SYNTHESIS AND CHARACTERIZATION OF POLYIMIDE-ZEOLITE MIXED MATRIX MEMBRANE

Budiyono Budiyono; Tutuk Djoko Kusworo; Ahmad Fauzi Ismail; I Nyoman Widiasa; Seno Johari; Sunarso Sunarso

doi:10.14710/reaktor.12.4.245 – 252

DOI: https://doi.org/10.14710/reaktor.12.4.245%20–%20252

SYNTHESIS AND CHARACTERIZATION OF POLYIMIDE-ZEOLITE MIXED MATRIX MEMBRANE

*Budiyono Budiyono - Department of Chemical Engineering, Universitas Diponegoro, Semarang, Indonesia, Indonesia

Tutuk Djoko Kusworo - Department of Chemical Engineering, Universitas Diponegoro, Semarang, Indonesia, Indonesia

Ahmad Fauzi Ismail - Advanced Membrane Research Technology Center, Faculty of Chemical and Natural Resources Engineering, Universiti Teknologi Malaysia, 81310 UTM, Malaysia, Malaysia

I Nyoman Widiasa - Department of Chemical Engineering, Universitas Diponegoro, Semarang, Indonesia, Indonesia

Seno Johari - Department of Animal Agriculture, Universitas Diponegoro, Semarang, Indonesia , Indonesia

Sunarso Sunarso - Department of Animal Agriculture, Universitas Diponegoro, Semarang, Indonesia , Indonesia

Published: 17 Dec 2009.

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Abstract

Biogas has become an attractive alternative energy source due to the limitation of energy from fossil. In this study, a new type of mixed matrix membrane (MMM) consisting of polyimide-zeolite was synthesized and characterized for biogas purification. The MMM consists of medium concentration of polymer (20% wt polyimide), 80% N-Methyl-2-pyrrolidone (NMP) and 25% zeolite 4A in total solid were prepared by a dry/wet phase inversion technique. The fabricated MMM was characterized using SEM, DSC, TGA and gas permeation. Post treatment coating procedure was also conducted. The research showed that surface coating by 3% silicone rubber toward MMM PI 20% gave the significant effect to improve membrane selectivity. The ideal selectivity for CO₂/CH₄ separation increased from 0.99 for before coating to 7.9 after coating for PI-Zeolite MMM, respectively. The results suggest that PI-Zeolite MMM with good post treatment procedure will increase the membrane selectivity and permeability with more saver polymer requirement as well as energy saving due to low energy for mixing.

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Keywords: biogas purification, mixed matrix membrane, polyimide, zeolite

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Section: Research Article

Language : EN

In Volume 12, Nomor 4, Desember 2009

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