QUIZ 1: Calculate flow quantities
• (1)… For a PFR, given v0= 10 liter/min, CA0= 0.8 mol/liter
• Find (a) FA0 = ? (mol/min)
• (b) if t = 5 min, how much A has entered the reactor ? (mol)
• (c) If CAf (final) = 0.08 mol/liter, what is XA?
PDG
QUIZ 2: Calculate flow quantities
• (1)… For a CSTR, given FA0= 0.4 mol/s, XAf= 0.80
• Find (a) if v0 = 0.3 m^3/s, what is CA0? (mol/m^3)
• (b) if t = 13 s, what is NA0 = ? (mol)
• (c) What is CAf (final) = at XA= 0.80? (Note that v(t)=v0 is constant!)
PDG
QUIZ 3:For the same reaction as Example 1.1 above ODIPDG
• If CAf= 0.03 CA0, find the final volume of the PFR reactor.
Homework #2.8 due April 14th (Thursday)! (Postponement!!!)
PDG
QUIZ :Levenspiel Plot (Example 2.2)
• Use the kinetics data from example 2.2 to construct a Levelspiel plot.
PDL
Kinetics Data:The following is the measured kinetics data for the reaction
A ���� B (from a chemistry lab).
QUIZ 2:If the reaction is second order
• -rA = kCA2
• at same k (=0.23 (mol*dm3*min)-1, and v0(=10 dm3/min)
• Find the volume Vf of the PRF when • CA0=1.0 mol/L• and CAf= 0.03 mol/L.• FA0= CA0 *v0.
Quiz: Find parameters ε, δ, Θ
• For the ammonia reaction in PFR• A B C• N2 + 3 H2 � 2 NH3• FA0=3, FB0= 12, FC0 =0 (in mol/min)
• At T0=750K, = 100 Liters/min. • (Units CA0, CB0 = moles/liter. CA0= P0/(RT0))• Final Tf= 850K. X = 0.35.• Find Pf (bar), CAf, CBf, FAf, FBf and ε, δ, Θ.
• (R= 0.08314 bar-Liter/(K.mol) )
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QUIZ: <484>PEQ
• Example 8-2 Heat of Reaction• Calculate the heat of reaction for the
synthesis of ammonia from hydrogen + nitrogen at 250oC in kcal/mol of N2 reacted and also in kJ/mol of H2 reacted.
• Calculate the heat of reaction at the reference temperature TR using the heats of formation of the reacting species obtained from Perry's Handbook or the Handbook of Chemistry and Physics.
QUIZ: <484>PEQ
• Example 8-2 Heat of Reaction• Calculate the heat of reaction for the
synthesis of ammonia from hydrogen + nitrogen at 250oC in kcal/mol of N2 reacted and also in kJ/mol of H2 reacted.
• Calculate the heat of reaction at the reference temperature TR using the heats of formation of the reacting species obtained from Perry's Handbook or the Handbook of Chemistry and Physics.
QUIZ: Use example 8.3 data to calculate the Levenspiel plot “FA0/(-rA)” value at X= 0.4
FA0 = (0.9)(163 kmol/h)
CA0 = 9.3 mol/liter
QUIZ: Use example 8.3 data to calculate the Levenspiel plot “FA0/(-rA)” value at X= 0.4
FA0 = (0.9)(163 kmol/h)
CA0 = 9.3 mol/liter