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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
business, management and accounting
Coupling microfiltration and nanofiltration processes for the treatment at source of dyeing-containing effluent
Journal of Cleaner Production, Volume 33, Year 2012
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Description
Dye baths of low volume compared to the volume of water used in other processing operations generate significant pollution and contaminate other wastewaters that are generally less loaded with pollutants. The aim of the present work is to treat different combination of selected dyeing cycle baths of using the combination of Microfiltration (MF) with Nanofiltration (NF) in order to reuse the treated water in the dyeing process. The characterization of the effluents coming from the different dyeing steps shows that the cotton preparation and dyeing baths are the most polluted due to the presence of dye and to high salinity content. The performances of the combination MF/NF to treat two types of effluents (Effluent 1 which is a mixture of the more polluted baths and effluent 2 which is a mixture of all baths used during the dyeing cycle) were studied. The pretreatment by MF leads to a 50% of pollutant retention except for salts which do not exceed 13%. The addition of NF leads to a high quality of treated effluent with retention of salt, color, suspended matter and COD respectively of 47-52%, 100%, 99.9% and 73-85% depending of the effluent load. The use of MF as a pretreatment prior to NF improves the treatment effectiveness by increasing the operating time and the permeate flux. NF permeate quality was satisfactory enough to be reused in reactive dyeing baths. © 2012 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Tahri, Nouha
Tunisia, Sfax
Faculté Des Sciences de Sfax
Masmoudi, Ghazza
Tunisia, Sfax
Faculté Des Sciences de Sfax
Ellouze, Emna
Tunisia, Sfax
Faculté Des Sciences de Sfax
Jrad, Amel
Tunisia, Tunis
Centre International de L'environnement de Tunis Citet
Drogui, Patrick
Canada, Quebec
Institut National de la Recherche Scientifique
Ben Amar, Raja
Tunisia, Sfax
Faculté Des Sciences de Sfax
Statistics
Citations: 71
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1016/j.jclepro.2012.03.025
ISSN:
09596526
Research Areas
Environmental