发明名称 |
Oil recovery |
摘要 |
A process for upgrading carbonaceous materials having low carbon content comprising preheating the carbonaceous material to a temperature above about 200 DEG C. in the absence of a solvent, extracting the heated carbonaceous material under moderate temperature and pressure conditions, and hydrotreating the extract under supercritical solvent conditions.
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申请公布号 |
US4521293(A) |
申请公布日期 |
1985.06.04 |
申请号 |
US19840618294 |
申请日期 |
1984.06.07 |
申请人 |
SCINTA, JAMES;CLASSEN, THEODORE M. |
发明人 |
SCINTA, JAMES;CLASSEN, THEODORE M. |
分类号 |
C10G1/00;(IPC1-7):C10G1/04 |
主分类号 |
C10G1/00 |
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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