16 Questions
What is the primary purpose of anaerobic digestion?
Produce biogas
Which type of digestion involves the breakdown of organic matter in the presence of oxygen?
Aerobic Digestion
What is a key benefit of temperature control in anaerobic digestion?
It increases the production of biogas
Which factor does NOT typically affect anaerobic digestion efficiency?
Oxygen concentration
In which type of digestion process does manure composting play a significant role?
Aerobic Digestion
Which factor is not considered in creating the 'right' environment for anaerobic digestion?
Light exposure
What is the most important toxic material affecting anaerobic digestion?
Ammonia
At what temperature does Thermophilic digestion occur?
58-60°C
What type of treatment process depends on microorganisms that require the presence of dissolved free oxygen?
Aerobic digestion
How much dissolved free oxygen (DO) is needed for microorganisms in aerobic treatment processes to sustain their metabolic processes?
3 mg of DO/l
Why is Thermophilic digestion more rapid compared to Mesophilic digestion?
Usage of small tanks
Which of the following factors is essential for sustaining the metabolic processes of microorganisms in aerobic treatment?
Presence of dissolved free oxygen
Why is it impractical to consider biogas as an energy source for mobile equipment?
Inability to be easily dissolved like propane
What type of treatment process does not rely on the presence of dissolved free oxygen for microorganism activity?
Anaerobic digestion
What residence time is required for anaerobic digestion at 35-38°C?
30 days
Which process involves microorganisms that do not need oxygen to carry out metabolic functions?
Anaerobic digestion
Test your knowledge on anaerobic and aerobic digestion processes including lagoons, digesters, manure composting, and more. Learn about the differences between these two methods of waste treatment.
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