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Balatif, Ali Nur Muhammad Zaidin
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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Utilization of Molasses Waste as Activated Carbon for Adsorption of Rhodamine B from Synthetic Waste Balatif, Ali Nur Muhammad Zaidin; Muhammad, Muhammad; Mulyawan, Rizka
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 4 No. 1 (2024): March 2024
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v4i1.14673

Abstract

The utilization of molasses waste as Rhodamine B adsorbent has been investigated by studying adsorption isotherm and adsorption kinetics. The sample used is a variation of the concentration of Rhodamine B 10, 25, and 50 mg/L for kinetics adsorption and 50 mg/L, 100 mg/L, 150 mg/L, 200 mg/L, and 250 mg/L for isotherm adsorption. Kinetic analysis adsorption being tested by pseudo-first-order and pseudo-second-order rate equation, as for the equilibrium equation being tested by Langmuir and Freundlich adsorption isotherms. Study shows that Langmuir equation model and pseudo-second-order are the most suitable to be applied. The adsorption constant is obtained of 1.1664 L/g and qmax of 221.8279 mg/g in Langmuir Equation. Whereas for pseudo second order equations obtained values of qe, exp and qe, cal which are slightly different. The qe, cal values obtained were 8.142 mg/g, 23.141 mg/g, and 53.895 mg/g for various concentrations.  K value is obtained with a range of 0.001754-0.000294 and a value of R2 with a range of 0.8249-0.995 for various concentration. Intraparticle diffusion in this study is not the only rate control measure due to the plot linear at each concentration does not cross the origin.
Co-Authors Muhammad Muhammad Mulyawan, Rizka