A ---> U second order liquid reaction will be carried out to produce U in a reactor with 80% conversation. Reaction will start with a 4 m3solution which has 2.3 mol/L concentration of A.If this reactor to be thermally insulated will be operated isentalpically and the mixture temperature of the reaction will be initially set as T0 = 340 K;I. Find the required reaction time Infos:1) Reaction velocity model:-rA = 8.8x108exp(-15500/RT) CA2; mol/ L st(R=1.987 cal/mol K) 2) Reaction enthalpy:- DH = 12,000 cal/mol 3) Heat-transfer coefficient for reactor with jacket:U =130 cal/dm2 min oC 4) Average physical properties for reaction’s mixture:CP =0.95 cal/g oC r=1.02 g/cm3Notes:1 In standard mixing tank you can consider L = D

The rate of reaction for a second order reaction A → U is given as; -rA = 8.8×108e-15500RT.CA2…

Answered: A ---> U second order liquid…

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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A ---> U second order liquid reaction will be carried out to produce U in a reactor with 80% conversation. Reaction will start with a 4 m³solution which has 2.3 mol/L concentration of A.

If this reactor to be thermally insulated will be operated isentalpically and the mixture temperature of the reaction will be initially set as T₀ = 340 K;
I. Find the required reaction time

Infos:

1) Reaction velocity model:

-r_A = 8.8x10⁸exp(-15500/RT) CA²; mol/ L st

(R=1.987 cal/mol K)

2) Reaction enthalpy:

- DH = 12,000 cal/mol

3) Heat-transfer coefficient for reactor with jacket:

U =130 cal/dm² min ^oC

4) Average physical properties for reaction’s mixture:

CP =0.95 cal/g ^oC

r=1.02 g/cm³

Notes:

1 In standard mixing tank you can consider L = D

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