Buscar
Mostrando ítems 1-10 de 13
Silylation of [Nb]-MCM-41 as an efficient tool to improve epoxidation activity and selectivity
(Academic Press Inc Elsevier ScienceSan DiegoEUA, 2006)
Changes in the surface hydrophobicity degree of a MCM-41 used as iron support: a pathway to improve the activity and the oleins production in the Fischer–Tropsch synthesis
(Springer, 2016-12)
The effect of surface hydrophobicity degree of MCM-41 support on activity and selectivity in Fischer?Tropsch synthesis has been studied. The Fe/MCM-41 catalyst was prepared by impregnation of the mesoporous support with ...
Synthesis and magnetic characterization of magnetite particles embedded in mesoporous MCM-41
(Elsevier Science, 2006-11)
A solid of 7.7 wt% iron-loaded MCM-41 was obtained by impregnating the mesoporous material with an Fe-carrying organic salt after subjecting the matrix to a silylation treatment. The Mössbauer and magnetic results show ...
Activity of Mo(II) allylic complexes supported in MCM-41 as oxidation catalysts precursors
(Elsevier B.V., 2009-01-15)
[Mo(eta(3)-C(3)H(5))X(CO)(2)(NCCH(3))(2)] (X = Br, 1a; X = Cl, 1b) complexes reacted with the bidentate ligand RN=C(Ph)-C(Ph)=NR, R = (CH(2))(2)CH(3) (DAB, 2) affording [Mo(eta(3)-C(3)H(5))X(CO)(2)(DAB)] (X = Br, 4a; X = ...
Activity of Mo(II) allylic complexes supported in MCM-41 as oxidation catalysts precursors
(Elsevier B.V., 2009-01-15)
[Mo(eta(3)-C(3)H(5))X(CO)(2)(NCCH(3))(2)] (X = Br, 1a; X = Cl, 1b) complexes reacted with the bidentate ligand RN=C(Ph)-C(Ph)=NR, R = (CH(2))(2)CH(3) (DAB, 2) affording [Mo(eta(3)-C(3)H(5))X(CO)(2)(DAB)] (X = Br, 4a; X = ...
Impact of the surface hydrophobicity/hydrophilicity ratio on the catalytic properties of Ni nanoparticles/MCM-41 system used in the hydrogenation of acetophenone
(Elsevier Science, 2021-07-11)
Three nickel catalysts were prepared supporting pre-synthetized monodisperse Ni nanoparticles of 16 nm. As support, nanospheres of MCM-41 were used. Two batches of these supports were superficially modified by silylation ...
Síntese de nanopartículas de cobalto suportadas em peneiras moleculares mesoporosas para a síntese de Fischer-TropschSynthesis of cobalt nanoparticles supported on mesopouros molecular sieves for fischer-tropsch synthesis
(Universidade Estadual de MaringáBrasilDepartamento de Engenharia QuímicaPrograma de Pós-Graduação em Engenharia QuímicaUEMMaringá, PRCentro de Tecnologia, 2018)