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23.18 The following data were obtained in the analysis of an industrial waste: After 5 days of incubation at 20°C, the residual dissolved oxygen in blanks was 7.80 mg/L, and in a 0.1 percent dilution of the waste was 2.80 mg/L. What is the 5-day BOD of the waste? How many pounds of 5-day BOD are contained in 10,000 gallons of the waste? (a) (b)

23.18 The following data were obtained in the analysis of an industrial waste: After 5 days of incubation at 20°C, the residual dissolved oxygen in blanks was 7.80 mg/L, and in a 0.1 percent dilution of the waste was 2.80 mg/L. What is the 5-day BOD of the waste? How many pounds of 5-day BOD are contained in 10,000 gallons of the waste? (a) (b)

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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- 23.18 The following data were obtained in the analysis of an industrial waste: After 5 days of incubation at 20°C, the residual dissolved oxygen in blanks was 7.80 mg/L, and in a 0.1 percent dilution of the waste was 2.80 mg/L. (a) What is the 5-day BOD of the waste? (b) How many pounds of 5-day BOD are contained in 10,000 gallons of the waste? 23.19 Determine the 10-day carbonaceous BOD of a river sample from the following data dilution und)
Transcribed Image Text:- 23.18 The following data were obtained in the analysis of an industrial waste: After 5 days of incubation at 20°C, the residual dissolved oxygen in blanks was 7.80 mg/L, and in a 0.1 percent dilution of the waste was 2.80 mg/L. (a) What is the 5-day BOD of the waste? (b) How many pounds of 5-day BOD are contained in 10,000 gallons of the waste? 23.19 Determine the 10-day carbonaceous BOD of a river sample from the following data dilution und)
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