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pH Effect, Isothermal Adsorption, and Adsorption Kinetic Study of Copper(II) Ion into PVA/Alginate Beads Containing Banana Peels Satrimafitrah, Pasjan; Inda, Nov Irmawati; Ketut Sumarni, Ni; Sarapun, Veky; Fridian Aprilia, Natasya; Shiomori, Koichiro
The Journal of Pure and Applied Chemistry Research Vol. 12 No. 3 (2023): September-December 2023
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpacr.2023.012.03.3319

Abstract

Banana peels have been widely used as a biosorbent for metal ion adsorption. However, the small size of banana peels as a biosorbent leads to difficulty in the separation process of banana peels from the aqueous solution. Thus, the banana peels were impregnated into PVA/Alginate beads to increase the biosorbent size using the (W/O) emulsion process. Various amounts of banana peels were impregnated into beads. The obtained beads were used to adsorb copper(II) ions from aqueous solutions. The result shows that beads could extract the copper(II) ion from an aqueous solution containing 0.7875 ppm copper(II) ion at pH 4 with the quantity of extraction was 0.729 mmol/g. The effect of contact time and initial concentration indicates that the adsorption process of copper(II) ion from aqueous solution using beads follows the Langmuir isothermal adsorption and the adsorption kinetic follows the pseudo-second-order equation. Hence, the adsorption mechanism follows a chemisorption process with monolayer formation on the PVA/Alginate containing banana peels. Further investigation was carried out and found that the surface reaction and film diffusion occurred at initial stage of contact time, adsorptive diffusion through pores occurred at the later stage.
Co-Authors Abd. Rahman Razak Ahmad Ridhay Aini Auliana Amar Delta Rinanda Duda Dwi Juli Puspitasari Erwin Abdul Rahim Fridian Aprilia, Natasya Hardi Ys. Husain Sosidi Husain Sosidi Indriani Indriani Indriani Jaya Hardi Joy Noldy Baciang Jusman, Jusman Khairuddin Khairuddin Lisma Habiba Minda M Moh. Mirzan Moh. Mirzan Moh. Mirzan Mohamad Afdal Nea, Sirah Diniati Ni Kadek Atmiyanti Ni Ketut Sumarni Nurakhirawati Nurhaeni Pasjan Satrimafitrah Prismawiryanti Prismawiryanti Ruslan Ruslan Ruslan Sarapun, Veky Shiomori, Koichiro Sitti Nur Halizah Syaiful Bahri WILDA YANTI Wiranto Wengkau