Ann Oper Res https://doi.org/10.1007/s10479-018-2912-1 S.I.: OR IN TRANSPORTATION Mathematical modelling and heuristic approaches to the location-routing problem of a cost-effective integrated solid waste management 1 1 1,2 H. Aseﬁ · S. Lim · M. Maghrebi · S. Shahparvari © Springer Science+Business Media, LLC, part of Springer Nature 2018 Abstract Integrated solid waste management (ISWM) comprises activities and processes to collect, transport, treat, recycle and dispose municipal solid wastes. This paper addresses the ISWM location-routing problem in which different types of municipal solid wastes are factored concurrently into an integrated system with all interrelated facilities. To support a cost-effective ISWM system, the number of locations of the system’s components (i.e. transfer stations; recycling, treatment and disposal centres) and truck routing within the system’s components need to be optimized. A mixed-integer linear programming (MILP) model is presented to minimise the total cost of the ISWM system including transportation costs and facility establishment costs. To tackle the non-deterministic polynomial-time hardness of the problem, a stepwise heuristic method is proposed within the frames of two meta-heuristic approaches: (i) variable neighbourhood search (VNS) and (ii) a hybrid VNS and simulated annealing algorithm (VNS + SA). A real-life case study from an existing ISWM system
Annals of Operations Research – Springer Journals
Published: Jun 4, 2018
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