Asphaltene pyrolysis pathways and kinetics. Feedstock dependence

Matthew Neurock, Abhash Nigam, Daniel Trauth, Michael T. Klein

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations


Pyrolysis experiments with Off-shore Californian-, Mayan-, Jobo-, Athabascan-, and Hondo- derived asphaltenes were performed to probe the effect of asphaltene origin on reaction kinetics. For each feedstock the kinetically significant pathways were asphaltene reaction to coke, asphaltene to maltene, maltene to gas, and asphaltene to gas. First-order and second-order reaction models thowed similar trends, with the relative error between model and data being lower than 0.25. A model based on 'easy' and 'hard' kinetic lumps improved the model fit to a relative error of less than 0.06. The feedstock dependence of these results is discussed.

Original languageEnglish (US)
Title of host publicationTar Sand and Oil Upgrading Technology
PublisherPubl by AIChE
Number of pages8
ISBN (Print)0816905479
StatePublished - Jan 1 1991


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