Development of specific surface area in carbon material prepared from cassava tuber char using a chemical activation assisted sonochemical process
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Publication Details
Author list: Aup-Ngoen K., Noipitak M.
Publisher: Trans Tech Publications
Publication year: 2017
Volume number: 751 KEM
Start page: 695
End page: 700
Number of pages: 6
ISBN: 9783035710823
ISSN: 1013-9826
eISSN: 1662-9795
Languages: English-Great Britain (EN-GB)
Abstract
The preparation of carbon materials from low-cost agricultural residues is presented in this work. Carbon products were prepared from carbonized cassava tuber (cassava tuber char, CTC) using a chemical activation assisted sonochemical process incorporating KOH as an activating agent. The physical properties such as proximate analysis, ultimate analysis and FTIR spectra of raw material were studied using cassava tuber collected from farmland in the Kanchanaburi Province. The structure of the precursor material played a significant role in influencing the quality and properties of the as-prepared carbon. It was found that the specific surface area of carbon products was improved through chemical activation assisted sonochemical process at 80 oC for 4 hours. The influence of KOH impregnation ratios on the specific surface area of the prepared carbon was also investigated in the activation step. Moreover, the properties of cassava tuber-carbon material were characterized by SEM, FTIR, XRD, and multipoint BET analysis. Finally, the application of cassava tuber carbon material as a carbon support for ZnO photocatalyst was investigated by a simple technique. ฉ 2017 Trans Tech Publications, Switzerland.
Keywords
BET surface area, Cassava tuber char, Chemical activation, Sonochemical process
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