新型复合金属氧化物催化剂用于汽车尾气NOx 净化的实验 - 环境科学.PDF

1998 5 ENV IRON M ENT A L SCIEN CE M ay , 199 8 x * NO 徐春保　吴胜利　苍大强　寿秋爽 ( , 100083) , , WCX -I( R e-N -Co-Cu -O / Fe O ) CO N O x 2 3 , , . - / / CH4 N O SO2 W CX I N O CO N O CH4 . , 400 CO N O 93% , 600 CH 4 N O 92% . 1000ml/ m 3 SO -N 1. 0% CO -10% C O -N 2 2 2 2 N O/ CO . , , N Ox , . Experimental Study on Purification of NOx in Automobile Exhaust - Using a New Type of Complex Metal Oxide Catalyst X u Chunbao Wu Sheng l Cang Daq angSho u Q ushuang ( M et allu rg cal Eng neer n g S chool , U n v . of Sc . T ech. Be j n g , Be j ng 100083) , Abstract S m ulat ng t he compos t ons o f aut omob le ex hau st some st ud es o n a new t ype of co mpl ex met all c o x de cat alyst W CX -I ( Re-N -Co -Cu -Ox / Fe2O3 ) hav e been conducted n a f x ed-bed r eacto r by t he aut ho rs . T hese st ud es nclude cataly t c act v t y of t he cat alyst o n N O/ / 4 , 2 - - . CO and N O CH react ons r es st ance t o SO po son ng and carbon depo s t o n T he ex per men- tal result s sho wed t hat t he cat alyst not only g ves bet t er cataly t c act v t y on N O/ CO react on and N O/ CH4 react on at h g her temperatures , e. g . h g her t han 93% st able r educt o n rat o ( SR R) w as ach ev ed w hen