Efficient removal of tetracycline, ciprofloxacin, and amoxicillin by novel magnetic chitosan/microalgae biocomposites

Mirizadeh, Shabnam; Solisio, Carlo; Converti, Attilio; Casazza, Alessandro Alberto

doi:10.1016/j.seppur.2023.125115

Cited by 28 publications

(8 citation statements)

References 44 publications

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“…This table shows the synthesized adsorbent's activity in removing amoxicillin (AMO) and naproxen (NAP) compared to other adsorbents. [6,63,[72][73][74][75] The removal percentage of AMO and NAP using Agar/chitosan/SiO 2 and Agar/chitosan were higher than some adsorbents, except for the adsorbent of reference 6. The most important reasons that can increase the removal efficiency of both study adsorbents include the specific contact surface of agar and chitosan, which can increase the specific surface area of this adsorbent due to the effect of silicon oxide nanoparticles, which can increase the removal efficiency of both adsorbents, which are considered as The pollutant under study is AMO and NAP.…”

Section: Comparison Of Adsorption Capacity Of Various Adsorbents For ...mentioning

confidence: 85%

“…The maximum absorption peak appeared for naproxen 330 nm [62] and amoxicillin 272 nm. [63] The amount of 0.04 g of the mentioned pharmaceutical was selected and reached a volume of 1000 mL. Then a certain volume of the above solution was selected and brought to different concentrations.…”

Section: Pharmaceutical Adsorption Experimentsmentioning

confidence: 99%

“…MIL-53(Al) pH = 7.5, T = 303 K, t = 120 min AMO: q e = 758.5 mg/g [6] Organobentonite pH = 7, T = 303 K, t = 120 min AMO: q e = 45.07 mg/g [72] Magnetite/chitosan/Chlorella vulgaris (MCC) Magnetite/chitosan/Arthrospira platensis (MCA) pH = 5-6, T = 298 K, t = 4 h AMO: q e = 125.6 mg/g AMO: qe = 135.4 mg/g [63] CoFe2O4 nanoparticles pH = 7, T = 298 K, t = 120 min NAP: q e = 45.07 mg/g [73] UiO-66-NH2,(Zr-MOF) pH = 6, T = 298 K, t = 12 h NAP: q e = 45.07 mg/g [74] Cu-doped MIL-101(Fe) pH = 9, t = 3 h NAP = 96.9 % (q e = 396.5 mg/g) [75] Agar/Chitosan pH = 6, t = 25 °C, time = 40 min AMO � 64.95 %, (q e � 640 mg/g) NAP � 99 % (q e � 990 mg/g)…”

Section: Adsorbents Condition Adsorption Capacity or Removal Referencesmentioning

confidence: 99%

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Synthesis of Nanocomposite Based Polysaccharide and Performance Evaluation for the Removal of Various Drug from Pharmaceuticals Wastewater

Moradi,

Mhdavi,

Sedaghat

2024

ChemistrySelect

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The present study performed synthesis and characterization nanocomposite based polysaccharide Chitosan/Agar and Chitosan/Agar/SiO2 nanoparticles as adsorbents for remove amoxicillin and naproxen as the pharmaceuticals from an aqueous solution. The structure and morphology of nanocomposite were investigated using X‐ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X‐ray spectroscopy (EDX), Fourier‐transform infrared spectroscopy (FTIR), Transmission electron microscopy (TEM), Field Emission Scanning Electron Microscopes (FE‐SEM) and Dynamic light scattering (DLS). The removal performance of the Chitosan/Agar and Chitosan/Agar/SiO2 nanoparticles nanocomposite as adsorbent for removing amoxicillin and naproxen as sample of pharmaceutical industry effluents in aqueous solutions was investigated under different influence factors, including contact time, initial concentration, pH conditions and temperature. The maximum adsorption removal for amoxicillin with Agar/Chitosan and Agar/Chitosan/SiO2 nanocomposite at initial concentrations of 20 mg/l was 97.85 % and 87.9 %, respectively. With increasing temperature from 10 to 30°C, the removal efficiency for naproxen for both adsorbents is 99 %. The prepared nanocomposites showed good performance in adsorbing naproxen and amoxicillin. The maximum adsorption efficiency of nanocomposite was 99 % and 91 % for naproxen and amoxicillin, respectively. The optimum condition for pharmaceuticals removal by the nanocomposite was initial concentration: 20 mg/l, adsorbent dose: 0.05 g, contact time: 10 min, and pH=6.

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Section: Comparison Of Adsorption Capacity Of Various Adsorbents For ...mentioning

confidence: 85%

Section: Pharmaceutical Adsorption Experimentsmentioning

confidence: 99%

Section: Adsorbents Condition Adsorption Capacity or Removal Referencesmentioning

confidence: 99%

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Synthesis of Nanocomposite Based Polysaccharide and Performance Evaluation for the Removal of Various Drug from Pharmaceuticals Wastewater

Moradi,

Mhdavi,

Sedaghat

2024

ChemistrySelect

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“…This disparity underscores how glutaraldehyde not only hampers drug adsorption but also complicates the synthesis of chitosan beads by introducing additional steps. Mirizadeh et al (2024) investigated the removal of amoxicillin by magnetic chitosan/microalgae biocomposites, achieving optimal results between pH 5 and 6, obtaining a maximum adsorption capacity of 125.6 mg g − 1 . Yeo et al ( 2023) investigated the adsorption of amoxicillin using a bentonite-chitosan composite and observed a maximum capacity of 66 mg g − 1 at 50°C.…”

Section: Effect Of Temperaturementioning

confidence: 99%

Adsorption of amoxicillin by chitosan and alginate biopolymers composite beads.

Pinheiro,

Tokura,

Germano

et al. 2024

Preprint

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Amoxicillin is one of the most used antibiotics worldwide, and due to incomplete metabolism in the human body or inadequate disposal, it has been detected in the receiving water bodies. One of the major concerns is the promotion of antibiotic resistance, as well as its toxicity to aquatic organisms such as fish, invertebrates, and algae, and its ability to disrupt the natural microbial communities in water bodies. Moreover, water and wastewater treatment plants struggle to effectively treat water contaminated with amoxicillin. Consequently, new processes need to be explored to complement traditional water and wastewater treatments. Adsorption, being a relatively economical and simple technique, appears promising for this purpose. Numerous adsorbents are found in the literature to adsorb drugs, however, the fabrication of all these adsorbents involves various complex steps and substances when compared to the chitosan and alginate beads. Therefore, the objective of this study was to assess the adsorption of amoxicillin on chitosan and alginate beads. The optimal pH was found to be 4 for both beads. The kinetics study indicates that external diffusion governs adsorption for alginate, while internal diffusion governs adsorption for chitosan. Thermodynamic parameters demonstrated that adsorption is a spontaneous and endothermic process.

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“…Consequences for human health: antibiotics in wastewater have the potential to pollute sources of drinking water, exposing people unintentionally. 12,13 Long-term low-dose antibiotic exposure may have other unidentified health impacts in addition to contributing to the development of antibiotic-resistant diseases. Environmental persistence: some antibiotics have the potential to linger in the environment for lengthy periods of time, posing dangers to ecosystems and human populations alike.…”

Section: Introductionmentioning

confidence: 99%

Tailoring magnetic Sn-MOFs for efficient amoxicillin antibiotic removal through process optimization

Alshammari,

Alanazi,

Ahmad

et al. 2024

RSC Adv.

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Efficient removal of tetracycline, ciprofloxacin, and amoxicillin by novel magnetic chitosan/microalgae biocomposites

Cited by 28 publications

References 44 publications

Synthesis of Nanocomposite Based Polysaccharide and Performance Evaluation for the Removal of Various Drug from Pharmaceuticals Wastewater

Synthesis of Nanocomposite Based Polysaccharide and Performance Evaluation for the Removal of Various Drug from Pharmaceuticals Wastewater

Adsorption of amoxicillin by chitosan and alginate biopolymers composite beads.

Tailoring magnetic Sn-MOFs for efficient amoxicillin antibiotic removal through process optimization

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