Citation: XIANG Jiang-nan, LIU Wei, LIU Cheng-lian, WANG Yan, CHEN Shu-wei, BI Shi-nan, FAN Bin-bin, LI Rui-feng. Synthesis and hydroisomerization performance of n-C₁₂ over ZSM-48 molecular sieve with low silicon-aluminum ratio[J]. Journal of Fuel Chemistry and Technology, ;2020, 48(1): 83-90. shu

Synthesis and hydroisomerization performance of n-C₁₂ over ZSM-48 molecular sieve with low silicon-aluminum ratio

College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Corresponding author: WANG Yan, wangyan@tyut.edu.cn LI Rui-feng, rfli@tyut.edu.cn
Received Date: 24 October 2019
Revised Date: 25 November 2019

Fund Project: The project was supported by National Natural Science Foundation of China(21978192), Youth Fund for Applied Basic Research Projects of Shanxi Province(201701D221040) and Key Research Project of Shanxi Province (201903D121036)Youth Fund for Applied Basic Research Projects of Shanxi Province 201701D221040National Natural Science Foundation of China 21978192Key Research Project of Shanxi Province 201903D121036

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A series of ZSM-48 zeolites with low Si/Al ratios (Si/Al < 100) were synthesized by hydrothermal synthesis method using hexamethydiammonium bromide as the structure directing agent. ICP-AES results showed that the Si/Al ratio of the synthesized sample was as low as 38.6, indicating the zeolite could be widely used. Pt supported on ZSM-48 with different Si/Al ratios were used for n-paraffin hydroisomerization. The catalytic reaction results showed that Pt/HZSM-48 with Si/Al ratio of 70 exhibited the best catalytic performance. However, the distribution of isomers had not been affected by Si/Al ratio of the ZSM-48, and the central-branched isomers were the main hydroisomerization products.
- ZSM-48 zeolite,
- low Si/Al ratio,
- n-dodecane,
- hydroisomerization,
- bifunctional catalyst
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Synthesis and hydroisomerization performance of n-C12 over ZSM-48 molecular sieve with low silicon-aluminum ratio

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Synthesis and hydroisomerization performance of n-C₁₂ over ZSM-48 molecular sieve with low silicon-aluminum ratio