Survey of Nickel (II) Adsorption in Aqueous Solutions Using Rock Wool Waste

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ABOLHASANI MOHAMMAD HADI; PIRESTANI NILOOFAR; ESLAMI ALI

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Title

Survey of Nickel (II) Adsorption in Aqueous Solutions Using Rock Wool Waste

Author(s)

ABOLHASANI MOHAMMAD HADI | PIRESTANI NILOOFAR | ESLAMI ALI | Issue Writer Certificate

Keywords

Rock Wool WasteQ2

Nickel (II) AdsorptionQ1

IsothermQ1

Abstract

Background and Aim: Increasing levels of toxic heavy metals in the environment have led to risks to the health of humans and living organisms. Materials and Methods: First, some characteristics of rock wool including pH, EC, pHZPC, chemical composition, structure, and morphology were determined using XRD, XRF, and Scanning Electron Microscopy (SEM). Adsorbing tests were then conducted in a non-continuous reactor using synthetic solutions containing nickel. Optimum adsorption conditions were determined concerning pH, metal initial concentration, contact time, and adsorbent dose. The data were analyzed in a completely randomized block design. Results: The highest adsorption was seen at pH=5 and the lowest at pH=3, with a significant difference. The absorption rate was significantly higher in the 5 mg/l solutions than in other concentrations and the lowest was observed at 100 mg/l concentration. The lowest nickel adsorption rate was observed in 5 min and the highest adsorption efficiency was observed in 90 min, with a significant difference. The adsorption percentage of Rock Wool Waste at the 10 g/l doses was significantly higher than that in other adsorbent doses and the lowest adsorption percentage was observed at the 1 g/l dose. The Isotherm studies showed that the adsorption of nickel by Rock Wool Waste was consistent with the Freundlich model. Conclusion: It can be concluded that Rock Wool Waste could remove nickel from industrial effluents.

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APA: Copy

ABOLHASANI, MOHAMMAD HADI, PIRESTANI, NILOOFAR, & ESLAMI, ALI. (2021). Survey of Nickel (II) Adsorption in Aqueous Solutions Using Rock Wool Waste. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, 6(4 ), 346-359. SID. https://sid.ir/paper/399510/en

Vancouver: Copy

ABOLHASANI MOHAMMAD HADI, PIRESTANI NILOOFAR, ESLAMI ALI. Survey of Nickel (II) Adsorption in Aqueous Solutions Using Rock Wool Waste. JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH[Internet]. 2021;6(4 ):346-359. Available from: https://sid.ir/paper/399510/en

IEEE: Copy

MOHAMMAD HADI ABOLHASANI, NILOOFAR PIRESTANI, and ALI ESLAMI, “Survey of Nickel (II) Adsorption in Aqueous Solutions Using Rock Wool Waste,” JOURNAL OF RESEARCH IN ENVIRONMENTAL HEALTH, vol. 6, no. 4 , pp. 346–359, 2021, [Online]. Available: https://sid.ir/paper/399510/en

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