Abstract
This study evaluates the effectiveness of a lime coagulation, lime, and limesoda ash softening in the removal of lead. The treatment processes were simulated at laboratory scaie oh a variety of waters having synthetically developed Chemical characteristics. All Systems reduced lead levels to 0.05 mg/l; however, alum coagulation was effective only in the pH range 8–9, not at near neutral values. Chemical softening in the solids‐contact mode resulted in virtually complete removal of lead.
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