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The before-and-after study design (also known as the pre and post-test design) was carried out with objectives of (i) determining the potential reduction in greenhouse gas emissions associated with changing pig manure management systems from the use of slurry pits (baseline emissions) to...

The poor management of wastewater causes loss of environmental quality. Biomethanation, a biogas-producing technique, as an attractive solution to the problem, was investigated. Biogas, a greenhouse gas, is a mixture of methane and carbon dioxide. While carbon dioxide is returned into the...