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AuthorXu, Zhitao
AuthorElomri, Adel
AuthorPokharel, Shaligram
AuthorZhang, Qin
AuthorMing, X.G.
AuthorLiu, Wenjie
Available date2020-09-20T08:35:37Z
Publication Date2017
Publication NameWaste Management
AbstractThe emergence of concerns over environmental protection, resource conservation as well as the development of logistics operations and manufacturing technology has led several countries to implement formal collection and recycling systems of solid waste. Such recycling system has the benefits of reducing environmental pollution, boosting the economy by creating new jobs, and generating income from trading the recyclable materials. This leads to the formation of a global reverse supply chain (GRSC) of solid waste. In this paper, we investigate the design of such a GRSC with a special emphasis on three aspects; (1) uncertainty of waste collection levels, (2) associated carbon emissions, and (3) challenges posed by the supply chain's global aspect, particularly the maritime transportation costs and currency exchange rates. To the best of our knowledge, this paper is the first attempt to integrate the three above-mentioned important aspects in the design of a GRSC. We have used mixed integer-linear programming method along with robust optimization to develop the model which is validated using a sample case study of e-waste management. Our results show that using a robust model by taking the complex interactions characterizing global reverse supply chain networks into account, we can create a better GRSC. The effect of uncertainties and carbon constraints on decisions to reduce costs and emissions are also shown.
SponsorThis research was made possible by a NPRP award NPRP No. 5-1284-5-198 from the Qatar National Research Fund (a member of The Qatar Foundation). The statements made herein are solely the responsibility of the authors. The partial contribution by Zhitao Xu, and contributions by Qin Zhang, X.G. Ming, and Wenjie Liu in this paper was possible due the funding provided to these authors by an award of No. 90YAH16087 from the Fundamental Research Funds for the Central Universities of China, the National Science Foundation of China (71273130) and the National Natural Science Fund of China (71273131). We would also like to thank our anonymous reviewers who provided comments to upgrade the analysis and resulting quality of this paper.
PublisherElsevier Ltd
SubjectCarbon emission
SubjectGlobal supply chain
SubjectReverse supply chain
SubjectSolid waste recycling
TitleGlobal reverse supply chain design for solid waste recycling under uncertainties and carbon emission constraint
Volume Number64

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