Quispe, JI Bautista;
Campos, LC;
Masek, O;
Bogush, A;
(2022)
Use of biochar-based column filtration systems for greywater treatment: A systematic literature review.
Journal of Water Process Engineering
, 48
, Article 102908. 10.1016/j.jwpe.2022.102908.
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Abstract
Biochar-based column filtration systems (BCFS) for greywater treatment have gained attention in the last decade. However, a review of the state-of-the-art on this subject has not been conducted, leaving the analysis and limitations of the available research still unexplored. This paper reviews the current literature to give insights into the technology and identify new areas of investigation. This study used a systematic review approach to evaluate the documentation relating to the technology's worldwide status, configuration, removal mechanisms, removal efficiency, and water reuse applications. In total, 28 studies were reported in 16 countries including India and Sweden as leading ones. Three filter column configurations were identified: single biochar filter, multilayer filter, and polishing step in the treatment chain. The pollutant removal efficiency of BCFS ranged between 50 and 99%. Treated greywater is reused mainly for non-potable purposes such as toilet flushing, cloth washing, and crop irrigation. Overall, this technology can be a feasible and sustainable alternative for greywater treatment and application in water-scarce regions. However, further research is needed on social perception toward potable water reuse, new feedstocks for biochar production, the scaling-up and long-term assessment, evaluation of additional water microbial indicators, and the modification of biochar to target specific water reuse purposes.
| Type: | Article |
|---|---|
| Title: | Use of biochar-based column filtration systems for greywater treatment: A systematic literature review |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1016/j.jwpe.2022.102908 |
| Publisher version: | https://doi.org/10.1016/j.jwpe.2022.102908 |
| Language: | English |
| Additional information: | © 2022 The Authors. Published by Elsevier Ltd. under a Creative Commons license (https://creativecommons.org/licenses/by/4.0/). |
| Keywords: | Biochar, Column filtration system, Greywater, Water reuse, Water-scarce regions |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10152490 |
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