Error analysis of adsorption isotherm models for penicillin G onto magnesium oxide nanoparticles

The adsorption of penicillin G (PC-G) from aqueous solution by magnesium oxide (MgO) nanoparticles has been investigated. This experimental study was conducted in a laboratory scale. The effects of various operating parameters such as pH (3–11), the dosage of MgO nanoparticles (0.3–1.5 g/L), contact...

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Veröffentlicht in:Applied water science 2019-11, Vol.9 (8), p.1-7, Article 190
Hauptverfasser: Rahdar, Somayeh, Rahdar, Abbas, Khodadadi, Mina, Ahmadi, Shahin
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Sprache:eng
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Zusammenfassung:The adsorption of penicillin G (PC-G) from aqueous solution by magnesium oxide (MgO) nanoparticles has been investigated. This experimental study was conducted in a laboratory scale. The effects of various operating parameters such as pH (3–11), the dosage of MgO nanoparticles (0.3–1.5 g/L), contact time (20–150 min), and concentration of PC-G (50–200 mg/L) were studied. The results showed that under optimal conditions of concentration of 50 mg/L, pH 3, MgO nanoparticles dosage of 1.5 g/L and contact time of 60 min, the maximum adsorption capacity ( q m ) of PC-G adsorption on MgO nanoparticles obtained was 25.66 mg/g. The process of penicillin G adsorption on MgO nanoparticles was found to depend on Langmuir (II) and Langmuir (III) adsorption isotherm models. It could be concluded that the MgO nanoparticles can be used for PC-G removal from its aqueous solution.
ISSN:2190-5487
2190-5495
DOI:10.1007/s13201-019-1060-3