Search Results - "Naccache, C."

Comparative study of n-pentane isomerization over solid acid catalysts, heteropolyacid, sulfated zirconia, and mordenite: dependence on hydrogen and platinum addition by Essayem, N., Ben Taârit, Y., Feche, C., Gayraud, P.Y., Sapaly, G., Naccache, C.

“…Skeletal isomerization of pentane over solid acid catalysts (NH 4) 2.5H 0.5PW 12O 40, sulfated zirconia, and H-mordenite has been studied. Hybrid bifunctional…”
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Alkylation of benzene with dodecene. The activity and selectivity of zeolite type catalysts as a function of the porous structure by Cao, Y., Kessas, R., Naccache, C., Ben Taarit, Y.

“…LAB (Linear Alkyl Benzene) isomers were obtained by the alkylation of benzene with 1-dodecene over FAU, BEA and EMT zeolites in the presence of decane as…”
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Aromatization of methane over zeolite supported molybdenum: active sites and reaction mechanism by Ha, Vu T.T., Tiep, Le V., Meriaudeau, P., Naccache, C.

“…The conversion of methane to aromatics, mainly benzene, has been studied. Zeolite type catalysts, ZSM-5, MCM-22, containing molybdenum were used. The reaction…”
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SAPO-11, SAPO-31, and SAPO-41 molecular sieves: Synthesis, characterization, and catalytic properties in n-octane hydroisomerization by MERIAUDEAU, P, TUAN, V. A, NGHIEM, V. T, LAI, S. Y, HUNG, L. N, NACCACHE, C

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Pore size and crystal size effects on the selective hydroisomerisation of C 8 paraffins over Pt–Pd/SAPO-11, Pt–Pd/SAPO-41 bifunctional catalysts by Mériaudeau, P., Tuan, Vu.A., Sapaly, G., Nghiem, Vu.T., Naccache, C.

“…The hydroconversion of n-octane over bifunctional Pt–Pd/SAPO-11 and Pt–Pd/SAPO-41 catalysts was studied. High selectivity, 90% towards isomerisation, was…”
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Gallium based MFI zeolites for the aromatization of propane by Mériaudeau, P., Naccache, C.

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Pore size and crystal size effects on the selective hydroisomerisation of C8 paraffins over Pt-Pd/SAPO-11, Pt-Pd/SAPO-41 bifunctional catalysts by MERIAUDEAU, P, TUAN, V. A, SAPALY, G, NGHIEM, V. T, NACCACHE, C

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Aromatization of methane over Mo/H-ZSM-5 catalyst: on the possible reaction intermediates by Mériaudeau, P., Tiep, Le V., Ha, Vu T.T., Naccache, C., Szabo, G.

“…Methane aromatization has been performed on 4 wt.% Mo/H-ZSM-5 (Si/Al=26). Acetylene has been observed as an intermediate and the change in the acetylene…”
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Isomorphous substitution of silicon in the AlPO4 framework with AEL structure : n-octane hydroconversion by MERIAUDEAU, P, TUAN, V. A, LEFEBVRE, F, NGHIEM, V. T, NACCACHE, C

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Heteropolyacid Catalysts for Hydroisomerization of n-Hexane: Effects of Alkali Salt Modification by Essayem, N, Taârit, Y.Ben, Gayraud, P.Y, Sapaly, G, Naccache, C

“…12-Tungstophosphoric acid, H3PW12O40, and a series of its acid alkali salts associated with silica-supported platinum have been used as catalysts in the…”
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Further Evidence on the Change of Acid Properties of H-ZSM-5 by Ga and Pt by Meriaudeau, P., Naccache, C.

“…The effects of oxidizing and reducing treatments over Ga/H-ZSM-5 aromatization catalysts are studied. The respective roles of the dehydrogenation function and…”
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Comparative Evaluation of the Catalytic Properties of SAPO-31 and ZSM-48 for the Hydroisomerization of N-Octane: Effect of the Acidity by Mériaudeau, P., Tuan, Vu A., Nghiem, Vu T., Sapaly, G., Naccache, C.

“…The hydroconversion of n-octane, 2-methylheptane, and 2,2,4-trimethylpentane over Pt–Pd/SAPO-31 and Pt–Pd/ZSM-48 at 523 K and atmospheric pressure was studied…”
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Linear alkylbenzene by Almeida, J. L. G., Dufaux, M., Taarit, Y. Ben, Naccache, C.

“…Linear alkylbenzene (LAB) was introduced in the mid‐1960s as a raw material for cleaning products. Since then, continuing and explosive research on its…”
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EPR and UV–visible spectroscopic studies of alumina-supported chromium oxide catalysts by Khaddar-Zine, Sihem, Ghorbel, Abdelhamid, Naccache, Claude

“…The oxidation state, the mobility and the molecular structure of chromium species present on CrO x –Al 2O 3 catalysts have been studied by combined diffuse…”
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Synthesis and characterization of SAPO-41: effect of the silicon content and the crystal size on the hydroisomerization of n-octane over Pt–Pd/SAPO-41 by Mériaudeau, P., Tuan, Vu A., Lefebvre, F., Nghiem, Vu T., Naccache, C.

“…Silicoaluminophosphate SAPO-41 was synthesized either in the presence of surfactant or without added surfactant. Under the synthesis conditions with added…”
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Zeolite based catalysts for linear alkylbenzene production: Dehydrogenation of long chain alkanes and benzene alkylation by Mériaudeau, P., Ben Taarit, Y., Thangaraj, A., Almeida, J.L.G., Naccache, C.

“…Linear alkylbenzenes (LAB) obtained by alkylation of benzene with linear C 10–14 olefins. In the present work we have investigated the dehydrogenation of long…”
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On the influence of the mordenite acidity in the hydroconversion of linear alkanes over Pt-mordenite catalysts by Oswaldo Almanza, Luis, Narbeshuber, Thomas, d'Araujo, Paolo, Naccache, Claude, Ben Taarit, Younès

“…Hydroconversion of n-octane and n-hexane was investigated on a series of platinum loaded mordenite samples with varied framework aluminium (FAl) content. In…”
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Effect of reductive and oxidative atmospheres on the propane aromatisation activity and selectivity of Ga/H-ZSM-5 catalysts by Abdul Hamid, S.B., Derouane, E.G., Mériaudeau, P., Naccache, C.

“…The aromatisation of propane was investigated at 823 K on two Ga/H-ZSM-5 catalysts differing by their aluminum content ( Si Al = 18 and 128, respectively),…”
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Studies on PtxSny bimetallics in NaY : II. Further characterization and catalytic properties in the dehydrogenation and hydrogenolysis of propane by MERIAUDEAU, P, THANGARAJ, A, DUTEL, J. F, NACCACHE, C

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Studies of PtxIny bimetallics in NaY. I: Preparation and characterization by MERIAUDEAU, P, NACCACHE, C, THANGARAJ, A, BIANCHI, C. L, CARLI, R, NARAYANAN, S

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