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1. In an unseeded BOD test, a 300-mL BOD bottle contains 30 mL wastewater sample. The initial DO is 9.0 mg/L and DO drops to 3.2 mg/L after 3 days. The reaction rate constant k is 0.12/day (base e, 20 °C). (a) What is the 3-day, 20°C BOD of the waste? (b) What would be the ultimate carbonaceous BOD? (c) What would be 5-day, 20°C BOD of the waste? (d) What would be the 5-day, 30°C BOD. Note: 0= 1.047

1. In an unseeded BOD test, a 300-mL BOD bottle contains 30 mL wastewater sample. The initial DO is 9.0 mg/L and DO drops to 3.2 mg/L after 3 days. The reaction rate constant k is 0.12/day (base e, 20 °C). (a) What is the 3-day, 20°C BOD of the waste? (b) What would be the ultimate carbonaceous BOD? (c) What would be 5-day, 20°C BOD of the waste? (d) What would be the 5-day, 30°C BOD. Note: 0= 1.047

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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1. In an unseeded BOD test, a 300-mL BOD bottle contains 30 mL wastewater sample. The initial DO is 9.0 mg/L and DO drops to 3.2 mg/L after 3 days. The reaction rate constant k is 0.12/day (base e, 20 °C). (a) What is the 3-day, 20°C BOD of the waste? (b) What would be the ultimate carbonaceous BOD? (c) What would be 5-day, 20°C BOD of the waste? (d) What would be the 5-day, 30°C BOD. Note: 8 = 1.047
Transcribed Image Text:1. In an unseeded BOD test, a 300-mL BOD bottle contains 30 mL wastewater sample. The initial DO is 9.0 mg/L and DO drops to 3.2 mg/L after 3 days. The reaction rate constant k is 0.12/day (base e, 20 °C). (a) What is the 3-day, 20°C BOD of the waste? (b) What would be the ultimate carbonaceous BOD? (c) What would be 5-day, 20°C BOD of the waste? (d) What would be the 5-day, 30°C BOD. Note: 8 = 1.047
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