Disassembling diatom to MCM-22 zeolite using vapor-phase transport synthesis

The MCM-22 zeolite was produced using diatom as the green silica source through the vapor phase transport assisted-synthesis. This study shows that this process is essential as, in classical rotation conditions, only an amorphous material is produced. The diatomite-MCM-22 zeolite catalytic activity...

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Bibliographic Details
Published in:Journal of porous materials 2021-02, Vol.28 (1), p.1-8
Main Authors: Andrieu, Lucille, Gomes, Jaíne Fernandes, Bernardo-Gusmão, Katia, de Souza, Michèle Oberson, Schwanke, Anderson Joel
Format: Article
Language:English
Subjects:
Amorphous materials
Catalysis
Catalytic activity
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Diatomaceous earth
High density polyethylenes
Physical Chemistry
Silica fume
Silicon dioxide
Synthesis
Vapor phases
Zeolites
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Summary:The MCM-22 zeolite was produced using diatom as the green silica source through the vapor phase transport assisted-synthesis. This study shows that this process is essential as, in classical rotation conditions, only an amorphous material is produced. The diatomite-MCM-22 zeolite catalytic activity was tested in the degradation of low and high-density polyethylene as a probe reaction. The results obtained were similar to those obtained with an MCM-22 synthesized with commercial fumed silica.
ISSN:1380-2224
1573-4854
DOI:10.1007/s10934-020-00961-6