431_1 - MICHIGAN STATE UNIVERSITY CHE 431 Chemical Reaction...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
MICHIGAN STATE UNIVERSITY CHE 431 Chemical Reaction Engineering Fall 2007 Homework 1 Due Sept. 5, 2007 From Fogler, (4 th edition) 1. What assumptions were made in the derivation of the design equation for: a. The batch reactor? b. The CSTR reactor? c. The PFR reactor? d. The PBR reactor? e. State in words the meanings of –r A , –r A , and r A . Is the reaction rate –r A an extensive property? Explain. 2. Problem 1-15 (c,d), p. 33 3. Problem 2-7 (a – e), p. 74
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
P1-15B P.33 (c)Solution: Conditions: 3 10 / dm h ν = , 0 5/ A Fm o l h = , 0 0.01 A A CC = , 2 A A rk C −= 3 3/ ( ) kd m m o l h = ± , 3 0 0.5 / A C mol dm = Procedures: I. CSTR () 3 00 0 2 2 0 0.99 0.99 10 66000 3 0.01 0.5 0.01 AAA A A AA A FFC C C Vd m rr kC νν −− × == = = = × × II. PFR 0 0.01 0.01 0.005 11 3 2 0.5 10 660 3 A A FC C C dF C C d m C k = = = ∫∫ (d)Solution: Conditions: 10 0.001 A A = , 2 A A C 3 ( ) m m o l h = ± , 3 0 0.5 / A C mol dm = , 3 1000 m = Procedures: a. 0 0 0 1 0.001 1000 0.5 0.001 0.5 9.99 0.05 1000 A A A A N C A A C N A dN V tC h rV kV = × = −× b. ( ) 0 0 0.001 ln 0.5 ln 0.0005 ln 19.19 0.36 A A C NC A C dN dC C th k === = = c. 0 0 2 0.001 1 666 3 0.001 0.5 0.5 A A C A C dN dC tt k C h ⎛⎞ = = × = = ⎜⎟ × ⎝⎠ P2-7B P.74 Conditions: Data table, 300 / min A o l = Solutions: (a) CSTR: 3 0 300 0.4 24 5 A A exit FX m r × = PFR: 3 0 0 0.2 4 1 300 1 71.9 31 . 6 7 5 X A A dX VF d m r × + + = (b) CSTR PFR VV = , i.e. 0 0 0 X A A A A exit dX F = ,
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Through obtaining the fitting function
Background image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

431_1 - MICHIGAN STATE UNIVERSITY CHE 431 Chemical Reaction...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online