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Recycling 2016, 1(1), 122-135; doi:10.3390/recycling1010122

End-of-Life Strategies for Used Mobile Phones Using Material Flow Modeling

1
Graduate School of System Design and Management, Keio University, Yokohama 223-8526, Japan
2
Sustainable Engineering Group, Curtin University, Perth, WA 6845, Australia
3
Graduate School of Engineering and Resource Science, Akita University, Akita 010-8502, Japan
*
Author to whom correspondence should be addressed.
Received: 20 January 2016 / Accepted: 2 February 2016 / Published: 6 February 2016
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Abstract

In order to secure valuable materials and to establish better circular economy practice, new legislation to promote recycling of small-sized e-waste including used mobile phones started in April 2013, in Japan. In order to consider appropriate methods to reduce material usage in mobile phone production, an examination of appropriate strategies in handling used mobile phone products is warranted. This paper investigates an analysis of material flow model for used mobile phones. Then, by analyzing the model, it tries to find suitable strategies to reduce the material consumption associated with mobile phone production and consumption. Although material recycling is an important strategy in Japan, other waste management options exist. This research indicates which factors are keys in reducing material consumption and CO2 emission, and establishing resource efficient production. The study concludes that “domestic product reuse” and “official recycling networks” are equally good in reducing the consumption of virgin materials associated with mobile phone production. However, in doing so, it is necessary to establish a system in which consumers can properly return their used mobile phones for recycling. Such an end-of-life waste management system can reduce both waste and resource consumption and the environmental impacts associated with increasing mobile phone production. Further research investigating the value of increasing the product reuse rate and the collection return rate for mobile phones is also warranted. View Full-Text
Keywords: used mobile phone; end-of-life option; material recycling; product reuse; material consumption; CO2 emission; sensitivity analysis used mobile phone; end-of-life option; material recycling; product reuse; material consumption; CO2 emission; sensitivity analysis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Mishima, K.; Rosano, M.; Mishima, N.; Nishimura, H. End-of-Life Strategies for Used Mobile Phones Using Material Flow Modeling. Recycling 2016, 1, 122-135.

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