这样，废水既得到初步治理，沼气和经沉淀脱水的木质素又可作为能源或其它用途。
Thus the wastewater is prelimily treated and the biogas and the deposited lignin would be used as an energy source or in other way.
初步试验表明，扩散渗析可以用来分离回收其中大部分的硫酸，从而降低溶液的酸度，减少沉淀产品的碱耗。
Preliminary test indicates that most of sulfuric acid can be separated and recovered by diffusing dialysis process. Consequently, the alkali consumption is reduced in uranium precipitation process.
同时对共沉淀机理进行了初步的探讨，结果表明其属于吸附共沉淀类型。
The coprecipitation mechanism was also studied, the results showed that the process belongs to the adsorption coprecipitation.
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