Question
Environmental Engineering Question on Wastewater
Activated carbon is used to remove a pollutant from wastewater in a mixed batch reactor, which follows first-order reaction kinetics.
At a reaction rate of 0.38 /day, the time (in days) required to remove the pollutant by 95% is ______ (rounded off to 1 decimal place).
Answer
The answer is: 7.8 or 8.0 (approx.)