What is the role of silicon in BF reaction?
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The coke burns in the raceway infront of tuyeres ,thus releasing coke ash containing sio2. Sio2+3c=sic+2co Sic+co=sio+2c Sio vapour is unstable when it rises upwards in the bosh. Therefore in this region si gets transferred into liquid Fe. Sio+ c=si+co Or, by decomposition as 2sio=sio2+2si Feo(in slRead more
The coke burns in the raceway infront of tuyeres ,thus releasing coke ash containing sio2.
Sio2+3c=sic+2co
Sic+co=sio+2c
Sio vapour is unstable when it rises upwards in the bosh. Therefore in this region si gets transferred into liquid Fe.
Sio+ c=si+co
Or, by decomposition as
2sio=sio2+2si
Feo(in slag) +sio=Fe+sio2
In whichever way it is formed, sio2 joins the slag phase.
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