Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 2AQ
Why is reduction of BOD in wastewater a primary goal of wastewater treatment? What are the consequences of releasing wastewater with a high BOD into local water sources such as lakes or streams?
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Which statement among A-C is not applicable to flocculation, or floc formation, during wastewater treatment?
A) O Filamentous bacteria enhance floc formation.
B) O Flocculation is important for the production of a clear effluent stream of wastewater.
O O Flocculation decreases the amount of BOD entering the effluent stream of wastewater.
D) OA-C are all applicable.
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Chapter 21 Solutions
Brock Biology of Microorganisms (14th Edition)
Ch. 21.1 - What is required to oxidize CuS under anaerobic...Ch. 21.1 - What key role does Acidithiobacillus ferrooxidans...Ch. 21.2 - In what oxidation state is iron in the mineral...Ch. 21.2 - Prob. 2MQCh. 21.3 - Which reaction, oxidation or reduction, is key to...Ch. 21.3 - Prob. 2MQCh. 21.4 - Why do petroleum-degrading bacteria need to attach...Ch. 21.4 - Prob. 2MQCh. 21.5 - Prob. 1MQCh. 21.5 - What is reductive dechlorination and how does it...
Ch. 21.5 - What main advantage do microbial plastics have...Ch. 21.6 - Prob. 1MQCh. 21.6 - Prob. 2MQCh. 21.6 - Other than treated water, what are the final...Ch. 21.7 - Prob. 1MQCh. 21.7 - Prob. 2MQCh. 21.8 - Prob. 1MQCh. 21.8 - What general procedures are used to reduce...Ch. 21.8 - Prob. 3MQCh. 21.9 - Prob. 1MQCh. 21.9 - Prob. 2MQCh. 21.10 - Prob. 1MQCh. 21.10 - Why is accelerated microbial corrosion of iron...Ch. 21.11 - Prob. 1MQCh. 21.11 - Prior to better regulatory control of metal...Ch. 21 - Prob. 1RQCh. 21 - QWhich Bacteria and Archaea play a major role in...Ch. 21 - REVIEW QUESTIONS
3. Describe a strategy for...Ch. 21 - Prob. 4RQCh. 21 - Prob. 5RQCh. 21 - QTrace the treatment of wastewater in a typical...Ch. 21 - Prob. 7RQCh. 21 - QIdentify (stepwise) the process of purifying...Ch. 21 - Prob. 9RQCh. 21 - Prob. 10RQCh. 21 - Prob. 11RQCh. 21 - Prob. 1AQCh. 21 - Why is reduction of BOD in wastewater a primary...Ch. 21 - Prob. 3AQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A given municipal wastewater can be treated with the following methods. N + AS, Activated sludge with pre-denitrificationAS + N Activated sludge with post-denitrificationor UCT (Biological Phosphorus Purification designed at the University of Cape Town) Which process needs the greatest addition of lime? (choose the right answer) AS + N N + AS UCT Everyone needs the same amount of additivesarrow_forwardWhat are some unsustainable approaches for meeting our needs for clean fresh water?arrow_forwarda) Define 'Disinfection' and 'Sterilization' OR differentiate between them. b) Enlist the different methods of 'Disinfection' which method would you recommend for 'Municipal Water Supply' and WHY? Depending on the availability of 'Source of Water which 'Source' is more important than the other for disinfection and WHY? Give reason. c) of them is stronger than the other and by what percentage? Define or differentiate between “Free Available Chlorine" and “Combined Available Chlorine". Write their Chemical Formulae and mention which one d) Define “Break Point Chlorination". With the help of a neat Figure' show the "Break Point" and also show "Combined Available Chlorine", "Free Available Chlorine" and "Total Available Chlorine". Mention the “Dosage" in order to obtain a “Free Available Chlorine Residual" of about 0.5 mg/l or above. e) Define the term “Chlorine Demand" of water. What are the "Factors" OR enlist the "Factors" that show the "Effectiveness of Chlorine".arrow_forward
- Name the secondary pollutant.arrow_forwardHow do primary and secondary wastewater treatmentmethods differ?arrow_forwardWhat other methods can be used to determine the microbiological quality of water? What infectious diseases can be transmitted by polluted water? Give at least 2 viral, 2 bacterial, and 2 protozoan waterborne infectious agentarrow_forward
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