In:
Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 550-553 ( 2012-7), p. 128-131
Abstract:
In this dissertation, combinatorial chemistry was adopted, and the activities of a series of VCuMn/TiO 2 catalysts prepared by impregnation method for middle-low temperature SCR of NO x were evaluated. The activity datas showed that 2V2Cu8Mn/TiO 2 exhibited better activity. At 200 °C, above 70% NO x conversion were both obtained with a gas hourly space velocity of 60,000 h -1 , and NO x conversion of 2V2Cu8Mn/TiO 2 reached nearly 100% at 275~325 °C. The X-ray diffraction characterization showed that the CuO and Mn 2 O 3 phases in VCuMn/TiO 2 catalysts were the main active site and with better SCR activity at middle-low temperature. In addition, sulfur-resistance of VCuMn/TiO 2 catalysts were investigated, NO x conversion on 2V2Cu8Mn/TiO 2 was above 60% at 250 °C after feeding SO 2 (600 ppm). It can be concluded that the modified VCu/TiO 2 catalyst by adding manganese obtained a good de-NO x activity in a high sulfur content gas stream.
Type of Medium:
Online Resource
ISSN:
1662-8985
DOI:
10.4028/www.scientific.net/AMR.550-553
DOI:
10.4028/www.scientific.net/AMR.550-553.128
Language:
Unknown
Publisher:
Trans Tech Publications, Ltd.
Publication Date:
2012
detail.hit.zdb_id:
2265002-7