Calculation of Water Demand and Ca(OCl)Cl Required
Problem: The population of 2005 was 10000 and 2015 was 19500. What is the water demand in 2025? Given water demand is 90 lpcd. Chlorine content of 0.5 mg/l
Calculation of Detension Period of Tank
Problem 1. One million gallon liters of water (1 mgd) pass through a sedimentation tank. If the size of the tank is 20' Χ 50' Χ 10'. Find the detention time of the tank.
Determination of B.O.D of Wastewater
Problem 1: A municipal waste water treatment plant discharges 1.2 m3/s of effluent having BOD of 60 mg/l that has a flow of 9.3 m3/s and BOD 6 mg/l. Estimate the mixing BOD of the river,
Calculation of Chlorine Required to Treat Water
Problem 1. How much chlorine in lb/hr will be required to treat 10mgd water with 0.4 mg/l of chlorine (use 1mg/l = 8.34 lb/mgd)?
Flow diagram of water supply and Activated sludge process
Question 1. Draw the flow diagram of essential element of water supply?
Determine BODཏ, if 2% is used from sewage of 5days at 20°C.
Problem. If 2% solution is used from sewage of 5 days at 20°C & dissolved oxygen depletion was 5 ppm, determine BOD5?
Determination of Carbonate and bicorbonate Alkalinity?
Problem. The pH 7.5, CaCOვ alkalinity in 332mg/l. Find the value of carbonate and bicarbonate alkalinity and carbonate and bicarbonate concentration?