Experimental study on the fast pyrolysis of the rice husk for bio-oil production

doi:10.16085/j.issn.1000-6613.2016.07.015

Chemical Industry and Engineering Progree ›› 2016, Vol. 35 ›› Issue (07): 2041-2045.DOI: 10.16085/j.issn.1000-6613.2016.07.015

• Energy processes and technology • Previous Articles Next Articles

Experimental study on the fast pyrolysis of the rice husk for
bio-oil production

YU Yangyang¹, LI Hongliang^1,2, LU Zhiyuan¹, LIU Liping^1,2, BAI Jing^1,2, CHEN Junying^1,2

1. School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, Henan, China;
2. Engineering Laboratory of Henan Province for Biorefinery Technology and Equipment, Zhengzhou 450001, Henan, China

Received:2015-12-04 Revised:2015-12-28 Online:2016-07-05 Published:2016-07-05

稻壳快速热解制取生物质油的试验研究

余阳阳¹, 李洪亮^1,2, 鲁志远¹, 刘利平^1,2, 白净^1,2, 陈俊英^1,2

1. 郑州大学化工与能源学院, 河南郑州 450001;
2. 生物质炼制技术与装备河南省工程实验室, 河南郑州 450001

通讯作者: 李洪亮,副教授,研究方向为生物质清洁能源。E-mail:lihongliang@zzu.edu.cn。
作者简介:余阳阳(1990-),男,硕士研究生。

Abstract

Abstract: Currently, the condensation of bio-oil mainly is using the partition wall type cooler, which however can cause the coking of bio-oil and block the gas pipeline. According to the characteristics of dilute phase transport in fluidized bed, biomass pyrolysis and bio-oil condensate, a fast pyrolysis reactor with an improved bio-oil condenser was designed to pyrolyze the rice husk to prepare bio-oil. Experiments were conducted to study the factors affecting the yield of bio-oil such as reaction temperature, fluidizing gas flow and feeding rate. The result showed that the whole reaction device could run normally for a long time, and the bio-oil could condense rapidly, but the yield of bio-oil was increasing and then decreasing with the increase of reaction temperature, fluidizing gas flow and feeding rate. In addition, the bio-oil was collected and analyzed by GC-MS, and the contents of acids, ketones, esters and phenols were found relatively high in the bio-oil.

Key words: fast pyrolysis, bio-oil, fluidized bed, rice husk

摘要： 目前生物质快速热解高温热解气主要利用间壁式冷却器进行冷凝,容易造成冷却管道的结焦堵塞问题,本试验根据流化床稀相输送特点、生物质的热解特性以及生物质油的冷凝收集特点,设计了生物质快速热解反应装置,改进生物质物快速冷凝系统,以稻壳为原料进行快速热解制取生物质油的试验研究,分别考察单因素反应温度、流化气量以及进料速度对生物质油产率的影响。试验表明:稻壳热解气能够快速顺利地得到冷凝,反应系统能够连续顺利运行,随着反应温度、流化气量、进料速度的增大,生物质油的产率都呈现先增大后减小的趋势。另外对产出的生物质油用气质联用设备进行了成分分析,得出了生物质油的主要成分,其中酸类、酮类、脂类以及酚类的含量相对较高。

关键词: 快速热解, 生物质油, 流化床, 稻壳

CLC Number:

YU Yangyang, LI Hongliang, LU Zhiyuan, LIU Liping, BAI Jing, CHEN Junying. Experimental study on the fast pyrolysis of the rice husk for
bio-oil production[J]. Chemical Industry and Engineering Progree, 2016, 35(07): 2041-2045.

余阳阳, 李洪亮, 鲁志远, 刘利平, 白净, 陈俊英. 稻壳快速热解制取生物质油的试验研究[J]. 化工进展, 2016, 35(07): 2041-2045.

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Experimental study on the fast pyrolysis of the rice husk for
bio-oil production

稻壳快速热解制取生物质油的试验研究

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