Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 37, Issue -, Pages 261-267Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2016.03.035
Keywords
Biochar; Heavy metal; Organic contaminant; Dye; Sorption
Funding
- Natural Science Fund of Jiangsu Province, PR China [BK20131268]
- NSF [CBET-1054405]
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [1054405] Funding Source: National Science Foundation
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Hickory biochars were obtained through slow pyrolysis under 350 degrees C, 450 degrees C, and 600 degrees C. Multiple characterization techniques were used to characterize the biochars and showed pyrolysis temperature affected their O/C ratios, surface areas, cation-exchange capacities, zeta potential, surface acidic groups. As the result, the biochars showed different adsorption ability to Pb(II) and methylene blue in aqueous solutions, which was due to the important roles of the physicochemical properties of the biochars in controlling the sorption processes. This work provided a comprehensive evaluation of biochars, and thus expanded on previous research on effects of pyrolysis temperature on biochar properties. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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