Ultrasound-assisted Solid-liquid Trap Phase Extraction based on Functionalized Multi Wall Carbon Nanotubes for Preconcentration and Separation of Nickel in Petrochemical Waste Water
- Authors: Hamid Shirkhanloo 1, Kheirolnesa Merchant 2, Mostafa Dehghani Mobarake 3
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Affiliations:
- Department of Analytical Chemistry, Research Institute of Petroleum Industry (RIPI)
- Amirkabir University of Technology (AUT), Engineering Department
- Energy Research Center, Renewable Energy Department, Research Institute of Petroleum Industry (RIPI)
- Issue: Vol 74, No 9 (2019)
- Pages: 865-876
- Section: Articles
- URL: https://journals.rcsi.science/1061-9348/article/view/183299
- DOI: https://doi.org/10.1134/S1061934819090090
- ID: 183299
Cite item
Abstract
In this study, a novel sorbent based on phenylsulfonic acid functionalized multiwall carbon nanotubes (MWCNTs-Ph-SO3H) was used for preconcentration and separation of trace Ni(II) ions in petrochemical wastewater samples by ultrasound-assisted solid-liquid trap phase extraction. In this work, a mixture of MWCNTs-Ph-SO3H as a nanosorbent and ionic liquid (1-hexyl-3-methylimidazolium hexafluorophosphate, IL) dispersed in acetone was rapidly injected by a syringe into 50 mL of a sample containing Ni(II). The metal was extracted by sulfonate group as (RSO3)2-Ni at optimized pH. After shaking and centrifuging, the nanoparticles of sorbent were trapped in IL phase and settled down in a conical centrifuge tube (IL/MWCNTs-Ph-SO3H). Hydrophobic IL was used to fast trap the Ni(II) loaded sorbent from the sample solution. Under the optimized conditions, the linear range (peak area), limit of detection and enrichment factor were obtained as 1.5–165 μg/L, 0.35 μg/L and 50, respectively.
About the authors
Hamid Shirkhanloo
Department of Analytical Chemistry, Research Institute of Petroleum Industry (RIPI)
Author for correspondence.
Email: hamidshirkhanloo@yahoo.ca
Iran, Islamic Republic of, Tehran, P.O. Box 14857-33111
Kheirolnesa Merchant
Amirkabir University of Technology (AUT), Engineering Department
Email: hamidshirkhanloo@yahoo.ca
Iran, Islamic Republic of, Tehran
Mostafa Dehghani Mobarake
Energy Research Center, Renewable Energy Department, Research Institute of Petroleum Industry (RIPI)
Email: hamidshirkhanloo@yahoo.ca
Iran, Islamic Republic of, Tehran, P.O. Box 14665-1998