Unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants

The azo dyes released into water from different industries are accumulating in the water bodies and bioaccumulating within living systems thereby affecting environmental health. This is a major concern in developing countries where stringent regulations are not followed for the discharge of industri...

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Autores principales:	Jaya Gangwar, Joseph Kadanthottu Sebastian
Formato:	article
Lenguaje:	EN
Publicado:	IWA Publishing 2021
Materias:	azo dyes dye degradation green synthesis nanoparticle toxicity water pollution Environmental technology. Sanitary engineering TD1-1066
Acceso en línea:	https://doaj.org/article/65a1a909a62e45178e5052409268ca74
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spelling	oai:doaj.org-article:65a1a909a62e45178e5052409268ca742021-12-02T07:41:19ZUnlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants0273-12231996-973210.2166/wst.2021.430https://doaj.org/article/65a1a909a62e45178e5052409268ca742021-11-01T00:00:00Zhttp://wst.iwaponline.com/content/84/10-11/3286https://doaj.org/toc/0273-1223https://doaj.org/toc/1996-9732The azo dyes released into water from different industries are accumulating in the water bodies and bioaccumulating within living systems thereby affecting environmental health. This is a major concern in developing countries where stringent regulations are not followed for the discharge of industrial waste into water bodies. This has led to the accumulation of various pollutants including dyes. As these developing countries also face acute water shortages and due to the lack of cost-effective systems to remove these pollutants, it is essential to remove these toxic dyes from water bodies, eradicate dyes, or generate fewer toxic derivatives. The photocatalysis mechanism of degradation of azo dyes has gained importance due to its eco-friendly and non-toxic roles in the environment. The zinc nanoparticles act as photocatalysts in combination with plant extracts. Plant-based nanoparticles over the years have shown the potential to degrade dyes efficiently. This is carried out by adjusting the dye and nanoparticle concentrations and combinations of nanoparticles. Our review article considers increasing the efficiency of degradation of dyes using zinc oxide (ZnO) nanoparticles and understanding the photocatalytic mechanisms in the degradation of dyes and the toxic effects of these dyes and nanoparticles in different tropic levels. HIGHLIGHTS The review focuses on green synthesis of metallic ZnO nanoparticles.; Dye degradation by greener and cost-effective approach is the need for many developing countries.; Green synthesised ZnO nanoparticle photocatalysis mechanism is reviewed comprehensively.; Toxicity of dyes and ZnO nanoparticles at tropic levels is highlighted.;Jaya GangwarJoseph Kadanthottu SebastianIWA Publishingarticleazo dyesdye degradationgreen synthesisnanoparticletoxicitywater pollutionEnvironmental technology. Sanitary engineeringTD1-1066ENWater Science and Technology, Vol 84, Iss 10-11, Pp 3286-3310 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	azo dyes dye degradation green synthesis nanoparticle toxicity water pollution Environmental technology. Sanitary engineering TD1-1066
spellingShingle	azo dyes dye degradation green synthesis nanoparticle toxicity water pollution Environmental technology. Sanitary engineering TD1-1066 Jaya Gangwar Joseph Kadanthottu Sebastian Unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants
description	The azo dyes released into water from different industries are accumulating in the water bodies and bioaccumulating within living systems thereby affecting environmental health. This is a major concern in developing countries where stringent regulations are not followed for the discharge of industrial waste into water bodies. This has led to the accumulation of various pollutants including dyes. As these developing countries also face acute water shortages and due to the lack of cost-effective systems to remove these pollutants, it is essential to remove these toxic dyes from water bodies, eradicate dyes, or generate fewer toxic derivatives. The photocatalysis mechanism of degradation of azo dyes has gained importance due to its eco-friendly and non-toxic roles in the environment. The zinc nanoparticles act as photocatalysts in combination with plant extracts. Plant-based nanoparticles over the years have shown the potential to degrade dyes efficiently. This is carried out by adjusting the dye and nanoparticle concentrations and combinations of nanoparticles. Our review article considers increasing the efficiency of degradation of dyes using zinc oxide (ZnO) nanoparticles and understanding the photocatalytic mechanisms in the degradation of dyes and the toxic effects of these dyes and nanoparticles in different tropic levels. HIGHLIGHTS The review focuses on green synthesis of metallic ZnO nanoparticles.; Dye degradation by greener and cost-effective approach is the need for many developing countries.; Green synthesised ZnO nanoparticle photocatalysis mechanism is reviewed comprehensively.; Toxicity of dyes and ZnO nanoparticles at tropic levels is highlighted.;
format	article
author	Jaya Gangwar Joseph Kadanthottu Sebastian
author_facet	Jaya Gangwar Joseph Kadanthottu Sebastian
author_sort	Jaya Gangwar
title	Unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants
title_short	Unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants
title_full	Unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants
title_fullStr	Unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants
title_full_unstemmed	Unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants
title_sort	unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants
publisher	IWA Publishing
publishDate	2021
url	https://doaj.org/article/65a1a909a62e45178e5052409268ca74
work_keys_str_mv	AT jayagangwar unlockingthepotentialofbiosynthesizedzincoxidenanoparticlesfordegradationofsyntheticorganicdyesaswastewaterpollutants AT josephkadanthottusebastian unlockingthepotentialofbiosynthesizedzincoxidenanoparticlesfordegradationofsyntheticorganicdyesaswastewaterpollutants
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Unlocking the potential of biosynthesized zinc oxide nanoparticles for degradation of synthetic organic dyes as wastewater pollutants

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