Question: QUESTION 3 . A train derailed along the Swift Current River releasing 9 0 tonnes of vinyl chloride into the river approximately 3 k m

QUESTION 3.
A train derailed along the Swift Current River releasing 90 tonnes of vinyl chloride into the river approximately 3km upstream of Clear Loon Lake, which is used as a source of drinking water. The velocity of the river is 0.1ms with a cross-sectional area of 2m2. The lake is roughly circular with a diameter of 1km and average depth of 10m. If the drinking water intake was closed immediately following the spill and the drinking water limit of vinyl chloride is 2ppb, approximately how many days following the spill can the drinking water plant be re-opened?
Assume the lake behaves as a CSTR; the river behaves as a PFR; vinyl chloride is nonreactive & both the river and lake are dilute.
QUESTION 3 . A train derailed along the Swift

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