Supported Ga-oxide Catalyst for Dehydrogenation of Ethane

被引：7
作者：
Saito, Hikaru [1 ]
Maeda, Shun [1 ]
Seki, Hirofumi [1 ]
Manabe, Shota [1 ]
Miyamoto, Yuji [1 ]
Ogo, Shuhei [1 ]
Hashimoto, Kunihide [2 ]
Sekine, Yasushi [1 ]
机构：
[1] Waseda Univ, Dept Appl Chem, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1698555, Japan
[2] Kubota Corp, Mat Technol Dept, Steel Castings R&D Grp, 1-1-1 Nakamiya Dike, Hirakata, Osaka 5738573, Japan
来源：
JOURNAL OF THE JAPAN PETROLEUM INSTITUTE | 2017年 / 60卷 / 05期
关键词：
Ethane cracker; Ethane dehydrogenation; Gallium catalyst; XANES; Calcination temperature; GALLIUM OXIDE; BUTANE DEHYDROGENATION; ETHYLENE PRODUCTION; STEAM CRACKING; COKE FORMATION; SHALE GAS; PART I; PROPANE; CO2; MECHANISM;
D O I：
10.1627/jpi.60.203
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
We studied dehydrogenation catalysts to improve the performance of the ethane cracking tube. Ga, Ge, In, and Sn were studied as dehydrogenation catalysts. Catalytic activity tests showed that the Ga catalyst has the best performance among them. Although the Ga catalyst supported on alpha-Al2O3 calcined at 1323 K deactivated with time on stream, the Ga catalyst supported on gamma-Al2O3 calcined at 1323 K showed high ethylene yield and stability. Analyses of BET, XRD, EDX, and XANES were conducted to elucidate the differences of their performances. Ga catalyst supported on gamma-Al2O3 calcined at 1323 K showed high catalytic activity and stability because Ga was supported as a highly dispersed beta-Ga2O3-like structure thanks to high specific surface area of the gamma-Al2O3 support.
引用
收藏
页码：203 / 210
页数：8
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