Mixed ionic-electronic conducting membranes (MIEC) for their application in membrane reactors: a review

Alba Arratibel Plazaola, Aitor Cruellas Labella, Yuliang Liu, Nerea Badiola Porras, David Alfredo Pacheco Tanaka, Martin Van Sint Annaland, Fausto Gallucci (Corresponding author)

Research output: Contribution to journalReview articlepeer-review

19 Citations (Scopus)
107 Downloads (Pure)

Abstract

Mixed ionic-electronic conducting membranes have seen significant progress over the last 25 years as efficient ways to obtain oxygen separation from air and for their integration in chemical production systems where pure oxygen in small amounts is needed. Perovskite materials are the most employed materials for membrane preparation. However, they have poor phase stability and are prone to poisoning when subjected to CO 2 and SO 2 , which limits their industrial application. To solve this, the so-called dual-phase membranes are attracting greater attention. In this review, recent advances on self-supported and supported oxygen membranes and factors that affect the oxygen permeation and membrane stability are presented. Possible ways for further improvements that can be pursued to increase the oxygen permeation rate are also indicated. Lastly, an overview of the most relevant examples of membrane reactors in which oxygen membranes have been integrated are provided.

Original languageEnglish
Article number128
Number of pages50
JournalProcesses
Volume7
Issue number3
DOIs
Publication statusPublished - 1 Mar 2019

Keywords

  • Fluorite
  • Membrane
  • Membrane reactor
  • MIEC
  • Oxygen separation
  • Perovskite

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