发明名称 |
Distillation-induced extraction process |
摘要 |
A process for multi-solvent extraction is provided wherein polarity gradients induced by distillation are utilized for the extraction of petroleum residua and other heavy oils whereby a high quality maltenic fraction and a lower quality asphaltenic fraction are obtained.
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申请公布号 |
US4450067(A) |
申请公布日期 |
1984.05.22 |
申请号 |
US19810259113 |
申请日期 |
1981.04.30 |
申请人 |
MOBIL OIL CORPORATION |
发明人 |
ANGEVINE, PHILIP J.;CARROLL, MICHAEL B.;SHIH, STUART S.;TABAK, SAMUEL A. |
分类号 |
C10G21/02;(IPC1-7):C10G21/02;C10C3/08 |
主分类号 |
C10G21/02 |
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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