The washing effect of membrane by different combination of waterpower, acid or alkali was studied. The membrane was that from a MBR for treating washing wastewater.
研究了膜生物反应器处理盥洗废水时，水力清洗、酸洗、碱洗等不同组合形式对膜的清洗效果。
The melamine wastewater sample is distillated in the phosphate buffer solution, the emitted ammonia is absorbed, and its content is determined by acid-alkali titration.
在磷酸盐缓冲溶液中加热蒸馏三聚氰胺废水样品，逸出的氨被吸收后通过酸碱滴定测定其含量。
Separation process of terephthalic acid (TA) from colored alkali reduction wastewater by acidation was studied and TA was simply refined through pretreatment.
文章研究了酸析法从带色碱减量废水中回收对苯二甲酸(TA)过程，并且通过废水预处理进行TA的简单精制。
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