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Zeolite RHO Synthesis Accelerated by Ultrasonic Irradiation Treatment

Ng TYS 1 , Chew TL 2 , Yeong YF 1 , Jawad ZA 3 , Ho CD 4

Affiliations 

  • 1 Department of Chemical Engineering, Faculty of Engineering, Universiti Teknologi PETRONAS, 32610, Seri Iskandar, Perak, Malaysia
  • 2 Department of Chemical Engineering, Faculty of Engineering, Universiti Teknologi PETRONAS, 32610, Seri Iskandar, Perak, Malaysia. thiamleng.chew@utp.edu.my
  • 3 Curtin University Malaysia, Faculty of Engineering and Science, Chemical Engineering Department, 250CDT, 98009, Miri, Sarawak, Malaysia
  • 4 Department of Chemical and Materials Engineering, Tamkang University, New Taipei City, 25137, Taiwan
Sci Rep, 2019 10 21;9(1):15062.
PMID: 31636339 DOI: 10.1038/s41598-019-51460-x

Abstract

In recent years, there are increasing interest on applying ultrasonic irradiation for the synthesis of zeolite due to its advantages including remarkable shortened synthesis duration. In this project, the potential of ultrasonic irradiation treatment on the synthesis of zeolite RHO was investigated. Ultrasonic irradiation treatment time was varied from 30 to 120 minutes for the synthesis of zeolite RHO. The zeolite RHO solid samples were characterized with X-ray Diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), Fourier Transform Infrared Spectroscopy (FTIR), Thermogravimetric Analysis (TGA) and nitrogen adsorption-desorption analysis. The application of ultrasonic irradiation treatment in this study has accelerated the synthesis of zeolite RHO where the synthesis duration has been significantly shortened to 2 days compared to 8 days required by conventional hydrothermal heating without ultrasonic irradiation treatment. Highly crystalline zeolite RHO crystals in truncated octahedron morphology were successfully formed.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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