Removal of Zinc from Aqueous Solutions Using Manganese Dioxide Nanoparticles

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HOSSEINIFARD MEHDI; GHORBANI HADI

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2018 | Volume:20 | Issue:2 (77) Page(s): 109-123

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Title

Removal of Zinc from Aqueous Solutions Using Manganese Dioxide Nanoparticles

Author(s)

HOSSEINIFARD MEHDI | GHORBANI HADI | Issue Writer Certificate

Keywords

ZincRemovalQ1

Aqueous SolutionsQ1

Cathodic Electrochemical DepositionQ1

MnO2 NanoparticlesQ1

Abstract

Background and Objective: Water pollution with heavy metals is one of the most important problems of environment. The objectives of this research were to synthesis Manganese dioxide nanoparticles and determining its efficiency in the removal of zinc from Aqueous Solutions. Method: 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. Findings: SEM results showed that the diameter of the particles was 30 to 50 nm. The other results showed that the optimum pH value for adsorption was 6. Contact time enhancement and the concentration of absorbent are omitted because they make the efficiency boost. The adsorption capacity increased and the adsorption efficiency slightly increased with increasing concentration of zinc and reducing the concentration adsorbent. Experimental data were shown the best to follow Langmuir model. Langmuir adsorption capacity, was found to be 285/71 mgg− 1. The results also showed that the absorption of zinc was obeyed from pseudo-second-order kinetic model. Discussion and Conclusion: The overall results showed that the use of manganese dioxide nanoparticles was a suitable method with high potential for removal of zinc from Aqueous Solutions.

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APA: Copy

HOSSEINIFARD, MEHDI, & GHORBANI, HADI. (2018). Removal of Zinc from Aqueous Solutions Using Manganese Dioxide Nanoparticles. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 20(2 (77) ), 109-123. SID. https://sid.ir/paper/86935/en

Vancouver: Copy

HOSSEINIFARD MEHDI, GHORBANI HADI. Removal of Zinc from Aqueous Solutions Using Manganese Dioxide Nanoparticles. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2018;20(2 (77) ):109-123. Available from: https://sid.ir/paper/86935/en

IEEE: Copy

MEHDI HOSSEINIFARD, and HADI GHORBANI, “Removal of Zinc from Aqueous Solutions Using Manganese Dioxide Nanoparticles,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 20, no. 2 (77) , pp. 109–123, 2018, [Online]. Available: https://sid.ir/paper/86935/en

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