Preparation of biomass carbon-based solid acid and its catalytic characteristics in hydrolysis of cellulose

CAI Xinxing; WANG Zhusheng; LI Ying; JI Weirong

doi:10.11949/j.issn.0438-1157.20150477

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Preparation of biomass carbon-based solid acid and its catalytic characteristics in hydrolysis of cellulose

更新时间：2025-12-10

- Preparation of biomass carbon-based solid acid and its catalytic characteristics in hydrolysis of cellulose
- CIESC Journal Issue 8, Pages: 3106-3112(2015)
- 作者机构：
  
  浙江工业大学化工学院,浙江,杭州,310014
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20150477
  CLC： Q127.1TQ353.6TK6
- Online First：05 August 2015，
  
  Published：05 August 2015
- 稿件说明：
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CAI Xinxing, WANG Zhusheng, LI Ying, et al. Preparation of biomass carbon-based solid acid and its catalytic characteristics in hydrolysis of cellulose[J]. CIESC Journal, 2015, (8): 3106-3112.
DOI：

CAI Xinxing, WANG Zhusheng, LI Ying, et al. Preparation of biomass carbon-based solid acid and its catalytic characteristics in hydrolysis of cellulose[J]. CIESC Journal, 2015, (8): 3106-3112. DOI： 10.11949/j.issn.0438-1157.20150477.

摘要

对炭化温度、磺化条件以及不同碳源等因素对生物质碳磺酸的酸量、表面结构及催化纤维素水解活性的影响进行了系统研究

并采用XRD、BET、 FT-IR和SEM等对碳磺酸的微观特征进行了分析

发现合适的炭化温度和炭化程度是制备高酸量碳磺酸的关键

在相同的炭化和磺化条件下

用不同生物质碳源制备得到碳磺酸的酸量接近

微观结构不同对纤维素水解催化活性有一定影响。在本文研究的几种碳磺酸中

具有蜂窝大孔结构的竹炭碳磺酸呈现比较突出的催化活性。将竹粉在400℃炭化3 h

然后在180℃下磺化8 h

得到竹炭碳磺酸的总酸量和磺酸量分别可达5.34和1.25 mmol·g-1。

Abstract

Carbon-based solid acids were prepared by using different biomass carbon sources. The effect of the carbonization temperature

sulfonation condition and type of biomass on the acid amount

surface structure and catalytic activity of the hydrolysis of cellulose were studied. The results indicated that the acid amount of the carbon-based solid acid obtained depended mainly on the carbonization temperature or essentially the carbonization degree of the biomass. The structural information of these solid acids were investigated by using XRD

BET

FT-IR and SEM. Under the same carbonization and sulfonation condition

the carbon-based solid acids prepared by using different biomasses gave a very similar acid amount but a quite different microstructure

leading to an obvious difference in the catalytic activity. The carbon-based solid acid produced from bamboo powder (BBC-SO3H) showed a better catalytic activity in the hydrolysis of cellulose than the acids from other studied biomasses. After carbonizing bamboos at 400℃ for 3 h and then sulfonating the carbonized bamboos at 180℃ for 8 h

the resulting solid acid gave a total acid amount of 5.34 mmol·g-1 and a sulfonic acid amount of 1.25 mmol·g-1

respectively.

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