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I(y)(w)

ڵλãW(wng)վ(y) ɫ(yu)(sh) I(y)(w)  

SCRÓO(sh)䷴(yng)ԭ

2021-9-27|l(f)ݰh(hun)Ƽ޹˾|c(din)(sh): 1982


һ͜SCRÓϵy(tng)(yng)ԭ

SCRȫQxԴ߻߀ԭ(Selective Catalytic Reducation)ĿǰI(y)ϑ(yng)***VһNÓg(sh)ɑ(yng)վ偠tI(y)偠tٟȼO(sh)NOxŷſB(ti)£ʹNOx Ó_(d)90%Ŀǰҵ***õĹ̶ԴNOxļg(sh)

͜SCRķ(yng)ԭͬð֮߀ԭһĜضͨ^߻ã߀ԭUеNOx(NONO2)NOxD(zhun)ȾԪطӵ(N2)NOxcķ(yng)£

4NO+4NH3+O2         4N2+6H2O

2NO2+4NH3+O2         3N2+6H2O

NO+NO2+2NH3         2N2+3H2O

SCRϵy(tng)(yng)ԭʾD

͜SCRÓQ

1

˾͜SCRÓϵy(tng)xõm^͜ضȗlµV-TiSCRÓ߻ԓ߻ͨ^sXxӌ(du)y(tng)߻M(jn)˸ʹڟضȃH160 r(sh)ÓЧҲܱ90 %ԓ߻160--400 Ĝضȷ(ni)_(d)90 %ϵÓЧ

(dng)ǰJTiO2к܏(qing)ĿжTiO2Vdwؓ(f)d͜SCRĴ߻Donovan A ȷքeJ⁵VTiO2ؓ(f)dVCrMnFeCoNiCu߻(du)M(jn)ˌ(du)оY(ji)120£Nؓ(f)dĻԿɺ(jin)αʾ飺 Mn>Cu>Cr>Co>Fe>V>>NiMn/TiO2߻***ߣN2xԺNOxD(zhun)ʾ***һNĴ߻

WuùƂMnOx/TiO2߻͜x߀ԭ150~250NOxÓ90% ϡJ(rn)ؓ(f)dM(jn)nOx/TiO2ÓNOxЧʣn(Mn)/n(Ti)=0.4r(sh)***ֵ⣬NOxD(zhun)SO2ȵӶ(dng)O2we?jn)?sh)3% r(sh)NOxÓ_ʼ׃?yu)鶨ֵ?dng)NH3^͕r(sh)NOxD(zhun)SNH3ȵӶ(dng)NH3^tÓЧʾSֵֶ


1͜Ó+ɷÓ+ʽm

͜Ó+ɷÓ+ʽm

2͜Ó+ɷÓ+ʽm

͜Ó+ɷÓ+ʽm

3ɷÓ+ʽm+ ͜Ó

ɷÓ+ʽm+ ͜Ó

4МÓ+ɷÓ+ʽm

МÓ+ɷÓ+ʽm


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