In the course of the second water distribution, the vertical diffusing speed is faster than level diffusing speed.
在水分再分布过程中，垂直方向的扩散速率始终大于水平方向。
It introduces the methods of recovering waste acid and water with waste acid and oily impurity using the natural cooling crystallization, the dialyzing diffusing and roasting.
介绍用自然冷却结晶法、 渗析扩散法和焙烧法回收废酸及合废酸、含石油类杂质废水的处理方法。
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