Citation: Feng Yu, Ming-Yuan Zhu, Fei-Hong Ouyang, Bin Dai, Jian-Ming Dan. Hydrochlorination of acetylene using expanded multilayered vermiculite (EML-VMT)-supported catalysts[J]. Chinese Chemical Letters, ;2015, 26(9): 1101-1104. doi: 10.1016/j.cclet.2015.05.020 shu

Hydrochlorination of acetylene using expanded multilayered vermiculite (EML-VMT)-supported catalysts

¹ ,
Feng Yu ^1,2,3,, ,
Ming-Yuan Zhu ¹ ,
Fei-Hong Ouyang ¹ ,
Bin Dai ¹ ,
Jian-Ming Dan ^1,2,3,,

1.
1 Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China;
2.
2 Engineering Research Center of Materials-Oriented Chemical Engineering of Xinjiang Production and Construction Corps, Shihezi 832003, China;
3.
3 Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region, Shihezi 832003, China

Corresponding author: Feng Yu, Jian-Ming Dan,
Received Date: 27 March 2015
Available Online: 5 May 2015
Fund Project: This work was financially supported by National Natural Science Foundation of China (Nos. 21163015, 21366027) (Nos. 21163015, 21366027) the Doctor Foundation of Bingtuan (No. 2014BB004) (No. 2014BB004) the National Basic Research Program of China (973Program, No. 2012CB720300) (973Program, No. 2012CB720300) the Program for Changjiang Scholars, Innovative Research Team in University (No. IRT1161) (No. IRT1161)

Catalyst supports have very important effects on catalyst performance. A novel expanded multilayered vermiculite (EML-VMT) is successfully used as the catalyst support for the acetylene hydrochlorination. By mixing carbon on the surface of EML-VMT (i.e., EML-VMT-C), the HgCl₂/EML-VMT-C achieved a high acetylene conversion of 97.3%, a vinyl chloride selectivity of 100% and a turn over frequency (TOF) value of 8.83×10^-3 s^-1 at a temperature of 140℃, an acetylene gas hourly space velocity (GHSV) of 108 h^-1, and a feed volume ratio V(HCl)/V(C₂H₂) of 1.15. Moreover, the HgCl₂/EML-VMT-C shows good stability. The EML-VMT also shows potential in the preparation of other EML-VMT-supported catalysts.
- Acetylene hydrochlorination,
- Vermiculite,
- Catalyst support,
- Acetylene conversion,
- Vinyl chloride selectivity
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