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thank you can do part C   Determine the fraction conversion occurring in the pond & the tank separately & determine the overall conversion of the process.

thank you can do part C   Determine the fraction conversion occurring in the pond & the tank separately & determine the overall conversion of the process.

Introduction to Chemical Engineering Thermodynamics
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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thank you can do part C

 

  1. Determine the fraction conversion occurring in the pond & the tank separately & determine the overall conversion of the process.
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ok, i think im starting to get it, is it like this

 

can you please help me more with part C 

C. Determine the fraction conversion occurring in the pond & the tank separately & determine the overall conversion of the process. NA entering pond = A NA entering tank = B NA leaving pond = C NA leaving tank = D X into pond X into tank = = A - B A A - D A
Transcribed Image Text:C. Determine the fraction conversion occurring in the pond & the tank separately & determine the overall conversion of the process. NA entering pond = A NA entering tank = B NA leaving pond = C NA leaving tank = D X into pond X into tank = = A - B A A - D A
The wastewater treatment process at a polymer plant consists of a longitudinal bio-remediation pond and a large clarifying tank. The 12-ft wide pond is constructed orthogonally (straight sides only) and has a length and a depth of 60 ft and 3.0 ft, respectively. No mixing occurs along the length of the pond. The tank is of cylindrical shape and has a diameter of 20 ft and is 40 ft high. The contents of the tank are stirred during operation. The wastewater stream is pumped into the pond first before flowing to the tank. The effluent (outlet) of the tank is pumped to a lake nearby the plant. Assume that both the pond and the tank operate at 'steady-state' since the fluid levels of the pond and the tank remain constant during normal operations of the plant. The stream is mostly water and contains a contaminant "A", whose concentration must decreased following legal standards for chemical releases. Both the pond and the tank contain different bio- remedial agents that consume contaminant "A" at different rates. The following data are provided for this treatment process: vo= CAO = MWA = Rate in pond: k in pond: Rate in tank: k in tank: 1000 ft³ of water/ hr 0.2 lbmol/(ft3 of water) 72 lbm/lbmole -₁,A = k₁ C² k₁= 200 ft³/(lbmol * day) -12,A = K₂ CA k₂= 100 day-¹
Transcribed Image Text:The wastewater treatment process at a polymer plant consists of a longitudinal bio-remediation pond and a large clarifying tank. The 12-ft wide pond is constructed orthogonally (straight sides only) and has a length and a depth of 60 ft and 3.0 ft, respectively. No mixing occurs along the length of the pond. The tank is of cylindrical shape and has a diameter of 20 ft and is 40 ft high. The contents of the tank are stirred during operation. The wastewater stream is pumped into the pond first before flowing to the tank. The effluent (outlet) of the tank is pumped to a lake nearby the plant. Assume that both the pond and the tank operate at 'steady-state' since the fluid levels of the pond and the tank remain constant during normal operations of the plant. The stream is mostly water and contains a contaminant "A", whose concentration must decreased following legal standards for chemical releases. Both the pond and the tank contain different bio- remedial agents that consume contaminant "A" at different rates. The following data are provided for this treatment process: vo= CAO = MWA = Rate in pond: k in pond: Rate in tank: k in tank: 1000 ft³ of water/ hr 0.2 lbmol/(ft3 of water) 72 lbm/lbmole -₁,A = k₁ C² k₁= 200 ft³/(lbmol * day) -12,A = K₂ CA k₂= 100 day-¹
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