Pyrolysis of pubescens for high value-added chemicals

MA Shanwei; LI Ming; CHEN Yixin; ZHU Xifeng

doi:10.3969/j.issn.0438-1157.2014.08.052

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Pyrolysis of pubescens for high value-added chemicals

更新时间：2025-12-10

- Pyrolysis of pubescens for high value-added chemicals
- CIESC Journal Issue 8, Pages: 3237-3242(2014)
- 作者机构：
  
  中国科学技术大学安徽省生物质洁净能源重点实验室,安徽,合肥,230026
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.08.052
  CLC： K6
- Online First：05 August 2014，
  
  Published：05 August 2014
- 稿件说明：
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MA Shanwei, LI Ming, CHEN Yixin, et al. Pyrolysis of pubescens for high value-added chemicals[J]. CIESC Journal, 2014, (8): 3237-3242.
DOI：

MA Shanwei, LI Ming, CHEN Yixin, et al. Pyrolysis of pubescens for high value-added chemicals[J]. CIESC Journal, 2014, (8): 3237-3242. DOI： 10.3969/j.issn.0438-1157.2014.08.052.

摘要

为了实现毛竹资源的高效利用，提高毛竹热解过程中高附加值化学品的产率，利用快速热裂解-色谱/质谱联用仪（Py-GC/MS）从热解温度、热解时间和预处理方式3个方面对毛竹的快速热解特性进行了研究。结果表明：温度是影响毛竹热解产物的重要因素，热解温度在350～800℃之间时，随着热解温度的提高，热解产物种类增多，各产物产率不同程度地增加，在600℃热解时，目标产物产率达到最大值；延长热解时间，产物的产率增加，但最终会趋于恒定；碱洗可以提高热解对酚类产物的选择性，而且碱性越强选择性越好，但是碱洗会使热解产物的产率降低。

Abstract

In order to efficiently utilize bamboo resources and increase the yield of high value-added products

pyrolysis-gas chromatography-mass spectrometry(Py-GC/MS) was used to study the influence of temperature

time and pretreatment on pubescens pyrolysis. Temperature had an important effect on the pyrolysis process. With the increase of temperature in the range of 350-800℃

an increasing variety of products was obtained

and the total yield of products increased with the highest yield of target products at 600℃. The total yield of products increased with pyrolysis time until it reached a maximum. Alkali washing could improve the selectivity for phenols

but higher selectivity with stronger basic solution could decrease the yield of products after alkali washing.

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