Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plants Article Swipe
Hannah Larissa Nicholas
,
Ian Mabbett
,
Henry Apsey
,
Iain Robertson
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.12688/gatesopenres.13727.1
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.12688/gatesopenres.13727.1
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.
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Concepts
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.12688/gatesopenres.13727.1
- OA Status
- gold
- Cited By
- 10
- References
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All OpenAlex metadata
Raw OpenAlex JSON
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https://openalex.org/W4289779288Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.12688/gatesopenres.13727.1Digital Object Identifier
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Physico-chemical properties of waste derived biochar from community scale faecal sludge treatment plantsWork title
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preprintOpenAlex work type
- Language
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enPrimary language
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2022Year of publication
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2022-08-04Full publication date if available
- Authors
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Hannah Larissa Nicholas, Ian Mabbett, Henry Apsey, Iain RobertsonList of authors in order
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https://doi.org/10.12688/gatesopenres.13727.1Publisher landing page
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://doi.org/10.12688/gatesopenres.13727.1Direct OA link when available
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Biochar, Scanning electron microscope, Fourier transform infrared spectroscopy, Materials science, Environmental chemistry, Pyrolysis, Waste management, Chemistry, Chemical engineering, Composite material, EngineeringTop concepts (fields/topics) attached by OpenAlex
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10Total citation count in OpenAlex
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2025: 1, 2024: 2, 2023: 7Per-year citation counts (last 5 years)
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100Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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