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OALib Journal期刊
ISSN: 2333-9721
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v？sb？nb/tio2催化剂的制备及其抗中毒性能研究
, PP. 72-76
Keywords: 烟气脱硝,催化剂,碱金属,碱土金属,活性,脱硝效率
Abstract:
采用浸渍法制备了负载sb、nb的v-sb-nb/tio2催化剂,研究了典型中毒物质对其脱硝活性的影响,并将其催化性能与v2o5/tio2、v2o5-wo3/tio2做了比较。结果表明,v2o5/tio2相比,v-sb-nb/tio2具有良好的抗金属氧化物及氯化物中毒的能力,同时其抗氯化物中毒的性能优于v2o5-wo3/tio2。另外,在v-sb-nb/tio2催化剂的基础上添加少量的wo3可以进一步提高催化剂脱硝活性。试验表明,sb和nb氧化物替代v2o5-wo3/tio2催化剂(vwti催化剂)中的wo3在经济技术上可行。
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