desulfurate

This treating method can remove the sulfur and incerase the percent of iron and resolve the trouble that pyrite cinder is difficult to desulfurate.

该方法能很好地脱除烧硫并富集其铁,解决了多年来一直困扰着人们硫酸脱硫难问题。

Because of the lack of research, many desulfurating tower had to be removed and then rebuilt after fire hazard, which has caused great economic loss.

由于方面研究甚少，相当数量火灾后吸收塔被拆除重建，造成重大经济损失。