Studies on optinmization preparation of granular activated carbon from agricultural wastes

JIAN Xiumei; ZHUANG Xiuzheng; JIANG Enchen; JIANG Xiaocong; LI Jianyu; WANG Xiong; GUO Xinhui; LI Shibo

doi:10.7671/j.issn.1001-411X.2015.02.016

Journal of South China Agricultural University > 2015 > 36(2): 90-94. > DOI: 10.7671/j.issn.1001-411X.2015.02.016

JIAN Xiumei, ZHUANG Xiuzheng, JIANG Enchen, JIANG Xiaocong, LI Jianyu, WANG Xiong, GUO Xinhui, LI Shibo. Studies on optinmization preparation of granular activated carbon from agricultural wastes[J]. Journal of South China Agricultural University, 2015, 36(2): 90-94. DOI: 10.7671/j.issn.1001-411X.2015.02.016

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Studies on optinmization preparation of granular activated carbon from agricultural wastes

College of Engineering, South China Agricultural University, Guangzhou 510642, China

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Received Date: February 27, 2014
Available Online: May 17, 2023

Graphical Abstract

Abstract

Abstract

Objective
The technology conditions for preparation of granular activated carbon from agricultural wastes were optimized and the factors influencing the activation were investigated in order to find an efficient way to produce granular activated carbon.
Method
The effects of raw materials including corn stalk, peanut shell and pine-nut shell, the content of binder and the activation time on the adsorptive performance were analyzed.
Result and conclusion
Under the designed conditions, the factor of raw material had the most significant influence, which was followed by the content of binder and the activation time. The optimum result was achieved when the raw material was corn straw, the activation time was 45 min, and the content of binder was 35%. The maximum adsorptive ability of granular activated carbon has the iodine value of 828.60 mg·g^-1, the methylene cyaine adsorption value of 143.22 mg·g^-1, the surface area value of 604.98 m²·g^-1. The results have certain influences on improving the economic and environmental benefits of granular activated carbon.
- agricultural waste,
- granular activated carbon,
- preparation,
- adsorption performance

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References

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