发明名称 |
Processes for the isomerization of paraffins of 5 and 6 carbon atoms with methylcyclopentane recovery |
摘要 |
In an isomerization process where the isomerization effluent (108) is fractionated in a deisohexanizer (116) to provide an overhead (118) containing dimethylbutanes and a higher boiling fraction (122) containing normal hexane, the higher boiling is contacted with a selectively permeable membrane (124) to provide a retentate containing methylcyclopentane (128). If desired, the normal hexane-containing permeate can be recycled for isomerization. The preferred membranes are sieving membranes having a C6 Permeate Flow Index of at least 0.01 and a C6 Permeate Flow Ratio of at least 1.25:1. |
申请公布号 |
US8071044(B2) |
申请公布日期 |
2011.12.06 |
申请号 |
US20090630311 |
申请日期 |
2009.12.03 |
申请人 |
RICE LYNN H.;SHECTERLE DAVID J.;UOP LLC |
发明人 |
RICE LYNN H.;SHECTERLE DAVID J. |
分类号 |
B01J8/00;B01J8/02;B01J10/00;B01J19/00;B01J35/02;C07C5/13;C07C7/144 |
主分类号 |
B01J8/00 |
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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