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Influence of C02 and CO on reduction at 900 C
Pellet pore size distribution before and after reduction
1,100 TEMPERATURE 90-pct reduction activation energies Alumina Bureau of Mines Carbon monoxide COAL GAS coal gasification complex gas mixtures compression strengths correlation coefficient determined duction fairly good fit Fe°/FeT fit was obtained flow rate furnace gas composition gas flow GASES FOR REDUCING gasifiers hot zone Hydrogen iron oxide pellets kcal kcal/mol kilocalorie L-Btu low-Btu gas M-Btu maximum weight loss Mazhenov metallization ND ND Nigro nitrogen obtained with equation OXIDANT PRESSURE P0 partial pressure pct C02 pct CH4 pct H2 pct or less pellets before reduction PELLETS By Larry pellets reduced percent reduction porosity rate at 900 rate-controlling reciprocal minutes Reduced at 900 reduced pellets reduced with 100 reducing iron oxide reducing-gas reduction kinetics reduction rate constants relative reduction Report of investigations shown in figure simulated coal gases SINGLE-REDUCTANT GAS MIXTURES stant tests tial pressure Twin Cities Research UTILIZATION OF SIMULATED vapor and C02 vapor in H2 water vapor