Effluents containing 195 ppm of a chemica

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A sewage plant releases 250 m3/day of effluents containing 195 ppm of a chemical at the center of a wide, slowly meandering stream. The stream is 2.4 m deep and the bed slope is 0.00011.

a) Calculate the shear velocity.

b) Estimate the vertical and transverse mixing coefficients.

c) Assuming that the effluent is completely mixed over the vertical, determine the width of the plume and the maximum concentration 1200 m downstream of the discharge point.Assume uniform equilibrium flow conditions in the river and flow velocity v=1.1 m/s.

Reference no: EM131034339

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