Removing Toluene from Atmospheric Air by Nano-Activated Carbon Adsorbent

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Timoori Shahnaz; Hajiseyed Mirzahosseini Seyyed Alireza; SHIRKHANLOO HAMID

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Journal: Journal of Natural Environment Year:2019 | Volume:72 | Issue:1 Page(s): 45-58

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Title

Removing Toluene from Atmospheric Air by Nano-Activated Carbon Adsorbent

Author(s)

Timoori Shahnaz | Hajiseyed Mirzahosseini Seyyed Alireza | SHIRKHANLOO HAMID | Issue Writer Certificate

Keywords

Activated carbonQ1

Nano-activated carbonQ1

TolueneQ1

AdsorptionQ2

DesorptionQ1

Abstract

The extensive application of Toluene in chemical industries has led to performing several studies on decreasing Toluene vapors in the atmospheric air. This experimental study is focusing on Toluene elimination from the air by using nano-technology and also nano-Activated carbon as an alternative to NIOSH confirmed Activated carbon. Nano-Activated carbon adsorbent was synthesized and the elimination of Toluene was investigated by Activated carbon and nano-Activated carbon in both static and dynamic systems. For identifying the adsorbents morphologies and determination of primary and final concentration of Toluene, electron microscopy-model Zeiss and GAS chromatography through flame ionization detector were applied, respectively. The impact of factors such as temperature, humidity, Toluene concentration, the amount of adsorbent and contiguity time was investigated. The adsorbance capacities of nano-Activated carbon and Activated carbon for removing Toluene from the ambient temperature in the static system were 207. 6 mg/g and 185. 2 mg/g and their adsorbance efficiencies in the static system were 98. 4% and 44. 2%, respectively. Scanning Electron Microscope (SEM) images of nano-Activated carbon showed particle size of less than 100 nm while Transmission Electron Microscope (TEM) images showed particle size of 30 nm. XRD images also showed cube structure of nano-Activated carbon adsorbent. The structure of synthesized nano-Activated carbon showed vast surface of this nanomaterial for adsorbing Toluene. Adsorbance capacity in the constant humidity increases with the increment of congruity time and temperature. In optimal condition, Adsorption capacity and efficiency of nano-Activated carbon is more than Activated carbon and also nano-Activated carbon is more affordable in comparison to Activated carbon.

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APA: Copy

Timoori, Shahnaz, Hajiseyed Mirzahosseini, Seyyed Alireza, & SHIRKHANLOO, HAMID. (2019). Removing Toluene from Atmospheric Air by Nano-Activated Carbon Adsorbent. JOURNAL OF NATURAL ENVIRONMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), 72(1 ), 45-58. SID. https://sid.ir/paper/386899/en

Vancouver: Copy

Timoori Shahnaz, Hajiseyed Mirzahosseini Seyyed Alireza, SHIRKHANLOO HAMID. Removing Toluene from Atmospheric Air by Nano-Activated Carbon Adsorbent. JOURNAL OF NATURAL ENVIRONMENT (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2019;72(1 ):45-58. Available from: https://sid.ir/paper/386899/en

IEEE: Copy

Shahnaz Timoori, Seyyed Alireza Hajiseyed Mirzahosseini, and HAMID SHIRKHANLOO, “Removing Toluene from Atmospheric Air by Nano-Activated Carbon Adsorbent,” JOURNAL OF NATURAL ENVIRONMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 72, no. 1 , pp. 45–58, 2019, [Online]. Available: https://sid.ir/paper/386899/en

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