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Mechanochemically treated zeolites used as precursors for zeolite synthesis (CROSBI ID 463306)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Kosanović, Cleo ; Subotić, Boris ; Šmit, Ivan ; Tonejc, Antun ; Tonejc, Anđelka ; Stubičar, Mirko Mechanochemically treated zeolites used as precursors for zeolite synthesis // 1st Euroworkshop On Zeolites - "Zeolite Synthesis: From Dream to Production": Scientific Program and Abstracts / Francesco di Renzo (ur.). Poitiers: Federation of European Zeolite Associations, 1996. str. 16-16-x

Podaci o odgovornosti

Kosanović, Cleo ; Subotić, Boris ; Šmit, Ivan ; Tonejc, Antun ; Tonejc, Anđelka ; Stubičar, Mirko

engleski

Mechanochemically treated zeolites used as precursors for zeolite synthesis

Preparation of amorphous aluminosilicate precursors with defined chemical properties is very important factor for further studies of nucleation and crystal growth of zeolites during their thermal and hydrothermal transformation. Amorphous aluminosilicate precursors obtained by mechanochemical treatment (ball milling) of zeolite A, zeolite X and synthetic mordenite were hydrothermally treated in NaOH solution at 80o C in order to their transformation to zeolites. Depending on the alkali concentration and the temperature at which the hydrothermal transformation was taken place, the amorphous sample obtained by the amorphization of zeolite A is transformed to zeolite A and zeolite X. Amorphous precursor obtained from zeolite X is transformed to hydroxysodalite or zeolite A, and amorphous sample obtained by ball milling of synthetic mordenite is transformed to zeolite X. Chracterization of the amorphous precursors and obtained crystalline products was carried out by FTIR spectroscopy, X-ray diffractometry and scanning-electron microscopy.

zeolites; mechanochemical tretment; ball milling; amorphization; precursor; zeolite synthesis

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Podaci o prilogu

16-16-x.

1996.

objavljeno

Podaci o matičnoj publikaciji

1st Euroworkshop On Zeolites - "Zeolite Synthesis: From Dream to Production": Scientific Program and Abstracts

Francesco di Renzo

Poitiers: Federation of European Zeolite Associations

Podaci o skupu

1st Euroworkshop On Zeolites - "Zeolite Synthesis: From Dream to Production"

poster

17.03.1996-20.03.1996

La Rochelle, Francuska

Povezanost rada

Kemija