Volume 44, Issue 9 pp. 1726-1736
Research Article

Maximizing Propylene Separation from Propane by Extractive Distillation with Aqueous N-Methyl-2-pyrrolidone as Separating Agent

Jesús Alonso Cruz Valdez

Jesús Alonso Cruz Valdez

Instituto Tecnológico de Celaya/Tecnológico Nacional de México, Departamento de Ingeniería Química, Antonio García Cubas Pte #600 esq. Av. Tecnológico, 38010 Celaya, Guanajuato, Mexico

Search for more papers by this author
Adriana Avilés Martínez

Adriana Avilés Martínez

Universidad Michoacana de San Nicolás de Hidalgo, Santiago Tapia 403, Centro, 58000 Morelia, Mich, Mexico

Search for more papers by this author
Javier Vallejo Montesinos

Javier Vallejo Montesinos

Universidad de Guanajuato, Departamento de Química, 36050 Noria Alta s/n, Guanajuato, Gto., Mexico

Search for more papers by this author
Elías Pérez

Corresponding Author

Elías Pérez

UASLP, Instituto de Física, Álvaro Obregón 64, 78000 SLP, San Luis Potosí, Mexico

Correspondence: Elías Pérez ([email protected]), Instituto de Física, UASLP, Álvaro Obregón 64, San Luis Potosí, SLP, 78000, Mexico; Rosalba Patiño-Herrera ([email protected]), Departamento de Ingeniería Química, Instituto Tecnológico de Celaya/Tecnológico Nacional de México, Antonio García Cubas Pte #600 esq. Av. Tecnológico, Celaya, Guanajuato 38010, Mexico.Search for more papers by this author
Rosalba Patiño-Herrera

Corresponding Author

Rosalba Patiño-Herrera

Instituto Tecnológico de Celaya/Tecnológico Nacional de México, Departamento de Ingeniería Química, Antonio García Cubas Pte #600 esq. Av. Tecnológico, 38010 Celaya, Guanajuato, Mexico

Correspondence: Elías Pérez ([email protected]), Instituto de Física, UASLP, Álvaro Obregón 64, San Luis Potosí, SLP, 78000, Mexico; Rosalba Patiño-Herrera ([email protected]), Departamento de Ingeniería Química, Instituto Tecnológico de Celaya/Tecnológico Nacional de México, Antonio García Cubas Pte #600 esq. Av. Tecnológico, Celaya, Guanajuato 38010, Mexico.Search for more papers by this author
First published: 15 July 2021
Citations: 3

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.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.