Abstract
Fluorescence excitation-emission matrix (EEM) spectroscopy coupled with parallel factor analysis (PARAFAC) enables better understanding of the nature of dissolved organic matter (DOM). In the current study, we characterized 10 biochar samples produced from different feedstocks using EEM/PARAFAC analysis. The composition and distribution of DOM substances present in biochar varied significantly according to feedstock, activation, and pyrolysis temperature. The integration of proximate and ultimate analyses of the solid phase together with water extractable organic matter (WEOM) phase of biochar provided new insights into the characterization of biochars, including nature and functionality. Characterization of both WEOM and solid phases is recommended for biochar research before large-scale production for various environmental and industrial applications. Copyright © 2018 Elsevier Ltd. All rights reserved.
| Original language | English |
|---|---|
| Pages (from-to) | 393-399 |
| Journal | Journal of Environmental Management |
| Volume | 233 |
| Early online date | 24 Dec 2018 |
| DOIs | |
| Publication status | Published - 01 Mar 2019 |
Citation
Rajapaksha, A. U., Ok, Y. S., El-Naggar, A., Kim, H., Song, F., Kang, S., & Tsang, Y. F. (2019). Dissolved organic matter characterization of biochars produced from different feedstock materials. Journal of Environmental Management, 233, 393-399. doi: 10.1016/j.jenvman.2018.12.069Keywords
- Biochar
- PARAFAC
- EEM spectra
- Dissolved organic matter