【発明の名称】高温で安定な燃焼触媒及びその調製法ならびにその触媒を用いて化学反応を実施する方法

Japanese Patent JPH0824844

B2

PURPOSE:To obtain a catalyst having improved heat resistance by allowing a catalyst composition to be carried on a carrier comprised of a mixture of precursor consisting of a compound oxide of aluminium with one kind among La, Nd, and Pr, which is transformed to rare earth element beta-alumina by heating. CONSTITUTION:Alkali is added to a solution contg. a mixture of aluminum salt and at least one kind of salt of elements selected from La, Nd, and Pr to cause coprecipitation from the mixture. The coprecipitate is separated and molded to several shapes. The coprecipitate consists of a compound oxide of Al and said rare earth element(s). The compound oxide is calcined to a pecursor or a mixture of the precursor which can be transformed to rare earth element beta-alumina by heating at 1,000 deg.C for <=2hr, having at least >=10m<2>/g specific surface area. By using the calcined product as carrier, a catalyst stable at high temp. is obtd.

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Yamashita Hisao
Akira Kato
Mizumoto Mamoru
Matsudaira Matsuda

JP16232984A

March 13, 1996

July 31, 1984

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株式会社日立製作所

B01D53/86; B01D53/94; B01J23/10; B01J23/14; B01J23/26; F23C13/00; B01J23/34; B01J23/56; B01J23/63; B01J23/76; B01J32/00; C01C1/04; C01F17/00; C04B35/10; C07C1/04; C07C1/20; C07C5/27; C07C29/15; C07C31/04; C07C47/22; C10G11/02; C10G45/06; F23C99/00; (IPC1-7): B01J23/63; B01D53/94; B01J23/10; B01J32/00; F23C11/00

JP5099988A
JP50116504A
JP5090590A
JP5787839A
JP59169536A
JP5913544A
JP58122044A
JP59122044A
JP60222145A
JP6022929A
JP6135851A
JP5952529A
JP59142847A

Katsuo Ogawa (2 outside)

Next Patent: 水素酸化用合金触媒