Invention Grant
US08172911B2 Process for the treatment of phosphogypsum and in particular of phosphogypsum leachates 有权
磷石膏,特别是磷石膏浸出液的处理方法

Process for the treatment of phosphogypsum and in particular of phosphogypsum leachates
Abstract:
The present invention describes a process for treating phosphogypsum and in particular the related leachate that comprises the steps of feeding a continuous leachate flow with a dry content of below 5% by weight into a concentration unit heated to a predetermined temperature and equipped with dedicated mixing means, and continuously discharging a concentrated leachate flow having a dry content comprised between 20% and 95% by weight from the concentration unit.
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