Effects of Pyrolytic Time and Temperature on Microstructure, Physical and Chemical Properties of Biochar Made from Tobacco Straws

WANG Cheng-ji; WU Zhi-dan; HU Zhong-liang; TANG Li-na; LIU Cen-wei; HUANG Yi-bin

doi:10.19303/j.issn.1008-0384.2017.07.016

Volume 32 Issue 7

Oct. 2017

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Article Navigation > Fujian Journal of Agricultural Sciences > 2017 > 32(7): 774-778

WANG Cheng-ji, WU Zhi-dan, HU Zhong-liang, TANG Li-na, LIU Cen-wei, HUANG Yi-bin. Effects of Pyrolytic Time and Temperature on Microstructure, Physical and Chemical Properties of Biochar Made from Tobacco Straws[J]. Fujian Journal of Agricultural Sciences, 2017, 32(7): 774-778. doi: 10.19303/j.issn.1008-0384.2017.07.016

Citation:

WANG Cheng-ji, WU Zhi-dan, HU Zhong-liang, TANG Li-na, LIU Cen-wei, HUANG Yi-bin. Effects of Pyrolytic Time and Temperature on Microstructure, Physical and Chemical Properties of Biochar Made from Tobacco Straws[J]. Fujian Journal of Agricultural Sciences, 2017, 32(7): 774-778. doi: 10.19303/j.issn.1008-0384.2017.07.016

Citation:

WANG Cheng-ji, WU Zhi-dan, HU Zhong-liang, TANG Li-na, LIU Cen-wei, HUANG Yi-bin. Effects of Pyrolytic Time and Temperature on Microstructure, Physical and Chemical Properties of Biochar Made from Tobacco Straws[J]. Fujian Journal of Agricultural Sciences, 2017, 32(7): 774-778. doi: 10.19303/j.issn.1008-0384.2017.07.016

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Effects of Pyrolytic Time and Temperature on Microstructure, Physical and Chemical Properties of Biochar Made from Tobacco Straws

doi: 10.19303/j.issn.1008-0384.2017.07.016

1.
Institute of Agricultural Ecology, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350013, China
2.
State Key Laboratory of Soil and Sustainable Agriculture/Institute of Soil Science, Chinese Academy of Sciences, Nanjing, Jiangsu 210008, China
3.
Tea Research Institute, Fujian Academy of Agricultural Sciences, Fu'an, Fujian 355015, China
4.
Shaxian Branch of Sanming Tobacco Company of Fujian province, Shaxian, Fujian 366500, China
5.
Tobacco Agriculture Science Research Institute of Fujian Province, Fuzhou, Fujian 350003, China

Received Date: 2016-10-15
Rev Recd Date: 2017-05-26
Publish Date: 2017-07-28

Abstract

Abstract

Effects of temperature and duration of pyrolysis on the microstructure, physical and chemical properties of biochar made from tobacco straws were studied. Pyrolysis at 300, 450, and 600 for 1 or 3 h to produce biochar were carried out for comparison. It was found that the resulting biochar was highly porous with a considerable specific surface area, and the structure remained largely that of the tobacco straws. As the pyrolytic time and temperature increased, the biochar increased on pH, organic carbon, total potassium and C/N ratio, while declined on output and total nitrogen. Conditions of the pyrolysis also significant affected the physical and chemical properties of the biochar, particularly, the temperature. Biochar for agriculture applications was a new venue to utilize tobacco straws. Nonetheless, the production cost, technology development, and on-site operation were some of the obstacles yet to be overcome before it could be feasibly applied for common practices.
- pyrolysis,
- temperature,
- duration,
- tobacco straws,
- biochar,
- microstructure,
- physical and chemical properties

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References(27)

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