期刊
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
卷 141, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jaap.2019.104630
关键词
Volatilization/decomposition; Coking; Heavy oil; Y-Zeolite
资金
- Qatar National Research Fund (QNRF) from National Priority Research Program [NPRP9-313-2-135]
Coke related catalyst deactivation is still attractive for many researchers as the complexity of carbon precursor. Y-zeolite is one of the most popular catalyst used in petrochemical industry, which is also progressively degrading by coking. In this piece of work, the effects of volatilization/decomposition temperature and sample-to-catalyst ratio on the coke formed from heavy oil volatilization/decomposition in the presence of Y-zeolite catalyst have been investigated. Temperature plays a significant role in determining the nature of the carbon formed, with higher temperatures favouring a higher graphitic-to-amorphous carbon ratio. Higher sample-to-catalyst ratios lead to higher amounts of coke, but does not affect the graphitic-to-amorphous carbon ratio as the same volatilization/decomposition temperature.
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