Question

Name the device used to separate out plastic bottles from sewage.​

Answer 1

Answer:

With he help of our hands we have to pick hotels from the seweage

Answer 2

trickling filter is a type of wastewater treatment system. It consists of a fixed bed of rocks, coke, gravel, slag, polyurethane foam, sphagnum peat moss, ceramic, or plastic media over which sewage or other wastewater flows downward and causes a layer of microbial slime (biofilm) to grow, covering the bed of media.