Wet oxidation of phenol catalyzed by unpromoted and platinum-promoted manganese/cerium oxide

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Manganese/cerium composite oxide (MnO2/CeO2) proved to be a potent solid catalyst for the catalytic wet oxidation (CWO) of aqueous phenol under mild treatment conditions (80-130°C, 0.5 MPa O2 pressure). Despite the fact this catalyst exhibited an important activity in eliminating completely phenol a...

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Autor principal: Hamoudi, S.
Otros Autores: Larachi, F., Cerrella, G., Cassanello, M.
Formato: Acta de conferencia Capítulo de libro
Lenguaje:Inglés
Publicado: ACS 1998
Acceso en línea:Registro en Scopus
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024 7 |2 scopus  |a 2-s2.0-0032172483 
040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
030 |a IECRE 
100 1 |a Hamoudi, S. 
245 1 0 |a Wet oxidation of phenol catalyzed by unpromoted and platinum-promoted manganese/cerium oxide 
260 |b ACS  |c 1998 
270 1 0 |m Hamoudi, Safia; Laval Univ, , Que, Canada 
506 |2 openaire  |e Política editorial 
504 |a Levee, J., Wet Oxidation Processes for Treating Industrial Wastewaters (1997) Chem. Biochem. Eng. Q., 11, p. 47 
504 |a Sadana, A., Katzer, J.R., Involvement of Free Radicals in the Aqueous-Phase Catalytic Oxidation of Phenol over Copper Oxide (1974) J. Catal., 35, p. 140 
504 |a Ohta, H., Goto, S., Teshima, H., Liquid-Phase Oxidation of Phenol in a Rotating Catalytic Basket Reactor (1980) Ind. Eng. Chem. Fundam., 19, p. 180 
504 |a Pintar, A., Levee, J., Catalytic Oxidation of Organics in Aqueous Solutions. I. Kinetics of Phenol Oxidation (1992) J. Catal., 135, p. 345 
504 |a Matatov-Meytal, Y.L., Sheintuch, M., Catalytic Abatement of Water Pollutants (1998) Ind. Eng. Chem. Res., 37, p. 309 
504 |a Imamura, S., Nakamura, M., Kawabata, N., Yoshida, J., Ishida, S., Wet Oxidation of PolyCethylene Glycol Catalyzed by Manganese-Cerium Composite Oxide (1986) Ind. Eng. Chem. Prod. Res. Dev., 25, p. 34 
504 |a Imamura, S., Fukuda, I., Ishida, S., Wet Oxidation Catalyzed by Ruthenium Supported on Cerium(IV) Oxides (1988) Ind. Eng. Chem. Res., 27, p. 718 
504 |a Imamura, S., Dol, A., Ishida, S., Wet Oxidation of Ammonia Catalyzed by Cerium-Based Composite Oxides (1985) Ind. Eng. Chem. Prod. Res. Dev., 24, p. 75 
504 |a Duprez, D., Delanoe, F., Barbier, Jr., Isnard, P., Blanchard, G., Catalytic Oxidation of Organic Compounds in Aqueous Media (1996) Catal. Today., 29, p. 317 
504 |a Hamoudi, S., Larachi, F., Sayari, A., Wet Oxidation of Phenolic Solutions over Heterogeneous Catalysts: Degradation Profile and Catalyst Behavior (1998) J. Catal. 
504 |a Fripiat, J.J., Gatineau, L., Van Damme, H., Multilayer Physical Adsorption on Fractal Surfaces (1986) Langmuir, 2, p. 562 
504 |a Pfeifer, P., Obert, M., Cole, M.W., Fractal BET and FHH Theories of Adsorption: A Comparative Study (1989) Proc. R. Soc. London a, 423, p. 169 
504 |a Ding, Z.Y., Frisch, M.A., Li, L., Gloyna, E.F., Catalytic Oxidation in Supercritical Water (1996) Ind. Eng. Chem. Res., 35, p. 3257 
504 |a Kelemen, S.R., Rose, K.D., Kwiatek, P., J. Carbon Aromaticity Based on XPS ∏ to ∏* Signal Intensity (1993) Appl. Surf. Sei, 64, p. 167 
504 |a Desimoni, E., Casella, G.I., Morone, A., Salvi, A.M., XPS Determination of Oxygen-Containing Functional Groups on CarbonFibre Surfaces and the Cleaning of these Surfaces (1990) Surf. Interface. Anal., 15, p. 627 
504 |a Paâl, Z., Schlögl, R., Ertl, G., The Surface State and Catalytic Properties of Pt Black after O2-H2 Cycles (1992) Catal. Lett., 12, p. 331 
504 |a Levis, R.J., Delouise, L.A., White, E.J., Winograd, N., Defect Induced Surface Chemistry: A Comparison of the Adsorption and Thermal Decomposition of C2H4 on Rh {111} and Rh {331} (1990) Surf. Sei., 230, p. 35 
520 3 |a Manganese/cerium composite oxide (MnO2/CeO2) proved to be a potent solid catalyst for the catalytic wet oxidation (CWO) of aqueous phenol under mild treatment conditions (80-130°C, 0.5 MPa O2 pressure). Despite the fact this catalyst exhibited an important activity in eliminating completely phenol and total organic carbon (TOC), its poor selectivity to CO2 was demonstrated as a result of deposition on the catalyst surface of carbonaceous deposits with high carbon content. Promotion of MnO2/CeO2 with platinum improved the CO2 yield of phenol oxidation. Evidence for the reduction of the carbonaceous deposit over Pt-MnO2/CeO2 was confirmed via elemental analysis and temperature-programmed oxidation (TPO). Surface analysis by X-ray photoelectron spectroscopy (XPS) indicated that the deposits built up more on cerium than on manganese and that platinum increased the aromaticity of the deposit. Manganese/cerium composite oxide (MnO2/CeO2) proved to be a potent solid catalyst for the catalytic wet oxidation (CWO) of aqueous phenol under mild treatment conditions (80-130 °C, 0.5 MPa O2 pressure). Despite the fact this catalyst exhibited an important activity in eliminating completely phenol and total organic carbon (TOC), its poor selectivity to CO2 was demonstrated as a result of deposition on the catalyst surface of carbonaceous deposits with high carbon content. Promotion of MnO2/CeO2 with platinum improved the CO2 yield of phenol oxidation. Evidence for the reduction of the carbonaceous deposit over Pt-MnO2/CeO2 was confirmed via elemental analysis and temperature-programmed oxidation (TPO). Surface analysis by X-ray photoelectron spectroscopy (XPS) indicated that the deposits built up more on cerium than on manganese and that platinum increased the aromaticity of the deposit.  |l eng 
593 |a Department of Chemical Engineering, CERPIC, Laval University, Qué. G1K 7P4, Canada 
593 |a PINMATE, Department Industrias FCEyN, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina 
690 1 0 |a CATALYSIS 
690 1 0 |a CATALYST ACTIVITY 
690 1 0 |a CATALYST SELECTIVITY 
690 1 0 |a CERIUM COMPOUNDS 
690 1 0 |a DEPOSITION 
690 1 0 |a MANGANESE COMPOUNDS 
690 1 0 |a PHENOLS 
690 1 0 |a PLATINUM 
690 1 0 |a REDUCTION 
690 1 0 |a SURFACE PROPERTIES 
690 1 0 |a X RAY PHOTOELECTRON SPECTROSCOPY 
690 1 0 |a AROMATICITY 
690 1 0 |a CATALYTIC WET OXIDATION 
690 1 0 |a TEMPERATURE PROGRAMMED OXIDATION (TPO) 
690 1 0 |a OXIDATION 
690 1 0 |a OXIDATION 
690 1 0 |a POLLUTANT REMOVAL 
700 1 |a Larachi, F. 
700 1 |a Cerrella, G. 
700 1 |a Cassanello, M. 
711 2 |c Washington 
773 0 |d ACS, 1998  |g v. 37  |h pp. 3561-3566  |k n. 9  |p Ind. Eng. Chem. Res.  |x 08885885  |w (AR-BaUEN)CENRE-316  |t Industrial and Engineering Chemistry Research 
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856 4 0 |u https://doi.org/10.1021/ie980081w  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_08885885_v37_n9_p3561_Hamoudi  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08885885_v37_n9_p3561_Hamoudi  |y Registro en la Biblioteca Digital 
961 |a paper_08885885_v37_n9_p3561_Hamoudi  |b paper  |c PE 
962 |a info:eu-repo/semantics/article  |a info:ar-repo/semantics/artículo  |b info:eu-repo/semantics/publishedVersion 
999 |c 63827 

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