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A plating plant has a waste stream containing zinc and nickel in quantities in excess of that allowed to be discharged into the sewer. The proposed process to be used as a first step in reducing the concentration of Zn and Ni is shown in the following figure. Each stream 1) contains water. The concentrations of several of the streams are listed in the table. What is the flow (in L/hr) of the recycle stream R2 if the feed is 1 L/hr? w (H,0 100%) 2 • Po R2 Concentration (g/L) Stream Zn Ni F 100 10.0 Po 190.1 17.02 P2 3.50 2.19 R2 4.35 2.36 0.10 1.00

A plating plant has a waste stream containing zinc and nickel in quantities in excess of that allowed to be discharged into the sewer. The proposed process to be used as a first step in reducing the concentration of Zn and Ni is shown in the following figure. Each stream 1) contains water. The concentrations of several of the streams are listed in the table. What is the flow (in L/hr) of the recycle stream R2 if the feed is 1 L/hr? w (H,0 100%) 2 • Po R2 Concentration (g/L) Stream Zn Ni F 100 10.0 Po 190.1 17.02 P2 3.50 2.19 R2 4.35 2.36 0.10 1.00

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 plating plant has a waste stream containing zinc and nickel in quantities in excess of
that allowed to be discharged into the sewer. The proposed process to be used as a first step
in reducing the concentration of Zn and Ni is shown in the following figure. Each stream
contains water. The concentrations of several of the streams are listed in the table. What is
the flow (in L/hr) of the recycle stream R2 if the feed is 1 L/hr? 

A plating plant has a waste stream containing zinc and nickel in quantities in excess of that allowed to be discharged into the sewer. The proposed process to be used as a first step in reducing the concentration of Zn and Ni is shown in the following figure. Each stream 1) contains water. The concentrations of several of the streams are listed in the table. What is the flow (in L/hr) of the recycle stream R2 if the feed is 1 L/hr? W (H,0 100%) P2 D • Po R2 Concentration (g/L) Stream Zn Ni F 100 10.0 Po 190.1 17.02 P2 3.50 2.19 R2 4.35 2.36 w D 0.10 1.00
Transcribed Image Text:A plating plant has a waste stream containing zinc and nickel in quantities in excess of that allowed to be discharged into the sewer. The proposed process to be used as a first step in reducing the concentration of Zn and Ni is shown in the following figure. Each stream 1) contains water. The concentrations of several of the streams are listed in the table. What is the flow (in L/hr) of the recycle stream R2 if the feed is 1 L/hr? W (H,0 100%) P2 D • Po R2 Concentration (g/L) Stream Zn Ni F 100 10.0 Po 190.1 17.02 P2 3.50 2.19 R2 4.35 2.36 w D 0.10 1.00
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