微波吸收剂辅助吸波快速热解稻壳的气化特性

doi:10.16085/j.issn.1000-6613.2015.08.044

化工进展 ›› 2015, Vol. 34 ›› Issue (08): 3183-3187.DOI: 10.16085/j.issn.1000-6613.2015.08.044

微波吸收剂辅助吸波快速热解稻壳的气化特性

王允圃^1,2, 刘玉环^1,2, 阮榕生^1,2, 陈伟光^1,2, 万益琴^1,2

1 南昌大学生物质转化教育部工程研究中心, 江西南昌 330047;
2 南昌大学食品科学与技术国家重点实验室, 江西南昌 330047

收稿日期:2014-12-22 修回日期:2015-01-08 出版日期:2015-08-05 发布日期:2015-08-05
通讯作者: 刘玉环,教授,博士生导师。E-mail liuyuhuan@ncu.edu.cn。
作者简介:王允圃(1985—),男,硕士,助理实验师。E-mail wangyunpujiayou@163.com。
基金资助:
国家自然科学基金(21266022, 21466022)、国家高技术研究发展计划(2012AA101800-03, 2012AA021205-6, 2012AA021704)、江西省青年基金(GJJ13017)、江西省科技战略性新兴产业研发项目(2013AFC30044)、江西省科技厅科技落地计划(KJLD12011)、江西省科技重大专项(2012ABG04103)及国家重点实验室建设项目计划(SKLF-ZZB-201312)。

Fast microwave assisted pyrolysis of rice husk for syngas production using microwave absorbent

WANG Yunpu^1,2, LIU Yuhuan^1,2, RUAN Rongsheng^1,2, CHEN Weiguang^1,2, WAN Yiqin^1,2

1 Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang 330047, Jiangxi, China;
2 State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, Jiangxi, China

Received:2014-12-22 Revised:2015-01-08 Online:2015-08-05 Published:2015-08-05

摘要/Abstract

摘要： 以稻壳为研究对象,采用碳化硅、残炭为微波吸收剂,运用新型微波辅助催化气化技术以及微波吸附剂辅助加热技术,研究微波吸收剂辅助吸波快速热解稻壳气化特性,通过气相色谱等手段对裂解气体进行分析。结果表明,微波吸收剂辅助吸波快速热解稻壳产物以气体为主,最高达53%,热解气体产物主要成分为H₂、CO₂、CO、CH₄,占到纯热解气总量的97%以上,氢气体积分数最高,均高于38%。稻壳与残炭添加量质量比为1:1时,氢气体积分数可达48.12%,合成气(H₂+CO)含量大于60%。研究结果证明了微波吸收剂辅助吸波快速热解稻壳气化制备富氢燃气的可行性。

关键词: 稻壳, 微波吸收剂, 微波热解, 气化

Abstract: Rice husk was chosen as a model compound by microwave heating with silicon carbide (SiC) and carbon residue as microwave absorbent. A novel concept of fast microwave assisted pyrolysis of rice husk for syngas production in the presence of microwave absorbents was presented and examined. Experimental results showed gas was the main product in the fast microwave assisted pyrolysis of rice husk using microwave absorbent, the highest yield was 53%, The primary components of gas product were H₂, CO₂, CO, and CH₄, which accounted for more than 97% of pyrolysis gas volume. The content of H₂was higher than 38%, and it reached 48.12% when carbon residue was used. The optimal ratio of carbon residue to rice husk was determined as 1:1, and the syngas (H₂+ CO) content is greater than 60%, so fast microwave assisted pyrolysis using microwave absorbent is an effective heating method for biomass gasification.

Key words: rice husk, microwave absorbent, microwave pryolysis, gasification

中图分类号:

S216.2

王允圃, 刘玉环, 阮榕生, 陈伟光, 万益琴. 微波吸收剂辅助吸波快速热解稻壳的气化特性[J]. 化工进展, 2015, 34(08): 3183-3187.

WANG Yunpu, LIU Yuhuan, RUAN Rongsheng, CHEN Weiguang, WAN Yiqin. Fast microwave assisted pyrolysis of rice husk for syngas production using microwave absorbent[J]. Chemical Industry and Engineering Progree, 2015, 34(08): 3183-3187.

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微波吸收剂辅助吸波快速热解稻壳的气化特性

Fast microwave assisted pyrolysis of rice husk for syngas production using microwave absorbent

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