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TiO2-Based Photocatalytic Treatment of Raw and Constructed-Wetland Pretreated Textile Wastewater
Joint Authors
Lavrenčič Štangar, Urška
Trebše, Polonca
Griessler Bulc, Tjaša
Mahne, Dunja
Source
International Journal of Photoenergy
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-03-27
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
Approximately, 15% of the total textile colorant production is estimated to be lost during dyeing and processing of textile fibres.
If left untreated, these wastewaters can represent a serious environmental threat.
In the present paper a combination of photocatalytic and biological degradation of prepared textile wastewaters (simulation of real textile effluent) is presented.
Samples have been monitored through the course of photocatalytic experiments: change in UV-VIS absorbance spectra and complete decolouration were achieved for all three tested dyed wastewaters; however, only partial COD removal was achieved with photocatalytic oxidation (PCOx) and photocatalytic ozonation (PCOz).
Toxicity test (Vibrio fischeri) of untreated and pretreated (constructed wetland, CW) samples showed a decrease in toxicity values only for the red-dyed wastewater.
Comparison of efficiency of PCOx and PCOz for decolouration and mineralization of three structurally different dyes (anthraquinone and two azo dyes) has been done.
CW pretreatment caused faster decolouration and substantial COD removal in PCOx (up to 45%).
Pretreatment also accelerated decolouration during PCOz, but it accelerated COD removal only in the case of red-dyed wastewater due to short irradiation times applied.
American Psychological Association (APA)
Mahne, Dunja& Lavrenčič Štangar, Urška& Trebše, Polonca& Griessler Bulc, Tjaša. 2012. TiO2-Based Photocatalytic Treatment of Raw and Constructed-Wetland Pretreated Textile Wastewater. International Journal of Photoenergy،Vol. 2012, no. 2012, pp.1-12.
https://search.emarefa.net/detail/BIM-493679
Modern Language Association (MLA)
Mahne, Dunja…[et al.]. TiO2-Based Photocatalytic Treatment of Raw and Constructed-Wetland Pretreated Textile Wastewater. International Journal of Photoenergy No. 2012 (2012), pp.1-12.
https://search.emarefa.net/detail/BIM-493679
American Medical Association (AMA)
Mahne, Dunja& Lavrenčič Štangar, Urška& Trebše, Polonca& Griessler Bulc, Tjaša. TiO2-Based Photocatalytic Treatment of Raw and Constructed-Wetland Pretreated Textile Wastewater. International Journal of Photoenergy. 2012. Vol. 2012, no. 2012, pp.1-12.
https://search.emarefa.net/detail/BIM-493679
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-493679