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Green synthesis of palm oil mill effluent-based graphenic adsorbent for the treatment of dye-contaminated wastewater

  • Appropriate Technologies to Combat Water Pollution
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Abstract

Textile wastewater contains methylene blue (MB), a major coloring agent in textile industry. Activated carbon (AC) is the most widely used adsorbent in removing dyes from industrial wastewater. However, high production cost of AC is the major obstacle for its wide application in dye wastewater treatment. In this study, a sustainable approach in synthesizing graphenic adsorbent from palm oil mill effluent (POME), a potential carbonaceous source, has been explored. This new development in adsorption technique is considered as green synthesis as it does not require any binder during the synthesis process, and at the same time, it helps to solve the bottleneck of palm oil industry as POME is the main cause contributed to Malaysia’s water pollution problem. The synthesized GSC was characterized through XRD, FESEM, and EDX. The adsorption performance of the synthesized GSC was evaluated by adsorption of MB. The effect of initial concentration of synthetic MB solution (1–20 mg/L) and weight of GSC (5–20 g) were investigated. A remarkable change in color of synthetic MB solution from blue to crystal clear was observed at the end of adsorption study. High efficiency of the synthesized GSC for dye-contaminated wastewater treatment is concluded.

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Funding

The authors wish to gratefully acknowledge the funding for this work by Dana Penyelidikan Strategik (KRA-2017-016) and Geran Universiti Penyelidikan (GUP-2017-098).

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Correspondence to Yeit Haan Teow.

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Responsible editor: Guilherme L. Dotto

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Teow, Y.H., Nordin, N.I. & Mohammad, A.W. Green synthesis of palm oil mill effluent-based graphenic adsorbent for the treatment of dye-contaminated wastewater. Environ Sci Pollut Res 26, 33747–33757 (2019). https://doi.org/10.1007/s11356-018-2189-6

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  • DOI: https://doi.org/10.1007/s11356-018-2189-6

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