Question: please help with this Asap Environmental engineering 1.5 Assume that the average water usage of the Ermelo community is approximately 130 litres per person per

please help with this Asap Environmental engineering 1.5 Assume that the

please help with this Asap

Environmental engineering

1.5 Assume that the average water usage of the Ermelo community is approximately 130 litres per person per day. After the municipality implemented water saving practices, the average water usage dropped to 87 litres per person per day. A 10 mega litres per day (MLD) wastewater treatment plant is used for which 60% of the flow is residential wastewater. Calculate the water savings in litres per day (L/day) and the percent reduction in water usage. (5) 1.6 A particle with a diameter of 1 mm and specific gravity of 3.0 is release into a 6 m sedimentation tank containing water at 25 C. The density and dynamic viscosity of water are 1000 kg/m3 and 1.03 P. a) How long will the particle take to travel a total distance of 6 m? (5) b) How far does the particle travel in 3 seconds? (1) must be oxidized completely in Lair/Lsol

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