The PureNSafe Company is designing a solar-driven, portable water disinfection system to be used by the military. The system is simply an inlet tube, a pump, a well-mixed chamber, and an outlet tube. Water is pumped continuously into the chamber where it is irradiated with UV light before exiting through the outlet tube into a collection vessel. The disinfection rate constant for UV light is 7.50 s-1, and the number of bacteria in the water must be reduced by 3.5 logs. Because the military needs the unit to fit into a backpack, they require that the unit’s chamber be no larger than 2.00 L. a) How much water will the system be able to produce during 10 hours of sunlight? b) If instead of a well-mixed chamber, the backpack unit is designed using coiled tubing (2.00 L total volume), how much water will the system be able to produce during 10 hours of sunlight
The PureNSafe Company is designing a solar-driven, portable water disinfection system to be used by the military. The system is simply an inlet tube, a pump, a well-mixed chamber, and an outlet tube. Water is pumped continuously into the chamber where it is irradiated with UV light before exiting through the outlet tube into a collection vessel. The disinfection rate constant for UV light is 7.50 s-1, and the number of bacteria in the water must be reduced by 3.5 logs. Because the military needs the unit to fit into a backpack, they require that the unit’s chamber be no larger than 2.00 L.
a) How much water will the system be able to produce during 10 hours of sunlight?
b) If instead of a well-mixed chamber, the backpack unit is designed using coiled tubing (2.00 L total volume), how much water will the system be able to produce during 10 hours of sunlight?
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 12 images
