Asphaltene and resid pyrolysis: Effect of reaction environment

Daniel M. Trauth, Muzaffer Yasar, Matthew Neurock, Abhash Nigam, Michael T. Klein

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Hondo and Maya vacuum resids and their isolated asphaltenes were pyrolyzed at 400, 425, and 450°C (752, 797, 842°F) for batch holding times ranging from 20 to 180 minutes. Maltene, asphaltene, and coke product fractions were isolated by a solvent extraction sequence; gas yield was determined gravimetrically. Results were summarized in terms of a lumped reaction network. The variation of product yields, kinetics, and apparent activation energies with feedstock and asphaltene environment provided insight into asphaltene structure and thermal reaction pathways.

Original languageEnglish (US)
Pages (from-to)1161-1179
Number of pages19
JournalFuel Science and Technology International
Volume10
Issue number7
DOIs
StatePublished - Jan 1 1992

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