Life cycle assessment of antibiotic mycelial residues management in China

Wei Chen, Yong Geng, Jinglan Hong, Harn Wei Kua, Changqing Xu and Nan Yu

Renewable and Sustainable Energy Reviews, 2017, vol. 79, issue C, 830-838

Abstract: The increasing antibiotic mycelial residues (AMRs) have brought significant threats to our ecosystems and public health. Aiming to quantify pollutants generated from AMRs management, evaluate corresponding environmental impacts, and identify the key factors related with AMRs management, a life cycle assessment approach was employed on analyzing AMRs. In order to improve the accuracy of results, uncertainty analysis was also performed so that a holistic picture of environmental emissions generated from AMRs management is presented. Results show that human toxicity, terrestrial ecotoxicity, marine ecotoxicity, and fossil depletion are the major environmental impacts caused by AMRs management. Uncertainty analysis reveals that the gasification of AMRs is the best option among the four AMRs treatment scenarios due to its large energy recovery capacity, while incineration scenario has the worst environmental performance due to its large pollutants emissions and sodium hydrogen consumption. Results obtained from this study (e.g., environmental impacts, key factors, and potential improvement) could provide valuable insights to policymakers so that the overall environmental impacts from AMRs management can be mitigated.

Keywords: Life cycle assessment; Antibiotic mycelial residues; Environmental impacts; Energy recovery; Key factors (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1016/j.rser.2017.05.120

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