iron removal的用法和样例：
例句
- Experiments on iron removal from potash feldspar ore from Yuanmou area by using maguetic separation have been carried out.
介绍采用全磁选工艺，对云南元谋县丙令乡钾长石矿石进行了除铁试验研究。 - Oxygen demand for iron and manganese removal in biofilter was discussed by means of theoretical calculation and experiment.
从理论计算和试验两方面探讨了生物除铁除锰滤池中的曝气溶氧问题。
