Penentuan Kondisi Optimum Adsorpsi Kromium (III) Menggunakan Biosorben dari Limbah Kulit Nangka (Artocapus heterophyllus)

Karina Ardiani, Arifah Nur Raya, Inayati Inayati

Abstract

The purposes of the research are determine the optimum condition and the
maximum adsorpstion of Cr (III) by biosorben from jackfruit peel. The process of the
adsorption was started by to put 0.03 grams jackfruit peel adsorben to Cr(NO3)3 solution
2.5 ppm. The variables of the research are activation time, contact time between the
adsorben and the solution, and pH of the solution. The sample was analyzed by
Absorption Spectrophotometre (AAS) to show the Cr (III) concentration on the solutions.
The optimum condition was reached at 5 pH level with 50 minute of contact times and 24
hours activation time. The analysis results that the adsorption follows Langmuir Isoterm
showed by the determinant value (R
2
). The maximum power adsorption is 1.227 mg/gram
adsorben

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Maddoz,

,

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and

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Prentice

Hall

Inc,

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of Jackfruit

Peel Carbon (JPC) for

Adsorption of RhodamineB,

a Basic

Dye from Aqueous Solution”. Indian

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of Chemical

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E.U.

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, “Binding Nickel

and Zinc Ions with Activated Carbon Prepared

from

Sugar Cane

Fibre

(Saccharum

officinarum

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of

Applied

Sciences

DOI: https://doi.org/10.20961/equilibrium.v1i1.40067

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