Preparation of Microporous Minerals Through Thermal Treatment: A Review

Abstract

Microporous minerals have been widely applied in industry as catalysts, cation exchangers, adsorbents, and sequestering agents. This review highlights the preparation of microporous minerals through thermal treatment, including thermal modification and thermal synthesis. The preparation processes are described in detail, while microwave irradiation as an advanced heating method is especially stated. The mechanisms by which microporous minerals are prepared by thermal modification and synthesis are separately summarized. The important parameters of affecting the thermal modification and synthesis processes are stated. Finally, the instrumental techniques to characterize microporous minerals are presented.

Keywords:

• microporous minerals
• microwave treatment
• thermal modification
• thermal synthesis

ACKNOWLEDGMENTS

The financial supports for this work from the Consejo Nacional de Ciencia y Tecnología (CONACyT) of Mexico under the grants No. 123487 and No. 92506 are gratefully acknowledged. Also, K. Ramirez would like to thank the CONACyT for offering her the scholarship under the grant No. 225618 during her Ph. D. Studying.