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Sustainability 2017, 9(3), 445; doi:10.3390/su9030445

Pilot-Scale Bio-Augmented Aerobic Composting of Excavated Foot-And-Mouth Disease Carcasses

1
Department of Civil and Environmental Engineering, College of Engineering, Yonsei University, Seoul 03722, Korea
2
Dasan Consultants R&D center, Seoul 05800, Korea
*
Author to whom correspondence should be addressed.
Academic Editors: Geonha Kim, Daniel C.W. Tsang, Zeng-Yei Hseu, Chaeyoung Lee, Meththika Vithanage and Yong Sik Ok
Received: 30 December 2016 / Revised: 4 March 2017 / Accepted: 13 March 2017 / Published: 17 March 2017
(This article belongs to the Special Issue Environmental Management of Post-Epidemic Mass Carcasses Burial Sites)
View Full-Text   |   Download PDF [2431 KB, uploaded 19 March 2017]   |  

Abstract

In the present work, we tested the validity of using novel, bio-augmented, aerobic composting with carcass-degrading microorganisms for the ex situ stabilization of carcasses at pilot scale with previously poorly decomposed carcasses excavated from a 3-year old burial site. The significantly decreased chemical oxygen demand (COD, 160,000 mg/kg to 40,000 mg/kg) and inorganic nitrogen species (total nitrogen, 5000 mg/kg to 2000 mg/kg) indicated effective bio-stabilization of carcasses by bio-augmented composting. The subsequent germination assays and the quantitative characterization of potentially pathogenic bacteria using NGS (next-generation sequencing) showed that the burial–composting sequential system with the carcass-degrading microorganisms and mechanical agitation successfully reduced plant toxicity as well as microbial risk to human health, suggesting that the composting by-product is suitable for farming or/and landfill use(s). View Full-Text
Keywords: bacterial pathogens; bio-augmented aerobic composting; carcass-degrading microorganisms; early stabilization; plant toxicity bacterial pathogens; bio-augmented aerobic composting; carcass-degrading microorganisms; early stabilization; plant toxicity
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MDPI and ACS Style

Kim, S.; Kwon, H.; Park, S.; Jeon, H.; Park, J.-K.; Park, J. Pilot-Scale Bio-Augmented Aerobic Composting of Excavated Foot-And-Mouth Disease Carcasses. Sustainability 2017, 9, 445.

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