Hydraulic Retention in Environmental Engineering Formulas

Hydraulic Retention is referred as the ratio between the reactor volume and the feed flow rate, represents the average time the cells and substrates stay inside the reactor. And is denoted by θ_h. Hydraulic Retention is usually measured using the Second for Time. Note that the value of Hydraulic Retention is always negative.

Formulas to find Hydraulic Retention in Environmental Engineering

fxHydraulic Retention Time given Volume Required for Anaerobic DigesterGo

List of variables in Environmental Engineering formulas

fx Volume Go

fx Influent Sludge Flow Rate Go

FAQ

What is the Hydraulic Retention?

Hydraulic Retention is referred as the ratio between the reactor volume and the feed flow rate, represents the average time the cells and substrates stay inside the reactor. Hydraulic Retention is usually measured using the Second for Time. Note that the value of Hydraulic Retention is always negative.

Can the Hydraulic Retention be negative?

Yes, the Hydraulic Retention, measured in Time can be negative.

What unit is used to measure Hydraulic Retention?

Hydraulic Retention is usually measured using the Second[s] for Time. Millisecond[s], Microsecond[s], Nanosecond[s] are the few other units in which Hydraulic Retention can be measured.

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