Pearson eText Bauman Microbiology with Diseases by Body Systems -- Instant Access (Pearson+)
5th Edition
ISBN: 9780135891018
Author: ROBERT BAUMAN
Publisher: PEARSON+
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Textbook Question
Chapter 25, Problem 5CT
Even though water and wastewater undergo essentially the same forms of treatment, treated wastewater usually is not put into the water system from which drinking water is derived. Why not?
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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.
Why is secondary wastewater treatment
referred to as biological approach?
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 additives
Chapter 25 Solutions
Pearson eText Bauman Microbiology with Diseases by Body Systems -- Instant Access (Pearson+)
Ch. 25 - Prob. 1TMWCh. 25 - Prob. 2TMWCh. 25 - Prob. 1MCCh. 25 - Prob. 2MCCh. 25 - Prob. 3MCCh. 25 - Prob. 4MCCh. 25 - Prob. 5MCCh. 25 - Strains of the bacterium Pseudomonas syringae have...Ch. 25 - Prob. 7MCCh. 25 - Prob. 8MC
Ch. 25 - Prob. 9MCCh. 25 - Prob. 10MCCh. 25 - Lyophilization in food preservation is by...Ch. 25 - Prob. 1MTFCh. 25 - Prob. 2MTFCh. 25 - Prob. 3MTFCh. 25 - Prob. 4MTFCh. 25 - Prob. 5MTFCh. 25 - Intrinsic factors affecting food spoilage are...Ch. 25 - Prob. 2FIBCh. 25 - Prob. 3FIBCh. 25 - Potable water is allowed to have ________...Ch. 25 - Prob. 5FIBCh. 25 - Prob. 6FIBCh. 25 - ________ and _________ are the two types of food...Ch. 25 - Prob. 8FIBCh. 25 - A ________ is a device composed of microbes and...Ch. 25 - Prob. 10FIBCh. 25 - Prob. 1MCh. 25 - Prob. 1VICh. 25 - Prob. 2VICh. 25 - Why does the application or recombinant DNA...Ch. 25 - Given what you know about microbial nutrition and...Ch. 25 - Prob. 3CTCh. 25 - Prob. 4CTCh. 25 - Even though water and wastewater undergo...Ch. 25 - Take a critical look at the garbage in all of your...Ch. 25 - Explain why sakesometimes called rice winewould be...Ch. 25 - Prob. 8CTCh. 25 - Prob. 9CTCh. 25 - Suggest why neither the original food involved nor...Ch. 25 - Prob. 11CTCh. 25 - Prob. 12CTCh. 25 - Prob. 1CM
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- Compare and contrast the processes that occur during primary, secondary, and tertiary wastewater treatmentarrow_forwardWhy is reduction of BOD in wastewater a primary goal ofwastewater treatment? What are the consequences ofreleasing wastewater with a high BOD into local watersources such as lakes or streams?arrow_forwardWhich of the following could be an effect of an excess ofsewage running into a freshwater reservoir?(a) It could cause the water to become polluted and nonpo-table.(b) It could cause an increase in the biological oxygen de-mand (BOD).(c) It could cause oxygen depletion, leading to an increasein the anaerobic microbial population.(d) Large quantities of organic wastes could be left behind,killing off many plants and animals or causing animalsto migrate.(e) All of the above.arrow_forward
- In Arcata, the town’s people have created an integrated waste water treatment process within a natural system. Acitizen group called FOAM helps in upkeep of this project.(a) What are the main steps in waste water management done in this way?(b) ‘Ecosan’ in Kerala and Sri Lanka is also an intiative for water conservation. How?arrow_forwardAlthough the market value of compost is negligible, many communities have implemented yard waste composting systems. Explain why?arrow_forwardThe following is not an indication of a very low BOD except? A The water is healthy thus, water quality is high. B) Contamination is present. c) The available microorganisms are uninterested in consuming the available organics. The available microorganisms are dead or dying.arrow_forward
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