In the grit and sand removal tank, the speed of incoming wastewater is…

Question

In the grit and sand removal tank, the speed of incoming wastewater is decreased so that:

Accepted Answer

C. Sand and pebbles settle

1. Slow water lets heavy particles drop.
2. Sand, grit and pebbles settle down.
3. The clarifier tank comes next.
_Source: syllabus Science, Chapter 18, Wastewater Story._

Answer

Aerobic bacteria grow

Answer

Warm water evaporates

Answer

Oil and grease float up

In the grit and sand removal tank, the speed of incoming wastewater is decreased so that:

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