钾、钠在Fe_(3)O_(4)氧化和还原中的作用

The Effect of Patossium and Sodium on the Oxidation and Reduction of Fe_(3)O_(4)

Fe_(3)O_(4)是磁铁矿石中主要含铁成分。我国很多大的铁矿是磁铁矿,例如鞍山铁矿、攀枝花铁矿和迁安铁矿。在有些自然铁矿石中含有一定量的含钾和钠的脉石。在选矿和烧结后仍进入最后的矿石球团中,对于矿石在高炉中的行为有很大的影响。所以研究钾、钠化合物对Fe_(3)O_(4)的氧化和还原行为的作用是很必要的。

The effect of patossium and sodium on the oxidation and reduction of Fe_(3)O_(4) is studied by means of Mossbauer spectroscopy.It is shown that the main effect of patossium and sodium seems to form patossium-bearing or sodium-bearing new compounds in the oxidation of Fe_(3)O_(4) and the patossium and sodium ions get into the lattices of Fe_(3)O_(4) and FexO and act as promoting reduction in the reduction.