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Sodium hypochlorite (NaOCI, available at a strength of 14% and SG=1.0) is used as a disinfectant at a water treatment plant that processes 25 mgd of water. When added to water, sodium hypochlorite undergoes the reactions shown below. The facility would like to achieve an initial hypochlorite dose of 4.5 mg/L OCl and will disinfect the water pH = 7.0. The disinfection chamber will have a L:W:D ratio of 60:1:1. Reaction #1: NAOCI → Na* + OCI- HOCI E→ H* + OCI no pKa...reaction proceeds to completion pK, = 7.6 Reaction #2: a. Based on Reaction #1, how much NaOCI (in gal/min) will be required to achieve the target dose? b. If the facility would like to maintain a 2-week supply of sodium hypochlorite, what storage volume is required (in 1,000 gallons)?

Sodium hypochlorite (NaOCI, available at a strength of 14% and SG=1.0) is used as a disinfectant at a water treatment plant that processes 25 mgd of water. When added to water, sodium hypochlorite undergoes the reactions shown below. The facility would like to achieve an initial hypochlorite dose of 4.5 mg/L OCl and will disinfect the water pH = 7.0. The disinfection chamber will have a L:W:D ratio of 60:1:1. Reaction #1: NAOCI → Na* + OCI- HOCI E→ H* + OCI no pKa...reaction proceeds to completion pK, = 7.6 Reaction #2: a. Based on Reaction #1, how much NaOCI (in gal/min) will be required to achieve the target dose? b. If the facility would like to maintain a 2-week supply of sodium hypochlorite, what storage volume is required (in 1,000 gallons)?

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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Sodium hypochlorite (NaOCI, available at a strength of 14% and SG=1.0) is used as a disinfectant at a water treatment plant that processes 25 mgd of water. When added to water, sodium hypochlorite undergoes the reactions shown below. The facility would like to achieve an initial hypochlorite dose of 4.5 mg/L OCl and will disinfect the water pH = 7.0. The disinfection chamber will have a L:W:D ratio of 60:1:1. NaOCI → Na* + OCI- HOCI E→ H* + OCI- Reaction #1: no pKa...reaction proceeds to completion pKa = 7.6 Reaction #2: Based on Reaction #1, how much NaOCl (in gal/min) will be required to achieve the target dose? b. If the facility would like to maintain a 2-week supply of sodium hypochlorite, what storage volume is required (in 1,000 gallons)? a.
Transcribed Image Text:Sodium hypochlorite (NaOCI, available at a strength of 14% and SG=1.0) is used as a disinfectant at a water treatment plant that processes 25 mgd of water. When added to water, sodium hypochlorite undergoes the reactions shown below. The facility would like to achieve an initial hypochlorite dose of 4.5 mg/L OCl and will disinfect the water pH = 7.0. The disinfection chamber will have a L:W:D ratio of 60:1:1. NaOCI → Na* + OCI- HOCI E→ H* + OCI- Reaction #1: no pKa...reaction proceeds to completion pKa = 7.6 Reaction #2: Based on Reaction #1, how much NaOCl (in gal/min) will be required to achieve the target dose? b. If the facility would like to maintain a 2-week supply of sodium hypochlorite, what storage volume is required (in 1,000 gallons)? a.
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