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- Title
Maximizing Propylene Separation from Propane by Extractive Distillation with Aqueous N‐Methyl‐2‐pyrrolidone as Separating Agent.
- Authors
Cruz Valdez, Jesús Alonso; Avilés Martínez, Adriana; Vallejo Montesinos, Javier; Pérez, Elías; Patiño-Herrera, Rosalba
- Abstract
The separation of polymer‐grade propylene from a propylene‐propane mixture was performed by an extractive distillation (ED) process in the steady state, and was developed on the Aspen Plus V9 simulator, by using an extractive column and a recovery column. To increase the volatility and relative selectivity of propylene, aqueous N‐methyl‐2‐pyrrolidone (NMP) was used as extracting agent. By using an ED process and aqueous NMP, compared with the high‐pressure binary distillation process, a reduction in energy consumption was obtained, with a saving of 52 % in total annual cost.
- Subjects
EXTRACTIVE distillation; PROPENE; PROPANE; ENERGY consumption; DISTILLATION
- Publication
Chemical Engineering & Technology, 2021, Vol 44, Issue 9, p1726
- ISSN
0930-7516
- Publication type
Article
- DOI
10.1002/ceat.202100203