A chemical tanker truck crashes into a flooded, abandoned quarry (no soil or sediment on the bottom). It was carrying 1000 kg of benzene which is all released into the quarry and quickly becomes a completely mixed system. The quarry is 10 m deep and has a surface area of 10,000 m2. The quarry is fed by a spring with a constant temperature of 20°C and water flows out of it to a local stream at a flow rate of 10 m3/min. (a) How long will the concentration in the quarry violate the applicable NJ Surface Water Quality Standards (FW2) (assume only loss is flow out)? (b) If bacteria is introduced to the quarry that can consume benzene following a 1st order decay process with a decay constant k = 0.01 day-1, how long will the concentration in the quarry violate the regulations?
A chemical tanker truck crashes into a flooded, abandoned quarry (no soil or sediment on the bottom). It was carrying 1000 kg of benzene which is all released into the quarry and quickly becomes a completely mixed system. The quarry is 10 m deep and has a surface area of 10,000 m2. The quarry is fed by a spring with a constant temperature of 20°C and water flows out of it to a local stream at a flow rate of 10 m3/min. (a) How long will the concentration in the quarry violate the applicable NJ Surface Water Quality Standards (FW2) (assume only loss is flow out)? (b) If bacteria is introduced to the quarry that can consume benzene following a 1st order decay process with a decay constant k = 0.01 day-1, how long will the concentration in the quarry violate the regulations?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A chemical tanker truck crashes into a flooded, abandoned quarry (no soil or sediment on
the bottom). It was carrying 1000 kg of benzene which is all released into the quarry and
quickly becomes a completely mixed system. The quarry is 10 m deep and has a surface
area of 10,000 m2. The quarry is fed by a spring with a constant temperature of 20°C and
water flows out of it to a local stream at a flow rate of 10 m3/min. (a) How long will the
concentration in the quarry violate the applicable NJ Surface Water Quality Standards
(FW2) (assume only loss is flow out)? (b) If bacteria is introduced to the quarry that can
consume benzene following a 1st order decay process with a decay constant k = 0.01
day-1, how long will the concentration in the quarry violate the regulations?
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