Direct synthesis of nitrogen-doped mesoporous carbons for acetylene hydrochlorination

doi:10.1016/S1872-2067(16)62459-2

Abstract

Abstract:

Nitrogen-doped ordered mesoporous carbon (N-OMC) catalysts were directly synthesized using SBA-15 as a hard template and sucrose as a carbon source. Urea, which was used as the nitrogen source, was carbonized with sucrose. A 3.6 wt% nitrogen doping of the carbon framework was achieved, with more than 70% of the nitrogen incorporated as quaternary nitrogen species. Only 0.2 wt% nitrogen doping, with only 32.7% quaternary nitrogen incorporation was obtained in an N-OMC catalyst (N-OMC-T) prepared using a two-step post-synthesis method. The acetylene hydrochlorination activities of N-OMC catalysts prepared via the one-step method were higher than that of the N-OMC-T catalyst because of the higher nitrogen loadings.

Key words: Acetylene, Hydrochlorination, Vinyl chloride, Mercury-free, N-doped carbon

Yong Yang, Guojun Lan, Xiaolong Wang, Ying Li. Direct synthesis of nitrogen-doped mesoporous carbons for acetylene hydrochlorination[J]. Chinese Journal of Catalysis, 2016, 37(8): 1242-1248.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(16)62459-2

https://www.cjcatal.com/EN/Y2016/V37/I8/1242

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