Influence of temperature and steam on the products from the flash pyrolysis of Jordan oil shale | Zendy

Nazzal Jamal M. | Zendy; Williams Paul T. | Zendy

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Influence of temperature and steam on the products from the flash pyrolysis of Jordan oil shale

Author(s) -

Nazzal Jamal M.,

Williams Paul T.

Publication year - 2002

Publication title -

international journal of energy research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.808

H-Index - 95

eISSN - 1099-114X

pISSN - 0363-907X

DOI - 10.1002/er.845

Subject(s) - pyrolysis , oil shale , cracking , yield (engineering) , nitrogen , thermal decomposition , chemistry , hydrocarbon , oil shale gas , chemical engineering , fluidized bed , shale oil , decomposition , shale oil extraction , fossil fuel , waste management , pulp and paper industry , organic chemistry , materials science , metallurgy , engineering

Oil shale samples from the Sultani deposit in the south of Jordan, were pyrolysed in a semi‐continuous fluidized bed reactor under nitrogen and nitrogen/steam atmosphere. The pyrolysis temperature between 400 and 650°C were investigated. Increasing the pyrolysis temperature from 400 to 520°C caused a large increase in the oil yield. Further increase of the pyrolysis temperature resulted in a decrease in oil yield and a large increase in the evolved gases. This increase in the hydrocarbon gas yield was attributed to oil thermal cracking reactions. The evolved gases were composed of H 2 , CO, CO 2 , and hydrocarbons from C 1 to C 4 . The presence of steam improved the oil yield which may be a result of reducing the degree of decomposition. The derived oils were fractionated into chemical classes using mini‐column liquid chromatography. Copyright © 2002 John Wiley & Sons, Ltd.

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