Urea-SCR 시스템에서의 Cu-ZSM5/알루미나 비드 촉매필터의 De-NOx 특성De-NOx Characteristics for Cu-ZSM5/Alumina Beads Catalyst Filter in Urea-SCR System
- Other Titles
- De-NOx Characteristics for Cu-ZSM5/Alumina Beads Catalyst Filter in Urea-SCR System
- Authors
- 장영상; 신영섭; 이병준; 박재구
- Issue Date
- Sep-2008
- Publisher
- 한국자동차공학회
- Keywords
- 다공성 세라믹 비드; Cu-ZSM5; 촉매필터; 디젤자동차; Porous ceramic beads; Cu-ZSM5(zeolite secony mobile-5); Catalyst filter; Diesel Vehicle
- Citation
- 한국자동차공학회 논문집, v.16, no.5, pp.60 - 67
- Indexed
- KCI
- Journal Title
- 한국자동차공학회 논문집
- Volume
- 16
- Number
- 5
- Start Page
- 60
- End Page
- 67
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/177919
- ISSN
- 1225-6382
- Abstract
- The catalytic filter of Cu-ZSM5/alumina beads was considered to reduce NOx in the urea SCR system. Catalytic support of porous alumina beads with mean pore size 130㎛ and porosity 75~83% were prepared using foaming and gel-casting method. The Cu-ZSM5 catalysts were coated on the supporting alumina beads using Cu(NO3)2 by ion exchange method. After a washcoating process was applied to coat 10w% Cu-ZSM5 on porous alumina bead, coating layer was estimated 20㎛ in thickness. The characterization and the feasibility as a catalytic supports were investigated. And the NOx conversion test in Cu-ZSM5/Alumina Beads filter system was conducted by using Urea as reductants under laboratory test. The NOx conversion was increased as size and porosity of beads and observed more than 95% excellent NOx conversion above 300°C
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