2 (en) 1998-08-25 1999-08-25 Method of removing sulfur from hydrogen sulfide-containing gas

Country Status (15)

Country Link
US (1) US6652827B1 (en)
EP (1) EP1115472B1 (en)
JP (1) JP2002523324A (en)
CN (1) CN1145521C (en)
AT (1) ATE246033T1 (en)
AU (1) AU5534499A (en)
BR (1) BR9913300B1 (en)
CA (1) CA2341479C (en)
DE (1) DE69910049T2 (en)
ES (1) ES2205874T3 (en)
MX (1) MXPA01001863A (en)
NO (1) NO20010883L (en)
PT (1) PT1115472E (en)
RU (1) RU2232128C2 (en)
WO (1) WO2000010693A1 (en)

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EP1720798A2 (en) * 2004-03-03 2006-11-15 Shell Internationale Research Maatschappij B.V. A process for the high recovery efficiency of sulfur from an acid gas stream
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DE102005022164B4 (en) * 2005-05-13 2009-08-06 Lurgi Gmbh Apparatus and method for operating the apparatus for the continuous recovery of sulfur from H2S-containing gas
EP1902769A1 (en) * 2006-09-22 2008-03-26 Jacobs Nederland B.V. Process for the recovery of sulfur from sulfur containing gases
CN101802739A (en) * 2007-06-21 2010-08-11 氟石科技公司 Air demand feedback control systems and methods for sulfur recovery units
EP2288428A2 (en) * 2008-04-21 2011-03-02 Swapsol Corp. Hydrogen sulfide conversion to hydrogen
US7655213B2 (en) * 2008-05-13 2010-02-02 General Electric Company Direct oxidation of sulfur with carbon dioxide recycle
DE102008062387A1 (en) * 2008-12-17 2010-07-01 Uhde Gmbh Process for the purification of industrial gases and production of sour gases
FR2944456B1 (en) * 2009-04-16 2011-05-06 Inst Francais Du Petrole METHOD FOR DESULFURIZING A GASEOUS EFFLUENT HAVING AN ONLINE ANALYSIS AND CONTROL DEVICE
CN101565172B (en) * 2009-06-05 2012-08-29 山东尚舜化工有限公司 Method for recovering sulfur from byproduct of acid gas generated in production of rubber chemicals
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ES2426664B1 (en) * 2012-04-23 2014-11-13 Repsol, S.A. Catalyst for the selective oxidation of sulfur compounds
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