发明名称 |
Method and apparatus for removing sulfur compound in gas containing hydrogen sulfide, mercaptans, carbon dioxide and aromatic hydrocarbon |
摘要 |
A method for removing sulfur compounds including transferring the impurity gas to a concentration process in which the impurity gas is separated into a concentrated gas containing hydrogen sulfide and a residual gas containing carbon dioxide, mercaptans and aromatic hydrocarbons: transferring the concentrated gas to a Claus reaction process in which hydrogen sulfide is recovered as an elementary sulfur, and an off-gas discharged from the Claus reaction process is heated to a temperature between the discharge temperature and 700° C.; introducing the heated off-gas into a mixing unit provided downstream of the heating means to be mixed with the residual gas; transferring a resultant mixed gas to a hydrogenation reaction process in which sulfur compounds are converted into hydrogen sulfide under the presence of a reduction catalyst; and separating the converted hydrogen sulfide and returning the separated hydrogen sulfide to the Claus reaction process.
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申请公布号 |
US6962680(B1) |
申请公布日期 |
2005.11.08 |
申请号 |
US20030399382 |
申请日期 |
2003.04.16 |
申请人 |
JGC CORPORATION |
发明人 |
ISHIGAKI SHINYA;KIDA MITSURU;SASAKI TAKASHI |
分类号 |
C01B17/04;C10L3/10;(IPC1-7):B01J8/00;C01B7/00;C01B17/02 |
主分类号 |
C01B17/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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