公开(公告)号：US20230277968A1

公开(公告)日：2023-09-07

申请号：US18008160

申请日：2021-06-01

申请人： Rath GmbH

发明人： Vera FINKE ,  Michael STAEPS ,  Sylvia OTTO

IPC分类号： B01D39/20 ,  B01D46/00 ,  B01D46/24 ,  B01D53/88

CPC分类号： B01D39/2082 ,  B01D46/0001 ,  B01D46/2407 ,  B01D53/885 ,  B01D2258/01 ,  B01D2255/20707 ,  B01D2255/20723 ,  B01D2275/30 ,  B01D2279/60

摘要： The present invention relates to a hollow filter candle (1) which has, via impregnation of the inside with a catalyst solution, a concentration gradient of catalyst metals from the inside to the outside across the wall thickness thereof. The present invention furthermore relates to a method for producing a filter candle (1) according to the invention and the use of the filter candle (1) according to the invention for exhaust gas cleaning, in particular in waste incineration plants.