发明名称 |
CATALYST COMPOUND FOR PURIFYING EXHAUST GAS, CATALYST COMPRISING THE COMPOUND, AND PROCESSES FOR PRODUCING THEM |
摘要 |
The invention is to provide (i) a catalyst which does not require an activation of catalyst components by means of a calcination which has become a hindrance in the way of obtaining a catalyst having a high activity through a conventional technology and in which catalyst the compositing of vanadium with molybdenum is contemplated more than enough; ii) a method for producing the catalyst; (iii) a catalyst having an activity, especially having an activity at low temperatures and a durability both greatly increased; (iv) a catalyst compound for purifying an exhaust gas, in which compound the ratio of vanadium atom to molybdenum atom (V/Mo) is 3/2 or close thereto and which compound is expressed by the rational formula (NH4 )x Mo2V x Q(3x+6) wherein x is 2.8 to 3.2; and (v) a method for producing the catalyst compound through a step for reacting molybdenum oxide (MoO3) with ammonium metavanadate (NH4VO3) in the co-presence of water for a prescribed period of time.
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申请公布号 |
CA2427081(C) |
申请公布日期 |
2007.06.26 |
申请号 |
CA20002427081 |
申请日期 |
2000.10.26 |
申请人 |
BABCOCK-HITACHI KABUSHIKI KAISHA |
发明人 |
KATO, YASUYOSHI;FUJISAWA, MASATOSHI;YOKOYAMA, KOUICHI |
分类号 |
B01J27/24;B01D53/86;B01D53/94;B01J21/06;B01J21/12;B01J23/00;B01J23/22;B01J23/28;B01J31/12;B01J37/02;C01G39/00 |
主分类号 |
B01J27/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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