Mordenite-stabilised rhenium catalyst for partial oxidation of methane to syngas

被引：5

作者：

Li, Lingcong ^{[1
]}

Shrotri, Abhijit ^{[1
]}

Kato, Kazuya ^{[1
]}

Fukuoka, Atsushi ^{[1
]}

Kobayashi, Hirokazu ^{[1
,2
]}

机构：

[1] Hokkaido Univ, Inst Catalysis, Kita 21 Nishi 10,Kita Ku, Sapporo, Hokkaido 0010021, Japan

[2] Univ Tokyo, Komaba Inst Sci, Grad Sch Arts & Sci, 3-8-1 Komaba,Meguro Ku, Tokyo 1538902, Japan

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2023年 / 13卷 / 18期

基金：

日本学术振兴会; 日本科学技术振兴机构;

关键词：

SYNTHESIS GAS; NATURAL-GAS; ZEOLITE;

D O I：

10.1039/d3cy00077j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Partial oxidation of methane (POM) to syngas, a mixture of CO and H-2, has remained a challenge for utilising natural gas efficiently. Rhenium (Re) shows unique catalytic activity in this reaction, but it is easily deactivated by oxidation. This work shows that mordenite (MOR)-supported Re catalyst is significantly more active and resistant to oxidising conditions than typical oxide-supported Re catalysts. POM with Re/MOR produces CO in 52% yield and H-2 in 55% yield at a low temperature of 600 & DEG;C. Characterisation of the catalysts has indicated that MOR stabilises low-valent Re species that work for POM. The low-valent Re species produces CO from methane in the presence of O-2, presumably via a direct oxidation pathway.

引用

页码：5190 / 5196

页数：8

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