发明名称 |
Separation of alkenes from alkanes |
摘要 |
An extractive distillation process for separating at least one C4-C10 alkene (monoolefin) from at least one close-boiling alkane (paraffin) employs as solvent a mixture of (a) at least one N-alkyl-2-pyrrolidone, preferably N-methyl-2-pyrrolidone and either (b1) at least one sulfolane compound (preferably cyclotetramethylene sulfone) or (b2) at least one glycol compound (preferably tetraethylene glycol) or both (b1) and (b2).
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申请公布号 |
US5085740(A) |
申请公布日期 |
1992.02.04 |
申请号 |
US19900604720 |
申请日期 |
1990.10.26 |
申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
LEE, FU-MING;BROWN, RONALD E. |
分类号 |
B01D3/40;C07C7/08 |
主分类号 |
B01D3/40 |
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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