Výsledky vyhledávání - "Muneyoshi Yamada"

Influences of K and Cu on coprecipitated FeZn catalysts for Fischer–Tropsch reaction

Autor: Shoubin Yang, Hongxian Chen, Wensheng Ning, Muneyoshi Yamada

Publikováno v: Catalysis Communications. 39:74-77

Catalyst KC/FZ25, promoted by K and Cu simultaneously, has stable CO conversion when it was used for Fischer–Tropsch reaction. The reasons are given based on the results of N 2 physisorption, XRD and XPS. Combined with the understanding from our pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5be8513331995a9bc11166743ae8bf09
https://doi.org/10.1016/j.catcom.2013.05.013

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Kinetic model of K–Ni/α-Al2O3 catalyst for oxidative reforming of methane determined by genetic algorithm

Autor: Kohji Omata, Yasukazu Kobayashi, Junpei Horiguchi, Seishiro Kobayashi, Yuichiro Yamazaki, Muneyoshi Yamada

Publikováno v: Applied Catalysis A: General. :170-177

Effects of preparation conditions of a K–Ni/α-Al2O3 catalyst on the activity and selectivity of high-pressure reforming of methane was investigated. Catalyst preparation parameters such as calcination temperature of boehmite, the amount of NiO and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0fc9b4746afe0380fb3941637e67939
https://doi.org/10.1016/j.apcata.2012.03.014

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Mechanistic aspects of the role of chelating agents in enhancing Fischer–Tropsch synthesis activity of Co/SiO2 catalyst: Importance of specific interaction of Co with chelate complex during calcination

Autor: Yusuke Hamabe, Yasuhiko Hayasaka, Daichi Hongo, Yukiya Ibi, Takayoshi Shindo, Shigenobu Suzuki, Muneyoshi Yamada, Naoto Koizumi

Publikováno v: Journal of Catalysis. 289:151-163

Co/SiO 2 catalysts (20 mass%) with enhanced activities for Fischer–Tropsch synthesis (FTS) were prepared by a newly developed two-step impregnation method using several chelating agents, and the effects of the calcination temperature and chelating

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::303bba962eb7b69b086997afb189fdaf
https://doi.org/10.1016/j.jcat.2012.02.003

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Mechanism for enhancing dispersion of Co3O4nanoparticles in Co/SiO2Fischer–Tropsch synthesis catalyst by adding glycol to impregnating solution: a quick-XAFS study

Autor: Shigenobu Suzuki, Takayoshi Shindo, Muneyoshi Yamada, Yasuhiko Hayasaka, Naoto Koizumi, Yukiya Ibi, Yusuke Hamabe

Publikováno v: Journal of Synchrotron Radiation. 19:74-83

In situCoK-edge quick-EXAFS (QEXAFS) coupled with temperature-programmed oxidation as well asex situXAFS was applied to investigating the mechanism for enhancing the dispersion of Co3O4nanoparticles in a calcined Co/SiO2Fischer–Tropsch synthesis ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19585872fc5dda3353dc212146d6ebd3
https://doi.org/10.1107/s0909049511041240

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Preparation of Co/SiO2 Using Several Glycols for Enhanced Fischer-Tropsch Synthesis Activity and Dispersion of Co0 Nanoparticles with Unique Co0 Particle Size Effect

Autor: Satoshi Niiyama, Takayoshi Shindo, Muneyoshi Yamada, Shigenobu Suzuki, Naoto Koizumi

Publikováno v: Catalysis Letters. 141:931-938

Co/SiO2 catalysts with highly dispersed Co0 and reducible Co were prepared by impregnation using an aqueous solution of Co nitrate containing ethylene glycol or its homologs. Addition of glycols enhanced FTS activity by a factor of 4. Particle size o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::955eb4c8318bd2e467dfcc9dd45d4fee
https://doi.org/10.1007/s10562-011-0633-z

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Enhancing the Fischer–Tropsch Synthesis Activity of Co-based Catalysts by Adding ZrO x to the SiO2 Support and Chelating Ligands to the Co-precursor

Autor: Naoto Koizumi, Muneyoshi Yamada, Shigenobu Suzuki, Takayoshi Shindo, Yasuhiko Hayasaka, Yukiya Ibi

Publikováno v: Catalysis Letters. 141:1207-1214

Co/ZrO x /SiO2 catalysts with enhanced dispersion of Co0 and turnover frequency were successfully prepared combining two different promotion effects, i.e., modifications of SiO2 surface with ZrO x by liquid phase deposition and influencing coordinati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::83ce12ac1441571e497ca53f32bbc550
https://doi.org/10.1007/s10562-011-0586-2

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Application of liquid phase deposition method for preparation of Co/ZrOx/SiO2 catalyst with enhanced Fischer–Tropsch synthesis activity: Importance of Co–Zr interaction

Autor: Muneyoshi Yamada, Hiroyuki Seki, Takayoshi Shindo, Yasuhiko Hayasaka, Naoto Koizumi, Yasufumi Oda

Publikováno v: Applied Catalysis A: General. 398:168-178

Liquid phase deposition (LPD) method using (NH 4 ) 2 ZrO(CO 3 ) 2 was applied to modifying chemical nature of SiO 2 surface with ZrO x species. ZrO x -modified SiO 2 was then impregnated with Co nitrate solution for preparation of Co/ZrO x /SiO 2 cat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42c8fb5bac80ec54af95b331c0138c3a
https://doi.org/10.1016/j.apcata.2011.03.037

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Effects of glycols on Fischer–Tropsch synthesis activity and coordination structure of Co species in Co/SiO2: Mechanism for enhanced dispersion of Co0 nanoparticles

Autor: Takayoshi Shindo, Satoshi Niiyama, Yukiya Ibi, Muneyoshi Yamada, Shigenobu Suzuki, Naoto Koizumi

Publikováno v: Applied Catalysis A: General. 395:138-145

Co/SiO 2 catalysts with higher dispersion of Co 0 as well as high reducibility of Co were prepared by impregnation using an aqueous solution containing Co nitrate and a glycol under different glycol/Co 2+ molar ratios. Glycols with different structur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6a2df6d251765646a11848e666e9536
https://doi.org/10.1016/j.apcata.2011.01.035

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