Abstract
From the recent years, textile industry effluents become one of the intense environmental issues. The textile industries utilize synthetic dyes in the processes like bleaching, coloring, finishing and printing. This resulted in formation of huge amounts of industrial wastewater containing dyes. Textile effluents have a high value of BOD and COD, so these dyes are dangerous to biological life. They also cause rapid consumption of DO in water bodies in which they are discharged. So, most of the dyes are unsafe and biologically intractable, so conventional biological treatment is not an efficient option for textile wastewaters treatment. According to Pakistan Council of Research in Water Resources (PCRWR), the wastewater generated by industries are less than 8% which is being treated in Pakistan and the remaining wastewater is disposed of into the Rivers, Irrigation canals, vegetable farms and drains. In this research, organoclay was used along with ultrasonic bath for the degradation and decolorization of dyes and comparison of sono-electric reactor (SER) and ultrasonic assisted application of organoclay was done. Efficiency of organoclay along with electrochemical and ultrasonic treatments was also compared individually. Research results show that the most efficient method for the removal of dyes from textile wastewater is the use of organoclay along with ultrasonic bath. The percentage removal efficiency for the treatment of textile wastewater by using organoclay with ultrasonic treatment was found to be almost 99% at pH 4, and the removal efficiencies of SER, ultrasonic bath, electrochemical reactor and organoclay are 87.75, 93, 92, and 98.38%, respectively. It was also concluded that these both methods were dependent on pH of the wastewater. Ultrasonic assisted application of organoclay is not a time consuming, unlike ultrasonic bath, electrochemical and SER method.
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ACKNOWLEDGMENTS
Engr. Basem Mohammed Alsakkaf acknowledges the technical and moral support provided by the University of Engineering and Technology Taxila, 47050, Pakistan.
Funding
We are really thankful to Higher Education Commission Pakistan (HEC) to providing us financial support through National Research Program for Universities (NRPU) project no. 10570.
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Basem Mohammed Al-Sakkaf. https://orcid.org/0000-0002-9515-594X
Sadia Nasreen. https://orcid.org/0000-0001-7959-6772
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Al-Sakkaf, B., Nasreen, S. & Ejaz, N. Ultrasonic Assisted Application of Organoclay As a Sorbent for Treatment of Textile Wastewater. Russ. J. Phys. Chem. 95, 1712–1719 (2021). https://doi.org/10.1134/S0036024421080033
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DOI: https://doi.org/10.1134/S0036024421080033