Class B Drinking Water Practice Test, Categorized

Ion exchange, followed by aeration then disinfection. Disinfection, greensand filtration, then aeration. Ozone addition, aeration, then disinfection. Chemical oxidation followed by greensand filtration, then disinfection. A brackish water source has high amounts of chloride, TDS, organic acids, turbidity, color and bacteria. Which treatment ... ................
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