The purpose of this study was to characterize and measure the ability of biochar from ketapang fruit shells to adsorb Naphthol Yellow S. The measurement results of the Fourier Transform Infrared (FTIR) spectrophotometer show that the amine, carbonyl, and hydroxyl groups are a parent in the biochar as evidenced by the presence of C-O bonds at 1190,08 cm−1, C=O at 1421,54 cm−1, and N-H at 1581,63 cm−1 which has the potential to be used as adsorbent. Pore analysis on biochar carbonization results of 500 °C with SEM showed a pore size of 53.7 μm with a magnification of 5000 times and levels of C=87.85% to 93.81%, O=6.19% to 12.15%. The optimum adsorption of Naphthol Yellow S dye on biochar weight variations was obtained at 0.1 gram of biochar weight with an adsorption percentage of 47.875%, for variations in contact time of biochar obtained at 60 minutes contact time with an adsorption percentage of 66.21% and follow the model of the Freundlich isotherm equation with a linear coefficient value of (R2) 0.9983.
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2 May 2023
THE 3RD INTERNATIONAL SEMINAR ON SCIENCE AND TECHNOLOGY 2021: The Path of Sustainable Development for a Better Life
8–9 September 2021
Palu, Indonesia
Research Article|
May 02 2023
Preparation of biochar from Ketapang shells (Terminalia catappa l.) for dyes adsorbent to support environmental principles
Mery Napitupulu;
Mery Napitupulu
a)
Chemistry Education Study Program, PMIPA, FKIP Universitas Tadulako
, Palu 94119, Indonesia
a)Corresponding author: [email protected]
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Daud Karel Walanda;
Daud Karel Walanda
Chemistry Education Study Program, PMIPA, FKIP Universitas Tadulako
, Palu 94119, Indonesia
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Nurasyah Dewi Napitupulu;
Nurasyah Dewi Napitupulu
Chemistry Education Study Program, PMIPA, FKIP Universitas Tadulako
, Palu 94119, Indonesia
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Ega Riskiantari
Ega Riskiantari
Chemistry Education Study Program, PMIPA, FKIP Universitas Tadulako
, Palu 94119, Indonesia
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Mery Napitupulu
a)
Daud Karel Walanda
Nurasyah Dewi Napitupulu
Ega Riskiantari
Chemistry Education Study Program, PMIPA, FKIP Universitas Tadulako
, Palu 94119, Indonesia
a)Corresponding author: [email protected]
AIP Conf. Proc. 2719, 030033 (2023)
Citation
Mery Napitupulu, Daud Karel Walanda, Nurasyah Dewi Napitupulu, Ega Riskiantari; Preparation of biochar from Ketapang shells (Terminalia catappa l.) for dyes adsorbent to support environmental principles. AIP Conf. Proc. 2 May 2023; 2719 (1): 030033. https://doi.org/10.1063/5.0133320
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