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Adsorption of Methylene Blue from Textile Industrial Wastewater onto Activated Carbon of Parthenium hysterophorus

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Abstract

Many of the basic dyes are non- degradable and toxic pollutants in textile industrial wastewater. Methylene blue (MB) is a cationic dye that exists at a large scale in the textile wastewater which is discharged into the nearby environment without proper management, particularly in developing countries including Ethiopia. Therefore, this study aimed to evaluate the adsorption performance of MB from textile wastewater using locally prepared activated carbon produced from Parthenium hysterophorus stem. The plant samples were activated using H3PO4. The activated carbon was then characterized using proximate analysis, scanning electron microscope and Fourier transform infrared spectroscopy. Batch adsorption studies were conducted to determine the optimum condition for removal of MB from synthetic and real textile industrial wastewater under the effect of pH, contact time, adsorbent dose, and initial MB concentration. The adsorption isotherms were checked using Langmuir and Freundlich isotherms models. The result of the proximate analysis has shown that the activated carbon was composed of 5.7% moisture, 15.3% ash, 18.6% volatile matter and 60.4% fixed carbon. Using an aqueous solution, the maximum MB removal of 94% was achieved at the pH value 11, contact time 100 min, adsorbent dose 2 g in 100 mL and at the initial MB concentration 100 mg/L, whereas the maximum removal of MB from actual textile wastewater was found to be 91%. The Langmuir isotherm model was best fitted with experimental values at R2 was 0.99. Finally, it can be concluded that the activated carbon has a good adsorption capability and promising for MB removal from textile wastewater at an industrial scale.

Article Highlights

  • Wastewater pollution is the major concern of public and environmental health problem.

  • Water reclamation is the newly emerged approach to achieve sustainable development.

  • Methylene blue is a toxic and non-degradable chemical that discharged from the textile industry.

  • Adsorption is one of the promising treatment technology for Methylene blue remediation.

  • Activated carbon that produced from Parthenium hysterophorus is effective for Methylene blue removal from industrial wastewater.

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Acknowledgements

We would like to thank Ethiopian Road Authority (ERA) and Addis Ababa Science and Technology University (AASTU) for the research fund and facilities which was done collaboratively for national capacity building.

Funding

This research work was supported by the Ethiopian Road Authority

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Contributions

JF contributed to experimental design, the inception of the idea, experimental supervision, manuscript writing and editing, and revision, whereas SA and KA mainly contributed to manuscript editing and revision, and in addition, experiment work and data collection were carried out by SA.

Corresponding author

Correspondence to Jemal Fito.

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The authors declared that they have no conflict of interests.

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Fito, J., Abrham, S. & Angassa, K. Adsorption of Methylene Blue from Textile Industrial Wastewater onto Activated Carbon of Parthenium hysterophorus. Int J Environ Res 14, 501–511 (2020). https://doi.org/10.1007/s41742-020-00273-2

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  • DOI: https://doi.org/10.1007/s41742-020-00273-2

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