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Sealing perovskite membranes for long-term oxygen separation from air

Yousef Alqaheem and Abdulaziz A. Alomair

Petroleum Research Center, Kuwait Institute for Scientific Research, Ahmadi, Kuwait

 

E-mail: yqaheem@kisr.edu.kw

Received: 30 January 2020  Accepted: 27 June 2020

Abstract:

Oxygen is industrially produced by cryogenic distillation but the process is energy-intensive. Perovskite membranes can provide an economical solution for oxygen production because of low energy input. However, the technology is not commercialized due to one of the challenges which is sealing the membrane at high temperature. Unfortunately, there is no universal sealant that can be used for all perovskite membranes. Factors such as membrane material, geometry and operating conditions can critically affect the sealant selection. This paper overviews current sealing methods for perovskite membranes for long-term oxygen separation with various membrane geometries such as disk, tubular and hollow fiber.

Keywords: Perovskite membranes; Sealing; Oxygen flux; Gas-tight system

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-020-01272-5

 

Chemical Papers 74 (12) 4159–4168 (2020)

Wednesday, April 24, 2024

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