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Mixed matrix membrane performance enhancement using alkanolamine solution

Nasir, R. and Mukhtar, H. and Man, Z. and Dutta, B.K. and Shaharun, M.S. and Abu Bakar, M.Z. (2015) Mixed matrix membrane performance enhancement using alkanolamine solution. Journal of Membrane Science, 483 . pp. 84-93.

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

Mixed matrix membranes (MMMs) containing diethanolamine (DEA) and carbon molecular sieve (CMS) in polyethersulfone (PES) were synthesized and characterized to study the efficiency of CO2 separation from CH4. The membranes were fabricated by adding fixed amount of CMS and polymer into a solvent with DEA at different concentrations. These membranes were characterized for physicochemical properties by employing field emission scanning electron microscopy (FESEM), thermogravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR). The permeability and selectivity studies were carried out by using pure carbon dioxide and methane in a small laboratory test cell. The characterization results revealed that the structure of the membranes was dense and non-porous. It was also found that carbon molecular sieve was uniformly distributed in the polymer matrix. The addition of DEA significantly enhanced the performance of the investigated MMMs such that the CO2 permeance and CO2/CH4 selectivity were enhanced up to 172.41 and 283.21 respectively at a pressure of 6bar. A comparison with the performance of a few other membranes decisively establishes the superiority of the membranes prepared and tested in this study. © 2015 Elsevier B.V.

Item Type:Article
Impact Factor:cited By 24
Uncontrolled Keywords:Alkanolamines; Carbon; Field emission microscopes; Fourier transform infrared spectroscopy; Membranes; Methane; Molecular sieves; Scanning electron microscopy; Sieves; Thermogravimetric analysis, Carbon molecular sieve; Facilitated transport membranes; Field emission scanning electron microscopy; Laboratory test; Mixed matrix membranes; Physicochemical property; Polyethersulfones; Pure carbon dioxide, Carbon dioxide, alkanolamine; carbon dioxide; polymer, Article; field emission scanning electron microscopy; Fourier transformation; infrared spectroscopy; membrane; membrane structure; membrane transport; mixed matrix membrane; morphology; physical chemistry; powder; priority journal; separation technique; solubility; synthesis; technology; thermogravimetry
Academic Subject One:Academic Department - Chemical Engineering - Separation Process
Departments / MOR / COE:Research Institutes > Institute for Sustainable Building
ID Code:22063
Deposited By: Ahmad Suhairi
Deposited On:26 Feb 2019 05:46
Last Modified:26 Feb 2019 05:46

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