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Mass Transfer in a Closed-cycle Solid-liquid Extraction Unit


Citation

Ali, Asbi (1994) Mass Transfer in a Closed-cycle Solid-liquid Extraction Unit. Pertanika Journal of Science & Technology, 2 (2). pp. 237-241. ISSN 0128-7680

Abstract / Synopsis

Solid-liquid extraction is a very important process in the sugar industry, in which sucrose from sugar beets is leached by utilizing hot water as a solvent. In this simulation study, solid-to-fluid mass transfer coefficients were determined by measuring extraction rates of sugar in a closed-cycle extractor. Measurements were made for four flow rates: 3.0, 3.5, 4.0 and 4.5 ml/s over a temperature range of 45 - 65°C at atmospheric pressure. The effects of temperature and solvent velocity on mass transfer coefficients were found to be positive, and the calculated activation energies for the extraction process were found to be in the range of4.0 to 5.4 kJ/kmol K


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Additional Metadata

Item Type: Article
Divisions: Faculty of Food Science and Technology
Publisher: Universiti Putra Malaysia Press
Depositing User: Nur Izzati Mohd Zaki
Date Deposited: 24 Nov 2009 10:54
Last Modified: 27 May 2013 15:05
URI: http://psasir.upm.edu.my/id/eprint/3137
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