Adsorption of Fluoride Gases in Aluminum Production using Nano Technology
Publish place: 3rd Iran International Aluminium Conference (IIAC2014)
Publish Year: 1393
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IIAC03_015
تاریخ نمایه سازی: 9 فروردین 1395
Abstract:
HF,Cf4,C2F6 and SiF4 are the main gaseous fluorides evolved in the Hall-Heroult process. However, the major contributor of fluoride is HF. Since these gases are very toxic, they must be adsorbed from environment. In this research, adsorption of HF,Cf4,C2F6 and SiF4 in aluminium smelter is discussed and compared. Due to the capability of nanotubes in gas adsorption, this study has been conducted to figure out the adsorption of fluoride gases on (8,8) armchair carbon nanotubes (CNTs). Lennard-Jones potential was used for gas-gas and gas-carbon nanotube interactions. In addition, the potential parameters for the carbon-gas and carbon-carbon interactions were obtained from the Lorenz-Berthelot combining rules. The simulation results showed that this adsorption can be a possible solution for separation of toxic gases from environment. The proposed method provides a new horizon in the aluminium industry
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Authors
Kambiz Bordbari
Materials Science and Engineering Department, Shahid Bahonar University of Kerman, P.O. Box: 76135-133, Kerman, Iran
Mohsen Ameri Siahooei
Almahdi-Hormozal Aluminium Smelter, Bandar abass, P.O. Box: 79171-7-6385, Iran
Ahmad Irannejad
Materials Science and Engineering Department, Shahid Bahonar University of Kerman, P.O. Box: 76135-133, Kerman, Iran
Gholam Reza Khayati
Materials Science and Engineering Department, Shahid Bahonar University of Kerman, P.O. Box: 76135-133, Kerman, Iran
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