Page 40 - 《华中农业大学学报（自然科学版）》2020年第5期

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华 中 农 业 大 学 学 报 第 ３９ 卷
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Perovskitecatal y stsforselectivecatal y ticreductionofNO x withNH ３

１ , ２ , ３ １ , ２ , ３ ３ １ , ３
TUO Kai , ZHANGPen g , WANGLi , HUANG Yu
１．Instituteo fEarthEnvironment , ChineseAcadem yo fSciences , StateKe yLaborator yo f
,
LoessandQuaternar yGeolo gy Xi ’ an７１００６１ , China ;
２．ChinaUniversit yo fChineseAcadem yo fSciences , Bei j in g１０００４９ , China ;
３．Ke yLaborator yo fAerosolChemistr yandPh y sics ,
ChineseAcadem yo fSciences , Xi ’ an７１００６１ , China

)
Abstract Ammoniaselectivecatal y ticreductionofnitro g enoxides ( NO x technolo gywithV ２O ５ Ｇ
(
WO ３ MoO ３ )/ TiO ２asthecorecatal y stiscurrentl ywidel yused．Butithasman yp roblemssuchasnarＧ
rowandhi g hＧtem p eraturewindow , eas ytop oisonb yalkaliinactivation , vanadium＇sbiolo g icaltoxicit y
andsecondar yp ollutiontotheenvironment , whichre q uireresearcherstodevelo pnewefficientandenviＧ
ronmentall y friendl ycatal y sts y stems．Duetotheiruni q uestructure , oodstabilit yandenvironmentall y
g
friendl ycharacteristics , erovskitematerialshavebecomearesearchhots p otinthefieldofselectivecataＧ
p
l y ticreductionofNO x．Wereviewdtheresearchp ro g ressof p erovskiteNH ３ ＧSCRcatal y stsathomeand
abroadinrecent y ears , andcom p rehensivel ydiscussedthemaint yp es , denitrificationactivit yandstrucＧ
tureＧactivit y relationshi pof p erovskitecatal y sts．Atthesametime , theresearchp ro g ressof p erovskitein
thenewfieldof p hoto p hotoＧassistedSCRtechnolo gywasintroduced．Inaddition , wesummarizedthereＧ
searchontheNH ３ ＧSCRreaction mechanism ofp erovskitecatal y sts , andp ros p ectdthep ossiblefuture
develo p mentdirectionsandresearchg oalsofthisfield．
p
Ke y words ammoniaselectivecatal y ticreduction ; erovskite ; catal y sts ; denitrificationactivit y ;
;
NO x NH ３ ＧSCR mechanism ; air p ollutioncontrol
( 责任编辑: 赵琳琳)