马尾藻基高比表面积活性炭的制备及表征

doi:10.11896/j.issn.1005-023X.2017.06.009

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Abstract High specific surface area activated carbons were prepared by chemical activation of gulfweed with KOH as a chemical activation agent. Orthogonal experiment was adopted to discuss the influences of carbonization temperature, carbonization time, pre-activating temperature, pre-activating time and impregnation time on products′ specific surface area and pore volume, by conducting the characterizations for pore structure and surface morphology through N₂ adsorption and SEM. From orthogonal experiment results, the optimum preparation conditions can be fixed as: carbonization temperature 600 ℃, carbonization time 180 min, pre-activating temperature 400 ℃, pre-activating time 45 min and impregnation time 2 h. The biggest specific surface area of the as-synthesized activated carbons in this work was 3 122 m²/g, and the pore sizes mainly concentrated within 6 nm.

Key words： gulfweed KOH activation method high specific surface area activated carbon pore structure

Published: 02 May 2018

CLC number:

TB34

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	Articles by authors
	LI Shijie
	HAN Kuihua
	HAN Xudong
	LU Chunmei

Cite this article:

LI Shijie,HAN Kuihua,HAN Xudong, et al. Preparation and Characterization for High Specific Surface Area
Activated Carbon from Gulfweed[J]. Materials Reports, 2017, 31(6): 38-44.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.06.009 OR http://www.mater-rep.com/EN/Y2017/V31/I6/38

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