REACTIONS IX BLAST FURNACES. 743 



C oxidized by J CO* expelled from carbonates in zone 1,095 C. (0.9C70 pounds 



CO*) ' 2637 



C oxidized by i CO* expelled from carbonates in zone 1,200 C. (0.8288 pounds 



CO,) - 226( > 



9. 41 



Total C oxidized in zone 780 C 6.4144 



Total CO formed in same zone 29.9339 



Of this latter t here is used for reduction of ore 4. 3172 



Leaving for escaping CO 25.6167 



Zone of reduction 885 C. 



Weight of charge entering zone 435,5664 



It loses: 



One-eleventh of the total loss in dust and fumes 0.5293 



The remaining j of oxygen from total PbO reduced 2.4670 



Oxygen from MnO* reduced to MnO 2.2430 



Oxygen from Fe*0s reduced to Fes04 3.2080 



(Total oxygen 7.9180. This forma with CO 21.7745 pounds CO*, of which j 

 is reduced in upper zones, while J escapes.) 



C oxidized by J CO2 formed in zone 990^ C. (3.5288 pounds CO*) 0. 9624 



C oxidized by J CO* formed in zone 1,095 C. (0.8023 pounds CO*) 0. 2406 



C oxidized by ft CO* formed in zone 1,200 C. (21.417 1 pounds CO*) 5. 84 10 



C oxidized by J CO? expelled from carbonates in zoue 990 C. (1.1604 pounds 



CO*) '. - 3165 



C oxidized by J CO; expelled from carbonates in zone 1,095 C. (0.9670 pounds 



CO,) O- 2637 



C oxidized by I, CO* expelled from carbonates in zone 1,200 C. (0.8289 pounds 



C0 2 ) 8.2281 



16. 2976 



Total C oxidized in zone 885 C 7.8503 



Total CO formed in same zone 36. 6347 



Of this latter there is used for reduction of ore 13.3565 



Leaving for escaping CO 22. 7782 



Zone of semi-ayylomeration 990 C. 



Weight of charge entering zone 419.2688 



It loses : 



One-eleventh of total loss in dust and fumes 0.5293 



One-third of CO* from carbonates 5.8020 



(Of this ^ is reduced in upper zones, while i escapes.) 



Oxygen from FeaOa reduced to FeO 6. 4160 



(This forms with CO 17.6440 pouuds CO*, of which j is reduced in upper 

 zones, while J escapes. ) 



C oxidized by J CO* formed in zone 1,095 C. (0.8823 pounds CO*) 2407 



C oxidized by ft CO* formed in zone 1.200C. (32.1256 pounds CO*) 8.761(i 



C oxidized bv J CO* expelled from caibonatesin zone 1,095 C. (0.9670 pounds 



CO*) ' - 2 < 7 



C oxidized by \ CO* expelled from carbonates in zoue 1,200 C. (0.8289 pounds 



CO,) O- 2261 



22. 2395 



Total C oxidized in zone 990 C : 0.4921 



Total CO formed in same zone 44.2965 



Of this latter thero is used for reduction of ore 11.2280 



Leaving for escaping CO 33. 0685 



