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Fabrication and characterization of affordable hydrophobic ceramic hollow fibre membrane for contacting processes

Journal of Advanced Ceramics 2017年第4期6卷 330-340页

作者： mohammed abdulmunem abdulhameed Mohd Hafiz Dzarfan OTHMAN Haider Nadhom Azziz Al JODA Ahmad Fauzi ISMAIL Takeshi MATSUURA Zawati HARUN Mukhlis A.RAHMAN Mohd Hafiz PUTEH Juhana JAAFAR Advanced Membrane Technology Research Centre(AMTEC) Faculty of Chemical and Energy EngineeringUniversiti Teknologi Malaysia81310 UTM Johor BahruJohorMalaysia Department of Petroleum and Petrochemical Engineering Engineering CollegeKerbala University56001 KerbalaIraq Department of Chemical and Biological Engineering University of OttawaOttawaOntarioK1N 6N5Canada Advanced Manufacturing&Materials Centre(AMMC) Faculty of Mechanical and Manufacturing EngineeringUniversiti Tun Hussein Onn MalaysiaParit Raja86400 Batu PahatJohorMalaysia Department of Environmental Engineering Faculty of Civil EngineeringUniversiti Teknologi Malaysia81310 UTM Johor BahruJohorMalaysia

Affordable hydrophobic hollow fibre membranes were prepared using kaolin and alumina based ceramic powders via a combined phase inversion and sintering technique,followed by a grafting with fluoroalkylsilane(FAS).The crux of the matter in this paper is to study the changes in the properties of the hollow fibre membranes(gas permeation,mechanical strength,pore size,porosity,tortuosity,morphology,and contact angle)by the addition of alumina(Al2O3)to the pure kaolin with mono or multiparticle *** varying the overall loading and particle size of alumina addition,different morphologies of the membranes were obtained due to the differences in the path lengths during phase inversion process for each solvent and nonsolvent *** successful grafting with FAS was evidenced by the increase in contact angle from nearly equal to zero degree before grafting to 140°after ***-alumina-4,one of the hollow fibres fabricated in this work,achieved a mean pore size of 0.25μm with the bending strength of 96.4 MPa and high nitrogen permeance of 2.3×10^(-5) mol·m^(-2)·Pa^(-1)·s^(-1),which makes the hollow fibre most suitable for the membrane contactor application.

关键词： ceramic membrane contactor hollow fibre kaolin hydrophobic

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