| 发明名称 |
Reclaiming used lubricating oil |
| 摘要 |
A novel process for the purification of used oil comprising removing the ash-forming components, then subjecting the oil to vacuum fractionation. A novel vacuum fractionation column is also disclosed.
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| 申请公布号 |
US4381992(A) |
申请公布日期 |
1983.05.03 |
| 申请号 |
US19810273297 |
申请日期 |
1981.06.15 |
| 申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
WOOD, WILLIAM E.;MACQUEEN, DONALD K. |
| 分类号 |
B01D3/14;C10G7/06;C10G29/06;C10M175/00;(IPC1-7):C10G7/00;C10M11/00;B01D3/10;B01D3/38 |
主分类号 |
B01D3/14 |
| 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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