毛竹热解制备高附加值化学品

doi:10.3969/j.issn.0438-1157.2014.08.052

化工学报 ›› 2014, Vol. 65 ›› Issue (8): 3237-3242.DOI: 10.3969/j.issn.0438-1157.2014.08.052

毛竹热解制备高附加值化学品

马善为, 李明, 陈怡欣, 朱锡锋

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

收稿日期:2013-11-20 修回日期:2014-04-23 出版日期:2014-08-05 发布日期:2014-08-05
通讯作者: 朱锡锋
基金资助:
国家重点基础研究发展计划项目（2013CB228103）；国家自然科学基金项目（50930006）；中国科学院重点部署项目（KGZD-EW-304-3）。

Pyrolysis of pubescens for high value-added chemicals

MA Shanwei, LI Ming, CHEN Yixin, ZHU Xifeng

Key Laboratory for Biomass Clean Energy of Anhui Province, University of Science and Technology of China, Hefei 230026, Anhui, China

Received:2013-11-20 Revised:2014-04-23 Online:2014-08-05 Published:2014-08-05
Supported by:
supported by the National Basic Research Program of China(2013CB228103) and the National Natural Science Foundation of China (50930006).

摘要/Abstract

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。

关键词: 毛竹, 热解, 选择性, 色谱, 预处理

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.

Key words: pubescens, pyrolysis, selectivity, chromatography, pretreatment

中图分类号:

马善为, 李明, 陈怡欣, 朱锡锋. 毛竹热解制备高附加值化学品[J]. 化工学报, 2014, 65(8): 3237-3242.

MA Shanwei, LI Ming, CHEN Yixin, ZHU Xifeng. Pyrolysis of pubescens for high value-added chemicals[J]. CIESC Journal, 2014, 65(8): 3237-3242.

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毛竹热解制备高附加值化学品

Pyrolysis of pubescens for high value-added chemicals

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