期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 1, 期 9, 页码 1092-1101出版社
AMER CHEMICAL SOC
DOI: 10.1021/sc400118f
关键词
Optimization; Macroalgae; Hydrothermal carbonization; Biomass; Sargassum horneri
资金
- Faculty of Science and Engineering of University of Nottingham Ningbo China
- Ningbo Science and Technology Bureau [2012B82011]
- Natural Science Foundation of Zhejiang Province [LY12D06004]
- Public Welfare project of the Science and Technology Committee of Zhejiang Province [2011C23071]
Hydrochars derived from macroalgae Sargassum horneri were characterized physically and chemically to elucidate their potential as a valuable resource. Hydrochars were prepared by hydrothermal carbonization (HTC) of Sargassum horneri at temperatures of 180-210 degrees C with citric acid. The hydrochars were found to form mainly through a dehydration reaction pathway and had carbon contents of 36.8-50.5% and higher heating values of 19.0-25.1 MJ kg(-1). The BET surface area of hydrochars remained low, in the range of 0.6-31.8 m(2) g(-1). On the basis of Taguchi's experimental design, reaction temperature, reaction time, and particle size of feedstock were found to be the most important control factors for the chemical and physical properties of the hydrochars.
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