文献类型：期刊文献

中文题名：V_2O_5/CNFs/蜂窝状堇青石催化剂的结构控制及其烟气脱硝性能

英文题名：Structure Control of V_2O_5/CNFs/Cordierite Monolith Catalyst and Its Catalytic Performance on NO Removal from Flue Gas

作者：王艳莉[1];王绪建[1];詹亮[1];乔文明[1];梁晓怿[1];凌立成[1]

机构：[1]华东理工大学化学工程联合国家重点实验室,上海200237

年份：2012

卷号：27

期号：8

起止页码：800

中文期刊名：无机材料学报

外文期刊名：Journal of Inorganic Materials

收录：CSTPCD;;EI(收录号：20124115554064);Scopus;北大核心:【北大核心2011】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金(20806024;50672025;50730003;51002051);中央高校基本科研业务费专项基金(WA1014016);国家863重点项目(2008AA062302)~~

语种：中文

中文关键词：蜂窝状堇青石;纳米碳纤维;脱硝;催化剂

外文关键词：cordierite monolith; carbon nanofibers; NO removal; catalyst

摘要：采用化学气相沉积法,在涂层Al2O3的蜂窝状堇青石表面生长纳米碳纤维（CNFs）,通过负载V2O5催化剂,制成低温蜂窝状脱硝催化剂.采用SEM、TEM、XRD和XPS等分析方法,对所制催化剂的物化性质及其脱硝性能进行了分析.研究结果表明,当CNFs在堇青石表面的生长厚度为0.74μm时,所制CNFs/堇青石载体的压缩强度达34.46 MPa;在150~250℃范围内,V2O5/CNFs/蜂窝状堇青石催化剂表现出较高的低温脱除NO活性,其中当CNFs的生长量为12.5%、V2O5担载量为1%时,在250℃下NO的转化率达95%左右.
Carbon nanofibers（CNFs） were grown on Al2O3-coated cordierite monolith by chemical vapor deposition.The microstructure of V2O5 catalyst supported on cordierite monolith with CNFs layer was investigated by using scanning electron microscope（SEM）,transmission electron microscope（TEM）,X-ray powder diffraction（XRD） and X-ray photoelectron spectroscope（XPS） techniques,as well as its activity for the selective catalytic reduction（SCR） of NO by NH3.The compressive strength of prepared CNFs/cordierite monolith composite was 34.46 MPa and the thickness of CNFs layer was 0.74 μm.The V2O5/CNFs/cordierite monolith catalysts had high NO removal activity in the temperature range of 150 250℃.When the CNFs yield and V2O5 loading were 12.5% and 1%,respectively,the NO conversion of the catalyst could reach 95% at 250℃.