Problem 2 At a Cleanup site, a contaminated ground was dug out and treated in a completely mixed aerated lagoon. The following information is collected using a completely mixed batch reactor in a laboratory. Assuming a first-order reaction. a) Estimate the rate constant, k. b) The time required to achieve 95% reduction in the original concentration. c) Estimate the initial concentration at t=0. Time(days) 5 30 Waste Concentration (mg/L) 500 100

Sustainable Energy
2nd Edition
ISBN:9781337551663
Author:DUNLAP, Richard A.
Publisher:DUNLAP, Richard A.
Chapter14: Ocean Thermal Energy Conversion And Ocean Salinity Gradient Energy
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Problem 2
At a Cleanup site, a contaminated ground was dug out and treated in a completely mixed aerated lagoon.
The following information is collected using a completely mixed batch reactor in a laboratory.
Assuming a first-order reaction.
a) Estimate the rate constant, k.
b) The time required to achieve 95% reduction in the original concentration.
c) Estimate the initial concentration at t=0.
Time(days)
5
30
Waste Concentration (mg/L)
500
100
Transcribed Image Text:Problem 2 At a Cleanup site, a contaminated ground was dug out and treated in a completely mixed aerated lagoon. The following information is collected using a completely mixed batch reactor in a laboratory. Assuming a first-order reaction. a) Estimate the rate constant, k. b) The time required to achieve 95% reduction in the original concentration. c) Estimate the initial concentration at t=0. Time(days) 5 30 Waste Concentration (mg/L) 500 100
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