- P-ISSN 1225-0163
- E-ISSN 2288-8985
평균입자크기가 200 ㎛인 코디어라이트 분말을 사용하여 다공성 필터를 제조한 후, 진공함침법으로 V2O5, CuO, LaCoO3 촉매를 담지시킨 후 NO와 SO2 기체를 촉매 담지 세라믹필터에 동시 통과시키면서 NOx/SOx의 동시제거효율을 측정하였다. 제조된 다공성 필터의 기공률은 61.6%였고, 압축강도는 12.3 MPa이었으며, 면속도 5 cm/sec에서의 차압은 147 Pa이었다. NO와 SO2의 동시제거효율을 분석해 본 결과, 페로브스카이트계 LaCoO3 촉매의 동시제거효율이 가장 우수함을 확인하였으며, LaCoO3 촉매의 NO에 대한 제거효율은 90% 이상, SO2에 대해서는 80% 이상이었다.
porous filters were manufactured using cordierite powder whose mean paricle size was 200㎛, they were loaded with catalysts such as V2O5, CuO and LaCoO3 by vacuum impregnation method. And the NOx/SOx simultaneous removal efficiency was measured by passing NO and SO2 through catalyst-loaded ceramic filters. The cordierite porous filters had the apparent porosity of 61.6%, the compressive strength of 12.3 MPa and the pressure drop of 147 pa at the face velocity of 5 cm/sec. According to the analysis of NO/SO2 simultaneous removal efficiency, perovskite LaCoO3 catalyst was the most efficient for the simultaneous NO and SO2 removal. The LaCoO3 catalyst-loaded filter could remove more than 90% for NO and more than 80% for SO2.