Dissertation/Thesis
Προβολή σε EDS

Adsorption Isotherms of PP, PVC, PA6, LDPE, and HDPE Microplastic Particles, and Their Blend on a Hydrophobic Bio-Substrate at Three Temperatures and Two Environments

Λεπτομέρειες βιβλιογραφικής εγγραφής
Τίτλος: Adsorption Isotherms of PP, PVC, PA6, LDPE, and HDPE Microplastic Particles, and Their Blend on a Hydrophobic Bio-Substrate at Three Temperatures and Two Environments
Συγγραφείς: Laura Romero-Zerón, Rheya Rajeev, Denis Rodrigue
Πηγή: Pollutants ; Volume 6 ; Issue 2 ; Pages: 20
Στοιχεία εκδότη: Multidisciplinary Digital Publishing Institute
Έτος έκδοσης: 2026
Συλλογή: MDPI Open Access Publishing
Θεματικοί όροι: adsorption, microplastics, microplastic particles, bio-substrate, cattail, adsorption isotherms, HDPE, LDPE, PA6, PP, PVC, blends, binding environment
Θέμα γεωγραφικό: agris
Περιγραφή: Micro- and nano-plastic pollution caused by the mismanagement of plastics waste is a significant problem worldwide, causing severe impacts in aquatic and terrestrial environments. The purpose of this study was to evaluate the adsorption capacity of a thermally stable and superhydrophobic bio-substrate to remove microplastic particles (MPPs) from aqueous systems. In this work, the adsorption efficiency of cattail fluff towards MPPs from pristine PP, PVC, PA6, LDPE, HDPE, and their blend was evaluated. The effect of temperature (30 °C, 40 °C, and 50 °C) and two binding environments (distilled water and industrial wastewater) on adsorption was determined. Non-linear regressions of seven adsorption isotherm models including Langmuir, Freundlich, Temkin, Dubinin–Radushkevich (D–R), Redlich–Peterson (R–P), Toth, and Sips were applied to fit the experimental data. Error function analysis confirmed that the D–R adsorption isotherm model offers the best fit of the experimental data. The results show that the bio-substrate is very effective in adsorbing MPPs from aqueous systems with adsorption capacities of qe = 3597 mg/g and qe = 2807 mg/g in distilled water and synthetic industrial water, respectively. The composition of the MPPs determines the effect of temperature and binding environment on the adsorption performance of the bio-substrate. Physisorption dynamics for the MPP/bio-substrate system are also provided and discussed. Overall, the hydrophobic bio-substrate is highly effective in removing MPPs from aqueous systems, with the added advantages of low cost, sustainability, and scalability for practical applications.
Τύπος εγγράφου: Thesis
Περιγραφή αρχείου: application/pdf
Γλώσσα: English
Relation: https://dx.doi.org/10.3390/pollutants6020020
DOI: 10.3390/pollutants6020020
Διαθεσιμότητα: https://doi.org/10.3390/pollutants6020020
Rights: https://creativecommons.org/licenses/by/4.0/
Αριθμός Καταχώρησης: edsbas.C822A02
Βάση Δεδομένων: BASE
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  – Url: https://doi.org/10.3390/pollutants6020020#
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  Data: Adsorption Isotherms of PP, PVC, PA6, LDPE, and HDPE Microplastic Particles, and Their Blend on a Hydrophobic Bio-Substrate at Three Temperatures and Two Environments
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  Data: <searchLink fieldCode="AR" term="%22Laura+Romero-Zerón%22">Laura Romero-Zerón</searchLink><br /><searchLink fieldCode="AR" term="%22Rheya+Rajeev%22">Rheya Rajeev</searchLink><br /><searchLink fieldCode="AR" term="%22Denis+Rodrigue%22">Denis Rodrigue</searchLink>
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  Data: Pollutants ; Volume 6 ; Issue 2 ; Pages: 20
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  Data: Micro- and nano-plastic pollution caused by the mismanagement of plastics waste is a significant problem worldwide, causing severe impacts in aquatic and terrestrial environments. The purpose of this study was to evaluate the adsorption capacity of a thermally stable and superhydrophobic bio-substrate to remove microplastic particles (MPPs) from aqueous systems. In this work, the adsorption efficiency of cattail fluff towards MPPs from pristine PP, PVC, PA6, LDPE, HDPE, and their blend was evaluated. The effect of temperature (30 °C, 40 °C, and 50 °C) and two binding environments (distilled water and industrial wastewater) on adsorption was determined. Non-linear regressions of seven adsorption isotherm models including Langmuir, Freundlich, Temkin, Dubinin–Radushkevich (D–R), Redlich–Peterson (R–P), Toth, and Sips were applied to fit the experimental data. Error function analysis confirmed that the D–R adsorption isotherm model offers the best fit of the experimental data. The results show that the bio-substrate is very effective in adsorbing MPPs from aqueous systems with adsorption capacities of qe = 3597 mg/g and qe = 2807 mg/g in distilled water and synthetic industrial water, respectively. The composition of the MPPs determines the effect of temperature and binding environment on the adsorption performance of the bio-substrate. Physisorption dynamics for the MPP/bio-substrate system are also provided and discussed. Overall, the hydrophobic bio-substrate is highly effective in removing MPPs from aqueous systems, with the added advantages of low cost, sustainability, and scalability for practical applications.
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        Value: 10.3390/pollutants6020020
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      – SubjectFull: microplastics
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      – TitleFull: Adsorption Isotherms of PP, PVC, PA6, LDPE, and HDPE Microplastic Particles, and Their Blend on a Hydrophobic Bio-Substrate at Three Temperatures and Two Environments
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