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TRUE
FALSE
Trickling Filter
Rotating Biological Contactors
Biological Activated Filter
Anaerobic Filter
Lagoon
The media used
The contaminant
The electron acceptor
Method of adding nutrients
All of the above.
Between the aerobic layer and the wastewater flowing past.
Between the aerobic layer and the disk media
There is no anaerobic layer as air will exist in the tank.
Aeration
Being less submerged
By expanding the area of the unit.
Aerobic suspended growth system
Anaerobic suspended growth system
Aerobic attached growth system
Anaerobic attached growth system
None of the above, it is a physical treatment to wash out the metals.
A biological treatment product can be aerobic, anaerobic and anoxic but a biological treatment process can only be aerobic.
They are the same.
A biological treatment product can only be aerobic but a biological treatment process can aerobic, anaerobic and anoxic.
In a biological treatment product, generally only one process occurs but a biological treatment process incorporate a number of different technologies in their design e.g. multiple steps occur in the one system sequentially.
In a biological treatment product, a number of different technologies are incorporated into their design (e.g. multiple steps occur sequentially) but in a biological treatment process, generally only one process occurs.
Higher concentration of microorganisms would exist.
The system would have higher metabolic activity
Greater resistance to toxicity
The population of microorganisms does not increase during an attached growth process.
All of the above are advantages of an attached growth system.