Articles | Volume 13, issue 2
Research article
17 Jul 2020
Research article |  | 17 Jul 2020

Adsorption and desorption studies of Delonix regia pods and leaves: removal and recovery of Ni(II) and Cu(II) ions from aqueous solution

Bolanle M. Babalola, Adegoke O. Babalola, Cecilia O. Akintayo, Olayide S. Lawal, Sunday F. Abimbade, Ekemena O. Oseghe, Lukman S. Akinola, and Olushola S. Ayanda


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Short summary
Conventional methods for the removal of metal ions from water are expensive and inadequate. Hence, other cheaper and easier to handle methods are required. Consequently, the use of agricultural waste materials of no economic value is currently gaining wide acceptance. In this study, Delonix regia pods and leaves were ground, examined and used to remove nickel (II) and copper (II) ions from aqueous solutions. The results show that this agro-waste effectively removes these metals from solution.