Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation

The emission of carbon dioxide (CO2) has become one of the most serious environmental problems since the industrial revolution. Today, reducing CO2 emissions is considered extremely important in order to abate the global climate change and global warming. For this purpose, CO2 separations from gas m...

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Main Author:	Wiheeb, Ahmed Daham
Format:	Thesis
Language:	English
Published:	2013
Subjects:	TP1-1185 Chemical technology
Online Access:	http://eprints.usm.my/43216/1/Ahmed%20Daham%20Wiheeb24.pdf
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id	my-usm-ep.43216
record_format	uketd_dc
spelling	my-usm-ep.432162019-04-12T05:26:10Z Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation 2013-09 Wiheeb, Ahmed Daham TP1-1185 Chemical technology The emission of carbon dioxide (CO2) has become one of the most serious environmental problems since the industrial revolution. Today, reducing CO2 emissions is considered extremely important in order to abate the global climate change and global warming. For this purpose, CO2 separations from gas mixtures have been actively researched. The main objective of this research is to separate CO2 from the synthetically produced gas stream containing binary gas mixtures using inorganic membrane technology. The research focused on the synthesis and development of different porous inorganic membranes modified with hydrotalcite (HT) to facilitate the separation of CO2. Hydrotalcite material was incorporated to improve the CO2 affinity and the thermal stability of the inorganic membranes for CO2 gas separation. The crack free mesoporous HT-alumina (~10 μm) and microporous HT-silica (~200 nm) porous membranes were successfully synthesized on top of γ-Al2O3 layer supported by a α-Al2O3 disc support using the sol-gel and dip-coating techniques. The effect of different parameters on the membrane performance, the structure and permeation properties relationships and the transport mechanism were studied by varying hydrotalcite compositions and sintering temperatures. The unsupported membranes were characterized for the presence of HT, surface functional groups, surface topography and morphology, surface area, pore size, CO2 adsorption and desorption capacity. 2013-09 Thesis http://eprints.usm.my/43216/ http://eprints.usm.my/43216/1/Ahmed%20Daham%20Wiheeb24.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Kimia
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	TP1-1185 Chemical technology
spellingShingle	TP1-1185 Chemical technology Wiheeb, Ahmed Daham Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation
description	The emission of carbon dioxide (CO2) has become one of the most serious environmental problems since the industrial revolution. Today, reducing CO2 emissions is considered extremely important in order to abate the global climate change and global warming. For this purpose, CO2 separations from gas mixtures have been actively researched. The main objective of this research is to separate CO2 from the synthetically produced gas stream containing binary gas mixtures using inorganic membrane technology. The research focused on the synthesis and development of different porous inorganic membranes modified with hydrotalcite (HT) to facilitate the separation of CO2. Hydrotalcite material was incorporated to improve the CO2 affinity and the thermal stability of the inorganic membranes for CO2 gas separation. The crack free mesoporous HT-alumina (~10 μm) and microporous HT-silica (~200 nm) porous membranes were successfully synthesized on top of γ-Al2O3 layer supported by a α-Al2O3 disc support using the sol-gel and dip-coating techniques. The effect of different parameters on the membrane performance, the structure and permeation properties relationships and the transport mechanism were studied by varying hydrotalcite compositions and sintering temperatures. The unsupported membranes were characterized for the presence of HT, surface functional groups, surface topography and morphology, surface area, pore size, CO2 adsorption and desorption capacity.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Wiheeb, Ahmed Daham
author_facet	Wiheeb, Ahmed Daham
author_sort	Wiheeb, Ahmed Daham
title	Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation
title_short	Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation
title_full	Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation
title_fullStr	Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation
title_full_unstemmed	Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation
title_sort	development and analysis of hydrotalcite-modified porous membranes for carbon dioxide separation
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Kejuruteraan Kimia
publishDate	2013
url	http://eprints.usm.my/43216/1/Ahmed%20Daham%20Wiheeb24.pdf
_version_	1747821179737997312

Development And Analysis Of Hydrotalcite-Modified Porous Membranes For Carbon Dioxide Separation

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