Influence of Sargassum horneri Mitigating Odorous Gas Emissions from Swine Manure Storage Facilities

Lavanya Madhavaraj, Ho-Dong Lim, Kong-Min Kim, Dae-Hyuk Kim and Gui Hwan Han
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Lavanya Madhavaraj: Center for Industrialization of Agricultural and Livestock Microorganisms (CIALM), 241, Cheomdangwahag-ro, Jeongeup-si 56212, Korea
Ho-Dong Lim: Center for Industrialization of Agricultural and Livestock Microorganisms (CIALM), 241, Cheomdangwahag-ro, Jeongeup-si 56212, Korea
Kong-Min Kim: Center for Industrialization of Agricultural and Livestock Microorganisms (CIALM), 241, Cheomdangwahag-ro, Jeongeup-si 56212, Korea
Dae-Hyuk Kim: Department of Molecular Biology, Institute for Molecular Biology and Genetics, Jeonbuk National University, Jeonju 561–756, Korea
Gui Hwan Han: Center for Industrialization of Agricultural and Livestock Microorganisms (CIALM), 241, Cheomdangwahag-ro, Jeongeup-si 56212, Korea

Sustainability, 2020, vol. 12, issue 18, 1-14

Abstract: Manures from livestock industries and farmyards should be managed for land application. Currently, a deep pit or barn system is adopted by many swine farms for manure management, therefore releasing harmful gases and rising the total global emissions of GHGs. This research focuses on the effectiveness of the brown seaweed Sargassum horneri as a masking agent to mitigate odor-generating gaseous pollutants and reduce the emissions of volatile fatty acids (VFAs) from swine manure storage facilities. Using an optimized procedure, we compared the gaseous emissions from two manure storage barns, one containing swine manure masked with S. horneri and the other without masking as a control, over a 30-day period. The results showed that, compared to the control, seaweed masking significantly reduced the sulfide and VFA contents. Furthermore, reductions of 99.48% in H 2 S, 60 ± 5.21% in NH 3 and 74.28 ± 2.14% in gaseous amine emissions were observed within the experimental period. Intriguingly, seaweed masking had beneficial effects, decreasing the total odor content by 97.78 ± 3.15% and increasing the nutrient quality of the manure. S. horneri has great potential as a masking agent in swine manure management to control environmental pollution.

Keywords: S. horneri; manure additive; mitigation strategy; air quality improvement (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
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