Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 6, Issue 5, Pages 1402-1409Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cy01277e
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Funding
- National Basic Research Program of China [2012CB720302]
- NSFC [21176174]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT1161]
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A Ru-based catalyst (Ru/N-AC) was prepared using N-doped carbon as the support and the catalytic performance of the one-step synthesis reaction of vinyl chloride monomer (VCM) from acetylene and 1,2-dichloroethane (EDC) was assessed. It is indicated that 1% Ru/N-AC exhibited good catalytic activity with an initial acetylene conversion of 95.2% at 250 degrees C, an EDC total liquid hourly space velocity (LHSV) of 0.2 h-1 and a molar ratio n.EDC)/n(C2H2) of 1, much better than that of 1% Ru/AC or N-AC. Through BET, TG, XPS, ICP, TPR, TPD, TEM and XRD characterization, it is indicated that N-doped AC support can increase the amount of RuO2 and RuOx species in the catalyst and enhance its adsorption ability for both EDC and acetylene, suggesting that the N dopant and Ru species generated a synergistic effect in the one-step synthesis reaction of VCM.
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