文档介绍：维普资讯
第 38卷第 4期天津大学学报
2005年4月 University Tianjin of Journal
一种新型分子筛/堇青石整体式稀燃催化器的开发应用
王天友,李兰冬,刘书亮,关乃佳,李建文,王海
(,天津 300072;
,天津 300071)
摘要:应用原位合成技术制成了 TS一1分子筛/堇青石整体式稀燃催化剂,用来转化稀燃汽油机 NO x
射线衍射(XRD)、电子显微镜(SEM)和感应耦合等离子体(ICP)等表征手段验证了分子筛薄层成功地生长在堇青
石载体上,,该稀燃催化器对 NO 的转化效率可达 40%,对HC和 CO的
转化效率也分别达到 %.
关键词:原位合成;TS一1分子筛催化器;稀薄燃烧;NO 排放
中图分类号:TK401 文献标志码:A 文章编号:0493—2137(2005)04—0294—04
NewZeolite/Cordierite Monolithic Catalyst
in Lean-Burn Gasoline Engine
,LI ,LIU ,GUAN Shu1iang ,LI Nai-jia Jian—wen ,WANG Hai
( KeyEngines,Tianjin University,Tianjin 300072,China;
of New Catalytic Materials Science,Nankai Materials New of University,Tianjin 300071,China)
Abstract:Titanium silicalite(TS)was in—situ synthesized on the surface of b—shaped cordierite un— un— b—shaped of cordierite Abstract:Titanium surface the on synthesized silicalite(TS)wasin—situ
der hydrothennal conditions toreduce NO emissions of a lean—burn ,SEM and ICP techniques
confirmed thatTS一1 essfully grew on the surfacecordierite,and of titanium atoms had gotten
into intothe frameworks ofTS一1 oreover,the catalyst had good heat resistance in the presence ofwater.
Investigations on a lean burn engi