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Biological oxygen demand (BOD) is a measure of the relative oxygen depletion effect of a waste contaminant and is widely used to assess the amount of pollution in a water source. The BOD in the effluent (Lcin mg/L) of a rock filter without recirculation is given by:
where L0is the influent BOD (mg/L), D is the depth of the filter (m), and Q is the hydraulic flow rate [L/(m2-day)]. Assuming Q = 300 L/(m2-day) plot the effluent HOD as a
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Chapter 5 Solutions
Matlab
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