deasphalter bottoms

名词 n.

英文释义

名词 n.
  1. A mixture of tar and asphalt that is produced as a byproduct of the deasphalting process. plural,plural-only
    — The deasphalter unit is usually placed after the vacuum distillation tower, where, by the use of a low-boiling liquid hydrocarbon solvent, such as propane or butane under pressure, the insoluble asphalt-like product (deasphalter bottoms) is .separated from the feedstock.
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