INFLUENCE OF ULTRASONIC TREATMENT ON PROPERTIES OF ZnO-MoO3 OXIDE SYSTEM
Affiliation:
1 Institute for sorption and problems of endoecology of NAS of Ukraine
13, General Naumov St., 03164 Kyiv, Ukraine;
2 Lviv Polytechnic National University
12, S.Bandery St., 79013 Lviv, Ukraine
zazhigal@ispe.kiev.ua
DOI:
https://doi.org/10.23939/chcht11.02.152
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Abstract:
The effect of zinc-molybdenum system ZnO-MoO3 (Zn:Mo = 15:85, 25:75, 50:50, 75:25) ultrasonic treatment (UST) on its physical-chemical properties was studied. With the help of XRD, FT-IR and DTA methods it was shown that such treatment forms molybdenum suboxides (Magnelli phases of Мо4О11 and Мо8О23 composition) and zinc molybdates (α-ZnMoO4, ZnMo8O10). Specific character of reagents ratio on the formation of these compounds was determined. It was shown that UST changes porous structure of the compositions – non-porous mixture of oxides transforms into composites with micro- and mesopores, resulting in the increase of specific surface and significant reduction of particles size.
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