Abstract
The combination used electro-assisted system and hydroponic phytoremediation which is hereinafter referred as hydroponic EAPR system for rapid removal of Pb2+ and Cu2+ from contaminated water which has been demonstrated in a laboratory–scale experiment. A hydroponic setting was used to evaluate the potential rapid removal and uptake of lead and copper concentration by water lettuce (Pistia stratiotes Linn.). The effectiveness of two–dimensional (2D) of cathode–pot electrode was introduced in this study. The results obtained from hydroponic EAPR system were compared with the plants exposed in the contaminated lead and copper water by using phytoremediation for 7 d process. The results showed that the accumulation of lead and copper were high in the plant roots. Analysis of chlorophyll content in treated plant with high lead concentration for EAPR system has showed that water lettuce could cope with lead and copper stress. The overall metal uptake in plant system was higher under EAPR system than one compared with phytoremediation process.
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