应用水热结晶法对含氟废水进行了研究，结果表明，控制矿化剂投加量为0.04%，反应温度为90~95℃，pH在8左右，反应4 h后，出水氟化物（以F计）浓度降至5 mg/L以下，并稳定存在，满足排放标准要求。另外，实验过程中发现加压至3 MPa的情况下，出水氟化物（以F计）浓度甚至能降至1 mg/L，达到饮用水标准。

Application of the hydrothermal crystallization method in the treatment of fluorine-containing wastewater is studied.The results show that the concentration of fluorides (counting on F) in effluent can remain stably below 5 mg·L^-1 and the treated water can meet the discharge standard when the adding amount of mineralizer is 0.04%,the reaction temperature is in the range of 90-95℃,pH is around 8 and reaction lasts for about 4 h.In addition,it is found in experiments that when the pressure increases to 3 MPa,the concentration of fluorides (counting on F) in effluent can be reduced to 1 mg·L^-1,which reaches the drinking water standard.