Synthesis of Copper Oxide Nanowires-Activated Carbon (AC@CuO-NWs) and Applied for Removal Methylene Blue from Aqueous Solution: Kinetics, Isotherms, and Thermodynamics

Sivarama Krishna Lakkaboyana, Soontarapa Khantong, Nabel Kalel Asmel, Ali Yuzir, Wan Zuhairi Wan Yaacob

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2 Citations (Scopus)

Abstract

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.

Original languageEnglish
JournalJournal of Inorganic and Organometallic Polymers and Materials
DOIs
Publication statusPublished - 1 Jan 2019

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Copper oxides
Methylene Blue
Activated carbon
Nanowires
Isotherms
Thermodynamics
Adsorption
Kinetics
Nanocomposites
X ray diffraction analysis
Scanning electron microscopy
Physisorption
Water treatment
Nanostructured materials
Wastewater treatment
Particle swarm optimization (PSO)
Adsorbents
Coloring Agents
Dyes
Wire

Keywords

  • Activated carbon
  • Copper oxide
  • Dye removal
  • Methylene blue
  • Nanocomposite

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

@article{df94669eb015480f8c03e1a5a5005a38,
title = "Synthesis of Copper Oxide Nanowires-Activated Carbon (AC@CuO-NWs) and Applied for Removal Methylene Blue from Aqueous Solution: Kinetics, Isotherms, and Thermodynamics",
abstract = "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.",
keywords = "Activated carbon, Copper oxide, Dye removal, Methylene blue, Nanocomposite",
author = "Lakkaboyana, {Sivarama Krishna} and Soontarapa Khantong and Asmel, {Nabel Kalel} and Ali Yuzir and {Wan Yaacob}, {Wan Zuhairi}",
year = "2019",
month = "1",
day = "1",
doi = "10.1007/s10904-019-01128-w",
language = "English",
journal = "Journal of Inorganic and Organometallic Polymers and Materials",
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TY - JOUR

T1 - Synthesis of Copper Oxide Nanowires-Activated Carbon (AC@CuO-NWs) and Applied for Removal Methylene Blue from Aqueous Solution

T2 - Kinetics, Isotherms, and Thermodynamics

AU - Lakkaboyana, Sivarama Krishna

AU - Khantong, Soontarapa

AU - Asmel, Nabel Kalel

AU - Yuzir, Ali

AU - Wan Yaacob, Wan Zuhairi

PY - 2019/1/1

Y1 - 2019/1/1

N2 - 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.

AB - 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.

KW - Activated carbon

KW - Copper oxide

KW - Dye removal

KW - Methylene blue

KW - Nanocomposite

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