期刊
GREEN CHEMISTRY
卷 12, 期 8, 页码 1454-1459出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c003479g
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资金
- Directorate General of Higher Education, Ministry of National Education, Republic of Indonesia
A novel carbonaceous nanocomposite pellicle was prepared by one-step mild hydrothermal carbonization of bacterial cellulose pellicle soaked in glucose solution The nano-fibrous structure of bacterial cellulose remains intact while carbonaceous spheres with nanometre sizes were generated from glucose during hydrothermal carbonization at 180 degrees C for 3 h The carbonaceous spheres formed in situ and anchored on the nanofibers' surface expanded the nanostructure of bacterial cellulose and the water-holding capacity decreased slightly from 98% to 93% Approximately 80% w/w of the dried carbonaceous pellicle was found to be nanometre sized carbonaceous spheres The size of carbonaceous spheres decreased significantly but had a 60% increase of surface carboxyl groups when the carbonaceous pellicle was prepared in the presence of acrylic acid The carbonaceous spheres in the never-dried pellicle demonstrate a high adsorption capacity towards heavy metal ions Approximately, 200 mg of Pb(11) and 1134 mg of Fe(III) can be adsorbed per gram of carbonaceous pellicle, respectively.
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