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Removal Efficiency and Adsorption Kinetics of Methyl Orange from Wastewater by Commercial Activated Carbon

Author

Listed:
  • Gabriel Valentin Serban

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania
    These authors contributed equally to this work.)

  • Vasile Ion Iancu

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania)

  • Cristina Dinu

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania)

  • Anda Tenea

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania)

  • Nicoleta Vasilache

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania)

  • Ionut Cristea

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania)

  • Marcela Niculescu

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania)

  • Ioana Ionescu

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania)

  • Florentina Laura Chiriac

    (National Research and Development Institute for Industrial Ecology—ECOIND, Drumul Podu Dambovitei Street 57–73, 060652 Bucharest, Romania
    These authors contributed equally to this work.)

Abstract

This research investigates commercial activated carbon (AC) potential to remove methyl orange (MO) dye removal from aqueous solution using a batch process. The AC material was characterized using FTIR spectroscopy and SEM analysis. The effect of the main operating parameters, such as the pH, adsorbent dosage, contact time, and initial dye concentration, was studied. MO removal could be accomplished within 30 min at a pH value of 3. The calculated maximum MO adsorption capacity onto activated carbon was 129.3 mg/g, while the removal efficiency was 97.8%. Adsorption results were analyzed by studying the Langmuir and Freundlich isotherm models. The MO adsorption data on activated carbon were better explained by the Langmuir isotherm than by the Freundlich isotherm. The pseudo-second-order kinetic model may have had an effect on the MO dye adsorption on AC material. This research showed that the commercial activated carbon can be used as an effective sorbent for MO removal from wastewater sample. Moreover, the AC material has good reusability and practical utilization capacities.

Suggested Citation

  • Gabriel Valentin Serban & Vasile Ion Iancu & Cristina Dinu & Anda Tenea & Nicoleta Vasilache & Ionut Cristea & Marcela Niculescu & Ioana Ionescu & Florentina Laura Chiriac, 2023. "Removal Efficiency and Adsorption Kinetics of Methyl Orange from Wastewater by Commercial Activated Carbon," Sustainability, MDPI, vol. 15(17), pages 1-17, August.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:17:p:12939-:d:1226755
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    Cited by:

    1. Krzysztof Mazurek & Sebastian Drużyński & Urszula Kiełkowska & Adriana Wróbel-Kaszanek & Bartłomiej Igliński & Marcin Cichosz, 2024. "The Application of Pyrolysis Biochar Obtained from Waste Rapeseed Cake to Remove Copper from Industrial Wastewater: An Overview," Energies, MDPI, vol. 17(2), pages 1-16, January.

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