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Improving the Sustainability of Dairy Slurry by A Commercial Additive Treatment

Author

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  • Federica Borgonovo

    (Department of Environmental Science and Policy (ESP), Università degli Studi di Milano, Via G. Celoria 10, 20133 Milan, Italy)

  • Cecilia Conti

    (Department of Environmental Science and Policy (ESP), Università degli Studi di Milano, Via G. Celoria 10, 20133 Milan, Italy)

  • Daniela Lovarelli

    (Department of Agricultural and Environmental Science (DISAA), Università degli Studi di Milano, Via G. Celoria 2, 20133 Milan, Italy)

  • Valentina Ferrante

    (Department of Environmental Science and Policy (ESP), Università degli Studi di Milano, Via G. Celoria 10, 20133 Milan, Italy)

  • Marcella Guarino

    (Department of Environmental Science and Policy (ESP), Università degli Studi di Milano, Via G. Celoria 10, 20133 Milan, Italy)

Abstract

Ammonia (NH 3 ), methane (CH 4 ), nitrous oxide (N 2 O), and carbon dioxide (CO 2 ) emissions from livestock farms contribute to negative environmental impacts such as acidification and climate change. A significant part of these emissions is produced from the decomposition of slurry in livestock facilities, during storage and treatment phases. This research aimed at evaluating the effectiveness of the additive “SOP LAGOON” (made of agricultural gypsum processed with proprietary technology) on (i) NH 3 and Greenhouse Gas (GHG) emissions, (ii) slurry properties and N loss. Moreover, the Life Cycle Assessment (LCA) method was applied to assess the potential environmental impact associated with stored slurry treated with the additive. Six barrels were filled with 65 L of cattle slurry, of which three were used as a control while the additive was used in the other three. The results indicated that the use of the additive led to a reduction of total nitrogen, nitrates, and GHG emissions. LCA confirmed the higher environmental sustainability of the scenario with the additive for some environmental impact categories among which climate change. In conclusion, the additive has beneficial effects on both emissions and the environment, and the nitrogen present in the treated slurry could partially displace a mineral fertilizer, which can be considered an environmental credit.

Suggested Citation

  • Federica Borgonovo & Cecilia Conti & Daniela Lovarelli & Valentina Ferrante & Marcella Guarino, 2019. "Improving the Sustainability of Dairy Slurry by A Commercial Additive Treatment," Sustainability, MDPI, vol. 11(18), pages 1-14, September.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:18:p:4998-:d:266777
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    References listed on IDEAS

    as
    1. Andi Febrisiantosa & Balasubramani Ravindran & Hong L. Choi, 2018. "The Effect of Co-Additives (Biochar and FGD Gypsum) on Ammonia Volatilization during the Composting of Livestock Waste," Sustainability, MDPI, vol. 10(3), pages 1-18, March.
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    Cited by:

    1. Carlyn B. Peterson & Hamed M. El Mashad & Yongjing Zhao & Yuee Pan & Frank M. Mitloehner, 2020. "Effects of SOP Lagoon Additive on Gaseous Emissions from Stored Liquid Dairy Manure," Sustainability, MDPI, vol. 12(4), pages 1-17, February.
    2. Elizabeth G. Ross & Carlyn B. Peterson & Angelica V. Carrazco & Samantha J. Werth & Yongjing Zhao & Yuee Pan & Edward J. DePeters & James G. Fadel & Marcello E. Chiodini & Lorenzo Poggianella & Frank , 2020. "Effect of SOP “STAR COW” on Enteric Gaseous Emissions and Dairy Cattle Performance," Sustainability, MDPI, vol. 12(24), pages 1-12, December.
    3. Cristina Sáez Blázquez & David Borge-Diez & Ignacio Martín Nieto & Miguel Ángel Maté-González & Arturo Farfán Martín & Diego González-Aguilera, 2022. "Geothermal Heat Pumps for Slurry Cooling and Farm Heating: Impact and Carbon Footprint Reduction in Pig Farms," Sustainability, MDPI, vol. 14(10), pages 1-17, May.
    4. Marcello Ermido Chiodini & Michele Costantini & Michele Zoli & Jacopo Bacenetti & Daniele Aspesi & Lorenzo Poggianella & Marco Acutis, 2023. "Real-Scale Study on Methane and Carbon Dioxide Emission Reduction from Dairy Liquid Manure with the Commercial Additive SOP LAGOON," Sustainability, MDPI, vol. 15(3), pages 1-13, January.

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