Citation: Chun Yan Hou, Liang Rong Feng, Fa Li Qiu. Highly active catalyst for vinyl acetate synthesis by modified activated carbon[J]. Chinese Chemical Letters, ;2009, 20(7): 865-868. doi: 10.1016/j.cclet.2009.01.027 shu

Highly active catalyst for vinyl acetate synthesis by modified activated carbon

a Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China;
b The Graduate School of Chinese Academy of Science, Beijing 100049, China

Received Date: 31 October 2008

A new zinc acetate catalyst which was prepared from modified activated carbon exhibited extreme activity towards the synthesis of vinyl acetate. The activated carbon was modified by nitric acid, vitriol and peroxyacetic acid (PAA). The effect on specific area,structure, pH and surface acidity groups of carriers by modification was discussed. Amount of carbonyl and carboxyl groups in activated carbon was increased by peroxyacetic acid treatment. The productivity of the new catalyst was 14.58% higher than that of catalyst prepared using untreated activated carbon. The relationship between amount of carbonyl and carboxyl groups (m) and catalyst productivity (P) was P=1.83+2.26×10^-3*e^3.17m. Reaction mechanism was proposed.
- Surface acidic groups,
- Peroxyacetic acid,
- Activated carbon,
- Catalyst for vinyl acetate synthesis
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