English Dictionary

asphaltene

noun

(organic chemistry) Any of the dark organic constituents of crude oils and bitumen that are soluble in aromatic solvents but not in aliphatic ones; they are polycyclic aromatic compounds (composed of fused benzene rings) with aliphatic side chains

The asphaltene content in the crude oil is high.

意味（1）

(organic chemistry) Any of the dark organic constituents of crude oils and bitumen that are soluble in aromatic solvents but not in aliphatic ones; they are polycyclic aromatic compounds (composed of fused benzene rings) with aliphatic side chains

In the deasphalter the more polar asphaltenes form a second liquid phase which effectively agglomerates the solids in the oil feed.