ENVIRONMENTAL ENGINEERING a). Given that in a Simple Phosphorus Model the Phosphorus Balance indicates that the Rate of Addition of Phosphorus equals the Rate of Removal of Phosphorus, state the Phosphorus Balance Equation and fully define each term used. b). A phosphorus limited lake with surface area equal to 100 x 106 m2 is fed by a 20.0 m3/s stream that has a phosphorus concentration of 0.015mg/L. In addition, effluent from a point-source adds 1 g/s of phosphorus. The phosphorus settling rate is 10 m/yr. Estimate the average total phosphorus concentration. c). (ii) What rate of phosphorus removal at the wastewater treatment plant would be required to keep the concentration of phosphorus in the lake at an acceptable level of 0.015mg/L?
ENVIRONMENTAL ENGINEERING
a). Given that in a Simple Phosphorus Model the Phosphorus Balance indicates that the Rate of Addition of Phosphorus equals the Rate of Removal of Phosphorus, state the Phosphorus Balance Equation and fully define each term used.
b). A phosphorus limited lake with surface area equal to 100 x 106 m2 is fed by a 20.0 m3/s stream that has a phosphorus concentration of 0.015mg/L. In addition, effluent from a point-source adds 1 g/s of phosphorus. The phosphorus settling rate is 10 m/yr. Estimate the average total phosphorus concentration.
c). (ii) What rate of phosphorus removal at the wastewater treatment plant would be required to keep the concentration of phosphorus in the lake at an acceptable level of 0.015mg/L?
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