Treatment trains, clarifiers & pump stations — how municipal water and wastewater plants treat, move and monitor water.
Follow raw water through rapid mix, flocculation, settling, granular filtration and a baffled contact chamber while flow, dose and filter bypass change removal and contact time.
Trace influent through screening, primary separation, an aerated biological channel, final clarification and the return-sludge loop.
Watch particles settle to the floor or escape over the outlet weir as Stokes velocity, surface overflow rate and depth change.
Drive a blower, header and diffuser grid and watch oxygen transfer compete with biological uptake to set dissolved oxygen.
Inspect a radial clarifier with feedwell, rake, sludge blanket and underflow pump, and see what happens when withdrawal stops.
Set a target dose and watch a metering pump, stock tank and injection quill deliver it as process flow, strength and blockages change.
Control a dry-well pump from well level and find flow at the intersection of the pump curve and the rising-main system curve.
Stage two submersible pumps from wet-well level with lead/lag control, alternation and fault cases including a stuck level signal.
Cycle a granular filter through service, drawdown, air scour, upward wash and rinse-to-waste with visible valve states.
Compare actual flow, pressure, level, pH and turbidity with a lagging measurement and a 4–20 mA signal under sensor faults.