Naslov
DETOXIFICATION OF WATER CONTAINING PHENOL BY CATALYTIC OXIDATION WITH AIR AND HYDROGEN PEROXIDE OVER Cu/13X CATALYST

Autori
Wittine, Ozren ; Vasić Rački, Đurđa ; Zrnčević, Stanka

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
CRETE 2012, 3rd International Confwerence on Industrial and Hazardous Waste Management / Gidarakos, Evangelos ; Cossu, Raffaello ; Stegmann, Rainer - Chania : Technical University of Crete, 2012, 449-457

ISBN
978-960-8475-17-5

Skup
3rd International Confwerence on Industrial and Hazardous Waste Management

Mjesto i datum
Khania, Grčka, 12.09.2012. - 14.09.2012

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Catalytic oxidation; CWAO; CWPO; PP-CWAO; zeolite; phenol

Sažetak
In this work catalytic activity and stability of Cu/13X zeolite in PP CWAO of phenol was examined. Catalyst samples were prepared by ion exchange method of the protonic form of commercial zeolite. To increase stability of catalysts few samples were calcined at 1023 K. The catalysts were characterized by powder X-ray diffraction (XRD), AAS, while the adsorption techniques were used for the measurement of the specific surface area. The catalytic tests were carried out in a stainless steel Parr reactor in batch operation mode at constant mass of catalyst (0.5 g) different temperatures (323-353 K) and different air pressure (2-20 bar). The initial concentration of phenol was 0.01 mol dm-3 while the concentration of hydrogen peroxide varies from 0.01 mol dm-3 to 0.14 mol dm-3. It was found that the PP CWAO process leads to higher pollutant removal conversions than the CWAO and CWPO processes. The results were influenced by the Ph: H2O2 : air molar ratio. A synergistic effect was found when H2O2 is combined with air which leads to higher mineralization of the phenol.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo

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