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).

Methods: 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-secondorder models, respectively.

Conclusion: Therefore, MCM–41 is an excellent adsorbent for wastewater treatment applications.

背景：必须从水性环境中去除含硫化合物，因为这些化合物对树脂层造成污染和对工艺设备造成腐蚀，会对人体健康，卫生管理和潜在的经济损失造成潜在的风险。

目的：这项工作旨在研究使用高表面积介孔二氧化硅（MCM–41）去除H2S的效率。

方法：在本研究中，通过溶胶-凝胶技术制备了具有1270 m2 / g高表面积和69％高孔隙率的中孔二氧化硅（MCM–41）。

结果：获得的MCM-41在从废水中吸附H2S方面表现出优异的性能，最大吸附容量为52.14 mg / g。当前的吸附过程的吸附等温线和动力学最好分别用Freundlich等温线和拟二阶模型表示。

结论：因此，MCM–41是用于废水处理应用的出色吸附剂。