Chemical Engineering Problem! (Wastewater Engineering)

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Question 5 Design an array of aerated grit chambers for the treatment of municipal wastewater. The average wastewater flow is 52 ML/d and the peak flow factor is 2.7. Using three chambers in parallel estimate the total daily air requirement and grit production at peak flow. Assume a chamber depth of 3m and detention time at peak flow of 4 minutes. Assume typical values for width to depth ratio and the grit volume per volume of wastewater flow. Comment on how the grit production may change if the existing chambers were used to treat water from a combined sewer system. Question 5 Design an array of aerated grit chambers for the treatment of municipal wastewater. The average wastewater flow is 52 ML/d and the peak flow factor is 2.7. Using three chambers in parallel estimate the total daily air requirement and grit production at peak flow. Assume a chamber depth of 3m and detention time at peak flow of 4 minutes. Assume typical values for width to depth ratio and the grit volume per volume of wastewater flow. Comment on how the grit production may change if the existing chambers were used to treat water from a combined sewer system