Air pollution Analysis: Nickel paste on Multi-walled carbon nanotubes as novel adsorbent for the mercury removal from air

Vol 2, Issue 03, Pages 79-88,*** Field: Air Pollution Analysis

  • *Ali Ebrahimi, Corresponding Author Occupational Health Engineering Department, School of Public Health, Qom University of Medical Sciences, Qom, Iran
  • Ahmad Salarifar Environmental Engineering, Faculty of Natural Resources, Islamic Azad University, Bandar Abbas Branch
DOI: https://doi.org/10.24200/amecj.v2.i03.70
Keywords: Mercury, Removal from air, Nickel coated on multi-walled carbon nanotubes, Adsorption, Solid-gas phase removal

Abstract

Mercury as a hazardous material caused health problem in humans.In this study,mercury vapor removed from air by nickel-coated on multi-walled carbon nanotubes(Ni-MWCNTs)as a novel sorbent.Amalgamation of mercury with Ni-MWCNTs was achieved by solid-gas phase removal method(SGPR).In bench scale set up, the mercury vapor generated and moved to sorbent at optimized flow rate.After thermal desorption of Ni-MWCNTs at 200oC, the mercury vapor flowed to quartz glass cell with argon gas and determined by cold vapor atomic absorption spectrometer technique(CV-AAS).In optimized conditions,25 mg of Ni-MWCNTs and MWCNTs with different size from 30-100nm was used.The adsorption capacity of sorbents was obtained 194 mg g-1 and 64 mg g-1,respectively.The efficient recovery was obtained at optimized conditions such as, temperature of 25-40 and flow rate of 200 mL min-1.So, Ni-MWCNTs had good potential for removal of mercury vapor from the air and can be used as a low cost and efficient sorbent in industrial workplace

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Published
2019-09-28
How to Cite
Ebrahimi, *Ali, & Salarifar, A. (2019). Air pollution Analysis: Nickel paste on Multi-walled carbon nanotubes as novel adsorbent for the mercury removal from air. Analytical Methods in Environmental Chemistry Journal, 2(03), 79-88. https://doi.org/10.24200/amecj.v2.i03.70
Issue
Vol 2 No 03 (2019): Issue No. Three
Section
Original Article

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