I 



IIEACTIONS IN BLAST FURNACES. 743 



C oxidized by J CO-j expelled from carbonates in zone 1,095° C. (0.9G70 pounds 

 COil 0.2637 



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

 COi) 0.2260 



n. 41 



Total C oxidized in zone 780° C 6.4U4 



Total CO formed in same zone 29. 9339 



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



Leaving for escaping CO 25. 0167 



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 i.f oxygen from total PbO reduced 2.4670 



Oxygen from Mn02 reduced to MnO 2.2430 



Oxygen from FcjOa reduced to Fe304 3.2080 



(Total oxygen 7.9180. This forms with CO 21.7745 pounds COj, of which } 

 is reduced in npper zones, while J escapes.) 



C oxidized by J COj formed in zone 990° C. (3.5288 pounds COj) 0. 9624 



C oxidized by J CO? formed in zone 1,095° C. i0.8«23 pounds CO2) 0.2406 



C oxidized by f^COa formed in zone 1,200° C. (21.4171 pounds CO2) 5.8410 



C oxidized by ^ CO2 expelled from caibonates in zone 990° C. (1.1604 pounds 



COz) 0.3165 



C oxidized by JCO2 expelled from carbonates in zone 1,095° C. (0.9670 pounds 



COs) 0.2637 



C oxidized by JCO2 expelled from carbonates in zone 1,200° C. (0.8289 pounds 



CO2) 8.2261 



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-ariffloineration OOC^ C. 



"Weight of charge entering zone 419 



It loses: 



One-eleventh of total loss in dnet and fumes 0.5293 



One-third of CO2 from carbonates 5.8020 



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



Oxygen from FeaOa reduced to FeO 6.4160 



(This forms with CO 17.6440 pounds CO2, of which | is reduced in upper 

 zones, while J escapes. ) 



C oxidized by J C02 formed in zone 1,093° C. (0.8823 pounds CO2) 2407 



C oxidized by A CO2 formed iu zone 1,200° C. (32.1256 pounds CO2) 8.7616 



C oxidized by i CO2 expelled from caibonates in zone 1,095° C. (0.9870 pounds 



CO2) 0.2617 



C oxidized bv i CO2 expelled from carbonates in zone 1.200° C. (0.8289 pounds 

 CO2) '..! 0.2261 



Total C oxidized in zone 990° C : 9.4921 



Total CO formed in same zone 44. 2965 



Of this latter there is used for reduction of ore 11.2280 



Leaviug for escaping CO. 33.0685 



