The wastewater produced by the sulpHuric acid production is sour and contains many kinds of harmful substances, among them the content of arsenic and fluorine are very high, which is the main characteristic of this kind of wastewater.

• 硫铁矿制酸所产生的废水酸度大、含有多种有害物质,其中砷、氟含量高是该类废水的主要污染特性。