Material cycles and decomposition

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Question 34

In a municipal wastewater treatment works, raw sewage is passed through a series of metal screens (coarse grids) before entering the primary sedimentation tanks.

State the purpose of passing the sewage through these metal screens.

[1]

Material cycles and decomposition

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62

Question 34

In a municipal wastewater treatment works, raw sewage is passed through a series of metal screens (coarse grids) before entering the primary sedimentation tanks.

State the purpose of passing the sewage through these metal screens.

[1]

Material cycles and decomposition

Question 34

Material cycles and decomposition Questions

Material cycles and decomposition

Question 34

Material cycles and decomposition Questions