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Comparative study of phenolic resin-based activated carbons by means of supercritical water activation and steam activation

Cai, Q, Huang, Z-H and Kang, F-Y (2005) Comparative study of phenolic resin-based activated carbons by means of supercritical water activation and steam activation Xinxing Tan Cailiao/New Carbon Materials, 20 (2). pp. 122-128.

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Abstract

A new activation method, supercritical water activation (650°C, 32 Pa), and a traditional method, steam activation (650°C), were used to prepare phenolic resin based activated carbons. Based on pore structure characterization of the samples by nitrogen adsorption and weight loss behavior of the starting materials by TG/ DSC analysis, the effects of the two different activation methods and the degree of carbonization of the starting materials on the evolution of the pore structure of phenolic resin-based activated carbons were obtained. Results show that: (1) supercritical water activation benefits the development of mesoporosity, while steam activation benefits the development of microporosity; (2) activated carbons with high specific surface area and mesoporosity were obtained at a low degree of burn-off from phenolic resin-based carbons carbonized to a low degree.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
AuthorsEmailORCID
Cai, QUNSPECIFIEDUNSPECIFIED
Huang, Z-HUNSPECIFIEDUNSPECIFIED
Kang, F-YUNSPECIFIEDUNSPECIFIED
Date : June 2005
Depositing User : Symplectic Elements
Date Deposited : 28 Mar 2017 13:23
Last Modified : 28 Mar 2017 13:23
URI: http://epubs.surrey.ac.uk/id/eprint/803939

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