Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 58: Issue 3
Thermochemical Properties of Chemically Modified Zeolite
Authors: M. Földesová 1 , P. Lukáč 1 , P. Dillinger 1 , V. Balek 2 , and S. Svetík 1
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  • 1 Slovak University of Technology Faculty of Chemical Technology 81237 Bratislava Slovak Republic 81237 Bratislava Slovak Republic
  • | 2 Nuclear Research Institute Rež plc Czech Republic Rež plc Czech Republic
Pages:
671–675
Online Publication Date:
03 Nov 2004
Publication Date:
25 Dec 1999
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010121031760
Keywords:
chemically modified zeolite thermochemical properties; DTA; emanation thermal analysis; TG; zeolite
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Abstract  

Zeolites chemically modified with 1, 4 or 6 M aqueous solutions of NaOH were studied by DTA, TG and ETA (emanation thermal analysis) in the temperature range 201–200°C. The structural changes in the modified zeolites at room temperature and in the modified zeolites annealed at 1000°C were studied by XRD analysis. Thermal analysis demonstrated dehydration, dehydroxylation, structural changes and a glass transition. A gradual loss in crystallinity of the chemically modified zeolites was also observed. XRD analysis revealed structural changes caused by chemical treatment and also by annealing.

Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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