Comparative Study of Hydrothermal Synthesis Routes of Zeolite A
Materials Today: Proceedings 2020
Kristīne Veģere, Rita Kravcevica, Andrejs Krauklis, Tālis Juhna

Four different methods for zeolite A (Linde Type A; LTA) synthesis were investigated and compared. The four investigated synthesis methods were the microspheres, the metakaolin-based, the NaOH- accelerated metakaolin-based and the aluminosilicate gel-based methods, respectively. The impact of the hydrothermal synthesis temperature was studied at 60, 80 and 100 C was studied for each of the methods. The final product (zeolite A) was characterized and compared using XRD, SEM, EDS, FT-IR and BET. The most efficient synthesis route, resulting in the purest product, was determined to be an alu- minosilicate gel-based method (fourth) followed by a microspheres method (first), both being most effi- cient at 80 C.

Zeolite, Zeolite A, 4A, LTA, Adsorbent, Desiccant, Porous, Synthesis, Characterization

Veģere, K., Kravcevica, R., Krauklis, A., Juhna, T. Comparative Study of Hydrothermal Synthesis Routes of Zeolite A. Materials Today: Proceedings, 2020, Vol. 33, No. 4, pp.1984-1987. ISSN 2214-7853. Available from: doi:10.1016/j.matpr.2020.06.326

Publication language
English (en)
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