Evaluation of the Sustainability of a Prototype for Atmospheric Ammonia Capture from Swine Farms Using Gas-Permeable Membrane Technology

Author:

Murcia-Velasco Diana A.1,Correa-Guimaraes Adriana1ORCID,Chico-Santamarta Leticia2,Fernández-Coppel Ignacio Alonso3ORCID,Gómez Ernesto4,Sánchez-Bascones Mercedes4ORCID,Navas-Gracia Luis Manuel1ORCID

Affiliation:

1. TADRUS Research Group, Department of Agricultural and Forestry Engineering, University of Valladolid, 34004 Palencia, Spain

2. International Department, Harper Adams University, Newport TF10 8NB, UK

3. Engineering of Manufacturing Processes Group, School of Industrial Engineering, University of Valladolid, 47002 Valladolid, Spain

4. TADRUS Research Group, Department of Agroforestry Sciences, University of Valladolid, 34004 Palencia, Spain

Abstract

Ammonia (NH3) emissions from animal wastes are directly related to serious environmental problems and can be reduced by using gas-permeable membranes (GPMs) in animal housings, but not many studies have been conducted on the environmental impact of the entire system. Thus, the aim of this work was to analyze the environmental impacts caused by the implementation of GPM technology in a 920-animal swine farm with a closed cycle (i.e., birth, breeding, transition, and fattening take place on the same site), using life-cycle analysis (LCA). Two scenarios were studied: a reference scenario in which there was no NH3 reduction from the air captured in the sheds and a treatment scenario that used the GPM technology. The LCA results were evaluated by using the ReCiPe 2016 Midpoint (H) V1.04 method, showing that using the GPM technology had beneficial environmental impacts. Terrestrial acidification (TA) showed a reduction of 14.68 kg SO2 eq compared with the reference scenario, whilst human carcinogenic toxicity (HCT), human non-carcinogenic toxicity (HnCT), and land use (LU) showed reductions of 1.52 kg 1,4-DCB, 66.26 kg 1,4-DCB, and 44.55 m2a crop eq, respectively.

Funder

European Union

Publisher

MDPI AG

Subject

Agronomy and Crop Science

Reference41 articles.

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4. Novel slurry additive reduces gaseous emissions during storage thereby improving renewable energy and fertiliser potential;Thorn;J. Clean. Prod.,2022

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