Effect of Preparation Conditions on Properties of Pt-Re Catalysts Supported on Ceria-Zirconia in Water Gas Shift Reaction (WGSR)

被引：0

作者：

Gorlova, A. M. ^{[1
]}

Rogozhnikov, V. N. ^{[1
]}

Pechenkin, A. A. ^{[1
]}

Nikulina, I. E. ^{[1
]}

Potemkin, D. I. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Novosibirsk, Russia

来源：

NANOBIOTECHNOLOGY REPORTS | 2023年 / 18卷 / SUPPL 2期

基金：

俄罗斯科学基金会;

关键词：

PERFORMANCE;

D O I：

10.1134/S263516762460010X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The data obtained for the first time on the influence of the sequence of metal deposition and the conditions of formation of the Re-containing component on the properties of a series of catalysts 1.9 wt % Pt-1.8 wt % Re/Ce0.75Zr0.25O2 in the water gas shift reaction are presented. It is shown that catalysts in which platinum is deposited first have a content of both metals close to the expected level and make it possible to achieve the maximum CO conversion at a lower temperature compared to a monometallic platinum catalyst. Based on the data on CO chemisorption and calculations of the reaction rate per platinum surface area, it is assumed that the role of the Re-containing phase is to a greater degree related to the stabilization of a highly dispersed platinum state, rather than to participation in the catalysis of the reaction.

引用

页码：S279 / S285

页数：7

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[J]. Nanobiotechnology Reports, 2023, 18 : S279 - S285
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