Cu-Al-O powders prepared from zeolite precursors by combination treatment of ball milling and heating (CROSBI ID 135374)
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Podaci o odgovornosti
Kosanović, Cleo ; Stubičar, Mirko ; Mužic, Ana ; Tomašić, Nenad
engleski
Cu-Al-O powders prepared from zeolite precursors by combination treatment of ball milling and heating
By applying combination of mechanochemical and thermal treatment important materials that could be used in sensor and semiconductor technology as well in catalysis are obtained High energy ball milling was applied to prepare powder samples by treating mixture consisted of a) Cu and ammonium exchanged zeolite A and b) of CuO and ammonium exchanged zeolite A. According to X-ray powder diffraction the mechanical treatment resulted in mixture of amorphous phase and low size crystal particles. After 3h of milling the samples were isothermally treated at the appropriate temperature yielding crystalline mixtures with a dominant phase of CuAlO2. Thermal treatment of Cu-exchanged zeolite A resulted in a crystalline sample with dominant phase CuAl2O4.
zeolite A ; CuO ; Cu ; isothermal heating ; ball milling
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