Encapsulating of humic acid in hydrogel matrix for the complexation of heavy metals in aqueous solutions
Sithi, Rabelani Leonard
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Rapid industrialization growth without appropriate emission standards for discharging environmental pollutants had exposed the ecosystem to detrimental effect. Due to their bioaccumulation propensity in organisms, toxicity and non-biodegradable aspect, heavy metal spoliation is currently a significant ecological obligation. Owing to their natural abundance and extensive use, cadmium (Cd) and lead (Pb), among different heavy metals, are the predominant toxic metals. The intrusion of Cd and Pb metal ions into the ecosystem is accomplished by widely accepted methods such as anticorrosive coating of steel, electronic circuit and batteries.