What is the reactor that is more efficient when the reaction is first order?
100
No change over time
What is the definition of steady-state?
100
20%
What is the contribution of Homework assignments in your final grade?
100
Collected particles add as additional media in helping capture particles in suspension
What is Ripening in filtration?
200
Arrhenius equation
What is the name of the equation that describes the dependence of reaction rate coefficients?
200
The type does not matter
What is the reactor that is more efficient when the reaction is zero order?
200
RA*V
What is the rate of mass that is removed by reaction?
200
Logan, B.E.
What is the author of Environmental Transport Processes, 2nd edition. Wiley?
200
Particles will experience shear forces that exceed attachment forces
What is Breakthrough in filtration?
300
lnCA,0
What is the intercept of the lnCA VS time plot in a first order reaction?
300
t= 1/k(CA0/CAf -1)
What is the retention time for a first order reaction in a CSTR reactor?
300
dC/dt=QinCin
What is the mass balance equation for a system with no output and no reaction?
300
Come to the class on time and be prepared to take pop quizzes
What is the Classroom Etiquette Policy that is related to being on time?
300
Use shorter filter bed (L)
Use bigger filter media size (dc)
Reduce velocity
What Can be done to reduce headloss?
400
When the concentration of one chemical is much larger than the other chemical
What is the criteria that can be used to reduce a second order reaction to a first order reaction?
400
-1/k[CAF/CA0]
What is the retention time for a first order reaction in a PFR reactor?
400
ACC=-Decay
What is the mass balance equation for a system with no input and no output?
400
Analyze, design and model operation units that transport contaminants in environmental systems
What is the course learning objective?
400
Because otherwise we need more power for our pump and it would end up being expensive.
What is the reason behind reducing head loss in filters?
500
[
What is the mathematical equation that describes how concentration oh your chemical changes in a second order reaction and when chemicals have same initial concentrations?
500
CAF/CAO= (1/(1+Kt1)(1/(1+Kt2)
What is the conversion at the outlet of 2
nd CSTR (same size) for a first order reaction?
500
To track how contaminants travel through our natural environment.
What is purpose of doing mass balance?
500
2009
What is the publication year for your course textbook?
500
It is a number characterizing the ratio of convective transport to diffusive transport