Citation: LI Li-ping, GU Ling, JIN Chun, FEI Peng. Synthesis of SiGeAl-ITQ-13 and SiAl(B)-ITQ-13 and their catalytic performance in the conversion of methanol to hydrocarbons[J]. Journal of Fuel Chemistry and Technology, ;2017, 45(10): 1244-1250. shu

Synthesis of SiGeAl-ITQ-13 and SiAl(B)-ITQ-13 and their catalytic performance in the conversion of methanol to hydrocarbons

College of Chemistry and Environmental Engineering, Shanxi Datong University, Datong 037009, China

Corresponding author: LI Li-ping, liliping2004a@163.com
Received Date: 20 April 2017
Revised Date: 3 September 2017

Figures(6)

Al-ITQ-13 molecular sieves, viz., SiGeAl-ITQ-13 and SiAl(B)-ITQ-13, were prepared by the direct hydrothermal synthesis and post-synthesis methods and characterized by XRD, ²⁷Al MAS NMR, NH₃-TPD, Py-FTIR and SEM; their catalytic performance in the conversion of methanol to hydrocarbons (MTH) was investigated. The results indicated that two Al-ITQ-13 samples have high crystallinity with a slice-like morphology. In comparison with ZSM-5, Al-ITQ-13 as a catalyst in MTH exhibits higher selectivity to propene, higher propene/ethene (P/E) ratio and longer catalytic lifetime. Moreover, as the amount of strong acid sites on SiAl(B)-ITQ-13 is decreased by post-synthesis, SiAl(B)-ITQ-13 exhibits better catalytic performance in MTH, in comparison with SiGeAl-ITQ-13 obtained by direct hydrothermal synthesis.
- Al-ITQ-13,
- methanol to hydrocarbons,
- direct hydrothermal synthesis,
- post-synthesis
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