磷石膏的利用和处理

Utilization and Disposal of Phosphogypsum

综述了国内外对磷石膏的利用和处理技术,同时介绍了提取稀土元素和贵重金属,低能耗的石膏砖等新的应用技术,比较了各种方法的优缺点,提出要尽快开发磷石膏综合利用的新工艺、新方法,早日解决其污染问题。

Introduction on the technologies for recycle and treating phosphogypsum in the world were presented, and techniques of extraction of rare-earth elements and precious heavy metals, and low energy consumption of gypsum application were also introduced. Comparison of advantage and disadvantage among several methods and proposal of comprehensive utilization of phosphogypsum were also discussed.