Citation: LIU Fan, LIU Long-lei, XUE Da, LI Fu-xiang. Crystal transformation synthesis, hydrogenation activity and sulfur-tolerant performance of Pt particles encapsulated in sodalite[J]. Journal of Fuel Chemistry and Technology, ;2016, 44(4): 477-482. shu

Crystal transformation synthesis, hydrogenation activity and sulfur-tolerant performance of Pt particles encapsulated in sodalite

LIU Fan ¹ ,
LIU Long-lei ^1,2 ,
XUE Da ¹ ,
LI Fu-xiang ^1,*,,

1.
Research Institute of Special Chemicals, Taiyuan University of Technology, Taiyuan 030024, China
2.
College of Science and Technology, Agricultural University of Hebei, Cangzhou 061100, China

Corresponding author: LI Fu-xiang, l63f64x@163.com
Received Date: 13 November 2015
Revised Date: 19 January 2016

Fund Project: the Natural Science Foundation of Shanxi Province 2014011012-4The project was supported by the National Natural Science Foundation of China 50972097

Figures(5)

Noble metals are widely used as hydrogenation catalysts for refining and modifying fuel oil. However, their stability is still a problem. Thus, crystal transformation method was used here to encapsulate platinum (Pt) particles in sodalite through two steps. First, the sample was crystallized at 100 ℃ for 12 h. Then, it was further crystallized at 120 ℃ for 144 h, 130 ℃ for 96 h, 140 ℃ for 60 h, 150 ℃ for 42 h, or 160 ℃ for 30 h. The resultant solid (designated as Pt/SOD) shows high activity and excellent sulfur-tolerant performance in benzene hydrogenation. The crystalline phases were identified by X-ray diffraction technique. The hydrogen spillover effect of Pt/SOD and the spillover hydrogen acceptability of HZSM-5 were investigated with H₂-TPD.
- synthesis,
- encapsulation,
- sodalite,
- crystal transformation,
- sulfur tolerance
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1.
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