The effect of water recovery on the ion flotation process efficiency

• Autorzy: Hoseinian Fatemeh Sadat , Rezai Bahram , Kowsari Elaheh , Safari Mehdi

Identyfikatory

DOI

10.37190/ppmp/126990

• Języki publikacji: EN

Abstrakty

EN

The present study deals with nickel ions removal from dilute aqueous solution by ion flotation with emphasizing the process efficiency. The effect of collector structure on ion flotation efficiency and water recovery was evaluated using anionic collectors of sodium dodecyl sulfate (SDS) and functionalized graphene oxide by 2,6-diaminopyridine (AFGO). The results showed that process efficiency enhanced with the increase in pH and reached to complete removal at pH of 9 and 9.7 for SDS and AFGO, respectively. The AFGO showed the multifunctional bindings for complex formations with nickel ions. A coordinate bond may be formed between nickel ions and AFGO at the pH of 9 which increased nickel ion removal. The water recovery as a critical parameter that contributes to removal efficiency was significantly affected by the collector structure. The AFGO doesn’t have a frothing property and so decreases the water recovery during the process. The AFGO had significantly lower water recovery than SDS (almost threefold).

Słowa kluczowe

EN

ion flotation; collector structure; process efficiency; wastewater; water recovery

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2020
• Tom: Vol. 56, iss. 5
• Strony: 919--927
• Opis fizyczny: Bibliogr. 41 poz., rys., tab.

Twórcy

autor

Hoseinian Fatemeh Sadat

• Department of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran 158754413, Iran

autor

Rezai Bahram

• Department of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran 158754413, Iran

autor

Kowsari Elaheh

• Department of Chemistry, Amirkabir University of Technology, Tehran 15916-34311, Iran

autor

Safari Mehdi

• Centre for Minerals Research, Department of Chemical Engineering, University of Cape Town, Private Bag Rondebosch, Cape Town 7700, South Africa

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