Study on Preparation of Activated Carbon from Corncob Furfural Residue with ZnCl2 by Microwave Irradiation

Cong Jin Chen; Long Bin Wei; Peng Cheng Zhao; Yue Li; Hua Yu Hu; Yu Ben Qin

doi:10.4028/www.scientific.net/AMR.152-153.1322

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 152-153Study on Preparation of Activated Carbon from...

Study on Preparation of Activated Carbon from Corncob Furfural Residue with ZnCl₂ by Microwave Irradiation

Abstract:

In this paper, the feasibility of preparing activated carbon from corncob furfural residue with ZnCl2 by microwave irradiation was studied. The effect of the ratio by weight of ZnCl2 to corncob furfural residue, ZnCl2 solution soaking time, microwave irradiation time and the pH value of ZnCl2 solution on the quality of activated carbon was investigated. On the condition that the microwave power is 800 W and ZnCl2 solution mass concentration is 50%, the best technological parameter on preparing activated carbon with ZnCl2 by microwave irradiation is obtained: at the ratio of 3.5:1 by weight of ZnCl2 to corncob furfural residue, microwave irradiation time is 20 min, ZnCl2 solution soaking time is 12 h, the pH value of ZnCl2 solution is 2, the activated carbon yield reached 33.1% and the decolorizing capacity for methylene blue is 202.5 mg/g, the product is used in treating Cr6+ solution(pH value 4.0, concentration 50 mg/L), its adsorption capacity of Cr6+ is 7.583 mg/g.

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Periodical:

Advanced Materials Research (Volumes 152-153)

Pages:

1322-1327

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.152-153.1322

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Online since:

October 2010

Authors:

Cong Jin Chen, Long Bin Wei, Peng Cheng Zhao, Yue Li, Hua Yu Hu, Yu Ben Qin

Keywords:

Activated Carbon (AC), Corncob Furfural Residue, Micro-Wave, ZnCl₂

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