Activated Carbon from Honeydew Rind as an Adsorbent in Zinc Removal from Aqueous Solutions

Abstract:

In this study, activated carbon (AC) was produced from honeydew rind, a low-cost agricultural by-product, by chemical activation using H₂SO₄ as an activator was used as an adsorbent for the removal of zinc ions from aqueous solutions. Preparation method on the effect of surface morphology at different carbonization temperatures 450°C, 470°C, 490°C and 510°C was studied. The AC was characterized using FEM-SEM, FTIR and TG. Batch adsorptions were carried out to optimize different variables such as zinc concentration, contact time, pH and biosorbent amount. The results from AAS analysis showed that the maximum adsorption of zinc onto honeydew rind AC was achieved at the conditions of pH 7.5, 1.5g biosorbent amount, 1000mg/L initial zn concentration and 45min contact time. The maximum metal uptake and maximum removal were 66.55mg/g and 99.79% respectively.

• Periodical: Applied Mechanics and Materials (Volumes 773-774)
• Pages: 1246-1250
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.773-774.1246
• Online since: July 2015
• Authors: Zalilah Murni Yunus*, Norzila Othman, Rafidah Hamdan, Nurun Ruslan Najwa, Norfarihah Abu Kasin, Nur Solini Leman
• Keywords: Activated Carbon, Honeydew Rind, Wastewater Treatment, Zinc

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