Staff View: Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics

Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics

In the present study, we focused on the synthesis of copper oxide nanowires decorated on activated carbon (AC@CuO-NWs) for the removal of methylene blue (MB) from aqueous solutions. The AC@CuO-NWs nanocomposite is synthesized via simple precipitation method and characterized by using various techniq...

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Main Authors:	Lakkaboyana, Sivarama Krishna, Khantong, Soontarapa, Asmel, Nabel Kalel, Yuzir, Ali, Wan Yaacob, Wan Zuhairi
Format:	Article
Published:	Springer New York LLC 2019
Subjects:	TA Engineering (General). Civil engineering (General)
Online Access:	http://eprints.utm.my/id/eprint/89385/ http://dx.doi.org/10.1007/s10904-019-01128-w
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spelling	my.utm.893852021-02-22T06:04:30Z http://eprints.utm.my/id/eprint/89385/ Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics Lakkaboyana, Sivarama Krishna Khantong, Soontarapa Asmel, Nabel Kalel Yuzir, Ali Wan Yaacob, Wan Zuhairi TA Engineering (General). Civil engineering (General) In the present study, we focused on the synthesis of copper oxide nanowires decorated on activated carbon (AC@CuO-NWs) for the removal of methylene blue (MB) from aqueous solutions. The AC@CuO-NWs nanocomposite is synthesized via simple precipitation method and characterized by using various techniques which includes scanning electron microscopy (SEM), Energy-dispersive X-ray spectroscopy (EDX), and X-rays diffraction analysis (XRD). XRD results confirmed the monoclinic structure of CuO-NWs with the average crystalline size ~ 17.48 nm. The SEM images indicated the wire-like structure and EDX analysis confirms the CuO nanomaterial. The SEM image shows that nanowires are agglomerated to form like flower shape. The batch adsorption experiments were optimized using various parameters such as pH, contact time, initial dye concentration, kinetic and isotherm studies. The results showed that the adsorption processes were well fitted with the PSO model. The adsorption equilibrium experimental data fitted to the Langmuir models with a maximum adsorption capacity of 141.73 mg/g at 328 K. The thermodynamics results reveal that the adsorption processes are spontaneous and endothermic in nature. The high negative value of ΔG° and a low value of ΔH° show the feasibility with physisorption and endothermic nature of the adsorption process. The acquire results indicating that AC@CuO-NWs based nanocomposite is having the high MB adsorption capacity in short equilibrium period and good substitute as the low-cost adsorbent in wastewater treatment. The synthesis of AC@CuO-NWs nanocomposite material is simple, easy and scale-up that might be efficiently used in water treatment technologies. Springer New York LLC 2019-09-01 Article PeerReviewed Lakkaboyana, Sivarama Krishna and Khantong, Soontarapa and Asmel, Nabel Kalel and Yuzir, Ali and Wan Yaacob, Wan Zuhairi (2019) Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics. Journal of Inorganic and Organometallic Polymers and Materials, 29 (5). pp. 1658-1668. ISSN 1574-1443 http://dx.doi.org/10.1007/s10904-019-01128-w DOI:10.1007/s10904-019-01128-w
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TA Engineering (General). Civil engineering (General)
spellingShingle	TA Engineering (General). Civil engineering (General) Lakkaboyana, Sivarama Krishna Khantong, Soontarapa Asmel, Nabel Kalel Yuzir, Ali Wan Yaacob, Wan Zuhairi Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics
description	In the present study, we focused on the synthesis of copper oxide nanowires decorated on activated carbon (AC@CuO-NWs) for the removal of methylene blue (MB) from aqueous solutions. The AC@CuO-NWs nanocomposite is synthesized via simple precipitation method and characterized by using various techniques which includes scanning electron microscopy (SEM), Energy-dispersive X-ray spectroscopy (EDX), and X-rays diffraction analysis (XRD). XRD results confirmed the monoclinic structure of CuO-NWs with the average crystalline size ~ 17.48 nm. The SEM images indicated the wire-like structure and EDX analysis confirms the CuO nanomaterial. The SEM image shows that nanowires are agglomerated to form like flower shape. The batch adsorption experiments were optimized using various parameters such as pH, contact time, initial dye concentration, kinetic and isotherm studies. The results showed that the adsorption processes were well fitted with the PSO model. The adsorption equilibrium experimental data fitted to the Langmuir models with a maximum adsorption capacity of 141.73 mg/g at 328 K. The thermodynamics results reveal that the adsorption processes are spontaneous and endothermic in nature. The high negative value of ΔG° and a low value of ΔH° show the feasibility with physisorption and endothermic nature of the adsorption process. The acquire results indicating that AC@CuO-NWs based nanocomposite is having the high MB adsorption capacity in short equilibrium period and good substitute as the low-cost adsorbent in wastewater treatment. The synthesis of AC@CuO-NWs nanocomposite material is simple, easy and scale-up that might be efficiently used in water treatment technologies.
format	Article
author	Lakkaboyana, Sivarama Krishna Khantong, Soontarapa Asmel, Nabel Kalel Yuzir, Ali Wan Yaacob, Wan Zuhairi
author_facet	Lakkaboyana, Sivarama Krishna Khantong, Soontarapa Asmel, Nabel Kalel Yuzir, Ali Wan Yaacob, Wan Zuhairi
author_sort	Lakkaboyana, Sivarama Krishna
title	Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics
title_short	Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics
title_full	Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics
title_fullStr	Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics
title_full_unstemmed	Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics
title_sort	synthesis of copper oxide nanowires-activated carbon (ac@cuo-nws) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics
publisher	Springer New York LLC
publishDate	2019
url	http://eprints.utm.my/id/eprint/89385/ http://dx.doi.org/10.1007/s10904-019-01128-w
_version_	1692991778063384576
score	13.211869

Synthesis of copper oxide nanowires-activated carbon (AC@CuO-NWs) and applied for removal methylene blue from aqueous solution: kinetics, isotherms, and thermodynamics

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