Abstract
Sugarcane bagasse (SCB) was used in this study as a source to produce cellulose (Cell), which was then utilized as filler in modified chitosan (Chi) as a film composite. The purpose of this study was to develop an affordable adsorbent with a high adsorption capability for methylene blue (MB) removal from an aqueous solution, as well as having improved mechanical properties. Based on the result, the tensile strength of chi-cell was increased (from 2.95 kgf/mm2 to 14.50 kgf/mm2 ). Infrared spectra show the intensity of the chi-cell increased in wavenumber 3471 cm-1 , associated with higher abundance of OH groups in the chi-cell which act as active site in the adsorptive removal of methylene blue. According to X-ray diffractogram, the presence of cellulose had no significant effect on the crystallinity of chitosan. TGA data show that cellulose improved the thermal resistance of chi-cell. The adsorption performance of chi-cell reached optimum adsorption after 80 minutes at pH 10. Adsorption was shown to be Langmuir isotherm model dependent (adjusted-R2 =0.998), with Qmax = 3348.14 mg/g.
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