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Filtration techniques (Slow sand filters vs. Rapid sand filters). Disinfection methods, with a heavy focus on chlorination. Advanced water softening and desalination techniques. 3. Wastewater (Sewerage) Engineering Estimation of dry weather flow (DWF) and storm runoff. Hydraulic design of circular and non-circular sewers. environmental engineering by nn basak pdf free download best
: Sewage collection, sewer design, and characteristics of domestic and industrial wastewater.