Effect of Ethylene Glycol on Gas Permeability and Selectivity of CH₄/CO₂ Gas Separation in Zeolite/Alginate Membrane

Abstract:

Zeolite have been widely used as gas separation material with its promising properties. One of gas separation technology available is using membrane composites because of its various benefits. A synthesis of membrane composites consists of zeolite/alginate then caried out to study the effect of the addition of Ethylene Glycol (EG) to the CH₄/CO₂ selectivity performance of the membrane. Membrane synthesis varied by its mass ratio of alginate:EG for 1:0, 1:0.25, 1:0.5, 1:1, and 1:2 and evaporated in the room temperature for 72 h. Characterization of the physico/chemical properties was done with various instruments such as FT-IR (Fourier Transform Infra-Red) Spectroscopy, Texture Analyzer, SEM (Scanning Electron Microscopy), and Permeation Test Cell Unit. Addition of EG into the membrane compositions proven to improve the separation performance showed by permeation rate improvement and selectivity value. Gas selectivity separations of CH₄/CO₂ was also investigated and it can be concluded that the synthesized membranes have several promising properties to be used as CH₄/CO₂ separations membranes.

• Periodical: Key Engineering Materials (Volume 927)
• Pages: 131-137
• DOI: https://doi.org/10.4028/p-c46tw5
• Online since: July 2022
• Authors: Tiyastiti Suraya*, Ramadhan Cendy Mega Pratiwi, Adhitasari Suratman
• Keywords: Alginate, Ethylene Glycol, Gas Separations, Membrane, Zeolite

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