介绍某湿法炼锌企业废水综合治理情况，在治理过程中采用了先进的节水工艺技术、处理后废水回收利用以及废水处理工艺。
The comprehensive harnessing wastewater of zinc hydrometallurgy is introduced, in this process, the advanced technique has been used, and the treated wastewater is re-used.
目的：利用废水回收磷、氮，生产化肥。
Task: Recover phosphorus and nitrogen from wastewater to make fertilizer.
养猪场排放的大量废水，大多未经妥善回收利用与处理即直接排放，对环境造成严重的污染。
A large amount of wastewater from piggery farm is mostly discharged directly without appropriate recycle and treatment, which can bring about a serious pollution to the environment.
应用推荐