Direct synthesis of ZSM-5 from kaolin and the influence of organic template
DOI:
https://doi.org/10.11113/mjfas.v13n2.652Keywords:
Crystallization time, kaolin, phase transformation, TPABr, TPAOH, ZSM-5Abstract
We investigated the transformation of kaolin to ZSM-5 using hydrothermal synthesis method and the influence of organic template as a structure-directing agent. The formation of ZSM-5 from kaolin occurred via dissolution of kaolin to form amorphous silica. Zeolite-like analcime produced when the hydrothermal treatment was extended to 18 h. We found synergistic effect of using a mixture of TPAOH and TPABr organic template to enhance kaolin dissolution, initiate ZSM-5 formation and inhibit the transformation of ZSM-5 to analcime.
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