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Development of Novel Fe~3~O~4~/AC@SiO~2~@1,4-DAAQ Magnetic Nanoparticles with Outstanding VOC Removal Capacity: Characterization, Optimization, Reusability, Kinetics, and Equilibrium Studies by Mehmet Şakir Ece; Sinan Kutluay; Ömer Şahin; Sabit Horoz is a Engineering article available to read on EtoBox.

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The adsorption of pollutants to the surface of adsorbents plays a critical role in the effectiveness of adsorption technology for air purification applications. Herein, novel magnetic nanoparticles functionalized with 1,4diaminoanthraquinone (1,4-DAAQ), namely, Fe 3 O 4 /activated carbon (AC)@SiO 2 @ 1,4-DAAQ, were innovatively synthesized via co-precipitation and sol-gel techniques. After that, these nanoparticles were used for high-efficiency removal of volatile organic compounds (VOCs) (i.e., benzene and toluene). The synthesized nanoparticles were characterized by various techniques such as Fourier transform IR spectroscopy, thermogravimetric analysis/differential thermal analysis, scanning electron microscopy, and Brunauer-Emmett-Teller analysis. The dynamic adsorption process of VOCs was optimized based on operating parameters. The adsorption experiments revealed that Fe 3 O 4 /AC@SiO 2 @1,4-DAAQ showed exceptional performance for the removal of VOCs. It was observed that for benzene, Fe 3 O 4 , AC, Fe 3 O 4 /AC, Fe 3 O 4 / AC@SiO 2 , and Fe 3 O 4 /AC@SiO 2 @1,4-DAAQ exhibited dynamic adsorption capacities of 180.25, 228.87, 295.84, 382.10, and 1232.77 mg/g, respectively. Add

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Author

Mehmet Şakir Ece; Sinan Kutluay; Ömer Şahin; Sabit Horoz

Publisher

American Chemical Society (ACS)

Published

2020

Language

EN

Field

Engineering (Physical Sciences)