内燃机紧耦合三效催化剂性能研究.pdfVIP

第31 卷第9 期 合肥工业大学学报( 自然 科 学 版 ) V ol. 3 1 N o . 9 200 8 年9 月 JO U RN AL O F H E FEI U N IV E RSIT Y OF T E CH N OL O GY Sept. 2008 1 2 3 1 1 王继先 , 王大祥 , 黄新林 , 业红玲 , 曹 丽 ( 1. , 230036; 2. , 300 162; 3. , 23000 1) , Pd- YCZ , ; , Pd- Y CZ , , P d- Y CZ ; ; T P336; U 482 A 100 3- 5060 ( 200 8) 09- 13 86-04 Perf ormance study of engine close- coupling catalyst 1 2 3 1 1 WA N G Ji- xian , WA N G Da- x iang , H U A N G X in- lin , Y E H ong- ling , CA O L i ( 1. C ol lege of En gineering , A nh ui A gricult ural U niv ers it y, H ef ei 230036, China ; 2. C hina A ut omot iv e T echn ol ogy an d R esearch Cent er , T ianjin 300 162, C hina; 3. A nhui A nkai Fu ti an Shu guan g A xl e Co . , Ltd. , H ef ei 23000 1, C hina) Abstract :T he cataly st is the co re part of a cat alyt ic conv ert er, w hich aff ect s main p er for mance index es of t he cat alyt ic conver ter . T he p aper present s the Pd- Y CZ cat alyst design and processing t echnolog ical pro cess in det ail. P er for mance t est s o f t he P d- Y CZ cat aly st are carried o ut in term s of t he cat alyz ed conversio n rate, co mbustion temp erat ure, air-fu el rat io ch ar act eristic and ant-i high t emperat ur e abili- t y . T he ex p erim ent al result s show t h at t he p er for mance of t he Pd- Y CZ cat alyst is goo d. A s a result, it meet s w ell w it h t he op erat ion requ irem ent s of t he cat alyt ic convert er, and it is valu able f or f urt her development o f t he cataly tic conver ter . Key words: