Citation: SHEN Dong-ming, CHENG Shi-lin, HAN Bing, ZHONG Tao, LÜ Peng, XING Chuang, GAI Xi-kun, LÜ Cheng-xue, YANG Rui-qin. Research on the performance of Cu/ZnO@H-β-P catalyst in the reaction of LPG preparation from syngas[J]. Journal of Fuel Chemistry and Technology, ;2017, 45(9): 1122-1129. shu

Research on the performance of Cu/ZnO@H-β-P catalyst in the reaction of LPG preparation from syngas

SHEN Dong-ming ^1,2,3 ,
CHENG Shi-lin ³ ,
HAN Bing ³ ,
ZHONG Tao ³ ,
LÜ Peng ^1,2,3,, ,
XING Chuang ^1,2,3 ,
GAI Xi-kun ^1,2,3 ,
LÜ Cheng-xue ^1,2,3 ,
YANG Rui-qin ^1,2,3

1.
Zhejiang Provincial Key Lab for Chem. & Bio. Processing Technology of Farm Product, Hangzhou 310023, China
2.
Zhejiang Provincial Collaborative Innovation Center of Agricultural Biological Resources Biochemical Manufacturing, Hangzhou 310023, China
3.
School of Biological and Chemical Engineering, Zhejiang University of Science & Technology, Hangzhou 310023, China

Corresponding author: LÜ Peng, lvpeng0830@zust.edu.cn
Received Date: 10 April 2017
Revised Date: 2 June 2017

Fund Project: the National Natural Science Foundation of China 21528302The project was supported by the National Natural Science Foundation of China (21528302), Zhejiang Province Natural Science Foundation (LQ16B060002) and the National Undergraduate Training Programs for Innovation and Entrepreneurship (201611057013)the National Undergraduate Training Programs for Innovation and Entrepreneurship 201611057013Zhejiang Province Natural Science Foundation LQ16B060002

Figures(10)

The Cu/ZnO catalyst was prepared by the coprecipitation method, and the H-β zeolite was prepared by the hydrothermal synthesis method, and the bifunctional catalyst Cu/ZnO@H-β-P with core shell structure was prepared by the physical envelope method. The catalysts were used in the reactions of LPG preparation from syngas. The catalysts were characterized by the means of XRD, BET, NH₃-TPD and SEM-EDS. The activity of the catalysts was evaluated by a continuous flow fixed bed reactor. The results show that the Cu/ZnO@H-β-P catalyst was the mesoporous material with core shell structure, and the acid intensity of H-β zeolite was changed, and the cascade reactions from methanol to dimethyl ether to LPG were promoted by core-shell synergy in the Cu/ZnO@H-β-P catalyst. The CO conversion and LPG selectivity were higher on the Cu/ZnO@H-β-P catalyst with core shell structure than those on the Mix-Cu/ZnO-H-β catalyst. The catalyst activity was affected by the reaction conditions of space velocity and reaction temperature. The best space velocity and reaction temperature were 2 400 h^-1 and 350℃. The CO conversion and LPG selectivity achieved respectively 57.22% and 60.52% in the reaction of LPG preparation from syngas at the best reaction conditions using the Cu/ZnO@H-β-P catalyst.
- liquefied petroleum gas (LPG),
- core shell structure,
- syngas conversion,
- hydrothermal synthesis
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