Water Treatment Process Design

8 weeks · 0 milestones

Design a water treatment process for a defined water quality problem — drinking water treatment, wastewater treatment, or industrial water reuse. The design must include: a treatment objectives statement (inlet quality, target outlet quality, and applicable standards or guidelines), a treatment train selection (the sequence of unit processes chosen with alternatives considered and screening rationale), sizing calculations for at least 2 unit operations (e.g. coagulation–flocculation basin, sedimentation tank, filtration bed, disinfection contact time) with documented methodology and design parameters, a treated water quality estimate comparing the calculated performance against the treatment objective, and identification of the primary operational challenges (sludge handling, chemical storage, energy use). Preferred proof: design calculations from a real water treatment project. Accessible alternative: hand sizing calculations using EPA Design Manual for Wastewater Treatment (freely available), WHO Drinking Water Quality Guidelines (free), or equivalent national guidance — applied to a real water quality dataset from a public environmental monitoring database (USGS NWIS, EPA STORET, or equivalent). Proof artifacts: the treatment train flowsheet (design artifact) and the unit operation sizing calculations and performance estimate (analysis artifact). Verification: an environmental engineer reviews the sizing — 'your detention time assumes a surface loading rate of X — if the influent flow peaks at 150% of design, what happens to your effluent quality?' — requiring you to reason from your own design parameters.

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