Multiobjective Optimization Model for Sustainable Waste Management Network Design

Table 6

Results of multiobjective optimization.

		Bi-objective			Tri-objective
		Minimizing Cost and Avg. Land Use Stress	Minimizing Cost and Public Health Impact	Minimizing Avg. Land Use Stress and Public Health	Minimizing Cost, Avg. Land Use Stress, and Public Health
Total Cost (USD)	Total transportation cost	13,123,748	12,309,316	12,128,780	10,313,519
	Total land cost	6,692,561	10,973,973	12,124,521	10,511,253
	Total construction cost	22,465,381	21,349,224	23,941,083	22,864,008
	Total operation cost	17,448,975	16,729,273	19,823,509	17,268,910
	Total cost	59,730,664	61,361,787	68,017,894	60,957,690
	Satisfaction Level	63%	56%	28%	58%
Land Use Impact	Avg. Land-use Stress	0.159	0.857	0.242	0.466
	Satisfaction Level	86%	13%	78%	54%
Public Health Impact (DALY)	Transportation	24,483	17,704	8,997	8,384
	Waste Facilities	31,117	5,050	4,018	1,342
	Total Public Health Impact	55,600	22,754	13,015	9,726
	Satisfaction Level	5%	69%	89%	95%
Average Satisfaction Level		51%	46%	65%	69%
Computational Time (Sec.)		37	35	33	82