Esterification reactions catalyzed by novel sulfonated carbon material derived from bamboo

SHEN Zhongquan; YU Ximeng; CHEN Jizhong

doi:10.11949/j.issn.0438-1157.20150804

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Esterification reactions catalyzed by novel sulfonated carbon material derived from bamboo

更新时间：2025-12-10

- Esterification reactions catalyzed by novel sulfonated carbon material derived from bamboo
- CIESC Journal Issue 8, Pages: 3072-3077(2015)
- 作者机构：
  
  浙江大学化学工程与生物工程学院,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150804
  CLC： 623.42
- Online First：05 August 2015，
  
  Published：05 August 2015
- 稿件说明：
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SHEN Zhongquan, YU Ximeng, CHEN Jizhong. Esterification reactions catalyzed by novel sulfonated carbon material derived from bamboo[J]. CIESC Journal, 2015, (8): 3072-3077.
DOI：

SHEN Zhongquan, YU Ximeng, CHEN Jizhong. Esterification reactions catalyzed by novel sulfonated carbon material derived from bamboo[J]. CIESC Journal, 2015, (8): 3072-3077. DOI： 10.11949/j.issn.0438-1157.20150804.

摘要

以竹粉为原料、对甲苯磺酸为磺化剂

一锅法制备合成了新型磺化竹炭材料(SBC)。利用元素分析、酸碱反滴定、热重分析(TGA)、X射线光电子能谱(XPS)、X射线衍射(XRD)和傅里叶红外(FTIR)等对所制备的SBC进行了表征。以乙酸和正丁醇的酯化反应为探针反应

评价了SBC的催化作用

考察了催化剂用量、反应温度、酸醇摩尔比等的影响。结果表明

在反应温度为80℃、反应时间4 h、SBC用量为正丁醇质量的10%、酸醇摩尔比为3.5:1的适宜条件下

正丁醇转化率达到91.8%

选择性99.5%。SBC重复使用5次

正丁醇转化率仍可达80%以上。此外

SBC催化其他酯化反应体系的实验结果表明

SBC催化活性接近或优于商品离子交换树脂Amberlyst-15。

Abstract

A novel sulfonated carbon from bamboo (SBC) was prepared by one-pot method using p-toluenesulfonic acid as sulfonating agent. The structure and property of SBC were characterized using elemental analysis

acid-base inverse titration

thermo-gravimetric analysis (TGA)

X-ray photon spectroscopy (XPS)

XRD and FTIR. Esterification of n-butanol with acetic acid was used as a standard reaction to evaluate the catalytic performance of SBC. The influences of catalyst amount

temperature and molar ratio of acid to alcohol were fully investigated．91.8% conversion of n-butanol with 99.5% selectivity was achieved under the following conditions: reaction temperature 80℃

reaction time 4 h

catalyst amount 10% (mass) of n-butanol

molar ratio of acetic acid to n-butanol 3.5:1. Above 80% conversion of n-butanol could still be reached after SBC was used for 5 times. Additionally

SBC showed comparable or superior catalytic activity in other esterification reactions in comparison with the commercial ion exchange resin Amberslyst-15

which demonstrated that SBC has a good prospect in industrial applications.

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