发明名称 |
METHOD FOR CLEANING USED DENITRATION CATALYST |
摘要 |
<p>Provided is a method for cleaning a used denitration catalyst, which prevents release of mercury to the atmosphere by collecting and removing mercury which would have been released to the atmosphere in the process of cleaning the used denitration catalyst. The method comprises immersing the used denitration catalyst mainly composed of titanium oxide and having been used in exhaust gas containing mercury in a cleaning liquid, and stirring the cleaning liquid to dissolve and remove catalyst poisons including the mercury from the used denitration catalyst, wherein a waste gas generated in the step of stirring the cleaning liquid is conducted to a flue having a mercury removal device so as to remove the mercury, and then vented to the atmosphere.</p> |
申请公布号 |
EP2517772(A4) |
申请公布日期 |
2013.08.14 |
申请号 |
EP20100839314 |
申请日期 |
2010.12.17 |
申请人 |
BABCOCK-HITACHI KABUSHIKI KAISHA |
发明人 |
IKEMOTO SEIJI;KATO YASUYOSHI;KAI KEIICHIRO |
分类号 |
B01D53/94;B01D53/64;B01D53/96;B01J20/02;B01J20/06;B01J20/08;B01J20/14;B01J20/20;B01J23/92;B01J38/48;B01J38/62 |
主分类号 |
B01D53/94 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|