Research Article
Sustainability Assessment of Chemical Processes: Evaluation of Three Synthesis Routes of DMC
Table 3
Process description for Route A.
| Process unit | Type | Conditions | Notes |
| Reac | Stoichiometric reactor | = 50°C, = 150 bar | Conversion of CH3OH = 8.3% | Sep | Component separator | Split fraction of CO2 = 100% | Separation of unreacted CO2 | Flash | Flash separator | = 97°C, = 3 bar | | Col 1 | RadFrac column | 15 stages, distillate rate = 1.421, reflux ratio = 5 | Separation of methanol | Col 2 | RadFrac column | 15 stages, distillate rate = 0.07, reflux ratio = 9 | Concentration of DMC after distillation = 85.5% | Cond | Cooler | = 20°C, = 1 bar | Cooling of DMC |
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