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Citation: SHI Xiao-Bo, MO Chun-Sheng, LI Chun-Gen. Hydroxylation of Benzene into Phenol Catalyzed by Nano-heteropolymolybdovanadophosphates[J]. Chinese Journal of Applied Chemistry, ;2005, 22(1): 19-23. shu

Hydroxylation of Benzene into Phenol Catalyzed by Nano-heteropolymolybdovanadophosphates

1.
a Department of Chemistry, Zhanjiang Normal College, Zhanjiang 524048;
2.
b College of Chemistry, Jiangxi Normal University, Nanchang

Corresponding author: SHI Xiao-Bo,
Received Date: 5 March 2004
Available Online: 10 June 2004
Fund Project: 国家自然科学基金资助项目(20261003) (20261003)

Four nano heteropolymolybdovanadophosphates H₃MPMo₁₀V₂O₄₀·xH₂O(M=Co²⁺,Ni²⁺,Cu²⁺,Zn²⁺) were synthesized by solid-state reaction at room temperature. The catalytic activity of the nano heteropoly compound catalysts for the hydroxylation of benzene to phenol with H₂O₂ and the effects of reaction conditions were studied. The experimental results show that the yield of phenol was over 50% and the selectivity for phenol was over 98% under the optimum conditions, i.e.,H₂O₂/C₆H₆ (molar ratio)=1.5 C₆H₆/catalyst(mass ratio)=25, reaction time 2 h, temperature 70℃. The four nano catalysts exhibited high activity for the hydroxylation of benzene to phenol.
- benzene,
- hydroxylation,
- phenol,
- nano heteropoly compound
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