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Mohamed Ibrahim bin Mohamed Tahir
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
Chemical Engineering, Chemistry & Bioengineering Chemistry

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A Potential Approach for Converting Rubber Waste into a Low-Cost Polymeric Adsorbent for Removing Methylene Blue from Aqueous Solutions Muhammad Aliyu; Abdul Halim Abdullah; Mohamed Ibrahim bin Mohamed Tahir
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.69674

Abstract

Exploiting waste materials to make cost-effective adsorbents and waste management methods are gaining more attention. In the current study, rubber wastes derived from dipping tank coagulum (DTC) in the glove manufacturing industry were converted into a novel polymeric-adsorbent via a simple sulfonation reaction with concentrated sulphuric acid and was used for the adsorption of methylene blue (MB) dye from aqueous solutions commonly found in contaminated waters. FT-IR, EDX, FESEM, and BET techniques were used to characterize the rubber waste before and after modification. The highest MB removal efficiency of 99.03% was achieved in the condition of initial concentration, adsorbent dosage, pH, contact time, and temperature were 15 mg/L, 30 mg, pH 7, 300 min, and 25 °C, respectively. The adsorption of MB was analyzed using experimental data fitted in a monolayer isotherms model with a maximum adsorption capacity of 119 mg/g. The kinetic model was revealed to agree with the pseudo-second-order kinetic model. Furthermore, SRW retained 90.45% of the removal percentage after four cycles of the repeated adsorption-desorption process. Conclusively, these findings suggest that rubber waste could be a suitable low-cost adsorbent to remove organic dyes from polluted water.
Co-Authors Abdul Halim Abdullah Muhammad Aliyu