Closed-loop supply chain planning model of rare metals

Dongmin Son, Songi Kim, Hyungbin Park, Bong Ju Jeong

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Rare metals (RMs) are becoming increasingly important in high-tech industries associated with the Fourth Industrial Revolution, such as the electric vehicle (EV) and 3D printer industries. As the growth of these industries accelerates in the near future, manufacturers will also face greater RM supply risks. For this reason, many countries are putting considerable effort into securing the RM supply. For example, countries including Japan, Korea, and the USA have adopted two major policies: the stockpile system and Extended Producer Responsibility (EPR). Therefore, it is necessary for the manufacturers with RMs to establish a suitable supply chain plan that reflects this situation. In this study, the RM classification matrix is created based on the stockpile and recycling level in Korea. Accordingly, three different types of supply chain are designed in order to develop the closed-loop supply chain (CLSC) planning model of RM, and the CLSC planning models of RM are validated through experimental analysis. The results show that the stockpiling and the EPR recycling obligation increase the amount of recycled flow and reduce the total cost of the part manufacturing, which means that these two factors are significant for obtaining sustainability of the RMs' CLSC. In addition, the government needs to set an appropriate sharing cost for promoting the manufacturer's recycling. Also, from the manufacturer's perspective, it is better to increase the return rate by making a contract with the collectors to guarantee the collection of used products.

Original languageEnglish
Article number1061
JournalSustainability (Switzerland)
Volume10
Issue number4
DOIs
Publication statusPublished - 2018 Apr 3

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planning model
Supply chains
supply
Planning
metal
Metals
recycling
Recycling
Korea
industry
producer
3D printers
cost sharing
responsibility
electric vehicle
industrial revolution
printer
Industry
planning
Electric vehicles

All Science Journal Classification (ASJC) codes

  • Geography, Planning and Development
  • Renewable Energy, Sustainability and the Environment
  • Management, Monitoring, Policy and Law

Cite this

Son, Dongmin ; Kim, Songi ; Park, Hyungbin ; Jeong, Bong Ju. / Closed-loop supply chain planning model of rare metals. In: Sustainability (Switzerland). 2018 ; Vol. 10, No. 4.
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Closed-loop supply chain planning model of rare metals. / Son, Dongmin; Kim, Songi; Park, Hyungbin; Jeong, Bong Ju.

In: Sustainability (Switzerland), Vol. 10, No. 4, 1061, 03.04.2018.

Research output: Contribution to journalArticle

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