PREPARATION OF CERIUM DIOXIDE POWDERS FOR CATALYST SUPPORTS

被引：1

作者：

POWELL, BR ^{[1
]}

BLOINK, RL ^{[1
]}

EICKEL, CC ^{[1
]}

机构：

[1] GM CORP,RES LABS,DEPT PHYS CHEM,WARREN,MI 48090

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1988年 / 71卷 / 02期

关键词：

AUTOMOBILE ENGINES - Catalytic Converters - CATALYSTS - Fabrication;

D O I：

暂无

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Studies of the mechanisms by which cerium dioxide enhances automotive catalyst performance would be facilitated by the use of pure, high-surface-area forms of cerium dioxide. A cerium dioxide powder has been prepared by spray drying an aqueous solution of cerium nitrate, citric acid, and nitric acid. The thermal stability at temperatures from 500 degree to 1100 degree C has been determined and compares favorably to other CeO//2 powders. Microstructure evolution during thermal treatments is discussed and pelleting procedures are reported.

引用

页码：C104 / C106

页数：3

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