Recent Attempts on the Removal of H 2 S from Various Gas Mixtures Using Zeolites and Waste-Based Adsorbents

Mirzokhid Abdirakhimov, Mohsen H. Al-Rashed and Janusz Wójcik
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Mirzokhid Abdirakhimov: Department of Chemical Engineering and Process Design, Silesian University of Technology, 44-100 Gliwice, Poland
Mohsen H. Al-Rashed: Public Authority for Applied Education & Training, Department of Chemical Engineering, College of Technological Studies, Kuwait City 70654, Kuwait
Janusz Wójcik: Department of Chemical Engineering and Process Design, Silesian University of Technology, 44-100 Gliwice, Poland

Energies, 2022, vol. 15, issue 15, 1-20

Abstract: Natural gas, biogas, and refinery gas all include H 2 S, which has adverse effects not only on the environment and human health but also on the equipment and catalysts that are employed in the relevant processes. H 2 S is removed from the aforementioned gases using a variety of techniques in order to fulfill the necessary sales criteria and for reasons of safety. The adsorption method stands out among various other approaches due to its straightforward operation, high level of efficiency, and low overall cost. This technique makes use of a variety of adsorbents, such as metal-organic frameworks (MOFs), activated carbon, and zeolites. The use of zeolite-based adsorbents is by far the most common of these various types. This is due to the specific properties of zeolite-based adsorbents, which include a high adsorption capacity, the ability to be regenerated, a high temperature stability, a diversity of types, the possibility of modification, high efficiency, and low cost. In addition, research is being done on adsorbents that are made from inexpensive raw materials in order to remove H 2 S. This article focuses on zeolites, zeolite modifications, and wastes as an adsorbent for the removal of H 2 S, all of which have been investigated fruitfully in recent years, as well as the promising applications of zeolites.

Keywords: H 2 S removal; separation; zeolites; zeolite synthesis; adsorption; adsorbents; waste derived adsorbents; adsorption capacity (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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