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Recovering engine oil from used motor oil - by distn. under low pressure with passage of an extraction gas with low oxygen@ content
Recovering engine oil from used motor oil - by distn. under low pressure with passage of an extraction gas with low oxygen@ content
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机译:从用过的机油中回收机油-按距离。在低压下通过低氧含量的抽提气体
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摘要
In recovering engine oil or a component of this from used engine oil, the used engine oil is distilled under low pressure whilst feeding through a supercritical extraction gas contg. little or no O2.
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