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http://dx.doi.org/10.7844/kirr.2018.27.3.16

Evaluation of Recycling Resources in Discarded Information and Communication Technology Devices (Smartphones, Laptop computers)  

Park, Seungsoo (Department of Earth Resources and Environmental Engineering, Hanyang University)
Jung, Minuk (Department of Earth Resources and Environmental Engineering, Hanyang University)
Kim, Seongmin (Department of Earth Resources and Environmental Engineering, Hanyang University)
Han, Seongsoo (Department of Earth Resources and Environmental Engineering, Hanyang University)
Jung, Insang (Korea Electronics Recycling Cooperative)
Park, Jihwan (Korea Electronics Recycling Cooperative)
Park, Jaikoo (Department of Earth Resources and Environmental Engineering, Hanyang University)
Publication Information
Resources Recycling / v.27, no.3, 2018 , pp. 16-29 More about this Journal
Abstract
In this study, metal and nonmetal contents and their economic values in ICT devices such as smart phones and laptop computers were evaluated. The electronic devices made by LG and Samsung were disassembled into 5 parts, which are printed circuit board assembly, battery, display, case and other electronic components. Metal and nonmetal contents in these parts were analyzed, and their economic values were calculated via multiplying the materials' contents by metal price obtained from KOMIS or nonmetal exchange price acquired from Korean recycling markets. Finally, the materials' contents and values according to each electronic parts and electronic devices were calculated. The results showed that the value of the smartphones and laptop computers of LG are 4,449.6 KRW (28,506 KRW/kg) and 6,830.2 KRW (7,053 KRW/kg), and those of Samsung are 1,849.3 KRW (13,499 KRW/kg) and 6,667.5 KRW (4,831 KRW/kg), respectively. It was also found that most of the value was concentrated in batteries and printed circuit board assemblies. In addition, Co, Au and Cu were found to be the most valuable resources in the devices.
Keywords
ICT devices; Economic value evaluation; Smartphones; Laptop computers; PCBs; Batteries;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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