The white sludge of paper mill and waste of chemical fibres factory could also be used as ca and Zn additives of domestic animal feed.
并利用造纸厂白泥、粘胶纤维厂废水处理产生的污泥作饲料钙、锌元素添加剂获成功。
In this article, an application of the method of shooting flow aeration activated sludge in treating the sewage of foreign trade refrigeration factory is introduced.
本文着重介绍射流曝气活性污泥法在外贸冷藏厂废水治理中的应用。
The acute biological toxicity of residual chlorine and five organic chlorides against normal backflow activated sludge in a CHLOR-ALKALI factory was examined.
取某氯碱厂正常回流的活性污泥对余氯及五种有机氯化物进行急性生物毒性试验。
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