
基本信息:
- 专利标题: 一种提高低温起燃性能净化催化剂的制备方法
- 专利标题(英):Preparation method of cleaning catalyst capable of increasing low-temperature initiation performance
- 申请号:CN200810225539.1 申请日:2008-11-05
- 公开(公告)号:CN101385973A 公开(公告)日:2009-03-18
- 发明人: 肖彦 , 张燕 , 袁慎忠 , 刘毅 , 赵耀武 , 鞠文鹏 , 王林江 , 吴群英 , 郭子峰 , 陈楠
- 申请人: 中国海洋石油总公司 , 中海油天津化工研究设计院
- 申请人地址: 北京市东城区朝阳门北大街25号
- 专利权人: 中国海洋石油总公司,中海油天津化工研究设计院
- 当前专利权人: 中国海洋石油总公司,中海油天津化工研究设计院
- 当前专利权人地址: 北京市东城区朝阳门北大街25号
- 主分类号: B01J23/63
- IPC分类号: B01J23/63 ; B01J37/02 ; B01D53/94
The invention provides a preparation method used for tail gas purification catalyst with high/low temperature burn-starting performance; the catalyst comprises rare earth composite oxide, alumina, ceramic honeycomb carrier, and active components generated by at least a noble metal salt or noble metal colloid solution such as salt solution or colloid solution of rhodium chloride, rhodium nitrate, palladium nitrate, palladium chloride, platinum nitrate, chloroplatinic acid and the like; during the preparation process, a three-effect catalyst which is applied on gasoline automobiles, liquefied petroleum gas or compressed natural gas automobiles by an improved dry-mixed pre-grinding process and a multi-coating multi-dispersion method; the catalyst has excellent combustion initiation performance, high catalysis activation and high thermal stability, and can lead the tail gas exhaust of the automobiles to achieve the strict national IV standard limit value requirement.
公开/授权文献:
- CN101385973B 一种提高低温起燃性能净化催化剂的制备方法 公开/授权日:2011-04-27
IPC结构图谱:
B | 作业;运输 |
--B01 | 一般的物理或化学的方法或装置 |
----B01J | 化学或物理方法,例如,催化作用、胶体化学;其有关设备 |
------B01J23/00 | 不包含在B01J21/00组中的,包含金属或金属氧化物或氢氧化物的催化剂 |
--------B01J23/16 | .砷、锑、铋、钒、铌、钽、钋、铬、钼、钨、锰、锝或铼的 |
----------B01J23/40 | ..铂系金属的 |
------------B01J23/56 | ...铂系金属 |
--------------B01J23/63 | ....与稀土或锕系元素结合 |