Title:
低下された最大被還元温度を有する、ジルコニウム、セリウムおよび別の希土類の酸化物を含有する組成物、これらの調製方法および触媒の分野におけるこれらの使用
Document Type and Number:
Japanese Patent JP5667643
Kind Code:
B2
Abstract:
A composition is described that includes oxides of zirconium, cerium and another rare earth different from cerium, having a cerium oxide content not exceeding 50 wt % and, after calcination at 1000° C. for 6 hours, a maximal reducibility temperature not exceeding 500° C. and a specific surface of at least 45 m2/g. The composition can be prepared according to a method that includes continuously reacting a mixture that includes compounds of zirconium, cerium and another rare earth having a basic compound for a residence time not exceeding 100 milliseconds, wherein the precipitate is heated and contacted with a surfactant before calcination.
Inventors:
イフラー，シモン
ロアール，エマニユエル
エルナンドウ，ジユリアン
ドウネール，ステフアンヌ
ロアール，エマニユエル
エルナンドウ，ジユリアン
ドウネール，ステフアンヌ
Application Number:
JP2012547519A
Publication Date:
February 12, 2015
Filing Date:
January 10, 2011
Export Citation:
Assignee:
ロデイア・オペラシヨン
International Classes:
C01G25/00; B01D53/94; B01J23/10; B01J37/03; F01N3/10
Attorney, Agent or Firm:
In the patent business corporation Kawaguchi 國 case, it is a patent firm.