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solvent refining
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nature : secondary refining industry refers to the solvent oil refining process. The use of certain solvents selective removal of soluble lubricant capacity of multi-ring light-fang, heterocyclic compounds, naphthenic acid category, glial and some sulfur, nitrogen, oxygen non-hydrocarbon compounds to improve the lubricant viscosity index and antioxidant stability. Lubricating Oil Refining is a common solvent for furfural, phenols, chlorinated paraffins, liquid sulfur dioxide, such as nitrobenzene. In recent years the development of the N-methyl-pyrrolidone as solvent.


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More Detailed Data:
1) solvent
2) refining
3) true solvent
4) Solvents
Notice Some description was translated by software and the data is only as a reference.
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