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Use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry
Due to the high global warming potential (GWP) in a short time scale (GWP100 = 28 vs. GWP20 = 86), mitigating CH(4) emissions could have an early impact on reducing current global warming effects. The manure storage tank emits a significant amount of CH(4), which can diminish the environmental benef...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Frontiers Media S.A.
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10229891/ https://www.ncbi.nlm.nih.gov/pubmed/37266025 http://dx.doi.org/10.3389/fmicb.2023.1180018 |
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author | Im, Seongwon Kang, Sungwon Jang, Duksoo Kim, Gyeongchul Kim, Dong-Hoon |
author_facet | Im, Seongwon Kang, Sungwon Jang, Duksoo Kim, Gyeongchul Kim, Dong-Hoon |
author_sort | Im, Seongwon |
collection | PubMed |
description | Due to the high global warming potential (GWP) in a short time scale (GWP100 = 28 vs. GWP20 = 86), mitigating CH(4) emissions could have an early impact on reducing current global warming effects. The manure storage tank emits a significant amount of CH(4), which can diminish the environmental benefit resulting from the anaerobic digestion of manure that can generate renewable energy. In the present study, we added the reverse osmosis concentrate (ROC) rich in salt to the pig slurry (PS) storage tank to reduce CH(4) emissions. Simultaneously, pure NaCl was tested at the same concentration to compare and verify the performance of ROC addition. During 40 days of storage, 1.83 kg CH(4)/ton PS was emitted, which was reduced by 7–75% by the addition of ROC at 1–9 g Na(+)/L. This decrease was found to be more intensive than that found upon adding pure sodium, which was caused by the presence of sulfate rich in ROC, resulting in synergistic inhibition. The results of the microbial community and activity test showed that sodium directly inhibited methanogenic activity rather than acidogenic activity. In the subsequent biogas production from the stored PS, more CH(4) was obtained by ROC addition due to the preservation of organic matter during storage. Overall, 51.2 kg CO(2) eq./ton PS was emitted during the storage, while 8 kg CO(2) eq./ton PS was reduced by biogas production in the case of control, resulting in a total of 43.2 kg CO(2) eq./ton PS. This amount of greenhouse gas emissions was reduced by ROC addition at 5 g Na(+)/L by 22 and 65 kg CO(2) eq./ton PS, considering GWP100 and GWP20 of CH(4), respectively, where most of the reduction was achieved during the storage process. To the best of our knowledge, this was the first report using salty waste to reduce GHG emissions in a proper place, e.g., a manure storage tank. |
format | Online Article Text |
id | pubmed-10229891 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | Frontiers Media S.A. |
record_format | MEDLINE/PubMed |
spelling | pubmed-102298912023-06-01 Use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry Im, Seongwon Kang, Sungwon Jang, Duksoo Kim, Gyeongchul Kim, Dong-Hoon Front Microbiol Microbiology Due to the high global warming potential (GWP) in a short time scale (GWP100 = 28 vs. GWP20 = 86), mitigating CH(4) emissions could have an early impact on reducing current global warming effects. The manure storage tank emits a significant amount of CH(4), which can diminish the environmental benefit resulting from the anaerobic digestion of manure that can generate renewable energy. In the present study, we added the reverse osmosis concentrate (ROC) rich in salt to the pig slurry (PS) storage tank to reduce CH(4) emissions. Simultaneously, pure NaCl was tested at the same concentration to compare and verify the performance of ROC addition. During 40 days of storage, 1.83 kg CH(4)/ton PS was emitted, which was reduced by 7–75% by the addition of ROC at 1–9 g Na(+)/L. This decrease was found to be more intensive than that found upon adding pure sodium, which was caused by the presence of sulfate rich in ROC, resulting in synergistic inhibition. The results of the microbial community and activity test showed that sodium directly inhibited methanogenic activity rather than acidogenic activity. In the subsequent biogas production from the stored PS, more CH(4) was obtained by ROC addition due to the preservation of organic matter during storage. Overall, 51.2 kg CO(2) eq./ton PS was emitted during the storage, while 8 kg CO(2) eq./ton PS was reduced by biogas production in the case of control, resulting in a total of 43.2 kg CO(2) eq./ton PS. This amount of greenhouse gas emissions was reduced by ROC addition at 5 g Na(+)/L by 22 and 65 kg CO(2) eq./ton PS, considering GWP100 and GWP20 of CH(4), respectively, where most of the reduction was achieved during the storage process. To the best of our knowledge, this was the first report using salty waste to reduce GHG emissions in a proper place, e.g., a manure storage tank. Frontiers Media S.A. 2023-05-17 /pmc/articles/PMC10229891/ /pubmed/37266025 http://dx.doi.org/10.3389/fmicb.2023.1180018 Text en Copyright © 2023 Im, Kang, Jang, Kim and Kim. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. |
spellingShingle | Microbiology Im, Seongwon Kang, Sungwon Jang, Duksoo Kim, Gyeongchul Kim, Dong-Hoon Use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry |
title | Use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry |
title_full | Use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry |
title_fullStr | Use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry |
title_full_unstemmed | Use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry |
title_short | Use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry |
title_sort | use of reverse osmosis concentrate for mitigating greenhouse gas emissions from pig slurry |
topic | Microbiology |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10229891/ https://www.ncbi.nlm.nih.gov/pubmed/37266025 http://dx.doi.org/10.3389/fmicb.2023.1180018 |
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