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A saturated liquid feed of 200 mol/h at the boiling point containing 42 mol % heptane and 58% ethyl benzene is to be fractionated at 101.32 kPa abs to give a distillate containing 97 mol % heptane and a bottoms containing 1.1 mol % heptane. The reflux ratio used is 2.5:1. a. Calculate the mol/h distillate, mol/h bottoms, theoretical number of trays, and the feed tray number. b. Using the McCabe-Thiele method, determine the minimum reflux ratio and the minimum number of theoretical plates at total reflux for the rectification of a mixture of heptane and ethyl benzene. Equilibrium data are given below at 101.32 kPa abs pressure for the mole fraction n- heptane xH and YH. Temperature Compositions (heptane) XH Ун 0 0 0.08 0.230 0.250 0.514 0.485 0.730 0.790 0.904 1.000 1.000 K 409.3 402.6 392.6 383.8 376.0 371.5 deg C 136.1 129.4 119.4 110.6 102.8 98.3

A saturated liquid feed of 200 mol/h at the boiling point containing 42 mol % heptane and 58% ethyl benzene is to be fractionated at 101.32 kPa abs to give a distillate containing 97 mol % heptane and a bottoms containing 1.1 mol % heptane. The reflux ratio used is 2.5:1. a. Calculate the mol/h distillate, mol/h bottoms, theoretical number of trays, and the feed tray number. b. Using the McCabe-Thiele method, determine the minimum reflux ratio and the minimum number of theoretical plates at total reflux for the rectification of a mixture of heptane and ethyl benzene. Equilibrium data are given below at 101.32 kPa abs pressure for the mole fraction n- heptane xH and YH. Temperature Compositions (heptane) XH Ун 0 0 0.08 0.230 0.250 0.514 0.485 0.730 0.790 0.904 1.000 1.000 K 409.3 402.6 392.6 383.8 376.0 371.5 deg C 136.1 129.4 119.4 110.6 102.8 98.3

Introduction to Chemical Engineering Thermodynamics
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 saturated liquid feed of 200 mol/h at the boiling point containing 42 mol % heptane and 58% ethyl benzene is to be fractionated at 101.32 kPa abs to give a distillate containing 97 mol % heptane and a bottoms containing 1.1 mol % heptane. The reflux ratio used is 2.5:1. a. Calculate the mol/h distillate, mol/h bottoms, theoretical number of trays, and the feed tray number. b. Using the McCabe-Thiele method, determine the minimum reflux ratio and the minimum number of theoretical plates at total reflux for the rectification of a mixture of heptane and ethyl benzene. Equilibrium data are given below at 101.32 kPa abs pressure for the mole fraction n- heptane XH and YH. Temperature Compositions (heptane) XH YH 0 0 0.08 0.230 0.250 0.514 0.485 0.730 0.790 0.904 1.000 1.000 K 409.3 402.6 392.6 383.8 376.0 371.5 deg C 136.1 129.4 119.4 110.6 102.8 98.3
Transcribed Image Text:A saturated liquid feed of 200 mol/h at the boiling point containing 42 mol % heptane and 58% ethyl benzene is to be fractionated at 101.32 kPa abs to give a distillate containing 97 mol % heptane and a bottoms containing 1.1 mol % heptane. The reflux ratio used is 2.5:1. a. Calculate the mol/h distillate, mol/h bottoms, theoretical number of trays, and the feed tray number. b. Using the McCabe-Thiele method, determine the minimum reflux ratio and the minimum number of theoretical plates at total reflux for the rectification of a mixture of heptane and ethyl benzene. Equilibrium data are given below at 101.32 kPa abs pressure for the mole fraction n- heptane XH and YH. Temperature Compositions (heptane) XH YH 0 0 0.08 0.230 0.250 0.514 0.485 0.730 0.790 0.904 1.000 1.000 K 409.3 402.6 392.6 383.8 376.0 371.5 deg C 136.1 129.4 119.4 110.6 102.8 98.3
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