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10,000 kg/hr of an aqueous feed containing 1% dissolved solids is to be concentrated to 20% solids, in a single effect evaporator. The feed enters at 25°C. The steam chest is fed with saturated steam at 110°C. The absolute pressure maintained in the evaporator is such that the water will boil at 55°C. The heat transfer area available is 50 m2. The boiling point cievations are as follows: Feed: 0.2°C; 20% solution: 15°C 'The overall heat transfer coefficient, under normal operating conditions would be 2500 W/m2.°C. Estimate the heat load on the condenser, assuming no sub cooling of condensate.

10,000 kg/hr of an aqueous feed containing 1% dissolved solids is to be concentrated to 20% solids, in a single effect evaporator. The feed enters at 25°C. The steam chest is fed with saturated steam at 110°C. The absolute pressure maintained in the evaporator is such that the water will boil at 55°C. The heat transfer area available is 50 m2. The boiling point cievations are as follows: Feed: 0.2°C; 20% solution: 15°C 'The overall heat transfer coefficient, under normal operating conditions would be 2500 W/m2.°C. Estimate the heat load on the condenser, assuming no sub cooling of condensate.

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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10,000 kg/hr of an aqueous feed containing 1% dissolved solids is to be concentrated to 20% solids, in a single effect evaporator. The feed enters at 25°C. The steam chest is fed with saturated steam at 110°C. The absolute pressure maintained in the evaporator is such that the water will boil at 55°C. The heat transfer area available is 50 m2. The boiling point cievations are as follows: Feed: 0.2° C; 20% solution: 15°C The overall heat transfer coefficient, under normal operating conditions would be 2500 W/m2.°C. Estimate the heat load on the condenser, assuming no sub cooling of condensate.
Transcribed Image Text:10,000 kg/hr of an aqueous feed containing 1% dissolved solids is to be concentrated to 20% solids, in a single effect evaporator. The feed enters at 25°C. The steam chest is fed with saturated steam at 110°C. The absolute pressure maintained in the evaporator is such that the water will boil at 55°C. The heat transfer area available is 50 m2. The boiling point cievations are as follows: Feed: 0.2° C; 20% solution: 15°C The overall heat transfer coefficient, under normal operating conditions would be 2500 W/m2.°C. Estimate the heat load on the condenser, assuming no sub cooling of condensate.
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