Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane

Ceramic membrane with unique morphology can be prepared using phase inversion and sintering technique. Dual layer lanthanum strontium cobalt ferrite (LSCF)/alumina hollow fibre membrane in this study was prepared using this technique. The contributing parameters in the preparation of asymmetric alum...

Full description

Saved in:

Bibliographic Details
Main Author:	Abdullah, Norfazliana
Format:	Thesis
Language:	English
Published:	2016
Subjects:	TP Chemical technology
Online Access:	http://eprints.utm.my/id/eprint/60707/1/NorFazlianaAbdullahMFChE2016.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-utm-ep.60707
record_format	uketd_dc
spelling	my-utm-ep.607072021-01-03T00:52:39Z Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane 2016-02 Abdullah, Norfazliana TP Chemical technology Ceramic membrane with unique morphology can be prepared using phase inversion and sintering technique. Dual layer lanthanum strontium cobalt ferrite (LSCF)/alumina hollow fibre membrane in this study was prepared using this technique. The contributing parameters in the preparation of asymmetric alumina hollow fibre during fabrication process were investigated. The parameters involved in the process were the alumina/polyethersulfone (PESf) ratio, the internal coagulant temperature and the air-gap distance. Next, the suitable LSCF coating formulations were studied to obtain thin layer of LSCF. This was followed by the impregnations of catalyst prepared using sol-gel Pechini method. The characterizations were carried out for scanning electron microscopy (SEM), energy dispersive X-Ray spectrometry (EDX), apparent porosity, gas permeability test, gas-tightness test, Brunauer–Emmett–Teller technique, dilatometer analysis and mechanical test. The results showed that a reduction of alumina/PESf ratio from 10 to 6 resulted in the formation of asymmetric structure. The 53 weight % of alumina (AL-53) was selected as membrane support with 1.68 mm, 1.08 mm and 168 µm of outside, inside diameter and finger-like length, respectively. The AL-53 had acceptable mechanical strength of 24 MPa and high gas permeability of 13.87 x 10-4 mol m-2 Pa-1 s-1. The 25 weight % of LSCF membrane sintered at 1150 oC had the lowest nitrogen gas permeability of 2.401 x 10-6 mol m-2 Pa-1 s-1 that was considered as gas-tight LSCF layer. The dual layer LSCF/alumina hollow fibre membrane was impregnated with 10 weight % of cerium oxide doped copper oxide catalyst. This catalyst was characterized using the SEM/EDX to ensure the catalyst was placed inside the finger-like structure of alumina membrane support. The dual layer of LSCF/alumina hollow fibre membrane was successfully produced using phase inversion and sintering technique which will be beneficial for multifunctional applications. 2016-02 Thesis http://eprints.utm.my/id/eprint/60707/ http://eprints.utm.my/id/eprint/60707/1/NorFazlianaAbdullahMFChE2016.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:93939 masters Universiti Teknologi Malaysia, Faculty of Chemical Engineering Faculty of Chemical Engineering
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Abdullah, Norfazliana Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane
description	Ceramic membrane with unique morphology can be prepared using phase inversion and sintering technique. Dual layer lanthanum strontium cobalt ferrite (LSCF)/alumina hollow fibre membrane in this study was prepared using this technique. The contributing parameters in the preparation of asymmetric alumina hollow fibre during fabrication process were investigated. The parameters involved in the process were the alumina/polyethersulfone (PESf) ratio, the internal coagulant temperature and the air-gap distance. Next, the suitable LSCF coating formulations were studied to obtain thin layer of LSCF. This was followed by the impregnations of catalyst prepared using sol-gel Pechini method. The characterizations were carried out for scanning electron microscopy (SEM), energy dispersive X-Ray spectrometry (EDX), apparent porosity, gas permeability test, gas-tightness test, Brunauer–Emmett–Teller technique, dilatometer analysis and mechanical test. The results showed that a reduction of alumina/PESf ratio from 10 to 6 resulted in the formation of asymmetric structure. The 53 weight % of alumina (AL-53) was selected as membrane support with 1.68 mm, 1.08 mm and 168 µm of outside, inside diameter and finger-like length, respectively. The AL-53 had acceptable mechanical strength of 24 MPa and high gas permeability of 13.87 x 10-4 mol m-2 Pa-1 s-1. The 25 weight % of LSCF membrane sintered at 1150 oC had the lowest nitrogen gas permeability of 2.401 x 10-6 mol m-2 Pa-1 s-1 that was considered as gas-tight LSCF layer. The dual layer LSCF/alumina hollow fibre membrane was impregnated with 10 weight % of cerium oxide doped copper oxide catalyst. This catalyst was characterized using the SEM/EDX to ensure the catalyst was placed inside the finger-like structure of alumina membrane support. The dual layer of LSCF/alumina hollow fibre membrane was successfully produced using phase inversion and sintering technique which will be beneficial for multifunctional applications.
format	Thesis
qualification_level	Master's degree
author	Abdullah, Norfazliana
author_facet	Abdullah, Norfazliana
author_sort	Abdullah, Norfazliana
title	Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane
title_short	Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane
title_full	Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane
title_fullStr	Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane
title_full_unstemmed	Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane
title_sort	preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane
granting_institution	Universiti Teknologi Malaysia, Faculty of Chemical Engineering
granting_department	Faculty of Chemical Engineering
publishDate	2016
url	http://eprints.utm.my/id/eprint/60707/1/NorFazlianaAbdullahMFChE2016.pdf
_version_	1747817764089757696

Preparation and characterization of dual layer lanthanum strontium cobalt ferrite/alumina hollow fibre membrane

Similar Items