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Catalytic effect of clay rocks as natural catalysts on the combustion of heavy oil

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dc.contributor.author Ariskina K.A.
dc.contributor.author Yuan C.
dc.contributor.author Abaas M.
dc.contributor.author Emelianov D.A.
dc.contributor.author Rodionov N.
dc.contributor.author Varfolomeev M.A.
dc.date.accessioned 2021-02-25T20:34:07Z
dc.date.available 2021-02-25T20:34:07Z
dc.date.issued 2020
dc.identifier.issn 0169-1317
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/161778
dc.description.abstract © 2020 Elsevier B.V. The catalytic effect of clay rocks as matrix for heavy oil combustion in in-situ combustion (ISC) process for enhanced oil recovery was investigated by thermogravimetric analyser coupled with Fourier Transform InfraRed spectroscopy (TG-FTIR) together with kinetic calculation using the Friedman, KAS, and Vyazovkin isoconversional methods. The results reveal that three types of clays show a good catalytic effect verified by a significant reduction in activation energy, mainly manifested as merging fuel deposition (FD) into high-temperature oxidation (HTO) and shifting the temperature peak of the low-temperature oxidation (LTO) and HTO into lower temperature. Mica-type clay shows the best catalytic activity among all the clay rocks. Clinochlore-talc-type clay shows a strong inhibition effect on the isomerization and decomposition reactions (in the later stage of the LTO) as well as the oxidative cracking reactions (in the FD stage), by which a bigger amount of unexpected coke is yielded, which thus significantly reduces combustion efficiency and shifts the HTO into a higher temperature range.
dc.relation.ispartofseries Applied Clay Science
dc.subject Clay rock
dc.subject Combustion
dc.subject Heavy oil
dc.subject In-situ combustion
dc.subject Kinetic
dc.subject TG-FITR
dc.title Catalytic effect of clay rocks as natural catalysts on the combustion of heavy oil
dc.type Article
dc.relation.ispartofseries-volume 193
dc.collection Публикации сотрудников КФУ
dc.source.id SCOPUS01691317-2020-193-SID85084413519


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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