Multiobjective Optimization of Sustainable WCO for Biodiesel Supply Chain Network Design

Table 6

Other parameters.

Other parameters	Parameter value
Conversion factor of kitchen waste to waste cooking oil is the separation rate of oil and water	6.32%
Conversion factor of waste cooking oil to biodiesel	85% [41]
Preprocessing facility preprocessing unit kitchen waste cost	15 yuan/ton [42]
Cost per unit of waste cooking oil treated by a refinery	1100 yuan/ton [43]
Cost of storing kitchen waste per unit	50 yuan/ton
Cost of storing a unit of waste cooking oil	80 yuan/ton
Cost of storing a unit of biodiesel	125 yuan/ton
Distance transportation cost of unit kitchen waste	0.20 yuan/ton/km [44]
Distance transportation cost per unit of waste oil	0.25 yuan/ton/km [44]
Distance transport cost per unit of biodiesel	0.35 yuan/ton/km [44]
Rate of greenhouse gas emissions from kitchen waste collection	5.6 kgCO2eqv./ton
Carbon emission of unit kitchen waste pretreatment	12.6 kgCO2eqv./ton [45]
Carbon emission of waste oil from processing unit	1465 kgCO2eqv./ton [46]
Carbon emissions from transportation	0.1215 kgCO2eqv./ton [46]