Enhanced removal of naproxen from wastewater using silica magnetic nanoparticles decorated onto graphene oxide; parametric and equilibrium study

Nodeh, Mohammad Kazem Mohammadi; Radfard, Morteza; Zardari, Liaquat Ali; Nodeh, Hamid Rashidi

doi:10.1080/01496395.2018.1457054

Cited by 38 publications

(14 citation statements)

References 55 publications

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“…The results showed that naproxen was removed by van der Waals interaction force, electrostatic repulsion force and hydrogen bonding. The adsorption capacity with the above adsorbent at pH = 5 was equal to 31 mg/g and also the maximum removal percentage was 90% [5]. Conducted and et al a study to remove ibuprofen, diclofenac, and naproxen from water using chitosan-modi ed rubber tire residues.…”

Section: Doping Of Magnetic Fe 3 O 4 Nanoparticles To Go Improves Permentioning

confidence: 99%

“…Also, according to the reports of the US Food and Pharmaceutical Administration (FDA), the concentration of ingredients in pharmaceutical released into the environment is about 0.1 µg/l [4]. Naproxen is a non-steroidal antiin ammatory pharmaceutical that does not contain corticosteroids, which block the production of prostaglandins, which are responsible for causing pain and in ammation in the affected area [5,6]. Amoxicillin, a component of the antibiotic β-lactam, binds to the penicillin-binding protein (PBP) to inhibit trans peptidases and inhibit the production of bacterial cell wall peptidoglycans, thereby destroying the bacterial cell wall.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and Characterization of Chitosan/Agar/SiO2 Nano Hydrogels For Removal of Amoxicillin and of Naproxen From Pharmaceutical Contaminants

Moradi¹,

Mhdavi²,

Sedaghat³

2021

Preprint

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Today, environmental pollutants pose a threat to human societies and all living organisms, which is why they have attracted the attention of environmental researchers. In this study, in order to remove pharmaceutical contaminants Naproxen and Amoxicillin from aqueous media with SiO2 nanoparticles based on Agar and Chitosan was investigated. The study of structural properties, physical and chemical characterization of synthesized nanocomposite was investigated by FTIR, XRD, TEM, FE-SEM, DLS and EDX analyzes. In addition, the role of parameters affecting the removal of pharmaceutical contaminants such as solution pH, contact time, contaminant concentration and temperature were studied. Nanocomposites prepared from Agar and Chitosan showed good performance in absorbing naproxen and amoxicillin. According to the studies performed to remove naproxen, the max adsorption efficiency was obtained at a concentration of 20 mg/l with an absorbent dose of 0.05 g and a pH of 8 and at an optimum temperature of 25 °C and 99% in 15 min. Also, for amoxicillin with nanocomposite prepared with an initial concentration of 20 mg/l and an adsorbent dose of 0.05 g, a time of 10 min, a temperature of 25 °C and a pH of 8, the max removal efficiency of 91.15% was obtained.

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Section: Doping Of Magnetic Fe 3 O 4 Nanoparticles To Go Improves Permentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Chitosan/Agar/SiO2 Nano Hydrogels For Removal of Amoxicillin and of Naproxen From Pharmaceutical Contaminants

Moradi¹,

Mhdavi²,

Sedaghat³

2021

Preprint

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“…The adsorption efficiency of the prepared activated carbon for removal of cefixime was evaluated in batch experiments. The effects of pH (2)(3)(4)(5)(6)(7)(8)(9)(10)(11), contact time (10-300 min), ionic strength (0-10%), and adsorption isotherms (10-200 mg L −1 ) on the efficiency of the method were studied carefully. The adsorption behavior (isothermal) of the adsorbent was analyzed by adding 50 mg samples of the adsorbent to 20 mL samples of cefixime solution at different concentrations.…”

Section: Adsorption Processmentioning

confidence: 99%

“…Antibiotics as emerging pollutants are a major significant global concern since their widespread use as prescription drugs and their potently bioactive properties render them a direct threat to public health from uncontrolled exposures via contaminated drinking water [1][2][3]. Antibiotics are a large group of medicines including penicillin, cephalosporins (cefixime), fluoroquinolones, aminoglycosides, monobactams, carbapenems, and tetracyclines [4,5].…”

Section: Introductionmentioning

confidence: 99%

Nano-Size Biomass Derived from Pomegranate Peel for Enhanced Removal of Cefixime Antibiotic from Aqueous Media: Kinetic, Equilibrium and Thermodynamic Study

Bidhendi

Poursorkh

Sereshti

et al. 2020

IJERPH

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Nano-sized activated carbon was prepared from pomegranate peel (PG-AC) via NaOH chemical activation and was fully characterized using BET, FT-IR, FE-SEM, EDX, and XRD. The newly synthesized PG-AC was used for cefixime removal from the aqueous phase. The effective parameters on the adsorption process, including solution pH (2–11), salt effect (0–10%), adsorbent dosage (5–50 mg), contact time (5–300 min), and temperature (25–55 °C) were examined. The experimental adsorption equilibrium was in close agreement with the type IV isotherm model set by the International Union of Pure and Applied Chemistry (IUPAC). The adsorption process was evaluated with isotherm, kinetic, and thermodynamic models and it is were well fitted to the Freundlich isotherm (R2 = 0.992) and pseudo-second-order model (R2 = 0.999). The Langmuir isotherm provided a maximum adsorption capacity of 181.81 mg g−1 for cefixime uptake onto PG-AC after 60 min at pH 4. Hence, the isotherm, kinetic and thermodynamic models were indicated for the multilayer sorption followed by the exothermic physical adsorption mechanism.

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“…The adsorbents employed are commonly composed by a magnetic core, usually magnetite (Fe 3 O 4 ), covered by a shell which promoted selectivity in the extraction process and protect the magnetite from degrading. Some solids proposed for Npx analysis includes a shell phase of, carbon (graphene and carbon nanotubes), silica, and polymer [17][18][19][20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Magnetic Solid-Phase Extraction Based on Poly 4-Vinyl Pyridine for HPLC-FLD Analysis of Naproxen in Urine Samples

et al. 2020

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A magnetic solid phase extraction technique followed by liquid chromatography with a fluorescence detector for naproxen analysis in human urine samples was developed. The method includes the extraction of naproxen with a magnetic solid synthetized with magnetite and poly 4-vinylpriridine, followed by the magnetic separation of the solid phase and desorption of the analyte with methanol. Under optimal conditions, the linear range of the calibration curve was 0.05–0.60 μg L−1, with a limit of detection of 0.02 μg L−1. In all cases values of repeatability were lower than 5.0% with recoveries of 99.4 ± 1.3%. Precision and accuracy values are adequate for naproxen (Npx) analysis in urine samples.

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Enhanced removal of naproxen from wastewater using silica magnetic nanoparticles decorated onto graphene oxide; parametric and equilibrium study

Cited by 38 publications

References 55 publications

Synthesis and Characterization of Chitosan/Agar/SiO2 Nano Hydrogels For Removal of Amoxicillin and of Naproxen From Pharmaceutical Contaminants

Synthesis and Characterization of Chitosan/Agar/SiO2 Nano Hydrogels For Removal of Amoxicillin and of Naproxen From Pharmaceutical Contaminants

Nano-Size Biomass Derived from Pomegranate Peel for Enhanced Removal of Cefixime Antibiotic from Aqueous Media: Kinetic, Equilibrium and Thermodynamic Study

Magnetic Solid-Phase Extraction Based on Poly 4-Vinyl Pyridine for HPLC-FLD Analysis of Naproxen in Urine Samples

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