1) Petroleum production
Found on
https://www.crosswordclues.com/clue/asphaltene
Asphaltenes are molecular substances that are found in crude oil, along with resins, aromatic hydrocarbons, and saturates (i.e. saturated hydrocarbons such as alkanes). The word `asphaltene` was coined by Boussingault in 1837 when he noticed that the distillation residue of some bitumens had asphalt-like properties. Asphaltenes in the form of as.....
Found on
http://en.wikipedia.org/wiki/Asphaltene
A high molecular weight hydrocarbon fraction precipitated from asphalt by a designated paraffinic naphtha solvent at a specified temperature and solvent-asphalt ratio.
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http://www.rbroof.com/glossary-of-terms
any of the constituents of a bitumen, as asphalt, that are insoluble in pentane, hexane, or naphthalene. Cf. petrolene.
Found on
https://www.infoplease.com/dictionary/asphaltene
No exact match found.
