Zobrazeno 1 - 10 of 223 pro vyhledávání: '"Masaru Ogura"'
1
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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2
Akademický článek
Simultaneous removal of NO and N2O in the coexistence of NH3 and CH4 on Ion-exchanged zeolites
Autor: Shuran Liu, Shunsuke Hayashi, Masaru Ogura
Publikováno v: Catalysis Communications, Vol 184, Iss , Pp 106804- (2023)
In this work, a series of ion exchanged Me-MFI zeolites (Me = Al, K, Ca, Mn, Fe, Co, Ni, Cu, Zn, Ga, Pd, Ag, In, Ir, Pt) was adopted as catalysts for the removal of NO and N2O by selective catalytic reduction (SCR) with NH3 and CH4. MFI zeolite struc
Externí odkaz: https://doaj.org/article/17cd31d2f7bc4158968e30ecce173f76
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3
Akademický článek
CO-assisted partial oxidation of methane and selective C1 oxygenate formation using iridium-ZSM-5 catalyst.
Autor: Takahiko Moteki, Naoto Tominaga, Masaru Ogura
Publikováno v: Bulletin of the Chemical Society of Japan; May2024, Vol. 97 Issue 5, p1-4, 4p
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7
Synthesis of titanosilicate nanoparticles with high titanium content from a silsesquioxane-based precursor for a model epoxidation reaction
Autor: Takahiko Moteki, Tomohiro Sei, Masaru Ogura
Publikováno v: Nanoscale.
Bottom-up synthesis of titanosilicate nanoparticles was demonstrated with using a Ti-incorporated cubic silsesquioxane cage as a precursor. The catalytic tests suggest that well-dispersed and stabilized Ti species served as the active sites.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d255ad72f352f4fdb77e2d60e6fdf10e
https://doi.org/10.1039/d3nr01385e
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8
Selective catalytic reduction of NO over Cu-AFX zeolites: mechanistic insights from in situ/operando spectroscopic and DFT studies
Autor: Naoto Nakazawa, Takehiro Amada, Ken-ichi Shimizu, Hiroe Kubota, Takashi Toyao, Satoshi Inagaki, Masaru Ogura, Yoshihiro Kubota, Chong Liu, Zen Maeno
Publikováno v: Catalysis Science & Technology. 11:4459-4470
In situ/operando spectroscopic experiments and DFT calculations were combined to study the selective catalytic reduction of NO with NH3 (NH3-SCR) over Cu-AFX zeolites. Transient experiments (in situ/operando XANES, IR, and UV-vis) on the reduction ha
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d581f5fb2b30e2c4ec4ccb180ad60df3
https://doi.org/10.1039/d1cy00282a
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9
High NH3-SCR reaction rate with low dependence on O2 partial pressure over Al-rich Cu–*BEA zeolite
Autor: Takeshi Ohnishi, Masaru Ogura, Takahiko Moteki, Yusuke Ohata
Publikováno v: RSC Advances. 11:10381-10384
Dependence of NH3-SCR reaction rate on O2 partial pressure was investigated at 473 K over Cu ion-exchanged MOR, MFI, CHA and *BEA zeolites with varying “Cu density in micropores”. Among the zeolites, Cu–*BEA zeolite demonstrated promising poten
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a013a5939d58b9545d40d67f123e4823
https://doi.org/10.1039/d1ra00943e
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10
Selective methanol formationviaCO-assisted direct partial oxidation of methane over copper-containing CHA-type zeolites prepared by one-pot synthesis
Autor: Takahiko Moteki, Sibel Sogukkanli, Masaru Ogura
Publikováno v: Green Chemistry. 23:2148-2154
Direct conversion of methane into methanol at low temperature is a promising process for the efficient utilization of abundant methane as energy and chemical resources, and metal-loaded zeolites have been recently focused as a new candidate catalyst
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24981fd420825c3158a531129531dfd1
https://doi.org/10.1039/d0gc03645e
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