Application of Nano-Gamma Alumina Adsorbent for Nickel and Cobalt Removal from Mining Industry Wastewater

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SOLIMANI f.; GIVIANRAD M.H.; Haghighaty A.H.

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Journal: JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY Year:2020 | Volume:21 | Issue:12 (91) Page(s): 41-56

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Information Journal Paper

Title

Application of Nano-Gamma Alumina Adsorbent for Nickel and Cobalt Removal from Mining Industry Wastewater

Author(s)

SOLIMANI f. | GIVIANRAD M.H. | Haghighaty A.H. | Issue Writer Certificate

Keywords

RemovalQ1

Nickel and CobaltQ1

industry wastewaterQ1

Nano-Gamma AluminaQ1

Abstract

Background and Objective: The development of urbanization and industries has led to an increase in sewage and wastewater production. The defective and non-standard disposal of these wastewaters has resulted in influx of large amounts of heavy metals into the environment which their Removal, as bio-irresolvable contaminants, from water and wastewater are considerably important for protecting environment and public health. Method: In this study, gamma Nano-alumina was synthesized and its structural analysis was characterized, which was applied as a high performance adsorbent for heavy metals Nickel and Cobalt. Moreover, by using DX7 software for experiment design, the effects of different conditions such as heavy metals initial concentration, Nano-adsorbent amount and pH were modified. Findings: The results of XRD, FTIR, SEM and EDX analysis, confirmed the existence of gamma Nano-alumina structure, and Nickel and Cobalt contents were determined by UV-Vis spectrophotometry method. Nano gamma alumina, as a powerful adsorbent, could be adsorbed the high levels of Nickel and Cobalt in alkaline pH-rich environments, then in experimental samples, 98. 66% of Nickel and 95. 1% of Cobalt and in real samples, 100% was eliminated. Discussion and Conclusion: It was found that synthesized gamma Nano-alumina could be considered as a cost-effective and high-performance Nano-absorbent for heavy metals elimination. Consequently, it was verified by Freundlich and Langmuir adsorption isotherms, which the adsorption process of these elements with the Nano-alumina absorbent followed by Freundlich and Langmuir adsorption equation.

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APA: Copy

SOLIMANI, f., GIVIANRAD, M.H., & Haghighaty, A.H.. (2020). Application of Nano-Gamma Alumina Adsorbent for Nickel and Cobalt Removal from Mining Industry Wastewater. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, 21(12 (91) ), 41-56. SID. https://sid.ir/paper/395919/en

Vancouver: Copy

SOLIMANI f., GIVIANRAD M.H., Haghighaty A.H.. Application of Nano-Gamma Alumina Adsorbent for Nickel and Cobalt Removal from Mining Industry Wastewater. JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY[Internet]. 2020;21(12 (91) ):41-56. Available from: https://sid.ir/paper/395919/en

IEEE: Copy

f. SOLIMANI, M.H. GIVIANRAD, and A.H. Haghighaty, “Application of Nano-Gamma Alumina Adsorbent for Nickel and Cobalt Removal from Mining Industry Wastewater,” JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, vol. 21, no. 12 (91) , pp. 41–56, 2020, [Online]. Available: https://sid.ir/paper/395919/en

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