Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals

Palm-based dihydroxystearic acid was purified by employing solvent crystallization using ethanol and ethanol/water mixture as solvents. Two different cooling modes, rapid and natural cooling, were employed for the crystallization process. In this study, the cooling effects on morphology, habit, part...

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Main Authors:	Sumaiya, Zainal Abidin, Luqman Chuah, Abdullah, Koay, Gregory F. L., Salmiah, A., P., Siwayanan, Choonga, Thomas S. Y.
Format:	Article
Published:	Taylor & Francis 2010
Subjects:	TP Chemical technology
Online Access:	http://umpir.ump.edu.my/id/eprint/8278/ http://umpir.ump.edu.my/id/eprint/8278/ http://umpir.ump.edu.my/id/eprint/8278/

id	ump-8278
recordtype	eprints
spelling	ump-82782018-04-18T01:50:08Z http://umpir.ump.edu.my/id/eprint/8278/ Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals Sumaiya, Zainal Abidin Luqman Chuah, Abdullah Koay, Gregory F. L. Salmiah, A. P., Siwayanan Choonga, Thomas S. Y. TP Chemical technology Palm-based dihydroxystearic acid was purified by employing solvent crystallization using ethanol and ethanol/water mixture as solvents. Two different cooling modes, rapid and natural cooling, were employed for the crystallization process. In this study, the cooling effects on morphology, habit, particle size distribution, and yield of dihydroxystearic acid crystals were investigated. The dihydroxystearic acid crystals appeared to agglomerate into sphere-like and plate-like structures, depending on the cooling modes and the presence of water. By manipulating the solvent and cooling modes, the crystal yield ranged from 0.8% to 42.1%, while the crystal purity ranged from 73.3% to 91.4%. Solvent crystallization using ethanol was best achieved through natural cooling with the dihydroxystearic acid to ethanol ratio of 1.0:1.0, which produced the narrowest particle size distribution curve with the largest average particle size Taylor & Francis 2010 Article PeerReviewed Sumaiya, Zainal Abidin and Luqman Chuah, Abdullah and Koay, Gregory F. L. and Salmiah, A. and P., Siwayanan and Choonga, Thomas S. Y. (2010) Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals. Particulate Science and Technology, 28 (3). pp. 236-246. ISSN 0272-6351 (Print); 1548-0046 (Online) http://dx.doi.org/10.1080/02726351.2010.481583 DOI: 10.1080/02726351.2010.481583
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
topic	TP Chemical technology
spellingShingle	TP Chemical technology Sumaiya, Zainal Abidin Luqman Chuah, Abdullah Koay, Gregory F. L. Salmiah, A. P., Siwayanan Choonga, Thomas S. Y. Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals
description	Palm-based dihydroxystearic acid was purified by employing solvent crystallization using ethanol and ethanol/water mixture as solvents. Two different cooling modes, rapid and natural cooling, were employed for the crystallization process. In this study, the cooling effects on morphology, habit, particle size distribution, and yield of dihydroxystearic acid crystals were investigated. The dihydroxystearic acid crystals appeared to agglomerate into sphere-like and plate-like structures, depending on the cooling modes and the presence of water. By manipulating the solvent and cooling modes, the crystal yield ranged from 0.8% to 42.1%, while the crystal purity ranged from 73.3% to 91.4%. Solvent crystallization using ethanol was best achieved through natural cooling with the dihydroxystearic acid to ethanol ratio of 1.0:1.0, which produced the narrowest particle size distribution curve with the largest average particle size
format	Article
author	Sumaiya, Zainal Abidin Luqman Chuah, Abdullah Koay, Gregory F. L. Salmiah, A. P., Siwayanan Choonga, Thomas S. Y.
author_facet	Sumaiya, Zainal Abidin Luqman Chuah, Abdullah Koay, Gregory F. L. Salmiah, A. P., Siwayanan Choonga, Thomas S. Y.
author_sort	Sumaiya, Zainal Abidin
title	Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals
title_short	Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals
title_full	Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals
title_fullStr	Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals
title_full_unstemmed	Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals
title_sort	effect of solvent concentration and cooling modes on morphology, particle size distribution, and yield of dihydroxystearic acid (dhsa) crystals
publisher	Taylor & Francis
publishDate	2010
url	http://umpir.ump.edu.my/id/eprint/8278/ http://umpir.ump.edu.my/id/eprint/8278/ http://umpir.ump.edu.my/id/eprint/8278/
first_indexed	2023-09-18T22:05:41Z
last_indexed	2023-09-18T22:05:41Z
_version_	1777414691635593216

Effect of Solvent Concentration and Cooling Modes on Morphology, Particle Size Distribution, and Yield of Dihydroxystearic Acid (DHSA) Crystals

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