primary sedimentation tank, sewage flows through giant tanks, commonly named “main clarifiers” or “major sedimentation tanks”. These tanks are geared up with mechanically driven scrappers that drive the collected sludge in the direction of a hopper. Some major sedimentation tanks may be lined to control odor. In such circumstances, they are often subjected to biogenic corrosion. Reclaimed water utilization and municipal wastewater discharges have to be authorized. The applicable authorization will depend upon the type of water reuse, sort of discharge
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