Table 12. Design and Separation Specifications and Key Process Indicators of Four Selected ILs Preselected by Kulajanpeng et al.284 for Separating Ethanol from Water.
IL | [emim][DMP] | [emim][DCN] | [emim][EtSO4] | [emim][MeCOO] |
---|---|---|---|---|
EDC | ||||
N | 30 | |||
NIL | 2 | 2 | 2 | 2 |
Nfeed | 23 | 22 | 23 | 23 |
IL purity(mol %) | >99.8 | |||
IL (kmol/h) | 53.48 | 120.00 | 85.00 | 108.70 |
P (bar) | 1 | |||
RR | 0.65 | 0.62 | 0.85 | 0.99 |
Treboiler (°C) | 170 | 170 | 175 | 152 |
Reboiler duty (kW) | 3,160 | 3,300 | 3,440 | 3,620 |
Flash | ||||
P (bar) | 10 | 10 | 10 | – |
T (°C) | 182 | 200 | 251 | – |
Duty (kW) | 470 | 620 | 750 | – |
Stripper | ||||
N | 15 | 10 | 10 | – |
Nfeed | 1 | 1 | 1 | – |
P (bar) | 1 | 1 | 1 | – |
Tbottom (°C) | 78 | 78 | 78 | – |
Air (kg/h) | 2,643 | 8,071 | 3,798 | – |
Overall heat duty (kW) | 3,640 | 3,920 | 4,200 | – |