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Carbon hollow fiber membranes derived from PEI/PVP for gas separation

Salleh, W. N. W. and Ismail, Ahmad Fauzi (2011) Carbon hollow fiber membranes derived from PEI/PVP for gas separation. Separation and Purification Technology, 80 (3). pp. 541-548. ISSN 1383-5866

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Official URL: http://dx.doi.org/10.1016/j.seppur.2011.06.009


Carbonhollowfibermembranederived from polyetherimide (PEI) blend with polyvinylpyrrolidone (PVP) was prepared by pyrolysis under air and N2 environment. The characteristics of the carbon structures and the gasseparation properties of carbonhollowfibermembranes pyrolyzed at different temperatures were studied. The prepared membranes were extensively characterized using thermogravimetry analysis, scanning electron microscopy, and X-ray diffraction for its morphology, thermal stability and structure properties, respectively. Pure gases of different molecular size (CO2, N2 and CH4) were used to determine the permeation properties of the carbonmembrane. The permeance of the three gases decreased with increasing of pyrolysis temperature, however the selectivity of the gas pairs such as CO2/CH4 and CO2/N2 increased significantly. PEI/PVP is a promising carbonmembrane precursor, which resulted in good separation performance for CO2/CH4 and CO2/N2. According to permeation data, it is confirm that the gasseparation performance of prepared PEI/PVP-based carbonmembranes significantly better than its polymer precursor.

Item Type:Article
Uncontrolled Keywords:carbonmembrane, polyetherimide, pyrolysis, carbon dioxide, separation
Subjects:Q Science
Divisions:Chemical and Natural Resources Engineering (Formerly known)
ID Code:28858
Deposited By: Mrs Liza Porijo
Deposited On:29 Nov 2012 07:58
Last Modified:13 Feb 2017 03:25

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