Shadow disjoin dirty ash into the night...

阴影将肮脏的灰烬分离至夜晚。

Answer: Disjoin these two question to ask, that is scientific.

答：这两个问题分开问，很科学。

It can lift rate of zinc reclamation, disjoin the lead and zinc.

该工艺锌回收率高，并可实现铅锌分离。