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All Journal ASEAN Journal of Chemical Engineering
Dita Floresyona
Department of Chemical Engineering, Universitas Pertamina, Simprug, Jakarta Selatan 12220, Indonesia
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry

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Effect of pH on Adsorption of Cu2+ by Using Composite of Polyvinyl alcohol (PVA)/Kaolin Nur Afiqah Aina Hassim; Khee Chung Hui; Dita Floresyona; Norashikin Ahmad Kamal; Nonni Soraya Sambudi
ASEAN Journal of Chemical Engineering Vol 22, No 1 (2022)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ajche.71028

Abstract

The existence of copper ions in the aquatic environment at a high level can cause negative repercussions for living organisms due to the toxic effect of bioaccumulation in the food chain. Hence, a profound effort is imperative to remove them from water effectively. Among feasible alternatives, a composite film made of PVA and kaolin is reviewed for copper removal via an adsorption mechanism. In this paper, the removal of copper ions from aqueous solution using PVA/Kaolin composite film has been studied with initial copper ions concentration within the range of 50 and 100 ppm and pH of the aqueous solution being controlled at 4, 7, and 9. The loading of 3 wt% kaolin in PVA shows the best adsorption performance in removing 99.14% of 50 ppm copper with an equilibrium adsorption capacity of 5.379 mg g-1 at pH 7. The composite can maintain the adsorption performance for the removal of 100 ppm copper solution at 96.26%.
Co-Authors Khee Chung Hui Nonni Soraya Sambudi Norashikin Ahmad Kamal Nur Afiqah Aina Hassim