You have been treating a wastewater with bacteria that have the following kinetic coefficients: k= 16 mg BODL/mg VSS-day Ks = 10 mg BODL /l b =0.2/day Y = 0.35 mg VSS/mg BODL fd = 0.8 A genetic engineer comes to you and claims he can “fix” your bacteria so they are more efficient. The fixed bacteria will have b=0.05/day and fd = 0.95, while all other coefficients are the same. Using a chemostat reactor, you were successfully using a safety factor of 30, and you plant to continue doing so. How would the genetic engineers plan affect your sludge production and oxygen requirements? Assume X0=0, S0=200 mg BODL/l). In what ways are the new bacteria more efficient?
You have been treating a wastewater with bacteria that have the following kinetic coefficients: k= 16 mg BODL/mg VSS-day Ks = 10 mg BODL /l b =0.2/day Y = 0.35 mg VSS/mg BODL fd = 0.8 A genetic engineer comes to you and claims he can “fix” your bacteria so they are more efficient. The fixed bacteria will have b=0.05/day and fd = 0.95, while all other coefficients are the same. Using a chemostat reactor, you were successfully using a safety factor of 30, and you plant to continue doing so. How would the genetic engineers plan affect your sludge production and oxygen requirements? Assume X0=0, S0=200 mg BODL/l). In what ways are the new bacteria more efficient?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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You have been treating a wastewater with bacteria that have the following kinetic
coefficients:
k= 16 mg BODL/mg VSS-day
Ks = 10 mg BODL /l
b =0.2/day
Y = 0.35 mg VSS/mg BODL
fd = 0.8
A genetic engineer comes to you and claims he can “fix” your bacteria so they are more
efficient. The fixed bacteria will have b=0.05/day and fd = 0.95, while all other
coefficients are the same. Using a chemostat reactor, you were successfully using a safety
factor of 30, and you plant to continue doing so. How would the genetic engineers plan
coefficients:
k= 16 mg BODL/mg VSS-day
Ks = 10 mg BODL /l
b =0.2/day
Y = 0.35 mg VSS/mg BODL
fd = 0.8
A genetic engineer comes to you and claims he can “fix” your bacteria so they are more
efficient. The fixed bacteria will have b=0.05/day and fd = 0.95, while all other
coefficients are the same. Using a chemostat reactor, you were successfully using a safety
factor of 30, and you plant to continue doing so. How would the genetic engineers plan
affect your sludge production and oxygen requirements? Assume X0=0, S0=200 mg
BODL/l). In what ways are the new bacteria more efficient?
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