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发明公开
CN109734118A 一种用于选矿废水处理的磷石膏改性方法 失效 - 放弃专利权 转让

一种用于选矿废水处理的磷石膏改性方法
摘要：
本发明公开了一种用于选矿废水处理的磷石膏改性方法，主要包括以下步骤：（1）磷石膏的破碎及水洗；（2）磷石膏的改性；（3）加入上述改性后的磷石膏到选矿废水中，固液分离后，上清液可以达到排放或回用标准。本发明制备方法简单、适用范围广、成本较低等特点，实现了废物综合利用，变废为宝的目的。
摘要（英）：

The invention discloses a phosphogypsum modification method for treating mineral processing waste water. The method mainly includes the following steps: (1) crushing phosphogypsum and washing with water; (2) modifying the phosphogypsum; (3) adding the modified phosphogypsum into the mineral processing waste water, and after solid-liquid separation, and enabling a supernatant to reach the dischargeor reuse standard. The method has the characteristics of simple preparation method, wide application range, low cost and the like, and realizes the purpose of comprehensive utilization of waste and turning waste into treasure.

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