Question: PLEASE PROVIDE COMPREHENSIVE LONG ANSWER AND ANSWER ALL PARTS. A wastewater sample is collected from the influent of a wastewater treatment plant. Technicians place a

PLEASE PROVIDE COMPREHENSIVE LONG ANSWER AND ANSWER ALL PARTS.

A wastewater sample is collected from the influent of a wastewater treatment plant. Technicians place a volume Vs of 10mL of the sample in a 300mL BOD bottle. Then they fill the bottle with oxygen saturated dilution water of D0=11mg/L. After incubating in the dark at 20C for 5 days, the technicians determined that the BOD5 is 400mg/L and the Df=4mg/L. Did the technicians calculate correctly the BOD5 of the sample? Explain numerically

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Chemical Engineering Questions!

PLEASE PROVIDE COMPREHENSIVE LONG ANSWER AND ANSWER ALL PARTS. Explain the following concepts: a) Treatment of wastewater IN PLANT and END OF PIPE? Which is more economic? Why? b) Steps in the...

CHAPTER 14 The Massive Waterborne Outbreak ofCryptosporidium Infections, Milwaukee, Wisconsin, 1993 Jeffrey P. Davis, MD Wisconsin, 1993 INTRODUCTION: APRIL 5, 1993 On Monday morning, April 5, Dr....

Chapter 7: Wastewater Management IN THIS CHAPTER U.S. wastewater regulations Sources of contamination of wastewaters Classification of water pollutants Characteristics of wastewater Wastewater...

I need help on the Boulder Public School Case Study . There are three questions asked at the end of the case study. HBSP Product Number TCG239. Rev. Oct. 2015 THE CRIMSON PRESS CURRICULUM CENTER THE...

Q1-Explain how the EBIT Chart works (inputs determining the outputs-the two lines on the chart Case Leahy Bread Company (LBC) in Cohen Finance Workbook, page 111( a 'caselette') SEE THE IS/BS MODEL &...

Prepare the financial analysis to support your decision between bankruptcy,voluntary reorganization,and Chapter11reorganization.It must be complete and prepared in a professional level,with the...

Instead of answer questions at the end of the case! Please briefly analyze the central problems and issues of the case, and provide some meaningful analysis and suggestions. The report should not be...

''' PLEASE NEED SOMEONE TO ANSWER THOSE QUESTIONS ASAP !!! ''' China has for a long time clung to bilateralism or unilateralism in its handing of regional disputes and managing of its foreign...

only question 2.. plz help me.. im offering all my credits. i swear... Faculty of Business, Economics & Accounting Department of Accounting and Finance HELP Bachelor of Business (Hons) Year 3...

Lecture Notes DL MGT 5100 - Distribution Management Spring 2017 1.0. Day one, Monday, Monday, 9 Jan 17 1.1. Reading Assignments: Chapters 1 and 2 1.1.1. I intend to follow the book so as to provide a...

Global supply chains are exposed to more risk today than ever before. Review Chapter 6 in your textbook and read, "Building the Supply Chain of the Future," from the McKinsey Quarterly, and then...

Downing Company purchased a new machine on September 1, 2010, at a cost of $90,000. The company estimated that the machine has a salvage value of $6,000. The machine is expected to be used for 70,000...

A convenience store manager suspects a cashier of skimming cash. The manager cannot prove it through video footage and wants to substantiate the skimming suspicions. Which procedure should the...

Which of the following are problems with identifying users of ABC? Multiple select question. ABC means different things to different organizations. Organizations will announce the discontinuance of...

(Appendices) UNCOLLECTIBLE ACCOUNT EXPENSE: AGING METHOD. Glencoe Supply had the following accounts receivable aging schedule at the end of a recent year: LO6

(Appendices) ALLOWANCE FOR UNCOLLECTIBLE ACCOUNTS. At the beginning of the year, Kullerud Manufacturing had a credit balance in its allowance for uncollectible accounts of $6,307. During the year...

(Appendices) SALES AND PURCHASE DISCOUNTS: GROSS AND NET METHODS. Sims Company regularly sells merchandise to Lauber Supply on terms 3/15, n/20. During a recent month, the two firms engaged in the...