Mathematical programming model to optimise an environmentally constructed supply chain: a genetic algorithm approach
by Sejal Satish Dhage; Vaibhav S. Narwane; Rakesh D. Raut; Niraj Kishore Dere; Bhaskar B. Gardas; Balkrishna E. Narkhede
International Journal of Operational Research (IJOR), Vol. 44, No. 2, 2022

Abstract: The purpose of the study is to develop a network model for effective decision making from the sustainability aspect. The study proposes a mathematical programming model to optimise an environmentally constructed supply chain. The effect on the environment by components such as carbon monoxide, nitrogen dioxide and volatile organic particles formed during transportation in the supply chain has been considered. The multi-objective genetic algorithm optimises total cost and total environmental impact, which were subjected to constraints of demand, return, flow balance and capacity. The total cost consists of purchase cost, fixed cost, transportation cost, manufacturing cost, processing cost and inventory cost. Environmental impact of production, transportation, handling, lead reclamation, and plastic recycling process was considered. The model also uses life cycle assessment-based method for quantification of environmental impact and establishes Pareto optimal solutions for minimisation of economic as well as environmental impact. Results show a considerable reduction in closed-loop supply chain cost.

Online publication date: Mon, 20-Jun-2022

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