Metal chloride anion based ionic liquids: synthesis, characterization and evaluation of performance in hydrogen sulfide oxidative absorption

Three metal chloride anion based ionic liquids (MCABILs) were synthesized and characterized for high conversion of hydrogen sulfide (H 2 S). The MCABILs were synthesized via metathesis reaction and characterized by chemical spectroscopy such as FTIR, UV-Vis and CHNS elemental analysis. Then, the per...

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Bibliographic Details
Published in:RSC advances 2022-04, Vol.12 (19), p.1196-11912
Main Authors: Aminuddin, Muhammad Syahir, Bustam Khalil, Mohamad Azmi, Abdullah, Bawadi
Format: Article
Language:English
Subjects:
Anions
Atmospheric pressure
Chemical bonds
Chemical synthesis
Chemistry
Efficiency
Hydrogen sulfide
Ionic liquids
Ions
Metal chlorides
Metathesis
Oxidation
Performance evaluation
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Summary:Three metal chloride anion based ionic liquids (MCABILs) were synthesized and characterized for high conversion of hydrogen sulfide (H 2 S). The MCABILs were synthesized via metathesis reaction and characterized by chemical spectroscopy such as FTIR, UV-Vis and CHNS elemental analysis. Then, the performance of those ionic liquids in H 2 S conversion was evaluated at various temperatures and atmospheric pressure. The results indicated remarkable efficiency of metal chloride anion based ionic liquids in H 2 S conversion. MCABILs managed to reach over 90% conversion efficiency at temperature as low as 50 °C, despite operating at atmospheric pressure. This occurs due to their high oxidation capability. The regeneration experiment indicated that all MCABILs can be recycled easily. Taken together, the research findings highlight the synthesis, characterization and high efficiency of MCABILs in promoting faster H 2 S conversion as a catalyst. Three metal chloride anion based ionic liquids (MCABILs) were synthesized and characterized for high conversion of hydrogen sulfide (H 2 S).
ISSN:2046-2069
2046-2069
DOI:10.1039/d2ra01494g