Table 1. Uncertain Model Parameters, Uncertainty Sources, and Ranges in Flowsheet Simulation of [BMIM][BF4] Productiona.
Type | Parameter | Range | Units |
---|---|---|---|
Operating condition | ΔPRb | 10 ± 50% | kPa |
ΔPWb | 10 ± 50% | kPa | |
TVFc | 80 ± 20% | °C | |
PVFb | 10 ± 50% | kPa | |
PURb | 0.1 ± 50% | - | |
Thermophysical property | ρ[BMIM][BF4]d | 1208 ± 19% | kg m–3 |
ρ[BMIM][Cl]d | 1080 ± 19% | kg m–3 | |
ΔHf[BMIM][BF4]e | –6.50 ± 1.59 × 105 | kJ kmol–1 | |
ΔHf[BMIM][Cl]e | –2.37 ± 1.59 × 105 | kJ kmol–1 |
Each uncertain parameter is assumed to follow a triangular distribution.
Estimate based on heuristics.
Mean value based on an optimized base case.
Estimate based on the group contribution methods developed by Valderrama and Rojas55 with maximum standard deviation of 19%.
Estimate based on the lattice energy and computational chemistry methods proposed by Gao et al.59 with maximum deviation of −159 kJ mol–1.