锰氧化物液相高效选择性催化氧化甲苯生成苯甲酸

廖菽欢; 程高; 何彬彬; 余林

doi:10.12052/gdutxb.170068

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锰氧化物液相高效选择性催化氧化甲苯生成苯甲酸

综合研究 | 更新时间：2026-05-27

- 锰氧化物液相高效选择性催化氧化甲苯生成苯甲酸
- High Efficiency Selective Oxidation of Toluene to Benzoic Acid with Manganese Oxides
- 广东工业大学学报 2017年34卷第5期页码：96-102
- 作者机构：
- 作者简介：
  
  廖菽欢(1991-),男,硕士研究生,主要研究方向为小分子有机物选择性催化氧化.
  余林(1968-),男,教授,博士生导师,主要研究方向为催化新材料及催化新反应.E-mail:gych@gdut.edu.cn
- 基金信息：
  
  国家自然科学基金资助项目（21576054）
- DOI：10.12052/gdutxb.170068
  中图分类号： O625.5
- 网络首发：2017-09-09，
  
  纸质出版：2017
- 稿件说明：
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廖菽欢, 程高, 何彬彬, 余林. 锰氧化物液相高效选择性催化氧化甲苯生成苯甲酸[J]. 广东工业大学学报, 2017, 34(5): 96-102.

Liao Shu-huan, Cheng Gao, He Bin-bin, et al. High Efficiency Selective Oxidation of Toluene to Benzoic Acid with Manganese Oxides[J]. 2017, 34(5): 96-102.
廖菽欢, 程高, 何彬彬, 余林. 锰氧化物液相高效选择性催化氧化甲苯生成苯甲酸[J]. 广东工业大学学报, 2017, 34(5): 96-102. DOI： 10.12052/gdutxb.170068.

Liao Shu-huan, Cheng Gao, He Bin-bin, et al. High Efficiency Selective Oxidation of Toluene to Benzoic Acid with Manganese Oxides[J]. 2017, 34(5): 96-102. DOI： 10.12052/gdutxb.170068.

摘要

甲苯选择性氧化制备苯甲酸是小分子有机化学中重要的反应，是廉价芳香烃提高附加值的最有效途径之一.以同一比例的反应物为原料，在4种不同温度的条件下，考察温度对于催化剂形成的影响，并以甲苯液相选择性催化氧化生成苯甲酸为探针反应.采用X射线衍射（XRD）、扫描电镜（SEM）、BET比表面积、程序升温还原（H

-TPR）等表征手段对所得锰氧化物进行表征，分析其催化能力差异的原因.最后在温和的回流反应体系下，80℃合成的锰氧化物表现出较好催化性能和优异的目标产物选择性.在优化反应条件下，甲苯的转化率达到44.67%，目标产物苯甲酸的选择性达到79.18%.

Abstract

Selective oxidation of toluene to benzoic acid is an important reaction in small molecular organic chemical

which is a most efficient method for increasing addition value of cheap aromatic hydrocarbon. In four different temperatures

some reactants with same proportion are taken as the raw material

investigating the effect of temperature on catalyst forming. The selective catalytic oxidation of benzoic acid and toluene in liquid phase as the probe reaction

and obtaining manganese oxides are characterized by XRD

SEM

BET

-TPR. According to results of characterization

the reasons of difference catalytic performance have been resolved. In reflux reaction system with mild reaction conditions

finally

the man

ganese oxides by 80℃ synthesizing obtain good catalytic performance and excellent selectivity of target product. It is shown that the toluene conversion is 44.67% and selectivity of benzoic acid is 79.18% in optimal reaction conditions.

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references

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