Article
Article
Dewaxing of petroleum
Article By:
Perry, Stephen F. Exxon Research, Florham Park, New Jersey.
Last reviewed:January 2020
DOI:https://doi.org/10.1036/1097-8542.189900
The process of separating hydrocarbons which solidify readily (waxes) from petroleum fractions. Removal of wax is usually necessary to produce lubricating oil which will remain fluid down to the lowest temperature of use. It is therefore an important step in the manufacture of lubricating oils. The wax removed may be purified further to produce commercial paraffin or microcrystalline waxes.
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