Innovative nanopolymers for adsorption of pollutants from water DOI
S. S. Mortazavi, Mika Sillanpää, Debajyoti Bose

et al.

International Journal of Environmental & Analytical Chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 28

Published: Nov. 17, 2024

The release of contaminants into water poses a significant threat to global clean availability. This contaminated contains toxic pollutants like heavy metals, posing risks human health and the environment. To address this issue, treating wastewater before discharge is crucial. Conventional methods, such as ion exchange, have disadvantages incomplete removal energy intensity. development innovative techniques adsorption, membrane filtration, electro-catalysis can provide more effective sustainable solutions for treatment, ensuring production various purposes, including agriculture industry. use cost-effective efficient adsorbents has become an appealing approach purification. Recent years seen polymeric materials adsorbents. application nanomaterials synthesis nanopolymer promising method water. study introduces isotherm models, Langmuir, Aranovich, BET, Temkin, Toth, Sips, Dubinin-Radushkevich, Redlich-Peterson, Freundlich, well kinetics equations, pseudo-first-order, Elovich, pseudo-second order, Webber-Morris. review focusses on latest advancements in nanopolymer-based It compares kinetics, isotherms, maximum adsorption capacity removing using nanopolymeric

Language: Английский

Facile and green synthesis of recyclable, environmentally friendly, chemically stable, and cost-effective magnetic nanohybrid adsorbent for tetracycline adsorption DOI Creative Commons
Alireza Nasiri,

Najmeh Golestani,

Saeed Rajabi

et al.

Heliyon, Journal Year: 2024, Volume and Issue: 10(2), P. e24179 - e24179

Published: Jan. 1, 2024

Antibiotic contamination of water sources, particularly tetracycline (TC) contamination, has emerged as one the global issues that needs action. In this research, ZnCoFe2O4@Chitosan (Ch) a magnetic nanohybrid adsorbent was synthesized using microwave-assisted co-precipitation method, and their efficiency for TC adsorption process investigated. FESEM (Field Emission Scanning Electron Microscope), EDX (Energy Dispersive X-ray), Mapping line Scan, XRD (X-Ray Diffraction), FTIR (Fourier Transform Infrared Spectrometer), VSM (Vibrating Sample Magnetometer), Thermogravimetric analysis (TGA) BET (Brunauer Emmett Teller) techniques were used to check verify its physical chemical properties. The removal via from synthetic real wastewater samples factors determining process, comprising concentration (5–30 mg/L), dosage (0.7–2 g/L), contact time (2–45 min), pH (3–11), evaluated. effectiveness sample 93 % 80 %, respectively, under ideal parameters 3, 1 g/L, initial 5 mg/L, 30 min. According kinetic equilibrium studies, by ZnCoFe2O4@Ch follows pseudo-second-order kinetics Freundlich isotherm. Additionally, it determined through thermodynamic data exothermic is spontaneous followed decrease in disorder (ΔH = −15.16 kJ/mol, ΔS −28.69 ΔG −6.62 kJ/mol). After five cycles recovery regeneration, nanocomposite able remove 65 pollutant had good stability. results showed nano-adsorbent novel with high capacity can be utilized eliminate pharmaceutical contaminants aqueous solutions.

Language: Английский

Citations

53
Metronidazole adsorption by bio-synthesized silver-zinc ferrite nanoadsorbent in presence of chitosan from aqueous media: response surface methodology DOI Creative Commons
Saeed Rajabi, Zahra Derakhshan, Majid Hashemi

et al.

Applied Water Science, Journal Year: 2024, Volume and Issue: 14(5)

Published: April 9, 2024

Abstract A novel magnetic biocomposite adsorbent, denoted as AgZnFe 2 O 4 @Ch, was utilized for the degradation of Metronidazole (MNZ) from water. Various analytical techniques, including vibrating sample magnetometer (VSM), X-ray diffraction (XRD), Brunauer–Emmett–Teller, Fourier transform infrared spectroscopy, and field emission scanning electron microscopy (FESEM), were applied to investigate characteristics adsorbent. XRD examination confirmed formation spinel ferrites phases. FESEM assessment indicated a notable reduction in aggregation. The ferromagnetic character adsorbent well demonstrated by VSM analysis. saturation magnetization value straightforward separating outside fields 14.64 emu/g. An modeling approach used evaluate analyze impacts factors MNZ initial concentration, temperature, contact time, dosage, pH. Optimized conditions involved an dosage 0.9 g/L, pH 7, concentration 10 mg/L, time 50 min, resulting peak adsorption efficiency 65.53% under favorable circumstances. good degree fit achieved with linear model. experimental equilibrium data fitting Langmuir, Freundlich, Temkin isotherm models demonstrates that Langmuir model effective appropriate evaluating adsorption. Intraparticle kinetic also shown be better suitable characterizing onto thermodynamic analysis process @Ch characterized exothermicity lacked spontaneity.

Language: Английский

Citations

15
Advances in three-dimensional electrochemical degradation: A comprehensive review on pharmaceutical pollutants removal from aqueous solution DOI
Fatemeh Rahimi, Alireza Nasiri, Majid Hashemi

et al.

Chemosphere, Journal Year: 2024, Volume and Issue: 362, P. 142620 - 142620

Published: June 14, 2024

Language: Английский

Citations

12
Synthesis and characterization of a β-cyclodextrin-MOF-based porous hydrogel for efficient adsorption of Au3+, Ag+, and Pb2+ ions DOI
Jie Jia, Jingling Zhu, Leiming Guo

et al.

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 348, P. 127664 - 127664

Published: April 24, 2024

Language: Английский

Citations

10
Synthesis and characterization of CuCoFe2O4@GA/AC as a bio-based matrix magnetic nano-heterogeneous photocatalyst for ceftriaxone degradation from aqueous media DOI Creative Commons

Khadijeh Azarshab,

Majid Hashemi, Alireza Nasiri

et al.

Applied Water Science, Journal Year: 2024, Volume and Issue: 14(9)

Published: Aug. 13, 2024

Emerging contaminants such as ceftriaxone are a significant issue in the environment. They have led to series of ecological, environmental, and health issues, it is urgent find green secure method remove antibiotics from water effectively. In this research, CuCoFe2O4@Gum Arabic (GA)/Activated Carbon (AC) an innovative bio-based matrix magnetic nanocatalyst was synthesized for efficient degradation aqueous media. The structure CuCoFe2O4@GA/AC characterized via FESEM, EDS, Mapping, XRD, FTIR, VSM, DRS analyses. structural analysis catalyst revealed its synthesis at nanometer scale (40–50 nm), exhibiting high strength (Ms: 5.38 emu/g) favorable optical properties with bandgap 3.6 eV. Under optimized conditions, including pH 5, 60 min irradiation time, 0.24 g/L photocatalyst dose, concentration 5 mg/L, removal efficiency synthetic real samples 94.43% 62.5%, respectively. photocatalytic process followed pseudo-first-order Langmuir–Hinshelwood kinetic models. Furthermore, mechanism indicated prominent role superoxide radical. had recovery capability chemical stability. by showcased remarkable efficiency, indicating potential utility treatment wastewater contaminated antibiotics.

Language: Английский

Citations

10
Effective microwave regeneration of natural sepiolite and montmorillonite as adsorbents for tetracycline removal and mechanism insight DOI

H. Zhou,

Hanfei Zhai,

Ying Yang

et al.

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 348, P. 127767 - 127767

Published: May 1, 2024

Language: Английский

Citations

7
Influence of inevitable iron precursor anions on MIL-100(Fe) structure and its La(Ⅲ) adsorption performance DOI
Chunshan Wu, Lin Yang,

Tingjiao Liu

et al.

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: 353, P. 128458 - 128458

Published: June 19, 2024

Language: Английский

Citations

4
Peroxydisulfate activation by synergized modified AgCuFe2O4@GO nanoparticle electrode with anchored MnO2 in cefixime three-dimensional electrochemical degradation: Optimization and mechanisms DOI
M. Hashemi,

Sahar Abolghasemi,

Fatemeh Rahimi

et al.

Journal of Environmental Management, Journal Year: 2025, Volume and Issue: 373, P. 123978 - 123978

Published: Jan. 1, 2025

Language: Английский

Citations

0
Insight into the mechanism and effect of the Gleditsia sinensis peel-derived biochar/FexOy composites as an effective and recyclable absorbent for wastewater DOI

Chang Gao,

Junlong Haox,

Wenrong Che

et al.

Chemical Engineering Science, Journal Year: 2025, Volume and Issue: unknown, P. 121217 - 121217

Published: Jan. 1, 2025

Language: Английский

Citations

0
Magnetic nanocomposites: innovative adsorbents for antibiotics removal from aqueous environments–a narrative review DOI Creative Commons

Sahar Abolghasemi,

Alireza Nasiri, Majid Hashemi

et al.

Applied Water Science, Journal Year: 2025, Volume and Issue: 15(2)

Published: Jan. 25, 2025

Abstract Pharmaceutical pollutants represent a significant class of industrial contaminants known for their persistence and adverse effects on the environment, posing substantial concern global ecosystems. Addressing removal these has become imperative in contemporary environmental management strategies. Among various remediation techniques, adsorption process stands out as an effective method treating diverse wastewater streams. In this context, utilization adsorbents plays pivotal role facilitating pharmaceutical from aquatic environments. This review aims to explore efficacy magnetic nanocomposites removing water matrices through process. The findings underscore successful application endowed with enhanced properties eliminating aqueous settings. Notably, advancements physical chemical characteristics have been shown significantly augment efficiency during Key attributes contributing effectiveness include tailored functional groups, large specific surface area, robust strength, thermal stability. These features endow several advantages, including high efficiency, reduced adsorbent dosage requirements, ease accessibility reusability, shortened durations, rapid kinetics. emerges promising approach purification due its notable advantages. technique demonstrates exceptional contaminants, offering swift within short timeframes. Importantly, implementation treatment processes carries minimal impact, aligning sustainability goals. conclusion, holds promise viable strategy addressing pollutant contamination Continued research efforts aimed at refining synthesis nanomaterials are essential advancing ensuring sustainable practices face growing challenges.

Language: Английский

Citations

0