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All Journal Indonesian Journal of Chemistry
La Harimu
Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Halu Oleo, Jl. Kampus Hijau Bumi Tridharma, Anduonou, Kendari 93132, Indonesia
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Journal : Indonesian Journal of Chemistry

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Fabrication of Chitosan/Fe3O4 Nanocomposite as Adsorbent for Reduction Methylene Blue Contents La Harimu; Sri Wahyuni; Nasrudin Nasrudin; Muhamad Jalil Baari; Dian Permana
Indonesian Journal of Chemistry Vol 22, No 3 (2022)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.65430

Abstract

Methylene blue (MB) is a dye in wastewater from textile industries that pollutes the water environment. Reduction of its content is necessary for protecting humans and the surrounding environment. This study fabricated chitosan/Fe3O4 nanocomposite through the mixture of chitosan from crab shell waste and magnetite (Fe3O4) from local sand iron with sodium tripolyphosphate (STPP)-sulfate crosslinker as an adsorbent to reduce methylene blue content. The obtained composite was characterized by Fourier Transform Infrared (FTIR) Spectrophotometer and X-Ray Diffraction (XRD) instrument. The contents of methylene blue before and after applying adsorbent-based nanocomposite were determined using an ultraviolet-visible (UV-Vis) spectrophotometer. FTIR characterization results show that chitosan and chitosan/Fe3O4 nanocomposite had successfully synthesized based on the typical vibrational peaks. The deacetylation degree of chitosan was 69.79%. Fe3O4, and chitosan/Fe3O4 nanocomposite, were confirmed by XRD patterns. The chitosan/Fe3O4 nanocomposite adsorption capacity reached 45.37 mg/g when adsorption occurred with 20 mg adsorbent, pH 9, and contact time of 1.5 h. Hence, the chitosan/Fe3O4 nanocomposite in this study has potency and is applicable to adsorb MB effectively.
Co-Authors Dian Permana Muhamad Jalil Baari Nasrudin Nasrudin