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Graphical abstract Mn-promotion of Co/SiO 2 affects the distribution of products by suppressing the formation methane and enhancing the formation of C 5+ products as a consequence of olefin reincorporation.
Graphical abstract Using operando and in situ Raman spectroscopy it is demonstrated that the ratio of dioxo and monooxo surface molybdenum oxide species strongly depends on temperature and gas-phase composition.
Graphical abstract Ni nanoparticles with controllable size and a narrow size distribution encapsulated inside meso- and microporous silica were prepared for partial oxidation of methane. The Ni-350@meso-SiO 2 catalyst with Ni particles of ca. 6 nm is superior in both activity and durability at...
Graphical abstract The structural features, chemical properties, and methods of inactivation of the amorphous Ti species in TS-1 are investigated. The formation of the amorphous Ti species, which is composed of fragments of Ti–O–Ti chains, is confirmed by the Raman band at 700 cm −1 . The...
Graphical abstract Mutilayered titanosilicate consisting of MFI-type nanosheets was hydrothermally synthesized with an aid of a bifunctional structure-directing agent. It proved to be highly active, selective, and reusable for the liquid-phase epoxidation of bulky alkenes using organic...
Graphical abstract The zeolite Si/Al ratio was observed to affect the activity and selectivity of propene oligomerization over H-MFI. Both a kinetic model as well as a quantum mechanic/molecular mechanic model illustrate that this effect is caused by the proximity of adsorbed oligomers...
Graphical abstract Spatial distribution, strength, and dealumination behavior of acid sites in nanocrystalline zeolite were studied using the MFI zeolites with various crystallite size templated by gemini-surfactants. External acid sites of zeolites exhibited slightly weaker acid strength, but...
Graphical abstract Phenol and substituted phenols are hydroalkylated and hydrodeoxygenated to bi-cycloalkanes in a tandem reaction over Pd nanoclusters supported on a large-pore molecular sieve HBEA at 473–523 K using water as solvent. The HBEA-supported Pd catalyst (metal–acid ratio: 1:22...
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