Abstract
Disposing of dyes without proper treatment can cause water pollution because disposable dyes have a complex composition and are inert, so they must be adequately treated before being discharged into the waters. Using carbon from sugar palm (Arenga pinnata) fiber waste modified with iron oxide can be an alternative functional adsorbent for dye waste. The production of this practical adsorbent starts with carbonation of palm sugar fiber, chemical activation using H2SO4, incipient wetness impregnation with Fe(NO3)3.9H2O and ends with calcination at various temperatures of 200 °C, 300 °C; and 400 °C for 2 hours. The resulting carbon adsorbent material is characterized using FTIR (Fourier Transform Infrared), XRD (X-Ray Diffraction), and SEM (Structural Equation Modeling) analysis. In addition, the absorption capacity of the adsorbent for the dye waste is tested using the UV-VIS (Ultraviolet-Visible) instruments.
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