250 lbs. of contaminated soil containing 0.500 g of a pollutant per kilogram of soil will be treated (remediation) by agitating the soil in a tank containing a suitable liquid phase to transfer the pollutant. Consider a tank holding 500 gal of liquid is built to treat 250 lb of contaminated soil. The pollutant degrades following a first-order kinetic in which 0.50 percent of it is removed per second. Assuming the reactor is operated for 2 hours, what will be: a) The mass of pollutant remaining in the washed soil b) The g/kg of pollutant remaining in the soil and therefore, the percent removal c) The concentration of the pollutant in the liquid phase
250 lbs. of contaminated soil containing 0.500 g of a pollutant per kilogram of soil will be treated (remediation) by agitating the soil in a tank containing a suitable liquid phase to transfer the pollutant. Consider a tank holding 500 gal of liquid is built to treat 250 lb of contaminated soil. The pollutant degrades following a first-order kinetic in which 0.50 percent of it is removed per second. Assuming the reactor is operated for 2 hours, what will be: a) The mass of pollutant remaining in the washed soil b) The g/kg of pollutant remaining in the soil and therefore, the percent removal c) The concentration of the pollutant in the liquid phase
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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250 lbs. of contaminated soil containing 0.500 g of a pollutant per kilogram of soil will be treated (remediation)
by agitating the soil in a tank containing a suitable liquid phase to transfer the pollutant. Consider a tank holding
500 gal of liquid is built to treat 250 lb of contaminated soil. The pollutant degrades following a first-order kinetic
in which 0.50 percent of it is removed per second. Assuming the reactor is operated for 2 hours, what will be:
a) The mass of pollutant remaining in the washed soil
b) The g/kg of pollutant remaining in the soil and therefore, the percent removal
c) The concentration of the pollutant in the liquid phase
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