The waste acid in industry is treated by the technology in the essay.Not only may made zero for liquid acid,but also manufacture dyestuff of oxid iron and ammonium sulphate.

• 本文介绍了一种工业废酸液的处理技术,该技术不但能够使废酸液达到零排放,而且可以利用酸液中含有的离子生产铁系无机颜料和硫酸铵产品。