Dissolved organic matter characterization of biochars produced from different feedstock materials
- Authors
- Rajapaksha, Anushka Upamali; Ok, Yong Sik; El-Naggar, Ali; Kim, Hyojeon; Song, Fanhao; Kang, Seoktae; Tsang, Yiu Fai
- Issue Date
- 1-Mar-2019
- Publisher
- ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
- Keywords
- Biochar; PARAFAC; EEM spectra; Dissolved organic matter
- Citation
- JOURNAL OF ENVIRONMENTAL MANAGEMENT, v.233, pp.393 - 399
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ENVIRONMENTAL MANAGEMENT
- Volume
- 233
- Start Page
- 393
- End Page
- 399
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/67049
- DOI
- 10.1016/j.jenvman.2018.12.069
- ISSN
- 0301-4797
- 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.
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- Appears in
Collections - College of Life Sciences and Biotechnology > Division of Environmental Science and Ecological Engineering > 1. Journal Articles
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