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http://dx.doi.org/10.17137/korrae.2016.24.4.11

Economic Evaluation for Recycling of Organic Waste  

Yoo, Hye-Young (Resource Recirculation Research Division, National Institute of Environmental Research)
Chung, David (Resource Recirculation Research Division, National Institute of Environmental Research)
Yoon, Cheol-Woo (Resource Recirculation Research Division, National Institute of Environmental Research)
Kang, Joon-Gu (Waste-to-Energy Research Division, National Institute of Environmental Research)
Park, Ki-Hak (ECO P&G)
Kim, Ki-Heon (Resource Recirculation Research Division, National Institute of Environmental Research)
Shin, Sun-Kyoung (Resource Recirculation Research Division, National Institute of Environmental Research)
Publication Information
Journal of the Korea Organic Resources Recycling Association / v.24, no.4, 2016 , pp. 11-20 More about this Journal
Abstract
Depletion of natural resources and reduction of greenhouse gas emissions are an important issue which we have to solve. The recycling of waste has emerged as a global concern. In Korea, the development of cost-effective treatment and recycling technologies also need to be improved. In this study, we compared and analyzed the cost per unit of treatment and recycling of organic waste, and presented an effective recycling scheme. We investigated the current status of treatment and costs for six types of organic wastes from 80 workplaces, including organic wastewater treatment sludge, processed organic sludge, and plant residues. In addition, environmental costs for greenhouse gas reduction were calculated. It's an economic way that organic waste is composted and used as cement additives. In particular, the economic analysis was done by realistic results of the survey target companies. In conclusion, in order for reliable processing and recycling of organic wastes, wastewater treatment sludge and sewage sludge need to be classified based on hazard characteristics. Finally, technical difficulties need to be further resolved such as odors, leachate, and debris on recycling organic wastes.
Keywords
Organic waste; Recycling; Cost per unit; Environmental cost;
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