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Drying dairy manure using a passive solar still: A case study

Larissa Nicholas, Ian Mabbett Orcid Logo

Energy Nexus, Volume: 10, Start page: 100183

Swansea University Authors: Larissa Nicholas, Ian Mabbett Orcid Logo

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DOI (Published version): 10.1016/j.nexus.2023.100183

Abstract

The pyrolysis of wet biomass such as faecal sludge and cow manure requires an extra drying step to reduce the moisture content before pyrolysis can occur. Open-air solar drying is a technique routinely used to dry faecal sludge and dairy manure. In this method water held within the biomass is lost t...

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Published in: Energy Nexus
ISSN: 2772-4271
Published: Elsevier BV 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62980
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first_indexed 2023-03-20T09:19:29Z
last_indexed 2023-04-14T03:23:40Z
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spelling v2 62980 2023-03-20 Drying dairy manure using a passive solar still: A case study 1f94486c34f5b8272a65b750a3c7f9f2 Larissa Nicholas Larissa Nicholas true false 5363e29b6a34d3e72b5d31140c9b51f0 0000-0003-2959-1716 Ian Mabbett Ian Mabbett true false 2023-03-20 RECS The pyrolysis of wet biomass such as faecal sludge and cow manure requires an extra drying step to reduce the moisture content before pyrolysis can occur. Open-air solar drying is a technique routinely used to dry faecal sludge and dairy manure. In this method water held within the biomass is lost to the atmosphere. A simple solar still was constructed in order to both dry cow manure and to capture water as part of the drying process. Measurements included solar radiation, cover temperature and internal solar still temperature and chemical analysis of the distillate. The maximum internal temperature of the solar still was recorded at 52.9 °C and the minimum recorded at 10.1 °C. The key objectives were to investigate the use of solar still technology in drying cow manure and determine the chemical properties of the distillate with a view to its re-use as irrigation water. The moisture content of the cow manure was reduced by 13%, however, the pathogen content of the resultant distillate contained 8,010 Escherichia Coli per 100 ml. Journal Article Energy Nexus 10 100183 Elsevier BV 2772-4271 Dewatering, Solar still, Dairy manure, Drying, Sludge, Irrigation water 1 6 2023 2023-06-01 10.1016/j.nexus.2023.100183 http://dx.doi.org/10.1016/j.nexus.2023.100183 COLLEGE NANME Enterprise European Network COLLEGE CODE RECS Swansea University Bill & Melinda Gates Foundation, EPSRC OPP1149054, EP/P032591/1 2023-04-25T13:41:35.5623177 2023-03-20T09:12:10.4309467 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Larissa Nicholas 1 Ian Mabbett 0000-0003-2959-1716 2 62980__26894__dc0e48bd6e5041f2b13e2d7b9551b974.pdf 62980.pdf 2023-03-20T09:18:33.7296136 Output 1669689 application/pdf Version of Record true This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/) true eng http://creativecommons.org/licenses/by/4.0/
title Drying dairy manure using a passive solar still: A case study
spellingShingle Drying dairy manure using a passive solar still: A case study
Larissa Nicholas
Ian Mabbett
title_short Drying dairy manure using a passive solar still: A case study
title_full Drying dairy manure using a passive solar still: A case study
title_fullStr Drying dairy manure using a passive solar still: A case study
title_full_unstemmed Drying dairy manure using a passive solar still: A case study
title_sort Drying dairy manure using a passive solar still: A case study
author_id_str_mv 1f94486c34f5b8272a65b750a3c7f9f2
5363e29b6a34d3e72b5d31140c9b51f0
author_id_fullname_str_mv 1f94486c34f5b8272a65b750a3c7f9f2_***_Larissa Nicholas
5363e29b6a34d3e72b5d31140c9b51f0_***_Ian Mabbett
author Larissa Nicholas
Ian Mabbett
author2 Larissa Nicholas
Ian Mabbett
format Journal article
container_title Energy Nexus
container_volume 10
container_start_page 100183
publishDate 2023
institution Swansea University
issn 2772-4271
doi_str_mv 10.1016/j.nexus.2023.100183
publisher Elsevier BV
college_str Faculty of Science and Engineering
hierarchytype
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
url http://dx.doi.org/10.1016/j.nexus.2023.100183
document_store_str 1
active_str 0
description The pyrolysis of wet biomass such as faecal sludge and cow manure requires an extra drying step to reduce the moisture content before pyrolysis can occur. Open-air solar drying is a technique routinely used to dry faecal sludge and dairy manure. In this method water held within the biomass is lost to the atmosphere. A simple solar still was constructed in order to both dry cow manure and to capture water as part of the drying process. Measurements included solar radiation, cover temperature and internal solar still temperature and chemical analysis of the distillate. The maximum internal temperature of the solar still was recorded at 52.9 °C and the minimum recorded at 10.1 °C. The key objectives were to investigate the use of solar still technology in drying cow manure and determine the chemical properties of the distillate with a view to its re-use as irrigation water. The moisture content of the cow manure was reduced by 13%, however, the pathogen content of the resultant distillate contained 8,010 Escherichia Coli per 100 ml.
published_date 2023-06-01T13:41:34Z
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