Hydrogen sulfide emission sources, regulations, and removal techniques: a review

Author:

Habeeb Omar Abed1,Kanthasamy Ramesh1,Ali Gomaa A.M.234,Sethupathi Sumathi5,Yunus Rosli Bin Mohd1

Affiliation:

1. Faculty of Chemical and Natural Resources Engineering , Universiti Malaysia Pahang , Gambang , 26300 Kuantan , Malaysia

2. Faculty of Industrial Sciences and Technology , Universiti Malaysia Pahang , Gambang , 26300 Kuantan , Malaysia

3. Chemistry Department , Faculty of Science, Al-Azhar University , Assiut 71524 , Egypt

4. Al-Azhar Center of Nanoscience and Applications (ACNA) , Al-Azhar University , Assiut 71524 , Egypt

5. Department of Environmental Engineering , Faculty of Engineering and Green Technology, Universiti Tunku Abdul Rahman , 31900 Perak , Malaysia

Abstract

Abstract This review highlights the recent technologies of H2S removal from wastewater in the petroleum refinery. H2S is a harmful, putrid, and hazardous gaseous compound. The main processes such as physicochemical, chemical, biological, and electrochemical methods were compared and discussed in detail. The effects of various parameters and adsorbent characteristics were highlighted and correlated with the adsorption capacities. Surface functional groups and porosity surface area play a crucial role in the process of single-phase and composite adsorbents. Composite materials impregnated with some metals showed high removal efficiencies. It was found that the adsorption process is the most relevant way for H2S removal due to its high removal efficiency, low cost, eco-friendly, and operational simplicity. This study serves as a useful guideline for those who are interested in H2S removal.

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering

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