AMORPHOUS PEROVSKITE TYPE SUPPORTED CATALYST FOR REMOVING NITROGEN OXIDE AND PREPARATION THEREOF
PROBLEM TO BE SOLVED: To efficiently remove nitrogen oxide contained in a waste gas of plants, an exhaust gas or automobiles or the like by using an amorphous perovskite type carrier catalyst having a mixture of >=2 metal oxides carried on a carrying material and expressed by a specific formula....
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| creator | II SANHO KIMU KIYONMI PAKU SANUN JIYAN JIYONSAN II JIYONHE |
| description | PROBLEM TO BE SOLVED: To efficiently remove nitrogen oxide contained in a waste gas of plants, an exhaust gas or automobiles or the like by using an amorphous perovskite type carrier catalyst having a mixture of >=2 metal oxides carried on a carrying material and expressed by a specific formula. SOLUTION: The amorphous perovskite type carrier catalyst having large surface area, excellent in dispensability and activity and capable of removing nitrogen oxide is constituted so as to carry the mixture of >=2 metal oxides on the carrying material and is a catalyst expressed by a formula, (M a Ox . M 1-a Oy )(M b Oz .M 1-b Ow )/S. In the formula, each of M and M is a lanthanum series metal such as lanthanum, an alkali metal such as potassium, an alkaline earth metal such as strontium, each of M and M is a transition metal of the 1st period such as cobalt and copper. The ratio of (M +M ):(M +M ) is 0.1:1.0 to 3.0:1.0 and S is the carrying material containing silicon and aluminum. |
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SOLUTION: The amorphous perovskite type carrier catalyst having large surface area, excellent in dispensability and activity and capable of removing nitrogen oxide is constituted so as to carry the mixture of >=2 metal oxides on the carrying material and is a catalyst expressed by a formula, (M a Ox . M 1-a Oy )(M b Oz .M 1-b Ow )/S. In the formula, each of M and M is a lanthanum series metal such as lanthanum, an alkali metal such as potassium, an alkaline earth metal such as strontium, each of M and M is a transition metal of the 1st period such as cobalt and copper. 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SOLUTION: The amorphous perovskite type carrier catalyst having large surface area, excellent in dispensability and activity and capable of removing nitrogen oxide is constituted so as to carry the mixture of >=2 metal oxides on the carrying material and is a catalyst expressed by a formula, (M a Ox . M 1-a Oy )(M b Oz .M 1-b Ow )/S. In the formula, each of M and M is a lanthanum series metal such as lanthanum, an alkali metal such as potassium, an alkaline earth metal such as strontium, each of M and M is a transition metal of the 1st period such as cobalt and copper. The ratio of (M +M ):(M +M ) is 0.1:1.0 to 3.0:1.0 and S is the carrying material containing silicon and aluminum.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | AMORPHOUS PEROVSKITE TYPE SUPPORTED CATALYST FOR REMOVING NITROGEN OXIDE AND PREPARATION THEREOF |
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