_1574513055 1574513055 Hamid Shirkhanloo sahar.zi67@gmail.com Hamid Shirkhanloo Analytical Methods in Environmental Chemistry Journal AMECJournal 2645-5382 2645-5552 09 25 2019 2 03 10.24200/amecj.v2.i03 http://journal.amecj.com/index.php/AMECJ-01/issue/view/9 *Ali Ebrahimi Ahmad Salarifar 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 09 28 2019 79 88 http://creativecommons.org/licenses/by/4.0 10.24200/amecj.v2.i03.70 http://journal.amecj.com/index.php/AMECJ-01/article/view/70 http://journal.amecj.com/index.php/AMECJ-01/article/download/70/123 http://journal.amecj.com/index.php/AMECJ-01/article/download/70/123 http://journal.amecj.com/index.php/AMECJ-01/article/download/70/133