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Effect of heating rates on the microstructure and gas permeation properties of carbon membranes

Norazlianie, Sazali and Wan Norharyati, Wan Salleh and Ahmad Fauzi, Ismail and K., Kadirgama and Mohamad Shahrizan, Moslan and Faten Ermala, Che Othman and Nor Hafiza, Ismail and Samykano, Mahendran and Zawati, Harun (2018) Effect of heating rates on the microstructure and gas permeation properties of carbon membranes. Malaysian Journal of Fundamental and Applied Sciences, 14 (3). pp. 378-381. ISSN 2289-5981 (Print); 2289-599x (Online)

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Abstract

High performance tubular carbon membrane (TCM’s) for CO2 separation were prepared by controlling the carbonization heating rates in range of 1-7 o C/min carbonized at 800 o C under Argon environment. A single permeation apparatus was used to determine the gas permeation properties of the membrane at room temperature. Fine turning of the carbonization condition was necessary to obtain the desired permeation properties. The preparation of PI/NCC-based TCM at low heating rate caused the gas permeance for the examined gas N2 and CO2 decreased whereas the selectivity of CO2/N2 increased. It was also identified that the gas permeation properties of the resultant TCM and its structure was highly affected by the heating rate. The best carbonization heating rate was found at 3o C/min for the fabrication of TCM derived via polymer blending of PI/NCC for CO2/N2 separation.

Item Type: Article
Uncontrolled Keywords: Gas permeation; Heating rates; Polyimide; Nanocrystalline cellulose: Carbon membrane
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 10 Oct 2018 05:58
Last Modified: 10 Oct 2018 05:58
URI: http://umpir.ump.edu.my/id/eprint/22196
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