Facile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption

This study reports the synthesis of copper–zinc binary oxide coupled cadmium tungstate through a simple bio-precipitation method followed by calcination at 600 °C and its adsorption application. The characterization analysis reveals that the prepared composite has low particles size (nano-range), hi...

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Autores principales:	Bushra Fatima, Basem Al Alwan, Sharf Ilahi Siddiqui, Rabia Ahmad, Mohammed Almesfer, Manoj Kumar Khanna, Ruby Mishra, Rangnath Ravi, Seungdae Oh
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	green synthesis binary oxide coupled cadmium tungstate water treatment adsorption Congo red Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/2bbfde477b2143de8ccd5aa54550eb7e
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spelling	oai:doaj.org-article:2bbfde477b2143de8ccd5aa54550eb7e2021-11-25T19:16:25ZFacile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption10.3390/w132232872073-4441https://doaj.org/article/2bbfde477b2143de8ccd5aa54550eb7e2021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3287https://doaj.org/toc/2073-4441This study reports the synthesis of copper–zinc binary oxide coupled cadmium tungstate through a simple bio-precipitation method followed by calcination at 600 °C and its adsorption application. The characterization analysis reveals that the prepared composite has low particles size (nano-range), high porosity, and functional groups on the surface. The calcination of sample at 600 °C causes some essential function groups to disappear on the surface. Prepared composite was found to be effective adsorptive material to treat Congo red dye in aqueous solution. 2.5 g L<sup>−1</sup> dose of adsorbent could remove more than 99% Congo red dye from 10 mg L<sup>−1</sup> solution and more than 80% Congo red dye from 60 mg L<sup>−1</sup> aqueous solution. The maximum adsorption capacity of present adsorbent was calculated to be 19.6 mg Congo red per gram of adsorbent. Isotherms analysis suggested a physio-chemical adsorption process. Thermodynamic analysis revealed a exothermic and feasible adsorption process. Adsorption rate was well explained by pseudo second order kinetics. The rate determining step was intra-particle diffusion evaluated from the Weber-Morris plot. To assess the adsorption performance of present adsorbent for Congo red dye the partition coefficient and adsorption equilibrium capacity were compared with other adsorbents. The partition coefficient and adsorption equilibrium values for 10 mg L<sup>−1</sup> aqueous solution were found to be approximately 83.3 mg g<sup>−1</sup> µM<sup>−1</sup> and 4.0 mg g<sup>−1</sup> at 30 °C and 7.0 pH using 2.5 g L<sup>−1</sup> adsorbent. The value of partition coefficient was found to be higher than previous reported zinc oxide coupled cadmium tungstate having partition coefficient = as 21.4 mg g<sup>−1</sup> µM<sup>−1</sup> at 30 °C and 7.0 pH using 2.0 g L<sup>−1</sup> adsorbent. These results suggested that present adsorption technology is efficient for wastewater treatment.Bushra FatimaBasem Al AlwanSharf Ilahi SiddiquiRabia AhmadMohammed AlmesferManoj Kumar KhannaRuby MishraRangnath RaviSeungdae OhMDPI AGarticlegreen synthesisbinary oxidecoupled cadmium tungstatewater treatmentadsorptionCongo redHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3287, p 3287 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	green synthesis binary oxide coupled cadmium tungstate water treatment adsorption Congo red Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	green synthesis binary oxide coupled cadmium tungstate water treatment adsorption Congo red Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Bushra Fatima Basem Al Alwan Sharf Ilahi Siddiqui Rabia Ahmad Mohammed Almesfer Manoj Kumar Khanna Ruby Mishra Rangnath Ravi Seungdae Oh Facile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption
description	This study reports the synthesis of copper–zinc binary oxide coupled cadmium tungstate through a simple bio-precipitation method followed by calcination at 600 °C and its adsorption application. The characterization analysis reveals that the prepared composite has low particles size (nano-range), high porosity, and functional groups on the surface. The calcination of sample at 600 °C causes some essential function groups to disappear on the surface. Prepared composite was found to be effective adsorptive material to treat Congo red dye in aqueous solution. 2.5 g L<sup>−1</sup> dose of adsorbent could remove more than 99% Congo red dye from 10 mg L<sup>−1</sup> solution and more than 80% Congo red dye from 60 mg L<sup>−1</sup> aqueous solution. The maximum adsorption capacity of present adsorbent was calculated to be 19.6 mg Congo red per gram of adsorbent. Isotherms analysis suggested a physio-chemical adsorption process. Thermodynamic analysis revealed a exothermic and feasible adsorption process. Adsorption rate was well explained by pseudo second order kinetics. The rate determining step was intra-particle diffusion evaluated from the Weber-Morris plot. To assess the adsorption performance of present adsorbent for Congo red dye the partition coefficient and adsorption equilibrium capacity were compared with other adsorbents. The partition coefficient and adsorption equilibrium values for 10 mg L<sup>−1</sup> aqueous solution were found to be approximately 83.3 mg g<sup>−1</sup> µM<sup>−1</sup> and 4.0 mg g<sup>−1</sup> at 30 °C and 7.0 pH using 2.5 g L<sup>−1</sup> adsorbent. The value of partition coefficient was found to be higher than previous reported zinc oxide coupled cadmium tungstate having partition coefficient = as 21.4 mg g<sup>−1</sup> µM<sup>−1</sup> at 30 °C and 7.0 pH using 2.0 g L<sup>−1</sup> adsorbent. These results suggested that present adsorption technology is efficient for wastewater treatment.
format	article
author	Bushra Fatima Basem Al Alwan Sharf Ilahi Siddiqui Rabia Ahmad Mohammed Almesfer Manoj Kumar Khanna Ruby Mishra Rangnath Ravi Seungdae Oh
author_facet	Bushra Fatima Basem Al Alwan Sharf Ilahi Siddiqui Rabia Ahmad Mohammed Almesfer Manoj Kumar Khanna Ruby Mishra Rangnath Ravi Seungdae Oh
author_sort	Bushra Fatima
title	Facile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption
title_short	Facile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption
title_full	Facile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption
title_fullStr	Facile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption
title_full_unstemmed	Facile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption
title_sort	facile synthesis of cu-zn binary oxide coupled cadmium tungstate (cu-znbo-cp-ct) with enhanced performance of dye adsorption
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2bbfde477b2143de8ccd5aa54550eb7e
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Facile Synthesis of Cu-Zn Binary Oxide Coupled Cadmium Tungstate (Cu-ZnBO-Cp-CT) with Enhanced Performance of Dye Adsorption

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