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Citation: Lei Shi, Bing Yan, Dan Shao, Fan Jiang, Dongqi Wang, An-Hui Lu. Selective oxidative dehydrogenation of ethane to ethylene over a hydroxylated boron nitride catalyst[J]. Chinese Journal of Catalysis, ;2017, 38(2): 389-395. doi: 10.1016/S1872-2067(17)62786-4 shu

Selective oxidative dehydrogenation of ethane to ethylene over a hydroxylated boron nitride catalyst

Lei Shi ^a, ,
Bing Yan ^a ,
Dan Shao ^a ,
Fan Jiang ^a ,
Dongqi Wang ^b ,
An-Hui Lu ^a

a State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China;
b Center for Multi-disciplinary Research, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

Received Date: 9 January 2017
Revised Date: 18 January 2017

Fund Project: This work was supported by the National Natural Science Foundation of China (21225312, U1462120, 21473206) and Cheung Kong Scholars Programme of China (T2015036).

Boron nitride containing hydroxyl groups efficiently catalysed oxidative dehydrogenation of ethane to ethylene, offering rather high selectivity (95%) but only small amount of CO₂ formation (0.4%) at a given ethane conversion of 11%. Even at high conversion level of 63%, the selectivity of ethylene retained at 80%, which is competitive with the energy-demanding industrialized steam cracking route. A long-term test for 200 h resulted in stable conversion and product selectivity, showing the excellent catalytic stability. Both experimental and computational studies have identified that the hydrogen abstraction of B-OH groups by molecular oxygen dynamically generated the active sites and triggered ethane dehydrogenation.
- Boron nitride,
- Hydroxylation,
- Ethane,
- Oxidative dehydrogenation,
- Ethylene
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