Skip to main content

Advertisement

Table 5 Summary of the sensitivity analysis using five different cases

From: Preliminary integrated economic and environmental analysis of polyhydroxyalkanoates (PHAs) biosynthesis

Carbon source Soybean oil WCO Refined glycerol Crude glycerol
a. Case 1
 Cost (USD$/kg PHA) 1.631 1.180 0.484 0.402
 PEI (kg PHA−1) 1.568 4.657 1.130 1.560
 EB (kg PHA−1) 1.568 −4.275 −1.062 −1.466
 Cost λ o 0 0.367 0.933 1
 PEI λ o 0.876 0 1 0.878
 EB λ o 0 1 0.450 0.519
 (Cost + PEI) λ 0 0 0.933 0.878
 (Cost + EB) λ 0 0.367 0.450 0.519
b. Case 2
 Cost (USD$/kg PHA) 1.631 1.180 0.440 0.362
 PEI (kg PHA−1) 1.568 4.657 1.027 1.560
 EB (kg PHA−1) 1.568 −4.275 −0.966 −1.466
 Cost λ o 0 0.367 0.969 1
 PEI λ o 0.851 0 1 0.853
 EB λ o 0 1 0.434 0.519
 (Cost + PEI) λ 0 0 0.969 0.853
 (Cost + EB) λ 0 0.367 0.434 0.519
c. Case 3
 Cost (USD$/kg PHA) 1.631 1.180 0.484 0.386
 PEI (kg PHA−1) 1.568 4.657 1.130 1.404
 EB (kg PHA−1) 1.568 −4.275 −1.062 −1.32
 Cost λ o 0 0.367 0.921 1
 PEI λ o 0.876 0 1 0.922
 EB λ o 0 1 0.450 0.494
 (Cost + PEI) λ 0 0 0.921 0.922
 (Cost + EB) λ 0 0.367 0.450 0.494
d. Case 4
 Cost (USD$/kg PHA) 1.631 1.180 0.446 0.362
 PEI (kg PHA−1) 1.568 4.657 1.130 1.404
 EB (kg PHA−1) 1.568 −4.275 −1.062 −1.320
 Cost λ o 0 0.355 0.934 1
 PEI λ o 0.876 0 1 0.922
 EB λ o 0 1 0.450 0.494
 (Cost + PEI) λ 0 0 0.934 0.922
 (Cost + EB) λ 0 0.355 0.450 0.494