sludge incineration

例句：

1. 1. The factory has to incinerate the sludge before it can be used for fertilizer.
   工厂在将其用作肥料之前，必须将污泥焚烧。
2. 2. Sludge incineration is a crucial step in the waste management process.
   污泥焚烧是废物管理过程中至关重要的一步。
3. 3. The sludge incineration plant was designed to reduce environmental pollution.
   污泥焚烧厂的设计旨在减少环境污染。