Adsorption Process Using Kepok Banana Peel to Remove Heavy Metal Ions

IJEP 42(14): 1732-1736 : Vol. 42 Issue. 14 (Conference 2022)

Rositayanti Hadisoebroto*, I.M. Putri, Asih Wijayanti and L. Rahmiyati

Universitas Trisakti, Faculty of Landscape Architecture and Environmental Technology, Department of Environmental Engineering, Jakarta 11440, Indonesia


The presence of heavy metals in medical laboratory wastewater raises serious environmental problems. Various studies have been carried out on banana peel bioadsorbent in reducing heavy metal ions. This study aims to observe  the performance of bioadsorbent in removing heavy metal ions. The production of bioadsorbent from banana peels vary in the time required for the furnace, the activation process and the method of chopping. However, characteristics of the bioadsorbent are quite similar in terms of grain and pore sizes. Banana peel derived from agricultural waste was used to produce bioadsorbent through an easy and environmentally-friendly process. The adsorption efficiency depends on many factors, namely particle size, adsorbent dose, contact time and adsorbate concentration. The banana peel bioadsorbent follows the Langmuir adsorption isotherm. Banana peel bioadsorbent can reduce heavy metals, such as Pb, Cu, Cr and Hg in both liquid and gaseous forms. Results have shown that banana peel is quite an effective ingredient that can be used as a bioadsorbent to overcome environmental problems. The potential application of banana peel-based bioadsorbent can be further investigated on a large scale.


Adsorption, Bioadsorbent, Heavy metal ions, Kepok banana peel


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