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Green Microalgae Scenedesmus Obliquus Utilization for the Adsorptive Removal of Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) from Water Samples

Author

Listed:
  • Andreia Silva

    (REQUIMTE/LAQV, Instituto Superior de Engenharia Do Porto, Politécnico Do Porto, Rua Dr. António Bernardino de Almeida 431, 4200-072 Porto, Portugal)

  • Ricardo N. Coimbra

    (Department of Environment and Planning, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal)

  • Carla Escapa

    (Department of Applied Chemistry and Physics, Institute of Environment, Natural Resources and Biodiversity (IMARENABIO), Universidad de León, 24071 León, Spain)

  • Sónia A. Figueiredo

    (REQUIMTE/LAQV, Instituto Superior de Engenharia Do Porto, Politécnico Do Porto, Rua Dr. António Bernardino de Almeida 431, 4200-072 Porto, Portugal)

  • Olga M. Freitas

    (REQUIMTE/LAQV, Instituto Superior de Engenharia Do Porto, Politécnico Do Porto, Rua Dr. António Bernardino de Almeida 431, 4200-072 Porto, Portugal)

  • Marta Otero

    (Department of Environment and Planning, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
    Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal)

Abstract

In view of the valorisation of the green microalga Scenedesmus obliquus biomass, it was used for the biosorption of two nonsteroidal anti-inflammatory drugs, namely salicylic acid and ibuprofen, from water. Microalgae biomass was characterized, namely by the determination of the point of zero charge (pH PZC ), by Fourier transform infrared (FT-IR) analysis, simultaneous thermal analysis (STA) and scanning electron microscopy with energy dispersive spectroscopy (SEM/EDS). Kinetic and equilibrium batch experiments were carried out and results were found to fit the pseudo-second order equation and the Langmuir isotherm model, respectively. The Langmuir maximum capacity determined for salicylic acid (63 mg g −1 ) was larger than for ibuprofen (12 mg g −1 ), which was also verified for a commercial activated carbon used as reference (with capacities of 250 and 147 mg g −1 , respectively). For both pharmaceuticals, the determination of thermodynamic parameters allowed us to infer that adsorption onto microalgae biomass was spontaneous, favourable and exothermic. Furthermore, based on the biomass characterization after adsorption and energy associated with the process, it was deduced that the removal of salicylic acid and ibuprofen by Scenedesmus obliquus biomass occurred by physical interaction.

Suggested Citation

  • Andreia Silva & Ricardo N. Coimbra & Carla Escapa & Sónia A. Figueiredo & Olga M. Freitas & Marta Otero, 2020. "Green Microalgae Scenedesmus Obliquus Utilization for the Adsorptive Removal of Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) from Water Samples," IJERPH, MDPI, vol. 17(10), pages 1-24, May.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:10:p:3707-:d:362422
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    References listed on IDEAS

    as
    1. Ricardo N. Coimbra & Carla Escapa & Marta Otero, 2019. "Comparative Thermogravimetric Assessment on the Combustion of Coal, Microalgae Biomass and Their Blend," Energies, MDPI, vol. 12(15), pages 1-22, August.
    2. Ferreira, A.F. & Soares Dias, A.P. & Silva, C.M. & Costa, M., 2015. "Evaluation of thermochemical properties of raw and extracted microalgae," Energy, Elsevier, vol. 92(P3), pages 365-372.
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    Cited by:

    1. Andreia D. M. Silva & Diana F. Fernandes & Sónia A. Figueiredo & Olga M. Freitas & Cristina Delerue-Matos, 2022. "Fluoxetine and Nutrients Removal from Aqueous Solutions by Phycoremediation," IJERPH, MDPI, vol. 19(10), pages 1-24, May.
    2. Henry Rodríguez-Serin & Auria Gamez-Jara & Magaly De La Cruz-Noriega & Segundo Rojas-Flores & Magda Rodriguez-Yupanqui & Moises Gallozzo Cardenas & José Cruz-Monzon, 2022. "Literature Review: Evaluation of Drug Removal Techniques in Municipal and Hospital Wastewater," IJERPH, MDPI, vol. 19(20), pages 1-24, October.
    3. Andreia D. M. Silva & Juliana Sousa & Malin Hultberg & Sónia A. Figueiredo & Olga M. Freitas & Cristina Delerue-Matos, 2022. "Fluoxetine Removal from Aqueous Solutions Using a Lignocellulosic Substrate Colonized by the White-Rot Fungus Pleurotus ostreatus," IJERPH, MDPI, vol. 19(5), pages 1-16, February.
    4. Raquel Seoane & Sergio Santaeufemia & Julio Abalde & Enrique Torres, 2022. "Efficient Removal of Methylene Blue Using Living Biomass of the Microalga Chlamydomonas moewusii : Kinetics and Equilibrium Studies," IJERPH, MDPI, vol. 19(5), pages 1-16, February.

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