Léon Paul Tou

Plant Extracts for Heavy Metal Removal from Urban Wastewater: A Critical Review of Removal Mechanisms, Toxicity Reduction, and Implementation Constraints

Urban wastewater carries a persistent load of heavy metals from households, commercial activity, road runoff and small industries. Conventional treatment moves much of this load into sewage sludge, but a substantial fraction can remain in the treated effluent, which limits safe water reuse and the agricultural use of b...