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3 cards from this section. Quick, good the night before a test.
What is the principle of mass balance?
Think about inputs and outputs in a system.
Define sludge.
Consider the composition of wastewater.
What does mass balance assert?
Consider inputs versus outputs in the system.
True or False: Adding rainwater to sludge will increase the concentration of contaminants.
Think about how water interacts with solids.
A treatment facility has a mixture of 600,000 kg sludge with 250 mg of contaminant A. If 800 m³ rainwater is introduced into the system, what is the new concentration of A assuming all other conditions remain stable?
Use mass balance equations to guide your calculations.
The organic carbon content of the sludge is 10%. If 10% of the contaminants are bound to this carbon, how would this influence measurements if not accounted for?
Consider how organic carbon binds to contaminants and the implications for data accuracy.
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