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QI// A distillation column is used to separate a ternary mixture of benzene – Toluene and xylene. Part of the data are given in the following table. Complete the data in the table calculate reflux ratio. Divider Stream Flow rate Composition wt. % Ib/hr Banz. Tol. Ху F F 1000 42 38 20 Distillation (a) 96 Column (b) 1750 V R Ans. (a) 437.5 Ib/hr, (b) 562.5 Ib/hr, reflux ratio= 3

QI// A distillation column is used to separate a ternary mixture of benzene – Toluene and xylene. Part of the data are given in the following table. Complete the data in the table calculate reflux ratio. Divider Stream Flow rate Composition wt. % Ib/hr Banz. Tol. Ху F F 1000 42 38 20 Distillation (a) 96 Column (b) 1750 V R Ans. (a) 437.5 Ib/hr, (b) 562.5 Ib/hr, reflux ratio= 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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Q1// A distillation column is used to separate a ternary mixture of benzene – Toluene and xylene. Part of the data are given in the following table. Complete the data in the table calculate reflux ratio. V Divider Stream Flow rate Composition wt. % Ху. Ib/hr Banz. Tol. F F 1000 42 38 20 Distillation D (a) 96 (b) Column V 1750 R Ans. (a) 437.5 Ib/hr, (b) 562.5 Ib/hr, reflux ratio= 3 Q2// It is required to produce a granulated product (P) from the feed material (F) by the process shown in the block diagram (all percentages are given in wt. %). Calculate the flow rates of all streams in the process. Recycle (R) Outlet air (A) 10 % Water 6% water 94 % air 90 % Solid (T) (G) Product (P) Granulator Dryer Divider 50 % Water 50 % Solid Feed (F) = 400 kg/hr Inlet air (A) 73 % Water 2% water 27 % Solid 98 % air Ans. (P) = 120 KG/hr, (R) = 230 kg/hr, (A) = 6580 kg/hr 1 Sheet 12- Principle Dr. Hameed R. Alamery Q3// Potassium nitrate solution (F) containing 19 wt. % KNO3 are continuously fed to the process consists of mixer; evaporator and crystallizer at rate of 1000 kg/hr as shown in the following block diagram. Calculate the flow rate of all streams in the process and composition (wt. %) of total feed stream (T). Recycle (R) 0.6 kg KNO3 Water vapour (V) 1 kg water (T) (м) Mixer Evaporator Crystallizer Feed (F) = 1000 kg/hr 50 wt. % KNO3 95 wt. % KNO3 19 wt. % KNO3 Crystals (C) Ans. C = 200; V= 800; M=900; R= 720; T= 1720 kg/hr Composition of T: 26.7 % KNO3
Transcribed Image Text:Q1// A distillation column is used to separate a ternary mixture of benzene – Toluene and xylene. Part of the data are given in the following table. Complete the data in the table calculate reflux ratio. V Divider Stream Flow rate Composition wt. % Ху. Ib/hr Banz. Tol. F F 1000 42 38 20 Distillation D (a) 96 (b) Column V 1750 R Ans. (a) 437.5 Ib/hr, (b) 562.5 Ib/hr, reflux ratio= 3 Q2// It is required to produce a granulated product (P) from the feed material (F) by the process shown in the block diagram (all percentages are given in wt. %). Calculate the flow rates of all streams in the process. Recycle (R) Outlet air (A) 10 % Water 6% water 94 % air 90 % Solid (T) (G) Product (P) Granulator Dryer Divider 50 % Water 50 % Solid Feed (F) = 400 kg/hr Inlet air (A) 73 % Water 2% water 27 % Solid 98 % air Ans. (P) = 120 KG/hr, (R) = 230 kg/hr, (A) = 6580 kg/hr 1 Sheet 12- Principle Dr. Hameed R. Alamery Q3// Potassium nitrate solution (F) containing 19 wt. % KNO3 are continuously fed to the process consists of mixer; evaporator and crystallizer at rate of 1000 kg/hr as shown in the following block diagram. Calculate the flow rate of all streams in the process and composition (wt. %) of total feed stream (T). Recycle (R) 0.6 kg KNO3 Water vapour (V) 1 kg water (T) (м) Mixer Evaporator Crystallizer Feed (F) = 1000 kg/hr 50 wt. % KNO3 95 wt. % KNO3 19 wt. % KNO3 Crystals (C) Ans. C = 200; V= 800; M=900; R= 720; T= 1720 kg/hr Composition of T: 26.7 % KNO3
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