Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-02-01
1978-06-06
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
4232135, B01J 2104, B01J 2374
Patent
active
040935612
ABSTRACT:
Disclosed is a substance which is obtained by calcining an iron hydroxide or a water-containing iron oxide and coating the surface of the resultant calcined product with alumina. This substance is useful as a catalyst in the removal of nitrogen oxides from an exhaust gas containing the nitrogen oxides.
REFERENCES:
patent: 3816594 (1974-06-01), Kobylinski et al.
patent: 3987146 (1976-10-01), Clay et al.
Hatayama Yoshio
Nishikawa Yasuo
Sugimoto Tetsuya
Watanabe Akira
Yabuki Kazuyasu
Kyushu Refractories Co., Ltd.
Shine W. J.
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