OCR Text |
Show 80~----~------________________ --~ 70 60 C;'e 0;50 c '2 'm 40 E Q) 0 30 z 20 100k AR-Rich with Na2C03 IJ : ARlNH~a ~ /;: / ~ " .. / ,,~. Rebum only : ~ •• ) ............................~ ............................ ~ ...................... ···1··· ... 't'"' ~. .......... i·· ......... . ............................ ~ ............................ ~/ •. ~ ..... ~ .. ~ .. ~.~.~.~.r.................... . ..... 1 .... / • . ARlN: H3 / /A~ 'R/U rea :~ ~~ " .................................................... .". ..; ~ .. ~ ••••••••.•••..•.•••••.•••••• "• •......•••••••••..••••..•••< •• •••••••••••• ... . A,,' : 1 ./ 1 ,.0 0-'"-.,. ~- , : : /;," ... Ir .... "~"~~~;·~·~ ·· ·············=?:;;'t·I·· ......... . 10 . . ~-:=~- ! . .. ARiUrea/Na ! O+-------.-------~------~----~~~ 1150 1250 1350 1450 1550 N-agent injection temperature, K Figure 6. CIT experimental results: 10% AR-Rich. SR2=0.99, OFA injected at 1155 1(, NSR= 1.5; 15 ppm Na2C03 added with N-agent. 50~----~--~----------------------- AR-Rich: effect of Na2C03 ~ 40 ..ju.:u j u.u.;.!. c0 ;30 .................. !. ................... j. .............•••.•. ~ ••...••.••.•......... ~. ........................................ . ''mc E ~20 O . z ... ~- - - :---~---- -- 1 0 ····· .. ···ARftrJHj/Na-····j····················r·················1··································· .. ····· O+-----r---~----~----~----------~ o 20 40 60 80 100 120 Na in flue gas, ppm Figure 7. CIT experimental results: effect of Na2C03 on AR-Rich. SR2=0.99, OFA added at 1155 K, NSR=1.5, N-agent and N~C03 injected at 1380 K. 18 |