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Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture

Larissa Nicholas, Keith Halfacree Orcid Logo, Ian Mabbett Orcid Logo

Sustainability, Volume: 14, Issue: 22, Start page: 15385

Swansea University Authors: Larissa Nicholas, Keith Halfacree Orcid Logo, Ian Mabbett Orcid Logo

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DOI (Published version): 10.3390/su142215385

Abstract

Full-scale pyrolysis of faecal sludge is a credible technology for the safe removal of pathogens and the concurrent creation of biochar, which has been shown to enhance crop productivity. Faecal sludge biochar has the potential to improve acidic, low nutrient soils and crop yield in developing natio...

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Published in: Sustainability
ISSN: 2071-1050
Published: MDPI AG 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa62114
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Faecal sludge biochar has the potential to improve acidic, low nutrient soils and crop yield in developing nations more at risk of climate change and food insecurity. Little research has been conducted into public acceptance of faecal sludge biochar as a soil enhancer in agriculture. In this study of the public in Swansea, Wales, an online survey examines their awareness of, and comfort levels of eating food grown using biosolids, wood biochar and faecal sludge biochar. Our findings show that males were almost twice as likely than females to have a positive perception of biosolids (OR 1.91, p value 0.004) and faecal sludge biochar (OR 2.02, p value 0.03). Those in the oldest age group (65+) were almost five times more likely to have a positive view of faecal sludge biochar than the youngest age group (OR 4.88, p value 0.001). Deployment of faecal sludge biochar must overcome a &#x201C;disgust effect&#x201D; related to its human faecal origins. 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spelling 2023-01-09T16:47:21.1375960 v2 62114 2022-12-05 Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture 1f94486c34f5b8272a65b750a3c7f9f2 Larissa Nicholas Larissa Nicholas true false 41fab8d4f5894e6afbe7195678e2b7e3 0000-0002-1529-609X Keith Halfacree Keith Halfacree true false 5363e29b6a34d3e72b5d31140c9b51f0 0000-0003-2959-1716 Ian Mabbett Ian Mabbett true false 2022-12-05 RECS Full-scale pyrolysis of faecal sludge is a credible technology for the safe removal of pathogens and the concurrent creation of biochar, which has been shown to enhance crop productivity. Faecal sludge biochar has the potential to improve acidic, low nutrient soils and crop yield in developing nations more at risk of climate change and food insecurity. Little research has been conducted into public acceptance of faecal sludge biochar as a soil enhancer in agriculture. In this study of the public in Swansea, Wales, an online survey examines their awareness of, and comfort levels of eating food grown using biosolids, wood biochar and faecal sludge biochar. Our findings show that males were almost twice as likely than females to have a positive perception of biosolids (OR 1.91, p value 0.004) and faecal sludge biochar (OR 2.02, p value 0.03). Those in the oldest age group (65+) were almost five times more likely to have a positive view of faecal sludge biochar than the youngest age group (OR 4.88, p value 0.001). Deployment of faecal sludge biochar must overcome a “disgust effect” related to its human faecal origins. This factor must be centrally taken into account when implementing management and policy decisions regarding the land application of biosolids and faecal sludge biochar. Journal Article Sustainability 14 22 15385 MDPI AG 2071-1050 biochar; faecal sludge; land application; public perception; biosolids; Wales 18 11 2022 2022-11-18 10.3390/su142215385 COLLEGE NANME Enterprise European Network COLLEGE CODE RECS Swansea University This work was supported, in whole or in part, by the Bill & Melinda Gates Foundation [OPP1149054], and under the grant conditions of the Foundation, a Creative Commons Attribution 4.0 Generic License has already been assigned to the Author Accepted Manuscript version that might arise from this submission. The work was also supported by Swansea University’s “SUNRISE” project funded through GCRF via EPSRC [EP/P032591/1]. 2023-01-09T16:47:21.1375960 2022-12-05T09:46:36.8497874 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Larissa Nicholas 1 Keith Halfacree 0000-0002-1529-609X 2 Ian Mabbett 0000-0003-2959-1716 3 62114__26011__3ae4dc6efc2547febbd4bbca48b07594.pdf 62114.pdf 2022-12-05T09:50:27.3542332 Output 2143246 application/pdf Version of Record true © 2022 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license true eng https://creativecommons.org/licenses/by/4.0/ 146 true 10.17632/xnzwzmhbfs.4
title Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture
spellingShingle Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture
Larissa Nicholas
Keith Halfacree
Ian Mabbett
title_short Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture
title_full Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture
title_fullStr Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture
title_full_unstemmed Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture
title_sort Public Perceptions of Faecal Sludge Biochar and Biosolids Use in Agriculture
author_id_str_mv 1f94486c34f5b8272a65b750a3c7f9f2
41fab8d4f5894e6afbe7195678e2b7e3
5363e29b6a34d3e72b5d31140c9b51f0
author_id_fullname_str_mv 1f94486c34f5b8272a65b750a3c7f9f2_***_Larissa Nicholas
41fab8d4f5894e6afbe7195678e2b7e3_***_Keith Halfacree
5363e29b6a34d3e72b5d31140c9b51f0_***_Ian Mabbett
author Larissa Nicholas
Keith Halfacree
Ian Mabbett
author2 Larissa Nicholas
Keith Halfacree
Ian Mabbett
format Journal article
container_title Sustainability
container_volume 14
container_issue 22
container_start_page 15385
publishDate 2022
institution Swansea University
issn 2071-1050
doi_str_mv 10.3390/su142215385
publisher MDPI AG
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
document_store_str 1
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description Full-scale pyrolysis of faecal sludge is a credible technology for the safe removal of pathogens and the concurrent creation of biochar, which has been shown to enhance crop productivity. Faecal sludge biochar has the potential to improve acidic, low nutrient soils and crop yield in developing nations more at risk of climate change and food insecurity. Little research has been conducted into public acceptance of faecal sludge biochar as a soil enhancer in agriculture. In this study of the public in Swansea, Wales, an online survey examines their awareness of, and comfort levels of eating food grown using biosolids, wood biochar and faecal sludge biochar. Our findings show that males were almost twice as likely than females to have a positive perception of biosolids (OR 1.91, p value 0.004) and faecal sludge biochar (OR 2.02, p value 0.03). Those in the oldest age group (65+) were almost five times more likely to have a positive view of faecal sludge biochar than the youngest age group (OR 4.88, p value 0.001). Deployment of faecal sludge biochar must overcome a “disgust effect” related to its human faecal origins. This factor must be centrally taken into account when implementing management and policy decisions regarding the land application of biosolids and faecal sludge biochar.
published_date 2022-11-18T04:21:29Z
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