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http://dx.doi.org/10.7844/kirr.2018.27.1.14

Resource Circulation Plan using Material Flow Analysis of Waste Metals of Cobalt and Palladium  

Lee, Hi Sun (Korea Environment Institute)
Lee, Jeongmin (Korea Environment Institute)
Yi, Sora (Korea Environment Institute)
Publication Information
Resources Recycling / v.27, no.1, 2018 , pp. 14-21 More about this Journal
Abstract
The rapid increase in the consumption of products that contain rare metals has highlighted the importance of recycling and recovering resources from these products when they enter the waste stream. Among various metal resources that can be recovered, this study analyzes the waste streams of cobalt and palladium to determine how their waste resource circulation can be improved at each stage of the waste stream. The findings of this study point to improvements and strategies that can be made at individual stages. First, at the discharge/import stage, the implementation of tariff quotas for specific recycled metal resources is suggested to allow the systemic categorization of waste metals as resources. At the collection/discarding stage, a major problem is the instability in the supply of scrap metals, which may be better managed by changing the bidding process for the scrap metals. At the pretreatment stage, possible areas for improvement are uncovered concerning technical areas, such as technological development and improving the efficiency of material recycling, as well as policy-wise, for instance, expanding the regulation for manufacturers to produce products that are designed to facilitate resource recovery, increasing incentive for closed recycling, and refining the guidelines and standards for recycling. At the resource recovery stage, as the waste metal recycling industry consists of businesses that vary in size, policies to promote cooperation and coexistence between large and smaller enterprises will benefit the industry in the long-run. Lastly, at the product production/export stage, a tariff on exporting waste resources that contain cobalt and palladium will help control the amount of waste metals that are shipped abroad.
Keywords
Cobalt; Palladium; Waste metal resource; Waste resources circulation flow; Resource circulation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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