Preprint Article Version 1 This version is not peer-reviewed

Synthesis of Binderless ZK-4 Zeolite Microspheres at High Temperature

Version 1 : Received: 17 September 2018 / Approved: 17 September 2018 / Online: 17 September 2018 (11:29:58 CEST)

A peer-reviewed article of this Preprint also exists.

Fawaz, E.G.; Salam, D.A.; Nouali, H.; Deroche, I.; Rigolet, S.; Lebeau, B.; Daou, T.J. Synthesis of Binderless ZK-4 Zeolite Microspheres at High Temperature. Molecules 2018, 23, 2647. Fawaz, E.G.; Salam, D.A.; Nouali, H.; Deroche, I.; Rigolet, S.; Lebeau, B.; Daou, T.J. Synthesis of Binderless ZK-4 Zeolite Microspheres at High Temperature. Molecules 2018, 23, 2647.

Journal reference: Molecules 2018, 23, 2647
DOI: 10.3390/molecules23102647

Abstract

Binderless zeolite macrostructures in the form of ZK-4 microspheres were prepared using anion exchange resin beads as shape directing macrotemplates. The particles were synthesized under hydrothermal conditions at different temperatures and treatment times. The influence of the different synthesis parameters was investigated by X-ray diffraction, scanning electron microscopy, fluorescence X, nitrogen adsorption measurements and 29Si solid NMR. Fully crystalline spheres similar in size and shape to the original resin beads were obtained by a hydrothermal treatment at the highest temperatures (150 - 180 °C) for a short treatment time of 24 h. The synthesized microspheres showed to be promising in the molecular decontamination of Volatile Organic Compounds (VOCs).

Subject Areas

Zeolites; ZK-4 zeolite; Microspheres; Molecular decontamination; Volatile Organic Compounds (VOCs)

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