Answered: P11-4A The elementary, irreversible,…

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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(f) The reaction is next carried out in a 25 dm3 batch reactor charged with NAO = 10 moles. Plot the
number of moles of A, NA, the conversion, and the temperature as a function of time.

Transcribed Image Text:P11-4A The elementary, irreversible, organic liquid-phase reaction A + B → C is carried out adiabatically in a flow reactor. An equal molar feed in A and B enters at 27°C, and the volumetric flow rate is 2 dm³/s and CÃO = 0.1 kmol/m³. Additional information: H(273 K) = -20 kcal/mol, Hg (273 K) = -15 kcal/mol, He(273 K) = -41 kcal/mol CPA = CP₂ = 15 cal/mol. K k = 0.01 dm³ mol.s at 300 K PFR Cpc = 30 cal/mol - K E = 10,000 cal/mol (a) Plot and then analyze the conversion and temperature as a function of PFR volume up to where X = 0.85. Describe the trends. (b) What is the maximum inlet temperature one could have so that the boiling point of the liquid (550 K) would not be exceeded even for complete conversion? (c) Plot the heat that must be removed along the reactor (O vs. V) to maintain isothermal operation. (d) Plot and then analyze the conversion and temperature profiles up to a PFR reactor volume of 10 dm³ for the case when the reaction is reversible with Kc = 10 m³/kmol at 450 K. Plot the equilibrium conversion profile. How are the trends different than part (a)? (Ans.: When V = 10 dm³ then X = 0.0051, Xeq = 0517) CSTR (e) What is the CSTR volume necessary to achieve 90% conversion?

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