Explain the importance, in the anaerobic waste treatment process, of relationship between hydrolytic, fermentative and methanogenic microorganisms. What is the electron donor in methanogenesis when CO2 is reduced to methane?
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3. Explain the importance, in the anaerobic waste treatment process, of
relationship between hydrolytic, fermentative and methanogenic microorganisms.
What is the electron donor in methanogenesis when CO2 is reduced to methane?
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- 1. Define and differentiate the following terms: a. halophilic b. Capnophilic c. Microaerophilic1. Why is it the Fluidized Bed Bioreactor is important in the biological wastewater treatment compare to other bioreactors?3. What gases are produced during sludge digestion? Provide information about the approximate/relative quantities (large or small) of the gases as well as their potential uses
- 1. What will be the properties needed to guarantee survival in a mesophilic condition? Answer this comprehensively and completely.2. The operations staff at a sewage treatment plant has decided to reduce the SRT of their activated sludge process from 6 days to 3 days by increasing the recycle rate. The goal is to reduce the oxygen requirement. You have been called in as an expert to give a qualitative assessment of this plan. a. Will the oxygen requirement actually be reduced? b. Will the MLVSS increase, decrease or stay about the same? c. Will the sludge settling characteristics improve, stay about the same, or worsen? d. Will the effluent BOD concentration increase, decrease, or stay about the same? 3. Filamentous bacteria that cause sludge foaming in activated sludge treatment systems differ from the desirable floc-forming bacteria in several aspects of their metabolism. First, filamentous bacteria have different growth curves than floc-forming bacteria as shown in the figure below. Second, filamentous bacteria use only oxygen as an electron acceptor and cannot use nitrate for that function; floc-forming…5. Soil X’s pH is measured before and after urea application, it has been noted that after the application of urea, pH decrease, which of the following processes is most likely responsible for the decrease in soil pH? A. Nitrogen fixation B. Annamox C. Nitrification D. Denitrification
- 1. How does the batch fermentation for various concentrations of date syrup as a natural alternative of carbon source to incite the biomass production of B. megaterium connected to Microbial Physiology?1. Explain the importance of Fluidized Bed Bioreactor in the biological wastewater treatment and why is it used for the biological wastewater treatment instead of other bioreactors?1. Given the following words (Fermentation, cheese, substrate level phosphorylation), make a short explanation on how the given words connect to each other using the concepts in microbial metabolism. Answer this comprehensively.
- 1. Select one product of anaerobic respiration or fermentation.2. It should include the following: a. Description of the Product b. Method/ Process of Creating the Product c. Uses/ Importance of the Product1. Given the following words (Anaerobic respiration, Fermentation, Aerobic respiration), make a short explanation on how the given words connect to each other using the concepts in microbial metabolism. Answer this comprehensively.1. Given the following words (Cytoplasmic membrane, ATP synthase, chemiosmosis), make a short explanation on how the given words connect to each other using the concepts in microbial metabolism. Answer this comprehensively.
