The Scientific World Journal / 2014 / Article / Tab 9

Research Article

Closed-Loop Supply Chain Models with Considering the Environmental Impact

Table 9

Results for three cases.

Basic modelEmission cost minimizationEmission-constraint model
Selective pathAmount of product flowAmount of CO2 (kg)Selective pathAmount of product flowAmount of CO2 (kg)Selective pathAmount of product flowAmount of CO2 (kg)

3-3: 10426.463-3: 10426.463-3: 10426.46
3-5: 44245.713-3: 30180.423-3: 28168.39
3-7: 60118.563-6: 26175.93-5: 52290.39
5-3: 40125.433-7: 4894.853-7: 2447.42
3-6: 35225.523-5: 2578.43-2: 2360.76
7-4: 54365.356-4: 13.471.955-4: 48195.88
4-2: 44.4123.977-2: 42243.564-1: 38.496.49
2-1: 31.839.612-1: 29.436.627-6: 18107.86
6-3: 22.4151.555-3: 21117.272-3: 10.499.85
1-3: 13.858.694-3: 3.830.851-3: 20.486.76
3-1: 36.2120.511-3: 11.448.486-3: 5.436.53
1-3: 25.3417.623-1: 36.2120.513-1: 36.2120.51
1-3: 25.3417.621-3: 25.3417.62

Landfill10.86Landfill10.86Landfill10.86

ObjectiveObjectiveObjective

230023.6233765.9231159