Scale up of 2,4-dichlorophenol removal from aqueous solutions using Brassica napus hairy roots

▶ B. napus hairy roots were effectively used for a large scale removal of 2,4-DCP. ▶ High removal efficiencies were obtained (98%) in a short time (30 min). ▶ Roots were re-used for six consecutive cycles with high efficiency. ▶ Post removal solutions showed no toxicity. ▶ This method could be used for continuous and safe treatment of phenolic effluents.