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Properties of the FCC Catalyst Additive Prepared from Guizhou Kaoline

Zheng Shu-Qin
Ding Wei
Zhang Yu-Li
Tan Zheng-Guo
Xu Xianlun

Sažetak

The properties of a FCC catalyst additive prepared from Guizhou kaoline were extensively investigated. The samples were characterized by N₂ adsorption, X-ray diffraction, IR spectrometry, and scanning electron microscope (SEM). The results showed that the crystallinity of NaY zeolite synthesized from this kaoline was 25% and the silica alumina ratio was r_{k/s ˇ m} = 5.05. The catalyst additive prepared from above crystallization product exhibited excellent performance of nickel and vanadium passivation, offered 21% lower coke versus base catalyst, while maintaining high bottoms upgrading selectivity.

Ključne riječi

kaoline; in situ crystalliazation technique; catalytic cracking; FCC additive; heavy metal; zeolite

Hrčak ID:

6700

URI

https://hrcak.srce.hr/6700

Datum izdavanja:

11.9.2006.

Podaci na drugim jezicima: hrvatski

Posjeta: 1.760 *