<em>Pinus massoniana</em> pyrolysis: influence of temperature on yields and product properties

MA Zhongqing; ZHANG Qisheng

doi:10.11833/j.issn.2095-0756.2016.01.015

Volume 33 Issue 1

Jan. 2016

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MA Zhongqing, ZHANG Qisheng. Pinus massoniana pyrolysis: influence of temperature on yields and product properties[J]. Journal of Zhejiang A&F University, 2016, 33(1): 109-115. doi: 10.11833/j.issn.2095-0756.2016.01.015

Citation:

MA Zhongqing, ZHANG Qisheng. Pinus massoniana pyrolysis: influence of temperature on yields and product properties[J]. Journal of Zhejiang A&F University, 2016, 33(1): 109-115. doi: 10.11833/j.issn.2095-0756.2016.01.015

Pinus massoniana pyrolysis: influence of temperature on yields and product properties

doi: 10.11833/j.issn.2095-0756.2016.01.015

MA Zhongqing^{1,2
,
,},
ZHANG Qisheng³

1.
School of Engineering, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;
2.
Key Laboratory of Wood Science and Technology of Zhejiang Province, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;
3.
College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China

Funds:

十二五国家科技支撑计划项目（2012BAD30B01）;浙江农林大学生物质资源化利用研究中心预研项目（2013SWZ03）;浙江农林大学人才引进启动基金资助项目（2014FR056）

Received Date: 2015-02-28
Rev Recd Date: 2015-05-05
Publish Date: 2016-02-20

Abstract

Pinus massoniana, a fast-growing wood species that is plentiful in China, could be converted into high-quality bio-fuel through thermal-chemical conversion technology. The objective of this study was to obtain useful data for effective design and operation of biomass pyrolysis technology fed by P. massoniana. In this study a fixed bed reactor was used to determine the influence of temperature （400, 500, 600, and 700 ℃） on yields and properties of slow pyrolysis products for P. massoniana. The components of bio-gas were analyzed by gas chromatograph （GC）, the properties of bio-char were analyzed by the Brunauer-Emmett-Teller （BET） and Barrett-Joyner-Halenda （BJH） methods, and the components of bio-oil were analyzed by gas chromatograph/mass spectrometry （GC/MS）. Results showed that as the pyrolysis temperature increased, the yield of bio-gas increased from 40.00% to 46.50%; whereas, the yields of bio-char and bio-oil decreased from 26.50% to 24.00% and 33.50% to 29.50%, respectively. At 700 ℃, the lower heating value （LHV） of bio-gas reached its maximum value of 12.11 MJN－1m－3 with components of CO2（24.00%）, CO（25.00%）, CH4（15.50%）, H2（25.50%）, and CnHm （2 n4）（0.97%）; also the maximum values for LHV （31.8 MJkg－1） and specific surface area （536.13 m2g－1） were attained. The main components in the bio-oil were acetic acid （5.30%）, 1-hydroxy-2-butanone （4.10%）, hydroxy-acetone （8.50%）, phenol （2.70%）, and methylphenol （3.90%） which could be important chemicals source by refining .［Ch, 3 fig. 3 tab. 18 ref.］
- wood science and technology,
- Pinus massoniana,
- slow pyrolysis,
- fixed bed,
- bio-gas,
- bio-char,
- bio-oil

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Pinus massoniana pyrolysis: influence of temperature on yields and product properties

1. School of Engineering, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

2. Key Laboratory of Wood Science and Technology of Zhejiang Province, Zhejiang A & F University, Lin’an 311300, Zhejiang, China;

3. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China

Funds:

Received Date: 2015-02-28

Rev Recd Date: 2015-05-05

Publish Date: 2016-02-20

Key words:

Abstract: Pinus massoniana, a fast-growing wood species that is plentiful in China, could be converted into high-quality bio-fuel through thermal-chemical conversion technology. The objective of this study was to obtain useful data for effective design and operation of biomass pyrolysis technology fed by P. massoniana. In this study a fixed bed reactor was used to determine the influence of temperature （400, 500, 600, and 700 ℃） on yields and properties of slow pyrolysis products for P. massoniana. The components of bio-gas were analyzed by gas chromatograph （GC）, the properties of bio-char were analyzed by the Brunauer-Emmett-Teller （BET） and Barrett-Joyner-Halenda （BJH） methods, and the components of bio-oil were analyzed by gas chromatograph/mass spectrometry （GC/MS）. Results showed that as the pyrolysis temperature increased, the yield of bio-gas increased from 40.00% to 46.50%; whereas, the yields of bio-char and bio-oil decreased from 26.50% to 24.00% and 33.50% to 29.50%, respectively. At 700 ℃, the lower heating value （LHV） of bio-gas reached its maximum value of 12.11 MJN－1m－3 with components of CO2（24.00%）, CO（25.00%）, CH4（15.50%）, H2（25.50%）, and CnHm （2 n4）（0.97%）; also the maximum values for LHV （31.8 MJkg－1） and specific surface area （536.13 m2g－1） were attained. The main components in the bio-oil were acetic acid （5.30%）, 1-hydroxy-2-butanone （4.10%）, hydroxy-acetone （8.50%）, phenol （2.70%）, and methylphenol （3.90%） which could be important chemicals source by refining .［Ch, 3 fig. 3 tab. 18 ref.］

Pinus massoniana pyrolysis: influence of temperature on yields and product properties

doi: 10.11833/j.issn.2095-0756.2016.01.015

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Pinus massoniana pyrolysis: influence of temperature on yields and product properties

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