Search Results - "Ruiz, A.R. Guerrero"

Influence of the parent zeolite structure on chromium speciation and catalytic properties of Cr-zeolite catalysts in the ethylene ammoxidation by Ayari, F., Mhamdi, M., Hammedi, T., Álvarez-Rodríguez, J., Guerrero-Ruiz, A.R., Delahay, G., Ghorbel, A.

“…[Display omitted] ► Cr–S solids (S=ZSM-5, mordenite, beta, USY, Y) were tested in C2H4 ammoxidation. ► Cr species with high oxidation states play a key role in…”
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Ammoxidation of ethylene over low and over-exchanged Cr–ZSM-5 catalysts by Ayari, F., Mhamdi, M., Álvarez-Rodríguez, J., Guerrero Ruiz, A.R., Delahay, G., Ghorbel, A.

“…[Display omitted] ► Cr–ZSM-5 solids were tested in the ammoxidation of ethylene into acetonitrile. ► Cr(VI) ions and Cr(III) oxide species coexist. ►…”
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Cr–ZSM-5 catalysts for ethylene ammoxidation: Effects of precursor nature and Cr/Al molar ratio on the physicochemical and catalytic properties by Ayari, F., Mhamdi, M., Álvarez-Rodríguez, J., Guerrero Ruiz, A.R., Delahay, G., Ghorbel, A.

“…[Display omitted] ► Cr–ZSM-5 solids with different metal loads were active in C2H4 ammoxidation. ► Exchanging CrCl3 and Cr acetate into ZSM-5 was elucidated by…”
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Selective catalytic reduction of NO with NH3 over Cr-ZSM-5 catalysts: General characterization and catalysts screening by Ayari, F., Mhamdi, M., Álvarez-Rodríguez, J., Ruiz, A.R. Guerrero, Delahay, G., Ghorbel, A.

“… Cr-ZSM-5 catalysts exhibited promising catalytic properties in SCR of NO with NH3 at low temperatures. Higher catalytic activities of Cr-ZSM-5 catalysts…”
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