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Pujol, D., Bartrolí, M., Fiol, N., de la Torre, F., Villaescusa, I., & Poch, J. (2013). Modelling Synergistic Sorption of Cr(VI), Cu(II) and Ni(II) onto Exhausted Coffee Wastes from Binary Mixtures Cr(VI)-Cu(II) and Cr(VI)-Ni(II). Chemical Engineering Journal, 230, 396-405.
https://doi.org/10.1016/j.cej.2013.06.033

has been cited by the following article:

• TITLE: Comparative Study on the Treatment of Leachate from a Mine Waste Dump with Two Agricultural Biowastes

  AUTHORS: Begoña Fernández Pérez, Julia Ayala Espina

  KEYWORDS: Adsorption, Mining Waste Leachate, Heavy Metals, Walnut Shells, Coffee Spent

  JOURNAL NAME: Journal of Geoscience and Environment Protection, Vol.9 No.9, September 22, 2021

  ABSTRACT: Mining waste dumps are present all over the world. One of the main problems of these solid deposits is the migration of heavy metals present in them due to the aqueous solutions flowing through them. The comparison of the removal of heavy metals from an aqueous solution of a real mining waste leachate under different conditions by two different agricultural wastes has been investigated. The effect of pH, contact time and dosage was studied using coffee grounds (CG) and walnut shells (WS), without pretreatment. The results obtained in the study showed the potential use of CG and WS for the removal of heavy metals, although the coffee grounds are the best adsorbents than the walnut shell.