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High surface area mesoporous silica for hydrogen sulfide effective removal

Ali, Gomaa A. M. and Barhoum, Ahmed and Gupta, Vinod Kumar and Nada, Amr Ahmed and El-Maghrabi, Heba and K., Ramesh and Shaaban, Essam Ramadan and Algarni, H. and K. F., Chong (2018) High surface area mesoporous silica for hydrogen sulfide effective removal. Current Nanoscience. pp. 1-9. ISSN 1573-4137 (Print); 1875-6786 (Online) (In Press)

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Abstract

Background: Removal of sulfur-containing compounds from the aqueous environment is necessary as these compounds pose potential risks to human health, hygienic management and bring great economic losses due to fouling of resin bed and corrosion of process equipment. Objective: This work aims to study the H2S removal efficiency using high surface area mesoporous silica (MCM–41). Method: In this study, mesoporous silica (MCM–41) with a high surface area of 1270 m2/g and high porosity of 69% was prepared by sol-gel technique. Results: The obtained MCM–41 has exhibited a superior performance in adsorbing H2S from wastewater with a maximum adsorption capacity of 52.14 mg/g. The adsorption isotherm and kinetics of the current adsorption process are best represented by Freundlich isotherm and pseudo-second-order models, respectively. Conclusion: Therefore, MCM–41 is an excellent adsorbent for wastewater treatment applications.

Item Type: Article
Uncontrolled Keywords: Mesoporous Silica, Sol-Gel, Hydrogen Sulfide, Adsorption, Wastewater treatment.
Subjects: Q Science > QD Chemistry
Faculty/Division: Faculty of Industrial Sciences And Technology
Depositing User: Dr. Chong Kwok Feng
Date Deposited: 15 Jan 2019 04:07
Last Modified: 15 Jan 2019 04:07
URI: http://umpir.ump.edu.my/id/eprint/23740
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