primary sedimentation

基本解释

It is important to select the type of primary sedimentation tank in the design of large wastewater treatment plants.
大型污水处理厂中初次沉淀池池型选择是重要的。
The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation.
列举的生物滤池与活性污泥法的效率需要初次沉淀和回流。
Next up is the primary sedimentation tank, where sludge settles to the bottom and lighter liquids like grease, oil and soap rise to the top.
下一步就是一级沉淀池，污泥沉淀到底部，轻质液体例如油脂、油和皂类浮到上面。