Catalyst

Cov yam ntxwv ntawm ntau hom scr denitrification

SCR Catalyst

Tsawg temp

Nruab nrab temp

Kub kub

Catalyst Hom

CuO-SCR

VWT-SCR

Fe-Zeolite

Thaum tshav kub kub kuj

180-500 Nws

200-450

350-550

Optimal temp

200-280 Nws

280-420 : kuv

400-530 Nws

Sulfur kuj

Tsawg

Siab

Roj sulfur cov ntsiab lus

25 ppmlos yog tail gas uas muaj sulfur 2ppm ua

Kev laus tsis kam

Siab

qis

Siab

Qhov siab tshaj plaws DeNOx efficiency

98%

98%

98%

Reaction sib npaug

COV (NH2) 2 + H2O → 2 NH3 + CO2

8 NH3 + 6 NUG2 → 7 Nr2 + 12 H2O

4 NH3 + 4 NOS + O2 → 4 N2+ 6 H2O

2 NH3 + TSIS + NO2 → 2 N2+ 3 H2O

Catalyst

Kev xaiv Catalyst: Cov neeg siv khoom tuaj yeem xaiv ntau hom thiab cov qauv ntawm
catalysts raws li qhov sib txawv daim ntawv thov scenarios.