Palladium, Acetylene, Hydrogenation
Chemical Engineering | Chemistry
An atomically dispersed palladium (Pd) catalyst supported onto a defective nanodiamond-graphene (ND@G) is reported here for selective hydrogenation of acetylene in the presence of abundant ethylene. The catalyst exhibits remarkable performance for the selective conversion of acetylene to ethylene: high conversion (100%), ethylene selectivity (90%), and good stability (i.e., steady for at least 30 hours). The unique struc-ture of the catalyst (i.e., atomically dispersion of Pd atoms on graphene through Pd-C bond anchoring) ensure the facile desorption of ethylene against the over-hydrogenation of ethylene to undesired ethane, which is the key for the outstanding selectivity of the catalyst.
Huang, Fei; Deng, Yuchen; Chen, Yunlei; Cai, Xiangbin; Peng, Mia; Jia, Zhimin; Ren, Pengju; Xiao, Dequan; Wen, Xiaodong; Wang, Ning; Liu, Hongyang; and Ma, Ding, "Atomically Dispersed Pd on Nanodiamond/Graphene Hybrid for Selective Hydrogenation of Acetylene" (2018). Chemistry and Chemical Engineering Faculty Publications. 31.
Huang, Fei, Yuchen Deng, Yunlei Chen, Xiangbin Cai, Mi Peng, Zhimin Jia, Pengju Ren et al. "Atomically dispersed Pd on nanodiamond/graphene hybrid for selective hydrogenation of acetylene." Journal of the American Chemical Society (2018). 140 (41), pp. 13142–13146