期刊
CHINESE JOURNAL OF CHEMICAL ENGINEERING
卷 29, 期 -, 页码 196-203出版社
CHEMICAL INDUSTRY PRESS CO LTD
DOI: 10.1016/j.cjche.2020.06.008
关键词
Carbon defects material; High nitrogen content; Acetylene hydrochlorination; Catalyst; Chemical reaction; Nanomaterials
资金
- National Natural Science Foundation of China [21666033]
- State Key Research and Development Project of China [2016YFB0301603]
- International Corporation of S&T Project in Xinjiang Production and Construction Corps [2018BC003]
The study developed a simple strategy to synthesize high nitrogen and rich carbon defect carbon material through polymerizing DAP and APS. The catalytic performance of N-doped carbon material was enhanced with an increment in carbon defects. NC-800 catalyst exhibited outstanding catalytic activity and stability in acetylene hydrochlorination, reflecting its unlimited potential as a carbon material.
In this work, we developed a simple strategy to synthesize a carbon material with high nitrogen and rich carbon defects. Our approach polymerized diaminopyridine (DAP) and ammonium persulfate (APS). Following a range of different temperature pyrolysis approaches, the resulting rough surfacewas shown to exhibit edge defects due to N-doping on graphite carbon. A series of catalysts were evaluated using a variety of characterization techniques and tested for catalytic performance. The catalytic performance of the N-doped carbon material enhanced alongside an increment in carbon defects. The NC-800 catalyst exhibited outstanding catalytic activity and stability in acetylene hydrochlorination (C2H2 GHSV = 30 h(-1), at 220 degrees C, the acetylene conversion rate was 98%), with its stability reaching up to 450 h. Due to NC-800 having a nitrogen content of up to 13.46%, it had the largest specific surface area and a high defect amount, as well as strong C2H2 and HCl adsorption. NC-800 has excellent catalytic activity and stability to reflect its unlimited potential as a carbon material. (C) 2020 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.
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