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AuthorBanat, F.
AuthorAl-Asheh, S.
AuthorQtaishat, M.
Available date2010-01-07T10:16:05Z
Publication Date2004-09-08
Publication NameDesalination
CitationF. Banat, S. Al-Asheh, M. Qtaishat, Treatment of waters colored with methylene blue dye by vacuum membrane distillation, Desalination, Volume 174, Issue 1, 1 April 2005, Pages 87-96
AbstractTextile industries consume large amounts of water and generate highly dye-contaminated effluents. Textile wastewaters have to be treated in order to be recycled in the process or to meet legislative requirements before being discharged. The objective of the present study was to examine the potential use of the vacuum membrane distillation process for the treatment of dyed solutions. Methylene blue (MB) was used as a model dye. Batch experiments were conducted on dilute MB-water mixtures using a tubular polypropylene membrane module. The concentration of MB dye within the feed reservoir was monitored over time. The impact of operating variables such as feed temperature, flow rate and initial dye concentration was investigated. A mathematical model incorporating temperature and concentration polarization effects was developed and validated on the experimental data.
PublisherElsevier B.V.
SubjectMembrane distillation
Methylene blue
Temperature polarization
Concentration polarization
TitleTreatment of waters colored with methylene blue dye by vacuum membrane distillation

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