Výsledky vyhledávání - "Tatsuya OKUBO"

Akademický článek

Synthesis and Structural Analysis of High‐Silica ERI Zeolite with Spatially‐Biased Al Distribution as a Promising NH3‐SCR Catalyst

Autor: Jie Zhu, Koki Muraoka, Takeshi Ohnishi, Yutaka Yanaba, Masaru Ogura, Akira Nakayama, Toru Wakihara, Zhendong Liu, Tatsuya Okubo

Publikováno v: Advanced Science, Vol 11, Iss 14, Pp n/a-n/a (2024)

Abstract Erionite (ERI) zeolite has recently attracted considerable attention for its application prospect in the selective catalytic reduction of NOx with NH3 (NH3‐SCR), provided that the high‐silica (Si/Al > 5.5) analog with improved hydrotherm

Externí odkaz: https://doaj.org/article/5b8fd26073b34525a9431bac40b98265

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Akademický článek

Linking synthesis and structure descriptors from a large collection of synthetic records of zeolite materials

Autor: Koki Muraoka, Yuki Sada, Daiki Miyazaki, Watcharop Chaikittisilp, Tatsuya Okubo

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-11 (2019)

Understanding zeolite synthesis-structure relationships remains challenging owing to the number of variables involved in their preparation. Here the authors analyze zeolite synthetic records from the literature via machine learning and find communiti

Externí odkaz: https://doaj.org/article/f44f17286b1940279fa414a08a0dbfa8

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Akademický článek

Exploring Hydrothermal Synthesis of SAPO-18 under High Hydrostatic Pressure

Autor: Raquel Simancas, Masamori Takemura, Yasuo Yonezawa, Sohei Sukenaga, Mariko Ando, Hiroyuki Shibata, Anand Chokkalingam, Kenta Iyoki, Tatsuya Okubo, Toru Wakihara

Publikováno v: Nanomaterials, Vol 12, Iss 3, p 396 (2022)

The effect of external hydrostatic pressure on the hydrothermal synthesis of the microporous silicoaluminophosphate SAPO-18 has been explored. The crystallization of the SAPO-18 phase is inhibited at 150 °C under high pressures (200 MPa) when using

Externí odkaz: https://doaj.org/article/be4c976d2a5e48d594f3ca872557ce9e

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Akademický článek

Cryogenic Hydrogen Adsorption onto H-, Li-, Na-Exchanged Zeolites with Various Si/Al Ratios

Autor: Masaru Kubo, Yoshihiro Kamimura, Keiji Itabashi, Tatsuya Okubo

Publikováno v: Adsorption Science & Technology, Vol 32 (2014)

We investigated the hydrogen-adsorption properties of four zeolites (FAU-, MFI-, *BEA- and MOR-type zeolites) with various Si/Al ratios and charge cations (H + Li + or Na + ), focusing particularly on the measurements of isosteric heat of adsorption

Externí odkaz: https://doaj.org/article/e64ce53c94a44281a5c6b79ec33bc8fc

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