冶炼2000t含杂质3%的生铁,需要含Fe3O2,90%的磁铁矿石的质量是多少?

问题描述:

冶炼2000t含杂质3%的生铁,需要含Fe3O2,90%的磁铁矿石的质量是多少?

2000t*(1-3%)=1940t
Fe3O4+4CO=高温= 3Fe+4CO2
232 168
x*90% 1940t
232/168=x*90%/1940t
x=2976.7t
需要含Fe3O4,90%的磁铁矿石的质量是2976.7t