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Influence of Pore Structure of Silica Coated on Copper-Zinc Oxide-Based Catalyst for Carbon Dioxide into Methanol

Autor: Yoshiyuki Kojima, Kohji Omata, Tetsuo Umegaki

Publikováno v: Topics in Catalysis. 64:576-581

The present work has investigated influence of pore structure of silica coated on copper-zinc oxide-based catalyst for hydrogenation of carbon dioxide into methanol. For controlling the pore structure, micelles of a cationic surfactant, cethyltrimeth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f71721be301b3bd7098eb99c4931b558
https://doi.org/10.1007/s11244-021-01430-3

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Synthesis of Sr substituted BaTiO3 nanoparticles by hydrothermal treatments with maintaining the source material form and particle size

Autor: Shinya Tsukada, Yuki Makinose, Kohji Omata, Takashi Kubota, Katsumi Yamada, Yuta Kitano, Hidetoshi Miyazaki

Publikováno v: Journal of the Ceramic Society of Japan. 129:143-146

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b278c0c7d956e44f06326f967c85654e
https://doi.org/10.2109/jcersj2.20196

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Sensitive Method for the Oxidation-determination of Trace Hydroxylamine in Environmental Water Using Hypochlorite Followed by Gas Chromatography

Autor: Hiroshi Kamiya, Makoto Murakami, Toshikuni Kato, Kohji Omata, Yukiko Senga, Yasushi Seike, Shogo Sugahara, Michiko Egawa

Publikováno v: Analytical Sciences. 33:691-695

We developed a method for quantifying trace NH2OH in brackish- and sea-water samples. Previously reported methods applicable to fresh water cannot be applied to such samples. We determined that interference in seawater owing to the bromide ion can be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81b54f6d7cace93929c8b64d360d69d2
https://doi.org/10.2116/analsci.33.691

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Paddlewheel‐Type Dirhodium Tetrapivalate Based Coordination Polymer: Synthesis, Characterization, and Self‐Assembly and Disassembly Transformation Properties

Autor: Hidekazu Tanaka, Kohji Omata, Makoto Handa, Takashi Shimodaira, Yusuke Kataoka, Tatsuya Kawamoto, Mikio Yamasaki, Yin-Nan Yan, Natsumi Yano

Publikováno v: European Journal of Inorganic Chemistry. 2016:2810-2815

An extended one-dimensional chain-type coordination polymer, [Rh2(piv)4(tpy)]n (1; piv = pivalate, tpy = 2,2′:6′,2″-terpyridine), has been synthesized and characterized by single-crystal and powder X-ray diffraction analyses, elemental analysis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ea9f4f54a7077f5c91860f988a2d425
https://doi.org/10.1002/ejic.201600197

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Effect Of Silica Coating On Performance Of Copper-zinc Oxide Based Catalyst For Methanol Synthesis

Autor: Kohji Omata, Yoshiyuki Kojima, Tetsuo Umegaki

Publikováno v: Advanced Materials Letters. 6:1026-1030

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27acf93fc866be7ecfce7d7cc9cf2c07
https://doi.org/10.5185/amlett.2015.5558

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Effect of Oxide Coating on Performance of Copper-Zinc Oxide-Based Catalyst for Methanol Synthesis via Hydrogenation of Carbon Dioxide

Autor: Tetsuo Umegaki, Kohji Omata, Yoshiyuki Kojima

Publikováno v: Materials
Volume 8
Issue 11
Pages 7738-7744
Materials; Volume 8; Issue 11; Pages: 7738-7744
Materials, Vol 8, Iss 11, Pp 7738-7744 (2015)

The effect of oxide coating on the activity of a copper-zinc oxide–based catalyst for methanol synthesis via the hydrogenation of carbon dioxide was investigated. A commercial catalyst was coated with various oxides by a sol-gel method. The influen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8707ce9873846edaa27648a1ec1de9b
https://doi.org/10.3390/ma8115414

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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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Screening of new additives to heteropoly acid catalyst for Friedel–Crafts reaction by microwave heated HTS and by Gaussian process regression

Autor: Kohji Omata

Publikováno v: Applied Catalysis A: General. 407:112-117

Activity of heteropoly acid (HPA) catalyst for Friedel–Crafts reaction was promoted by Pt addition of which effect was discovered by means of microwave heated high-throughput screening (HTS) and Gaussian process regression (GPR). In the screening,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3259e90ad3543d405f1d990a1b86961
https://doi.org/10.1016/j.apcata.2011.08.030

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Screening of New Additives of Active-Carbon-Supported Heteropoly Acid Catalyst for Friedel–Crafts Reaction by Gaussian Process Regression

Autor: Kohji Omata

Publikováno v: Industrial & Engineering Chemistry Research. 50:10948-10954

Activity of heteropoly acid catalyst supported on active carbon for Friedel–Crafts reaction was predicted by Gaussian process regression (GPR), using the five main principal components of physicoch...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b5b27b7108e39dce9e07e2f2a1ffe69
https://doi.org/10.1021/ie102477y

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