OCR Text |
Show A·4 1 0' N 0 ,.t 1 fI ~ QE. 1 0" ~ c: 1 0.2 .2 U 411 ~ • 1 0" "0 ~ 1 O~ ·50 ·40 ·30 ·20 ·10 0 Excess Air (%) Figure 7. Benzene, toluene, ethylbenzene, and xylene predicted by the model, plotted versus excess air (instead of distance) to demonstrate the oxidation of toxic species even prior to stoichiometric conditions. A ·1 _g_ O. 1 .. ·····t······~····f············(···o···i············i·· ....... . "2: : 2 : _ ~ ~ 0.0 1Cr J~~· .. l .....' ........ ,.~. . ~. .: .. ~ ........ l.. ........ • .~ :: X : : ; i 0.001 .. · _. A. ' .. :. .... L. .. CH·, i , i i ~ i 2 • ~ : : '" ; 0.000 1 ..... ~ ....... _ ....... _""""'-_.....L_ ....... ~---' o 20 40 60 80 100 120 X (cm) Figure 8. Mole fractions of fuel components and oxygen in the homogeneous reactor. N 200 r----..,..---..,..--...,.-----. o ~ ~ E 1 50 ................ : ................... :.. . ...... 4 •••••••••••••••• i 1:: :::::::::::::I::::l:::::r::-::: z 0""-__ _'_ __ """"'-______ --' o 10 20 30 4 0 Percent H2 In Fuel Figure 9. NOx concentration versus hydrogen content in the fuel. 8 |