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Review
. 2022 Jul;22(7):e202200039.
doi: 10.1002/tcr.202200039. Epub 2022 Apr 26.

A Review on SAPO-34 Zeolite Materials for CO2 Capture and Conversion

Muhammad Usman  1 , Akram S Ghanem  2 , Syed Niaz Ali Shah  3 , Mustapha D Garba  4 , Mohd Yusuf Khan  1 , Sikandar Khan  5 , Muhammad Humayun  6 , Asim Laeeq Khan  7
Affiliations
Review

A Review on SAPO-34 Zeolite Materials for CO2 Capture and Conversion

Muhammad Usman et al. Chem Rec. 2022 Jul.

Abstract

Among several known zeolites, silicoaluminophosphate (SAPO)-34 zeolite exhibits a distinct chemical structure, unique pore size distribution, and chemical, thermal, and ion exchange capabilities, which have recently attracted considerable research attention. Global carbon dioxide (CO2 ) emissions are a serious environmental issue. Current atmospheric CO2 level exceeds 414 parts per million (ppm), which greatly influences humans, fauna, flora, and the ecosystem as a whole. Zeolites play a vital role in CO2 removal, recycling, and utilization. This review summarizes the properties of the SAPO-34 zeolite and its role in CO2 capture and separation from air and natural gas. In addition, due to their high thermal stability and catalytic nature, CO2 conversions into valuable products over single metal, bi-metallic, and tri-metallic catalysts and their oxides supported on SAPO-34 were also summarized. Considering these accomplishments, substantial problems related to SAPO-34 are discussed, and future recommendations are offered in detail to predict how SAPO-34 could be employed for greenhouse gas mitigation.

Keywords: CO2 capture; CO2 conversion; CO2 separation; SAPO-34; Zeolites.

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