Color and pumice stone problems in denim processing effluents: removal potential by integrated physical–chemical treatment

BACKGROUND Despite extensive research on textile wastewaters, very few studies have been devoted to denim processing effluents, basically ignoring the major pumice stone and color problems. This article defined an integrated physical–chemical pre‐treatment scheme as a sustainable solution, which wou...

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Bibliographic Details
Published in:Journal of chemical technology and biotechnology (1986) 2020-01, Vol.95 (1), p.142-150
Main Authors: Hooshmand, Masoomeh, Sözen, Seval, Sensoy, Hakan A, Orday, Nurdan, Yagci, Nevin, Orhon, Derin
Format: Article
Language:English
Subjects:
Aluminum
Aluminum chloride
Biological effects
Biological treatment
characterization
Chemical oxygen demand
Chemical treatment
cleaner production
Cobalt
Color
denim processing wastewater
Effluents
Levels
Organic chemistry
Platinum
Polyelectrolytes
preliminary settling
Pumice
pumice stone
Reduction
Settling
Solid suspensions
Stone
Textile industry wastewaters
Total suspended solids
Wastewater treatment
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Summary:BACKGROUND Despite extensive research on textile wastewaters, very few studies have been devoted to denim processing effluents, basically ignoring the major pumice stone and color problems. This article defined an integrated physical–chemical pre‐treatment scheme as a sustainable solution, which would achieve full removal of pumice stone and color, and would provide an optimum adjustment of wastewater characteristics for biological treatment. RESULTS This survey revealed a strong effluent with 1.0 g L−1 pumice stone (> 2 mm in size); 3.4 g L−1 total suspended solids (TSS) (
ISSN:0268-2575
1097-4660
DOI:10.1002/jctb.6216