1. Pig iron is obtained by charging ore, flax and coke into a blast furnace with the following compositions. The flux is in the ratio of 1/4 of the ore and assuming that 800kg of coke is used for the production of 1000kg of pig iron, and there is a PCO/PCO2=2 ratio in the flue gas. For the production of 1000kg. pig iron, calculate; a) Amount of ore used, b) Quantity and composition of the slag obtained; c) Required theoretical volume of air; d) Volume of flue gas obtained, e) Resulting flue gas composition. Fe:56, O:16, Si:28, Ca:40, C: 12,Al:27g/mol 2. A pig iron containing 0.1%S,0.3%Si,3.4%C,0.8%Mn, and 1.8%P is desulfurized at 1300C according to the following two reactions: 1. [S]1wt%+(CaO)(s)+[C]=(CaS)(s)+CO(g),G1o=23,09025.14Tcal 2. [S]1wt%+2(CaO)(s)+1/2[Si]=(CaS)(s)+1/2(2CaOSiO2)(s), G2o=53,945+17.85Tcal Assuming that iron is saturated with carbon and all solid compounds are pure and pCO=1atm, show that desulfurization is favored in the presence of silicon, given that, fS=3.6 and fSi=4.5