Evaluation of the Efficiency of Manganese Dioxide Nano-particles (MnO2) in Cadmium Removal from Aqueous Solutions

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Hosseinifard Seyed Mehdi; GHORBANI HADI

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2020 | Volume:22 | Issue:1 (92) Page(s): 293-307

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Title

Evaluation of the Efficiency of Manganese Dioxide Nano-particles (MnO2) in Cadmium Removal from Aqueous Solutions

Author(s)

Hosseinifard Seyed Mehdi | GHORBANI HADI | Issue Writer Certificate

Keywords

Cadmium RemovalQ1

Aqueous SolutionsQ1

MnO2 NanoparticlesQ1

Electrochemical SynthesisQ1

Abstract

Background: Today, heavy metals are used in many important industries and technologies, which result in the production of polluted industrial effluents that are harmful to human health and the environment. The aim of this study was to investigate the efficiency of Cadmium Removal from Aqueous Solutions using a suitable new adsorbent for manganese dioxide nanoparticles. Methods: In order to do this, manganese dioxide nanoparticles were synthesized using cathode electrochemical deposition method and the effect of pH, contact time, MnO2 concentration and cadmium concentration on Cadmium Removal efficiency were investigated in a batch system. Scanning electron microscope (SEM), XRD and FT-IR were used to identify the characterization of synthesized manganese dioxide nanoparticles. Results and Discussion: SEM results showed that the diameters of the particles were 30 to 50 nm. The other results showed that the optimum pH value for adsorption was 7. Contact time enhancement and the concentration absorbent are omitted because they make the efficiency boost. The adsorption capacity increased and the adsorption efficiency slightly increased with increasing concentration of cadmium and reducing the concentration adsorbent. Experimental data were shown the best to follow Langmuir model. Langmuir adsorption capacity, was found to be 42/016 mgg− 1. The results also showed that the absorption of cadmium was obeyed from pseudo-second-order kinetic model. The overall results showed that the use of manganese dioxide nanoparticles was a suitable method with high potential for removal of cadmium from Aqueous Solutions.

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APA: Copy

Hosseinifard, Seyed Mehdi, & GHORBANI, HADI. (2020). Evaluation of the Efficiency of Manganese Dioxide Nano-particles (MnO2) in Cadmium Removal from Aqueous Solutions. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 22(1 (92) ), 293-307. SID. https://sid.ir/paper/359937/en

Vancouver: Copy

Hosseinifard Seyed Mehdi, GHORBANI HADI. Evaluation of the Efficiency of Manganese Dioxide Nano-particles (MnO2) in Cadmium Removal from Aqueous Solutions. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2020;22(1 (92) ):293-307. Available from: https://sid.ir/paper/359937/en

IEEE: Copy

Seyed Mehdi Hosseinifard, and HADI GHORBANI, “Evaluation of the Efficiency of Manganese Dioxide Nano-particles (MnO2) in Cadmium Removal from Aqueous Solutions,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 22, no. 1 (92) , pp. 293–307, 2020, [Online]. Available: https://sid.ir/paper/359937/en

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