11. (Mihelcic and Zimmerman, 2014, 7.36) The wastewater treatment plant for Pine City discharges 1.0 x 10 m³/day of treated waste to the Pine River. Immediately upstream of the treatment plant, the Pine River has an ultimate CBOD of 2.0 mg/L and a flow of 9.0 x 105 m³/day. At a distance of 20 km downstream of the treatment plant, the Pine River has an ultimate CBOD of 10 mg/L. The river has a velocity of 20 km/day. The CBOD decay coefficient is 0.13 (1/day). Determine the concentration of ultimate BOD (La, in mg/L) at the point of mixing. 12. Using the data from problem 11, find the ultimate BOD of the discharged wastewater.
11. (Mihelcic and Zimmerman, 2014, 7.36) The wastewater treatment plant for Pine City discharges 1.0 x 10 m³/day of treated waste to the Pine River. Immediately upstream of the treatment plant, the Pine River has an ultimate CBOD of 2.0 mg/L and a flow of 9.0 x 105 m³/day. At a distance of 20 km downstream of the treatment plant, the Pine River has an ultimate CBOD of 10 mg/L. The river has a velocity of 20 km/day. The CBOD decay coefficient is 0.13 (1/day). Determine the concentration of ultimate BOD (La, in mg/L) at the point of mixing. 12. Using the data from problem 11, find the ultimate BOD of the discharged wastewater.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:11. (Mihelcic and Zimmerman, 2014, 7.36) The wastewater treatment plant for Pine City
discharges 1.0 x 105 m³/day of treated waste to the Pine River. Immediately upstream of the
treatment plant, the Pine River has an ultimate CBOD of 2.0 mg/L and a flow of 9.0 × 10³
m³/day. At a distance of 20 km downstream of the treatment plant, the Pine River has an
ultimate CBOD of 10 mg/L. The river has a velocity of 20 km/day. The CBOD decay
coefficient is 0.13 (1/day). Determine the concentration of ultimate BOD (La, in mg/L) at the
point of mixing.
12. Using the data from problem 11, find the ultimate BOD of the discharged wastewater.
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