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Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants
Background: The dumping of untreated faecal sludge from non-sewered onsite sanitation facilities causes environmental pollution and exacerbates poor public health outcomes across developing nations. Long-term mechanisms to treat faecal sludge generated from these facilities are needed to resolve the...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
F1000 Research Limited
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10409984/ https://www.ncbi.nlm.nih.gov/pubmed/37564326 http://dx.doi.org/10.12688/gatesopenres.13727.2 |
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author | Nicholas, Hannah Larissa Mabbett, Ian Apsey, Henry Robertson, Iain |
author_facet | Nicholas, Hannah Larissa Mabbett, Ian Apsey, Henry Robertson, Iain |
author_sort | Nicholas, Hannah Larissa |
collection | PubMed |
description | Background: The dumping of untreated faecal sludge from non-sewered onsite sanitation facilities causes environmental pollution and exacerbates poor public health outcomes across developing nations. Long-term mechanisms to treat faecal sludge generated from these facilities are needed to resolve the global sanitation crisis and realize the Sustainable Development Goal (SDG) 6 “ensure availability and sustainable management of water and sanitation for all” by 2030. Pyrolysis of faecal sludge removes pathogens and generates biochar, which can be used as a soil enhancer. Methods: The properties of faecal sludge biochars from three full-scale treatment plants in India were determined via Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), energy dispersive x-ray (EDX) spectroscopy, crystal x-ray diffraction (XRD), proximate analyses, and BET surface area porosimetry. Results: Results showed that all three biochars had low specific surface area, high alkaline pH values, high ash content, and negative surface charge. Fourier transform infrared spectra showed the same surface functional groups present in each biochar. X-ray diffraction analysis showed the mineral composition of each biochar differed slightly. Scanning electron microscopy analysis indicated a porous structure of each biochar with ash particles evident. Conclusions: Slight differences in the ash content, surface area, pH and mineral content was observed between the three biochars. |
format | Online Article Text |
id | pubmed-10409984 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | F1000 Research Limited |
record_format | MEDLINE/PubMed |
spelling | pubmed-104099842023-08-10 Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants Nicholas, Hannah Larissa Mabbett, Ian Apsey, Henry Robertson, Iain Gates Open Res Research Article Background: The dumping of untreated faecal sludge from non-sewered onsite sanitation facilities causes environmental pollution and exacerbates poor public health outcomes across developing nations. Long-term mechanisms to treat faecal sludge generated from these facilities are needed to resolve the global sanitation crisis and realize the Sustainable Development Goal (SDG) 6 “ensure availability and sustainable management of water and sanitation for all” by 2030. Pyrolysis of faecal sludge removes pathogens and generates biochar, which can be used as a soil enhancer. Methods: The properties of faecal sludge biochars from three full-scale treatment plants in India were determined via Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), energy dispersive x-ray (EDX) spectroscopy, crystal x-ray diffraction (XRD), proximate analyses, and BET surface area porosimetry. Results: Results showed that all three biochars had low specific surface area, high alkaline pH values, high ash content, and negative surface charge. Fourier transform infrared spectra showed the same surface functional groups present in each biochar. X-ray diffraction analysis showed the mineral composition of each biochar differed slightly. Scanning electron microscopy analysis indicated a porous structure of each biochar with ash particles evident. Conclusions: Slight differences in the ash content, surface area, pH and mineral content was observed between the three biochars. F1000 Research Limited 2022-12-13 /pmc/articles/PMC10409984/ /pubmed/37564326 http://dx.doi.org/10.12688/gatesopenres.13727.2 Text en Copyright: © 2022 Nicholas HL et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Article Nicholas, Hannah Larissa Mabbett, Ian Apsey, Henry Robertson, Iain Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants |
title | Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants |
title_full | Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants |
title_fullStr | Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants |
title_full_unstemmed | Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants |
title_short | Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants |
title_sort | physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10409984/ https://www.ncbi.nlm.nih.gov/pubmed/37564326 http://dx.doi.org/10.12688/gatesopenres.13727.2 |
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