ferrooxidant

例句：

1. 1.The iron ore was mined from the nearby mountain.
   铁矿石从附近的山中开采出来。
2. 2.The ferrooxidant is used to extract valuable metals from the ore.
   这种氧化铁矿物被用来从矿石中提取有价值的金属。
3. 3. The process of iron ore processing involves a lot of ferrooxidants.
   铁矿石加工过程需要大量的氧化铁矿物。