Ultrafiltration of aqueous solutions containing dextran

The use of membrane technologies for water recycling has increased over the last decades, however, its use is limited due to the fouling of the membranes. This study investigates some different parameters thought to be responsible for membrane fouling. Two different ultrafiltration membranes have be...

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Bibliographic Details
Published inDesalination Vol. 188; no. 1; pp. 217 - 227
Main Authors García-Molina, V., Esplugas, S., Wintgens, Th, Melin, Th
Format Journal Article Conference Proceeding
LanguageEnglish
Published Amsterdam Elsevier B.V 01.01.2006
Elsevier
Subjects
Applied sciences
Chemical engineering
Dextran
Exact sciences and technology
Filtration
Liquid-liquid and fluid-solid mechanical separations
Membrane separation (reverse osmosis, dialysis...)
Pollution
Ultrafiltration
Water treatment
Dextran
Water treatment
Ultrafiltration
Membrane separation
Fouling
Filtration
pH
Recycling
Aqueous solution
Operating conditions
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Summary:The use of membrane technologies for water recycling has increased over the last decades, however, its use is limited due to the fouling of the membranes. This study investigates some different parameters thought to be responsible for membrane fouling. Two different ultrafiltration membranes have been used in this investigation in order to carry out filtrations of feed solutions containing dextran with a molecular weight between 36,000 and 44,000 Da. The influence of some operating conditions such as applied pressure, concentration of dextran, content of calcium and pH of the feed solution on the performance of the filtration has been studied.
ISSN:0011-9164
1873-4464
DOI:10.1016/j.desal.2005.04.120