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
收藏
页码：S279 / S285
页数：7
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