| 发明名称 |
Extracting aromatic hydrocarbons from mixtures containing same |
| 摘要 |
A method for the removal of aromatic hydrocarbon from mixtures containing non-aromatic hydrocarbon by liquid-liquid extraction and extractive distillation is described. Isoenthalpic expansion of the rectification column bottom solvent stream and addition of water to the selective solvent can be used to reduce heat consumption.
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| 申请公布号 |
US4306945(A) |
申请公布日期 |
1981.12.22 |
| 申请号 |
US19780923252 |
申请日期 |
1978.07.10 |
| 申请人 |
SNAMPROGETTI, S.P.A. |
发明人 |
MONTANARI, ROMOLO;ANTONELLI, SERGIO |
| 分类号 |
C07C7/08;C07C1/00;C07C7/00;C07C7/10;C07C15/02;C07C67/00;C10G21/00;C10G21/28;(IPC1-7):B01D3/06;B01D3/40 |
主分类号 |
C07C7/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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