期刊
CATALYSIS COMMUNICATIONS
卷 23, 期 -, 页码 34-38出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2012.02.031
关键词
Polymer; Alkaline earth metal; Synergistic effect; Hydrogenation; Benzophenone
资金
- National Natural Science Foundation of China [20806018]
- Natural Science Foundation of Hebei Province [B2011201017]
Soluble polymers are found to be effective in inhibiting the agglomeration of the active Ni particles in Ni-B amorphous alloy catalysts and then increase the catalysts activity in benzophenone hydrogenation. However, the acidic nature of polyethylene glycol 1000 will cause the dehydration of benzhydrol and decrease its yield. Here, we found that the addition of alkaline earth metals can tune the acid-base properties of the catalysts and overcome this shortcoming. Ba and polyethylene glycol 1000 doped Ni-B was found to exhibit excellent activity and selectivity to benzhydrol due to its larger surface areas, more surface active Ni species, and better acidic properties. (C) 2012 Elsevier B.V. All rights reserved.
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