Open AccessMixed Matrix Membrane Incorporating of MgAl-CO3 Layered-Double-Hydroxide for Enhanced Carbon Dioxide Separation
Author(s) -
Nur Fajrina,
Norhaniza Yusof,
Ahmad Fauzi Ismail,
Juhana Jaafar,
Farhana Aziz,
Wan Norharyati Wan Salleh,
Norulhuda Ismail
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1142/1/012006
Subject(s) - permeance , membrane , polysulfone , phase inversion , hydroxide , materials science , gas separation , selectivity , chemical engineering , layered double hydroxides , fourier transform infrared spectroscopy , polymer , chemistry , composite material , organic chemistry , catalysis , permeation , biochemistry , engineering
In this study, mixed matrix membranes were fabricated by incorporating MgAl-CO 3 layered double hydroxides (LDH) into polysulfone (PSF) coated with low-cost commercial PEBAX polymer for enhancing CO 2 /CH 4 separation. LDH was synthesized via a simple co-precipitation method and flat sheet membranes were fabricated by dry/wet inversion phase. The gas separation performance on pure PSF and LDH/PSF membranes were investigated. The physical property, chemical structure and membrane morphology were characterized by XRD, FTIR, and SEM. The sample membranes were tested with CO 2 and CH 4 gas for permeance performance and selectivity of CO 2 /CH 4 was calculated. By incorporation of LDH, the CO 2 permeance increased about 54.6%. LDH mixed matrix membranes displayed the 18.2 GPU of CO 2 permeance and CO 2 /CH 4 selectivity of 18.0. The LDH based membrane produces innovation in membrane technology by improving its morphology and permeance performance with great potential for large-scale CO 2 capture and separation.