Zobrazeno 1 - 10
of 82
pro vyhledávání: '"Mitsuo Masai"'
Autor:
Hirofumi Fujiyama, Ichitaro Kohara, Keisuke Iwai, Satoru Nishiyama, Mitsuo Masai, Shigeru Tsuruya
Publikováno v:
Journal of Catalysis. 188:417-425
Mesoporous silicate MCM-41, with a uniform pore diameter of ca. 35 A, was used as a support for impregnated Cu catalysts for liquid-phase oxidation of 2,6-di- tert -butylphenol (BOH) in the presence of a base such as KOH. The oxidation products were
Publikováno v:
The Journal of Physical Chemistry B. 103:4431-4439
Infrared spectra of propionaldehyde was studied over silica-supported Rh−Sn bimetallic catalysts. Two absorption bands of the carbonyl group were observed at 1670 and 1720 cm-1, and the aldehyde hydrogen (−CHO) was also observed at 2748 and 2848
Publikováno v:
Physical Chemistry Chemical Physics. 1:373-381
The gas-phase catalytic oxidation of benzyl alcohol was carried out over low [CeL, ∽1×10-2 mmol (g-NaZSM-5)-1] and high [CeH, ∽1–2 mmol (g-NaZSM-5)-1] Ce supported NaZSM-5 zeolites and alkali metal added counterparts. The Ce was supported on N
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :847-854
The liquid-phase oxygenation of benzene was studied using supported vanadium(V) catalysts. Molecular oxygen and ascorbic acid were used as the oxidant and reducing reagent, respectively. The reduced vanadium species is suggested to be the active cata
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 135:133-142
Mesoporous silicates (MCM-41 and Al-containing MCM-41) were applied to catalyst supports for liquid-phase benzene oxidation paying attention to their remarkable features, such as large surface area, ordered mesopores and high thermal stability. The M
Publikováno v:
Journal of the Chemical Society, Faraday Transactions. 94:473-479
The effect of alkali metals added to Cu ion-exchanged Y-type (Cu-NaY) zeolite catalysts on the oxidation activity and the selectivity is investigated using the gas-phase catalytic oxidation of benzyl alcohol as a model reaction. The added alkali meta
Autor:
Yasushi Itoi, Mitsuo Masai, Katsuhiko Tahara, Shigeru Tsuruya, Eiji Nagahara, Satoru Nishiyama
Publikováno v:
Applied Catalysis A: General. 154:75-86
Heterogeneous Ru Sn catalysts are effective for the liquid-phase hydrogenation of C O group in car☐ylic acids. Hydrogenation activity was affected by the kind of tin compounds used for the preparation of the Ru Sn catalyst. Bis-tributyl tin oxide (
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 120:L17-L22
Selective hydrogenation of unsaturated aldehydes, crotonaldehyde (CH 3 CHCHCHO) and cinnamaldehyde (C 6 H 5 CHCHCHO), has been studied over SiO 2 -supported monometallic Sn and bimetallic RhSn catalysts in the liquid phase. Over a sili
Publikováno v:
Journal of the Chemical Society, Faraday Transactions. 93:659-664
The vapour-phase catalytic oxidation of benzyl alcohol has been carried out over NaZSM-5 supported copper and alkali-metal-added NaZSM-5 supported Cu catalysts. The NaZSM-5 zeolite supported copper catalyst has been prepared by three different method
Publikováno v:
Reaction Kinetics & Catalysis Letters. 59:3-8
The thermal treatment of Pt foil model catalysts under UHV conditions leads to an enhanced activity for H2-D2 exchange. For the enhanced activity, the UHV atmosphere, a temperature of 1073 K and a Cl-impurity are essential. This was identical with th