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Journal Article•DOI•

Application of the Optimized Pre-ozonation Treatment for Potential Resource Recovery from Industrial Textile Effluent

S. Mohan1, Ninad Oke1•
Indian Institute of Technology Madras1
04 May 2021-Ozone-science & Engineering (Informa UK Limited)-pp 1-14
TL;DR: In this paper, an optimized pre-ozonation treatment has been proposed for textile effluent, which is optimized for high color, organic load, dissolved solids content and toxicity of the textile effluents.
Abstract: Treatment of the textile effluent becomes complex due to the high color, organic load, dissolved solids content, and toxicity of the textile effluents. An optimized pre-ozonation treatment has been...
Citations
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Journal Article•DOI•
Physicochemical Modifications and Decolorization of Textile Wastewater by Ozonation: Performance Evaluation of a Batch System

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Eduardo Sant’Ana Petraconi Prado, F.S. Miranda, Luciana Gomes de Araujo, G. L. Fernandes, A. L. J. Pereira, Manuel C. Gomes, A. S. da Silva Sobrinho, Maurício Ribeiro Baldan, Gilberto Petraconi 
14 Jun 2022
TL;DR: In this article , an experimental study on the decolorization efficiency and degradation of organic compounds from textile wastewater by the ozonation process in a batch system was performed in a 1 L glass reactor with a magnetic stirrer and a bubble diffuser at the bottom to feed the ozone.
Abstract: ABSTRACT This is an experimental study on the decolorization efficiency and the degradation of organic compounds from textile wastewater by the ozonation process in a batch system. The effects of different sample volumes of textile wastewater over time were investigated. The experiments were performed in a 1 L glass reactor with a magnetic stirrer and a bubble diffuser at the bottom to feed the ozone. The applied cumulative ozone dosage varied at 120 gO3 L−1, 60 gO3 L−1, and 30 gO3 L−1, and the total interaction time for each test was 1 h. To investigate the physicochemical properties of the textile wastewater (solid and liquid phases) before and after the treatment, multiple analytical characterization methods were used: Thermal Gravimetric Analysis, Scanning Electron Microscopy coupled with Energy-Dispersive X-ray Spectroscopy, X-ray diffraction, Fourier Transform Infrared spectroscopy, and Spectrophotometer. The most perceptive change was observed in the color of the liquid medium, which turned from black to transparent, and a visual color number indicator known as DurchsichtFarbZahl (DFZ) was used for the evaluation of this process. Absorbance values decreased about 3.5 times after 5 min of treatment with a 0.15 L sample volume, and these values differed for tests with larger sample volumes. FTIR spectroscopy demonstrated that the bands’ intensities associated with the C − H, C − N, and C − O decrease during treatment. On the other hand, it was possible to conclude that combining treatment methods to improve the degradation of persistent compounds after the ozonation process is necessary. Finally, the ozonation of the textile wastewater proved to be effective at removing color due to its high reaction capacity. Graphical Abstract

1 citations

References
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Journal Article•DOI•
Combined anaerobic–ozonation process for treatment of textile wastewater: Removal of acute toxicity and mutagenicity

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Marisa Punzi1, Filip Nilsson1, Anbarasan Anbalagan1, Britt-Marie Svensson2, Karin Jönsson1, Bo Mattiasson1, Maria Jonstrup1 •
Lund University1, Kristianstad University College2
15 Jul 2015-Journal of Hazardous Materials
TL;DR: The results of this study suggest that the use of ozonation as short post-treatment after a biological process can be beneficial for the degradation of recalcitrant compounds and the removal of toxicity of textile wastewater.

181 citations

"Application of the Optimized Pre-oz..." refers background in this paper

  • ...Though the anaerobic degradation resulted in effective degradation of an azo dye, the formation of toxic aromatic amines is a major limitation (Punzi et al. 2015)....

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  • ...possible formation of intermediates (Punzi et al. 2015)....

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  • ...Glucose and starch were also added to synthetic textile effluent to attain the required Chemical Oxygen Demand (COD) concentration (Bilińska, Gmurek, and Ledakowicz 2017; Punzi et al. 2015)....

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  • ...It has been observed that UV absorbance peak may simply shift in the case of AOPs like ozonation rather than disappearing due to the possible formation of intermediates (Punzi et al. 2015)....

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Journal Article•DOI•
Efficiency comparison of ozonation, photolysis, photocatalysis and photoelectrocatalysis methods in real textile wastewater decolorization.

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Juliano Carvalho Cardoso1, Guilherme G. Bessegato1, Maria Valnice Boldrin Zanoni1•
Sao Paulo State University1
01 Jul 2016-Water Research
TL;DR: For real textile wastewater, ozonation appears to be a promising candidate for full-scale effluent decolorization and was discussed in terms of electric energy per order and were compared to those reported previously.

175 citations

"Application of the Optimized Pre-oz..." refers background in this paper

  • ...In the acidic pH range, the O3 molecule is relatively stable and selectively targets electron-rich structures like double bonds in the pollutant compounds (Cardoso, Bessegato, and Zanoni 2016)....

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Journal Article•DOI•
Recycling of wastewaters of textile dyeing industries using advanced treatment technology and cost analysis—Case studies

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K. Ranganathan1, K. Karunagaran1, D.C. Sharma1•
Central Pollution Control Board1
01 May 2007-Resources Conservation and Recycling
TL;DR: Textile dyeing industries in Tirupur and Karur of Tamil Nadu (India) usually discharge effluents ranging between 80 and 200m3/t of production.
Abstract: Textile dyeing industries in Tirupur and Karur of Tamil Nadu (India) usually discharge effluents ranging between 80 and 200 m3/t of production. Dyeing is performed either by conventional winch process or by advanced soft flow reactor process. Hypochlorite, the commonly used bleaching chemical is being gradually phased out by alkaline hydrogen peroxide solution that generates less effluent and fewer solids in the effluents. Coloring of yarn/cloth takes place in the presence of high concentration of sodium chloride or sodium sulphate (25–75 kg/m3) in dye solutions. Dye bath wastewaters and wash waters are the process effluents of dyeing industry which are collected separately or together and follow the advanced treatment for maximum recycling of recovered waters. Dye bath water after treating by sand and nanofiltrations (NF), the permeate is used in process for dye bath preparation and the reject of about 20–30% is sent to multi effect evaporator (MEE)/solar evaporation pond (SEP). Wash waters treated using a sequence of physicochemical and biological unit processes are passed into two stages reverse osmosis (RO) membrane systems and then the permeate is reused in the processes. The rejects about 15–20% of the inlet volume is subject either to nanofiltration for salt recovery or sent to evaporators. The final rejects from nanofilter systems is directed to multi effect evaporator system where condensed waters are recovered. The removal of total dissolved solids (TDS), chemical oxygen demand (COD), chloride and sodium are in the range of 80–97%, 91–97%, 76–97% and 96%, respectively. Multiple effect evaporators out flows of about 2–3% of the effluent volume are allowed for solar evaporation and the solids are disposed off. The cost of operation of MEE is about INR 400/m3 of the rejects. The cost of water recovery is about INR 60–80/m3 including commissioning and maintenance whereas price of raw-water in Tirupur is about INR 100/m3.

145 citations

"Application of the Optimized Pre-oz..." refers background in this paper

  • ...The study by Ranganathan, Karunagaran, and Sharma (2007) reported cost analysis for the water recovery from textile dyeing effluent by the application of nanofiltration membrane and reverse osmosis....

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Journal Article•DOI•
Use of ozone in a pilot-scale plant for textile wastewater pre-treatment: physico-chemical efficiency, degradation by-products identification and environmental toxicity of treated wastewater.

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Cleder A. Somensi, Edésio Luiz Simionatto, Sávio Leandro Bertoli, Alberto Wisniewski, Claudemir M. Radetski 
15 Mar 2010-Journal of Hazardous Materials
TL;DR: Pre-ozonation of textile wastewater is an important step in terms of improving wastewater biodegradability, as well as reducing acute ecotoxicity, which should be removed completely through sequential biological treatment.

129 citations

"Application of the Optimized Pre-oz..." refers background in this paper

  • ...© 2022 Society removal remains a challenge to meet effluent discharge standards (Somensi et al. 2010)....

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Journal Article•DOI•
Textile wastewater reuse as an alternative water source for dyeing and finishing processes: A case study

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Xujie Lu1, Lin Liu, Rongrong Liu2, Jihua Chen2•
Jianghan University1, Donghua University2
01 Aug 2010-Desalination
TL;DR: Wang et al. as discussed by the authors investigated the average removal efficiencies of COD, color, turbidity and no suspended solids (SS) in a 600m3/day pilot plant with biological treatment systems and membrane technology.

102 citations

"Application of the Optimized Pre-oz..." refers background in this paper

  • ...The cost analysis of various tertiary treatment methods applied to textile dye wastewater showed that ozonation is more cost-effective than electrocoagulation, membrane processes, and UV/H2O2 (Avsar et al. 2012; El-Dein, Libra, and Wiesmann 2006; Lu et al. 2010; Plumlee et al. 2014)....

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