Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/8390
Title: Comparison of different ultrasound support methods during colour and chemical oxygen demand removal of disperse and reactive dyebath solutions by ozonation
Authors: Aksel Eren, H.
Avinç, Ozan
Erismis, B.
Keywords: Chemical oxygen demand removals
Decolorisation
Dye bath
Dyeing auxiliary
Efficient process
Ozonation process
Support method
Ultrasonic bath
Chemical oxygen demand
Color
Ozone
Ozonization
Abstract: In this study, the effects of ozonation, ozonation with ultrasonic bath and ozonation with ultrasonic homogeniser processes on colour and chemical oxygen demand removal properties of disperse (CI Disperse Red60, CI Disperse Blue337) and reactive (CI Reactive Blue171 and CI Reactive Blue19) dyebath solutions with and without dyeing auxiliaries were investigated. Chemical oxygen demand (in mg/l) and colour (in Hazen) measurements of the studied dyebath solutions were determined. The ozonation process caused simultaneous chemical oxygen demand removal during decolorisation. However, the improvement in chemical oxygen demand reduction was less than of that on decolorisation. The application of the combination of ozonation with ultrasonic homogeniser is the most efficient process and creates a great time advantage over the other process types studied (ozonation alone and ozonation with ultrasonic bath) to reach the same colour and levels of chemical oxygen demand removal. © 2012 The Authors. Coloration Technology © 2012 Society of Dyers and Colourists.
URI: https://hdl.handle.net/11499/8390
https://doi.org/10.1111/j.1478-4408.2012.00398.x
ISSN: 1472-3581
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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