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Seawater containing 3.5 wt% salt passes through a series of 10 evaporators. Roughly equal quantity of water are vaporized in each of the 10 units and then condensed and combined to obtain a product stream of fresh water. The brine leaving each evaporator but the tenth is fed to the next evaporator. The brine leaving the tenth evaporator contains 5wt% salt. 1. Draw a flowchart of the process showing the first, fourth and tenth evaporators. Label all the streams entering and leaving these three evaporators. 2. Determine the fractional yield of fresh water from the process (kg H,O recovered/kg H,O in the process feed) and the weight percent of salt leaving in the fourth evaporator.

Seawater containing 3.5 wt% salt passes through a series of 10 evaporators. Roughly equal quantity of water are vaporized in each of the 10 units and then condensed and combined to obtain a product stream of fresh water. The brine leaving each evaporator but the tenth is fed to the next evaporator. The brine leaving the tenth evaporator contains 5wt% salt. 1. Draw a flowchart of the process showing the first, fourth and tenth evaporators. Label all the streams entering and leaving these three evaporators. 2. Determine the fractional yield of fresh water from the process (kg H,O recovered/kg H,O in the process feed) and the weight percent of salt leaving in the fourth evaporator.

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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Seawater containing 3.5 wt% salt passes through a series of 10 evaporators. Roughly equal quantity of water are vaporized in each of the 10 units and then condensed and combined to obtain a product stream of fresh water. The brine leaving each evaporator but the tenth is fed to the next evaporator. The brine leaving the tenth evaporator contains 5wt% salt. 1. Draw a flowchart of the process showing the first, fourth and tenth evaporators. Label all the streams entering and leaving these three evaporators. 2. Determine the fractional yield of fresh water from the process (kg H,O recovered/kg H,O in the process feed) and the weight percent of salt leaving in the fourth evaporator.
Transcribed Image Text:Seawater containing 3.5 wt% salt passes through a series of 10 evaporators. Roughly equal quantity of water are vaporized in each of the 10 units and then condensed and combined to obtain a product stream of fresh water. The brine leaving each evaporator but the tenth is fed to the next evaporator. The brine leaving the tenth evaporator contains 5wt% salt. 1. Draw a flowchart of the process showing the first, fourth and tenth evaporators. Label all the streams entering and leaving these three evaporators. 2. Determine the fractional yield of fresh water from the process (kg H,O recovered/kg H,O in the process feed) and the weight percent of salt leaving in the fourth evaporator.
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