Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7063
Title: Comparison of ozonation and coagulation decolorization methods in real textile wastewater
Authors: Aydın, Muhammed Iberia
Yüzer, Burak
Öngen, Atakan
Ökten, Hatice Eser
Selçuk, Hüseyin
Ökten, Hatice Eser
Keywords: Coagulants
Cost analysis
Decolorization
Ozonation
Textile industry
Issue Date: Jan-2018
Publisher: Desalination Publications
Source: Aydın, M. I., Yüzer, B., Öngen, A., Ökten, H. E., and Selçuk, H. (2018). Comparison of ozonation and coagulation decolorization methods in real textile wastewater. Desalination and Water Treatment, 103, 55-64. doi:10.5004/dwt.2018.21880
Abstract: Several treatment approaches such as ozonation, metal coagulation, (ferric chloride and alum), polymer treatment (Polyethylene polyamine, PP, and Cyanoguanidine Polymer, CP) and their combinations for decolarization of biologically treated textile wastewater (BTTWW) were applied. Wastewater samples were taken from effluent stream of an activated sludge treatment system in a synthetic-cotton textile factory. Absorbance, color, chemical oxygen demand (COD) measurements were done to determine optimum conditions. At coagulation experiments, neither ferric chloridenoralum decreased the color parameter below the discharge standard. Ozonation was found to be efficient in removing color from BTTWW as color degradation reached steady-state after 10 min. However color standard was met at higher ozone dosages (20 min). Polymer coagulation (200 mg/L) was found to be practical in removing color from BTTWW. Ozonation prior to polymer coagulation (pre-ozonation) not only improved the color removal efficiency but also decreased the required polymer dosage by 75%. Operational costs of ozonation, PP and pre-ozonation-subsequently PP were found to be 0.37 €/m3, 0.50 €/m3, and 0.26 €/m3, respectively.
URI: http://doi.org/10.5004/dwt.2018.21880
http://hdl.handle.net/11147/7063
ISSN: 1944-3994
1944-3986
Appears in Collections:Environmental Engineering / Çevre Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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