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Wyszukujesz frazę "Jovanović, Ð." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Synthesis, Characterization and Application οf Al,Fe-Pillared Clays
Autorzy:
Banković, P.
Milutinović-Nikolić, A.
Jović-Jovičić, N.
Dostanić, J.
Čupić, Ž.
Lončarević, D.
Jovanović, D.
Powiązania:
https://bibliotekanauki.pl/articles/1808061.pdf
Data publikacji:
2009-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.05.C-
61.43.Gt
61.46.-w
68.43.-h
82.65.+r
Opis:
Al,Fe-pillared clay was synthesized from domestic clay from Bogovina according to a common procedure: grinding, sieving, Na exchange, pillaring, drying and calcination. Two synthesized samples differing only in calcining conditions were prepared. Phase composition and textural properties of the starting clay and synthesized pillared clays were characterized using X-ray diffraction and physisorption of nitrogen. Catalytic tests were performed using sample with better textural properties being the one submitted to milder calcining conditions. Catalytic wet peroxide oxidative degradation of aromatic compounds phenol and tartrazine on the synthesized catalyst was confirmed showing better efficiency in the case of tartrazine.
Źródło:
Acta Physica Polonica A; 2009, 115, 4; 811-815
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synthesis, Characterization and Adsorptive Properties οf Organobentonites
Autorzy:
Jović-Jovičić, N.
Milutinović-Nikolić, A.
Banković, P.
Dojčinović, B.
Nedić, B.
Gržetić, I.
Jovanović, D.
Powiązania:
https://bibliotekanauki.pl/articles/1538150.pdf
Data publikacji:
2010-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
33.20.Ea
61.05.cp
68.43.-h
78.40.-q
82.65.-r
Opis:
In this paper partial and complete substitution of cations in the interlayer region of clay with different amounts of two aliphatic ammonium cations was performed with aim of synthesis of organobentonites with multipurpose adsorption properties. Domestic clay from Bogovina was submitted according to a common procedure used for the obtention of organobentonite, which comprises the following steps: grinding, sieving, Na-exchange, cation exchange and drying. The samples were characterized by X-ray diffraction and infrared spectroscopy. The incorporation of surfactant molecules into smectite structure lead to constant increase of $d_{001}$ basal spacing. IR absorption bands assigned to methyl and methylene vibrations increased with the increase of surfactant/bentonite ratio and length of aliphatic chain in surfactant molecules. Adsorptive properties of the obtained materials were in accordance with their organophylicity: the adsorption of organic dye increased while the rate of removal of $Pb^{2+}$ by adsorption decreased.
Źródło:
Acta Physica Polonica A; 2010, 117, 5; 849-854
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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