Introduce the application of liquid iron desulphuration in North America from injection method, reactant test, lead pretreatment, twin-tunnel lance technology, deslagging operation.

• 从喷吹方法、反应剂试验、铅预处理、双道喷枪技术、除渣操作几个方面介绍了铁水脱硫在北美的应用。