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      A critical review on advances in the practices and perspectives for the treatment of dye industry wastewater

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          ABSTRACT

          Rapid industrialization has provided comforts to mankind but has also impacted the environment harmfully. There has been severe increase in the pollution due to several industries, in particular due to dye industry, which generate huge quantities of wastewater containing hazardous chemicals. Although tremendous developments have taken place for the treatment and management of such wastewater through chemical or biological processes, there is an emerging shift in the approach, with focus shifting on resource recovery from such wastewater and also their management in sustainable manner. This review article aims to present and discuss the most advanced and state-of-art technical and scientific developments about the treatment of dye industry wastewater, which include advanced oxidation process, membrane filtration technique, microbial technologies, bio-electrochemical degradation, photocatalytic degradation, etc. Among these technologies, microbial degradation seems highly promising for resource recovery and sustainability and has been discussed in detail as a promising approach. This paper also covers the challenges and future perspectives in this field.

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          Most cited references154

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          Effects of textile dyes on health and the environment and bioremediation potential of living organisms

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            A critical review on textile wastewater treatments: Possible approaches.

            Waste water is a major environmental impediment for the growth of the textile industry besides the other minor issues like solid waste and resource waste management. Textile industry uses many kinds of synthetic dyes and discharge large amounts of highly colored wastewater as the uptake of these dyes by fabrics is very poor. This highly colored textile wastewater severely affects photosynthetic function in plant. It also has an impact on aquatic life due to low light penetration and oxygen consumption. It may also be lethal to certain forms of marine life due to the occurrence of component metals and chlorine present in the synthetic dyes. So, this textile wastewater must be treated before their discharge. In this article, different treatment methods to treat the textile wastewater have been presented along with cost per unit volume of treated water. Treatment methods discussed in this paper involve oxidation methods (cavitation, photocatalytic oxidation, ozone, H2O2, fentons process), physical methods (adsorption and filtration), biological methods (fungi, algae, bacteria, microbial fuel cell). This review article will also recommend the possible remedial measures to treat different types of effluent generated from each textile operation.
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              Recent advances in new generation dye removal technologies: novel search for approaches to reprocess wastewater

              In order to control the negative impacts of dyes on living organisms, several techniques and methodologies have been developed for their removal from industry effluents and other water bodies. Dyes are an important class of organic pollutants and are well known for their hazardous effects on aquatic life in general and human beings in particular. In order to reduce the negative effects of dye contaminated wastewater on humans and the environment, the wastewater must be treated carefully before discharge into main streams. Advances in science and technology have led to the evolution of several techniques for the removal of dyes from industrial and domestic effluents. In this review, the more recent methods for the removal of dyes from water and wastewater have been discussed. Wastewater treatment techniques such as adsorption, oxidation, flocculation–coagulation, membrane filtration and biological treatment have been highlighted. In addition, efforts were made to review all the available techniques and recently published studies from 2010–2014. Furthermore, the performance and special features of these technologies have been summarised. Advantages and limitations of each technique are also presented. A thorough literature survey revealed that chemical oxidation, adsorption, and biological treatments have been the most frequently investigated techniques for dye removal over the past few years.
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                Author and article information

                Journal
                Bioengineered
                Bioengineered
                Bioengineered
                Taylor & Francis
                2165-5979
                2165-5987
                28 December 2020
                2021
                28 December 2020
                : 12
                : 1
                : 70-87
                Affiliations
                [a ]Paryavaran Bhavan, Gujarat Pollution Control Board; , Gandhinagar, India
                [b ]Biotechnology Department, Kadi Sarva Vishwavidyalaya; , Gandhinagar, India
                [c ]Centre of Innovation and Translation Research, CSIR-Indian Institute of Toxicology Research; , Lucknow, India
                [d ]Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney; , Sydney, Australia
                [e ]Department of Civil & Environmental Engineering, National University of Singapore, Environmental Research Institute; , Singapore, Singapore
                [f ]Swedish Centre for Resource Recovery, University of Borås; , Borås, Sweden
                Author notes
                CONTACT Dr. Sunita Varjani drsvs18@ 123456gmail.com Scientific Officer, Gujarat Pollution Control Board, Paryavaran Bhavan, CHH Road, Sector 10A; , Gandhinagar – 382 010, Gujarat, India
                [*]

                Both auhors have contributed equally.

                Author information
                https://orcid.org/0000-0001-6966-7768
                Article
                1863034
                10.1080/21655979.2020.1863034
                8806354
                33356799
                a1e2b215-acb4-43ea-a15c-1b261527477f
                © 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Page count
                Figures: 3, Tables: 4, References: 155, Pages: 18
                Categories
                Review
                Review

                Biomedical engineering
                industrial process,dye industry wastewater,waste generation,advanced wastewater treatments,microbial degradation,resource recovery

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