Search Results - "FLEGO, C"

N-containing species in crude oil fractions: An identification and quantification method by comprehensive two-dimensional gas chromatography coupled with quadrupole mass spectrometry by Flego, C., Zannoni, C.

“…The requirement of fuels with ultra low impact to the environment forces the application of specific upgrading treatments to crude oils to reduce the…”
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Direct Insertion Probe–Mass Spectrometry (DIP–MS) Maps and Multivariate Analysis in the Characterization of Crude Oils by Flego, C, Zannoni, C

“…Crude oils are complex organic mixtures, with their composition changing not only with the geographical region but also with the oil field. Chemical…”
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The transformations involving methanol in the acid- and base-catalyzed gas-phase methylation of phenol by Ballarini, N., Cavani, F., Maselli, L., Montaletti, A., Passeri, S., Scagliarini, D., Flego, C., Perego, C.

“…The alkylation of phenol with methanol was studied using a Brønsted-type acid catalyst (a H-mordenite) and basic/dehydrogenating catalysts (MgO, Fe 2O 3 and…”
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Beckmann rearrangement of cyclohexanone oxime over Silicalite-1: an FT-IR spectroscopic study by Flego, C, Dalloro, L

“…The study of cyclohexanone oxime (CEOX) adsorption and reaction into ε-caprolactam (CPL) by FT-IR spectroscopy was performed with Silicalite-1 (S-1) as a…”
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Unexpected Destructive Dealumination of Zeolite Beta by Silylation by Parker, W. O, de Angelis, A, Flego, C, Millini, R, Perego, C, Zanardi, S

“…Zeolite beta was silylated in a novel way, by chemical liquid deposition (CLD) of a cyclic organosiloxane, and characterized. Despite its large size,…”
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The balance of acid, basic and redox sites in Mg/Me-mixed oxides: The effect on catalytic performance in the gas-phase alkylation of m-cresol with methanol by Crocellà, V., Cerrato, G., Magnacca, G., Morterra, C., Cavani, F., Cocchi, S., Passeri, S., Scagliarini, D., Flego, C., Perego, C.

“…Catalytic activity of Mg/Me (Me = Al 3+, Cr 3+, Fe 3+)-mixed oxides in gas-phase methylation of phenol shows a pronounced dependence on the type of guest…”
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Heterogeneous basic catalysts as alternatives to homogeneous catalysts: reactivity of Mg/Al mixed oxides in the alkylation of m-cresol with methanol by Bolognini, M, Cavani, F, Scagliarini, D, Flego, C, Perego, C, Saba, M

“…Mg/Al mixed oxides, obtained by decomposition of hydrotalcite-like precursors, represent interesting heterogeneous catalytic systems for basic-catalyzed…”
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Amorphous aluminosilicate catalysts for hydroxyalkylation of aniline and phenol by Perego, C., de Angelis, A., Carati, A., Flego, C., Millini, R., Rizzo, C., Bellussi, G.

“…Amorphous aluminosilicates with controlled porosity in the region of micro-pores (ERS-8, SA) and meso-pores (MCM-41, HMS and MSA) have been compared as…”
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Styrene from toluene by combinatorial catalysis by Serra, J.M, Corma, A, Farrusseng, D, Baumes, L, Mirodatos, C, Flego, C, Perego, C

“…The side-chain alkylation of toluene with methanol is one alternative technology to produce styrene that has been given attention in the last few years. In the…”
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Mg/Al mixed oxides prepared by coprecipitation and sol–gel routes: a comparison of their physico-chemical features and performances in m-cresol methylation by Bolognini, M, Cavani, F, Scagliarini, D, Flego, C, Perego, C, Saba, M

“…Magnesium/aluminium mixed oxides were synthesised following two procedures, via: (i) coprecipitation (CP) and (ii) sol–gel (SG). A crystalline precursor with…”
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Stability of Ti in MFI and Beta structures: a comparative study by Carati, A, Flego, C, Previde Massara, E, Millini, R, Carluccio, L, Parker, W.O, Bellussi, G

“…The structural stabilities of TS-1 (Ti-MFI) and Ti-Beta zeolites after exposure to aqueous H 2O 2 (30% w/w) have been examined by X-ray diffraction and…”
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Mesoporous silica-aluminas as catalysts for the alkylation of aromatic hydrocarbons with olefins by Perego, C, Amarilli, S, Carati, A, Flego, C, Pazzuconi, G, Rizzo, C, Bellussi, G

“…Two amorphous mesoporous silica-aluminas (MSA and MCM-41) are compared with the amorphous microporous silica-alumina (ERS-8) and the zeolite beta in the…”
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Laser desorption/ionization mass spectrometric study on asphaltenes from different heavy crude oils and products originating from their thermal treatment by Smaniotto, A., Flego, C., Montanari, L., Guglielmetti, G., Seraglia, R., Traldi, P.

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Acetone condensation as a model reaction for the catalytic behavior of acidic molecular sieves: a UV–Vis study by Flego, C., Perego, C.

“…The aldol condensation is taken as a model reaction in order to study both the acid site density and the pore dimension on a variety of acidic molecular sieves…”
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Methanol interaction with mesoporous silica–aluminas by Flego, C, Carati, A, Perego, C

“…Amorphous mesoporous silica–aluminas with different textural properties are prepared by the sol–gel procedure and compared in the “in situ” reaction of…”
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Mixed oxides as a support for new CoMo catalysts by Flego, C., Arrigoni, V., Ferrari, M., Riva, R., Zanibelli, L.

“…Interest in bifunctional catalysts, active in reactions such as hydrodesulphurisation (HDS) of hydrocarbon fractions, is growing in the last years. An…”
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Reaction and deactivation study of mesoporous silica–alumina (MSA) in propene oligomerisation by Flego, C, Peratello, S, Perego, C, Sabatino, L.M.F, Bellussi, G, Romano, U

“…Deactivation of mesoporous silica–alumina (MSA) is investigated in propene oligomerisation. The initial activity is correlated with the Lewis acid sites. Part…”
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Studies on supported triflic acid in alkylation by de Angelis, A, Flego, C, Ingallina, P, Montanari, L, Clerici, M.G, Carati, C, Perego, C

“…A thermally stable solid acid catalyst has been prepared by treating amorphous silica gel with trifluoromethanesulphonic (triflic) acid (TFA) at 150°C in a…”
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Direct Insertion Probe―Mass Spectrometry (DIP―MS) Maps and Multivariate Analysis in the Characterization of Crude Oils by FLEGO, C, ZANNONI, C

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The Determination of Brønsted Acid Sites in Zeolite ERS-7 by Neutron and X-ray Powder Diffraction by Campbell, B. J, Cheetham, A. K, Vogt, T, Carluccio, L, Parker, W. O, Flego, C, Millini, R

“…The deuterated acid form of zeolite ERS-7 (Si/Al = 8.4) has been prepared by repeated cycles of D2O exposure and calcination. 27Al NMR data show that the…”
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