Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents

Poly(styrene-divinyl benzene) (PS-DVB) resin is an attractive adsorbent for extraction and separation of various types of compounds due to its stability over the pH range of 1-14. However, PS-DVB resin is known to have hydrophobic surfaces that highly retain non-polar compounds while poorly retain p...

Full description

Saved in:

Bibliographic Details
Main Author:	Sarjadi, Mohd. Sani
Format:	Thesis
Language:	English
Published:	2005
Subjects:	QD Chemistry
Online Access:	http://eprints.utm.my/id/eprint/5328/1/MohdSaniSarjadiMFS2005.pdf
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-utm-ep.5328
record_format	uketd_dc
spelling	my-utm-ep.53282018-03-07T20:56:40Z Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents 2005-12 Sarjadi, Mohd. Sani QD Chemistry Poly(styrene-divinyl benzene) (PS-DVB) resin is an attractive adsorbent for extraction and separation of various types of compounds due to its stability over the pH range of 1-14. However, PS-DVB resin is known to have hydrophobic surfaces that highly retain non-polar compounds while poorly retain polar compounds. To improve its use in the separation or extraction of polar compounds, PS-DVB resin must be chemically or physically bonded to hydrophilic groups to reduce its hydrophobic surface. This study explores the development of PS-DVB resins modified with acetyl chloride, chloroacetone and zirconyl chloride. The PS-DVB resin adsorbent was prepared by suspension polymerization method with polyvinyl alcohol as the suspension stabilizer at a stirring speed of 1000 rpm for 20 h. Modifications of the PS-DVB adsorbent were carried out via Friedel Crafts acylation reaction with acetyl chloride and chloroacetone using Lewis acid catalyst, Grignard reaction of the product with methyl magnesium chloride and reaction of the product with zirconium(IV) oxide chloride octahydrate. The products obtained were characterized using infrared spectroscopy, scanning electron microscopy, nitrogen adsorption analysis and thermal gravimetric analysis. The performance of the PSDVB- based phases was evaluated by investigating its adsorption-desorption efficiency in solid phase extraction. Comparative recovery studies showed that the pethanoyl- PS-DVB and p-2-propanoyl-PS-DVB resins were superior compared to unmodified PS-DVB and ziconia-modified PS-DVB for solid phase extraction of the test compounds 2-chlorophenol, nitrobenzene and propiophenone. 2005-12 Thesis http://eprints.utm.my/id/eprint/5328/ http://eprints.utm.my/id/eprint/5328/1/MohdSaniSarjadiMFS2005.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Science Faculty of Science
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	QD Chemistry
spellingShingle	QD Chemistry Sarjadi, Mohd. Sani Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents
description	Poly(styrene-divinyl benzene) (PS-DVB) resin is an attractive adsorbent for extraction and separation of various types of compounds due to its stability over the pH range of 1-14. However, PS-DVB resin is known to have hydrophobic surfaces that highly retain non-polar compounds while poorly retain polar compounds. To improve its use in the separation or extraction of polar compounds, PS-DVB resin must be chemically or physically bonded to hydrophilic groups to reduce its hydrophobic surface. This study explores the development of PS-DVB resins modified with acetyl chloride, chloroacetone and zirconyl chloride. The PS-DVB resin adsorbent was prepared by suspension polymerization method with polyvinyl alcohol as the suspension stabilizer at a stirring speed of 1000 rpm for 20 h. Modifications of the PS-DVB adsorbent were carried out via Friedel Crafts acylation reaction with acetyl chloride and chloroacetone using Lewis acid catalyst, Grignard reaction of the product with methyl magnesium chloride and reaction of the product with zirconium(IV) oxide chloride octahydrate. The products obtained were characterized using infrared spectroscopy, scanning electron microscopy, nitrogen adsorption analysis and thermal gravimetric analysis. The performance of the PSDVB- based phases was evaluated by investigating its adsorption-desorption efficiency in solid phase extraction. Comparative recovery studies showed that the pethanoyl- PS-DVB and p-2-propanoyl-PS-DVB resins were superior compared to unmodified PS-DVB and ziconia-modified PS-DVB for solid phase extraction of the test compounds 2-chlorophenol, nitrobenzene and propiophenone.
format	Thesis
qualification_level	Master's degree
author	Sarjadi, Mohd. Sani
author_facet	Sarjadi, Mohd. Sani
author_sort	Sarjadi, Mohd. Sani
title	Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents
title_short	Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents
title_full	Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents
title_fullStr	Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents
title_full_unstemmed	Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents
title_sort	synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents
granting_institution	Universiti Teknologi Malaysia, Faculty of Science
granting_department	Faculty of Science
publishDate	2005
url	http://eprints.utm.my/id/eprint/5328/1/MohdSaniSarjadiMFS2005.pdf
_version_	1747814580762968064

Synthesis, characterization and application of zirconiamodified poly(styrene-divinyl benzene) adsorbents

Similar Items