Real-Scale Study on Methane and Carbon Dioxide Emission Reduction from Dairy Liquid Manure with the Commercial Additive SOP LAGOON

Marcello Ermido Chiodini (), Michele Costantini, Michele Zoli, Jacopo Bacenetti, Daniele Aspesi, Lorenzo Poggianella and Marco Acutis
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Marcello Ermido Chiodini: Department of Agricultural and Environmental Sciences, University of Milan, Via Celoria 2, 20133 Milano, MI, Italy
Michele Costantini: Department of Environmental Science and Policy, University of Milan, Via Celoria 2, 20133 Milano, MI, Italy
Michele Zoli: Department of Environmental Science and Policy, University of Milan, Via Celoria 2, 20133 Milano, MI, Italy
Jacopo Bacenetti: Department of Environmental Science and Policy, University of Milan, Via Celoria 2, 20133 Milano, MI, Italy
Daniele Aspesi: SOP Srl Società Benefit, Via Parco Alto Milanese, 1, 21052 Busto Arsizio, VA, Italy
Lorenzo Poggianella: Department of Land, Air and Water Resources, University of California Davis, Davis, CA 95616-8521, USA
Marco Acutis: Department of Agricultural and Environmental Sciences, University of Milan, Via Celoria 2, 20133 Milano, MI, Italy

Sustainability, 2023, vol. 15, issue 3, 1-13

Abstract: Reducing methane (CH 4 ) is a key objective to address climate change quickly. Manure management and storage play a significant role. In this context, a real-scale trial was performed to measure the ability of the commercial additive SOP LAGOON to reduce carbon-based greenhouse gas (GHG) emissions from liquid manure over approximately 4 months. Gas emissions were measured at a commercial dairy farm from two slurry tanks, one treated with the abovementioned product (SL) and the other used as the untreated control (UNT). After 3 and 4 months from the first additive applications, the SL storage tank showed lower and statistically significantly different emissions concerning the UNT (up to −80% for CH 4 and −75% for CO 2 , p < 0.001), confirming and showing improved results from those reported in the previous small-scale works. The pH of the UNT tank was lower than that of the SL on two dates, while the other chemical characteristics of the slurry were not affected. In this work, SOP LAGOON proved to be an effective additive to help the farmers mitigate the contribution of stored liquid manure to global CH 4 emissions, potentially improving the overall sustainability of the dairy industry.

Keywords: methane; CO 2; climate change; manure; slurry; dairy; sustainability; mitigation; emissions (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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