Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Shigeru Tsuruya"'
Publikováno v:
Catalysis Today. 203:60-65
Selective oxidation of cyclohexanone to ɛ-caprolactone by H 2 O 2 was investigated on β-zeolites with various Si/Al ratio. The yield of ɛ-caprolactone was increased with decreasing Si/Al ratio. The β-zeolites in which Si/Al ratio was lower than 1
Autor:
Satoru Nishiyama, Shigeru Tsuruya, Yo-hei Nishikawa, Megumi Yamaguchi, Keita Taniya, Yuichi Ichihashi
Publikováno v:
Research on Chemical Intermediates. 36:463-472
Metal-loaded titanium oxide photocatalysts produced hydrogen in the photodecomposition of water vapor with methane in the flow reactor. Ag/TiO2 has the highest activity in comparison with other metal-loaded catalysts. The experiment in the absence of
Autor:
Yuichi Ichihashi, Shigeru Tsuruya, Yo-hei Kamizaki, Keita Taniya, Naoya Terai, Satoru Nishiyama
Publikováno v:
Catalysis Letters. 134:324-329
The gas-phase catalytic oxidation of benzene over copper supported on HZSM-5 added with titanium (Cu/Ti/HZSM-5) was carried out by using molecular oxygen as an oxidant. Phenol was effectively produced by the titanium addition to Cu/HZSM-5. The titani
Publikováno v:
Research on Chemical Intermediates. 34:525-533
Titanium-silicon (Ti/Si) binary oxides having a varying Ti content were prepared using the sol-gel method and used as photocatalysts. The photo-oxidation of benzene to phenol was carried out using Ti/Si binary oxide catalysts in the presence of benze
Publikováno v:
Industrial & Engineering Chemistry Research. 45:8837-8845
The effect and the role of alkaline earth metals added to Ag/SiO2 catalyst were studied in the gas-phase catalytic oxidation of benzyl alcohol. The main oxidation product was benzaldehyde, together with only small amounts of CO2, benzene, and toluene
Autor:
Shigeru Tsuruya, and Satoru Nishiyama, Yuichi Ichihashi, Chiaki Tanaka, † Sho-ta Yamaguchi, Shingo Sumimoto
Publikováno v:
Industrial & Engineering Chemistry Research. 45:7444-7450
The liquid-phase oxidation of benzene to phenol in an aqueous acetic acid solvent over a V-substituted heteropolyacid catalyst was attempted using zinc powder as the reducing reagent and gaseous oxygen as the oxidant. Phenol, an oxygenation product,
Autor:
Yuichi Ichihashi, and Satoru Nishiyama, Takahiro Ueda, Shigeru Tsuruya, Rei Hamada, Yusuke Shibata
Publikováno v:
Industrial & Engineering Chemistry Research. 44:8765-8772
The utilization of copper-impregnated HZSM-5 (Cu/HZSM-5) zeolites as catalysts for the gas-phase catalytic oxidation of benzene was attempted. The major products were phenol, carbon dioxide, and carbon monoxide. The Si/Al ratio in the HZSM-5 support
Publikováno v:
Coal Preparation. 25:295-311
The Hyper-coal process is a coal refinery process that makes an ash-free coal by thermal extraction and solid-liquid separation technology. This study investigates the upgrading of brown coal by applying the Hyper-coal process. Several kinds of bitum
Autor:
Satoru Nishiyama, Shigeru Tsuruya, Yuichiro Ichihashi, Ryohei Yamamoto, Hiroshi Shibahara, Yo-suke Sawayama
Publikováno v:
Journal of Catalysis. 234:308-317
The gas-phase catalytic oxidation of benzyl alcohol was carried out using Ag catalysts impregnated on a SiO 2 or CaO support, as well as a potassium-added counterpart (K/Ag/SiO 2 ), to clarify the surface state of the Ag species active in the oxidati
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 231:235-240
The liquid-phase oxidative coupling reaction of 2-naphthol was carried out in dichloromethane solvent over vanadium catalysts supported on inorganic oxides such as MCM-41 using molecular oxygen as the oxidant. The main product was 1,1′-bi-2-naphtho