Question

how is sludge disposed​

Answer 1

Sludge :-

Sludge may be incinerated, i.e., burnt into ashes. The ash is used as soil conditioner or as a construction material. Sludge may be dewatered and then combined with other wastes to make fertilizers. Sludge may be composted or processed to produce gases that can be used as fuel.

The final destination of treated sewage sludge usually is the land. Dewatered sludge can be buried underground in a sanitary landfill. It also may be spread on agricultural land in order to make use of its value as a soil conditioner and fertilizer.

Answer 2

Answer:

Sludge may be incinerated, i.e., burnt into ashes. The ash is used as soil conditioner or as a construction material. Sludge may be dewatered and then combined with other wastes to make fertilizers. Sludge may be composted or processed to produce gases that can be used as fuel.

Hope this helps you...

Please mark me as Brainliest.