Fabrication and characterisation of B-ZnO nanoparticles for photodegradation of ciprofloxacin antibiotic and textile dyes DOI

Rupna Akther Putul,

Shahriar Atik Fahim,

Shah Md. Masum

et al.

International Journal of Environmental & Analytical Chemistry, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 20

Published: June 4, 2024

The study is centred on the synthesis of B-ZnO photocatalysts via a straightforward mechanochemical combustion method using various weight percentages B. synthesised were characterised by XRD, FTIR, FESEM, TEM, XPS, UV-DRS, and BET. Biopersistent ciprofloxacin (CIP) degradation efficiency was investigated with B-ZnO. Among compositions, 4%B-ZnO exhibited highest photocatalytic in degrading CIP under both natural sunlight UV-C. excellent catalytic activity attributed to increased surface area 4% determined through BET analysis. Under optimised conditions (CIP: 10 mg/L, pH: 6.3, photocatalyst dose: 0.4 g/L), photodegradation 92.05% over only 60 min irradiation 90.95% 80 UV-C irradiation. products no antibacterial against random soil bacteria. followed pseudo-first-order kinetics, rate constant 0.023 min−1. Scavenger tests implied •O2− radicals' involvement photodegradation. mineralisation 48.53% 3 h observed. After undergoing four cycles exposure, reached 84.89%. Additionally, during irradiation, dyes turquoise blue Congo red 77.91% 98.92%, respectively.

Language: Английский

Ciprofloxacin degradation in microbubble ozonation combined with electro-generated H2O2 process: Operational parameters and oxidation mechanism DOI
Jing Zhang,

Miaoqi Liu,

Bo Pang

et al.

Separation and Purification Technology, Journal Year: 2023, Volume and Issue: 325, P. 124676 - 124676

Published: July 26, 2023

Language: Английский

Citations

12
Cobalt-substituted ZnS QDs: a diluted magnetic semiconductor and efficient photocatalyst DOI Creative Commons
Rahul Sonkar, Nur Jalal Mondal, Samir Thakur

et al.

Nanoscale Advances, Journal Year: 2023, Volume and Issue: 5(24), P. 7042 - 7056

Published: Jan. 1, 2023

Recently, understanding the origin of induced magnetic characteristics in transition metal atom-doped QDs has been a major focus owing to their potential applications area spintronic devices. A detailed experimental and theoretical investigation was conducted understand physical properties Co-doped ZnS containing different weight percentages Co atoms [CoxZn1-xS (x = 0.00, 0.03, 0.06, 0.09)], prepared using chemical co-precipitation techniques. X-ray diffraction studies proved that all formed an extremely pure cubic zinc blende crystallographic phase free contaminants. The validation quantum dot nature samples provided by HRTEM images, BET studies, blue shift absorption spectra. Both obtained FTIR PL spectra at room temperature also confirmed purity QDs. observed weak ferromagnetic behavior doped due presence p-d hybridization between 3d levels Co2+ ions 3p S2- host Hysteresis loops were validated this nature. These results supported theoretically DFT calculations. FDTD simulations explanation for originating from confinement effect undoped dielectric examined properly, it found grain boundaries contributed effectively providing response. sample more dopants low frequencies showed progressive rise polarisation loss. In addition, are efficient photocatalysts. pH-dependent photodegradation test ciprofloxacin (CIP) antibiotic 9% It nanocatalysts sufficient capability degrade CIP around 94.7% solution pH 10 within one hour. Therefore, besides showing photocatalytic effects, act as ideal dilute semiconductors (DMSs) will undoubtedly become excellent candidates microelectronics industry because special ability exhibit spin-dependent magneto-electro-optical find use spin-polarized light-emitting diodes, solid-state lasers, spin-transistor

Language: Английский

Citations

11
Enhanced Photocatalytic Degradation of Ciprofloxacin Antibiotics using Fe3O4-SiO2-EN@Zn-Al Layered Double Hydroxide Nanocomposites under the COVID-19 pandemic DOI Creative Commons
Tariq J. Al‐Musawi,

Parvaneh Bahrami,

Razzagh Rahimpoor

et al.

Results in Engineering, Journal Year: 2024, Volume and Issue: 24, P. 103396 - 103396

Published: Nov. 10, 2024

Language: Английский

Citations

4
Rapid degradation of trace atrazine using ozone microbubbles generated by ceramic membranes: efficiency, mechanism, and toxicity DOI
Qian Han,

Tao Lin,

Jing Du

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 115649 - 115649

Published: Feb. 1, 2025

Language: Английский

Citations

0
Photocatalytic degradation of cephalexin antibiotic on TiO2 nanoparticles: insights from kinetics, thermodynamics, liquid chromatography-mass spectrometry, degradation pathways, and antibacterial activities DOI

Nur Nabaahah Roslan,

Harry Lik Hock Lau,

Nur Dina Reshma Jali

et al.

Reaction Kinetics Mechanisms and Catalysis, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Language: Английский

Citations

0
Floating photocatalyst based on Fe doped TiO2 immobilized on vermiculite for degradation of ciprofloxacine DOI Open Access
Thi Hue Nguyen,

Chu Viet Hai,

Vu Van Tu

et al.

Vietnam Journal of Science and Technology/Science and Technology, Journal Year: 2025, Volume and Issue: 63(1), P. 113 - 123

Published: Feb. 28, 2025

In this work, a floating photocatalyst based on Fe doped TiO2 immobilized vermiculite is synthesised via sol gel process. The samples was characterized with X-ray diffraction, N2 isothermal loops, scanning electron microscopy, high-resolution transmission and ultraviolet – visible absorption to find its crystal phase composition, particle size, porosity, morphology, light ability, respectively. porosity of the support enhanced as natural pretreated by acid HNO3 40% increases specific surface area strongly from 6 323 m2/g. Crystalline anatase combined form photocatalyst. achieved adding 0.6 % mol dopant in structure. total adsorption photocatalytic efficiency ciprofloxacine degradation approximately 60 while that pure only about 40 %. This result showed improvement photocatalysts degrading antibiotics water using

Language: Английский

Citations

0
Degradation of CIP by circulating water-electrode DBD plasma: Degradation performance, key reactive species, and pathway analysis DOI
Xiaomei Yao,

Minghao Xu,

Xian Cheng

et al.

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 132357 - 132357

Published: March 1, 2025

Language: Английский

Citations

0
Impacts of ciprofloxacin on antibiotic resistance genes removals and nucleotide metabolism of bacterial variations in the wastewater treated by the coupling ferrate and sulfite DOI
Bing Wang,

Huaibin Zhang,

Changwei Niu

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116346 - 116346

Published: March 1, 2025

Language: Английский

Citations

0
Electrospun ZIF-67/PVDF composite membranes for efficient ciprofloxacin removal from wastewater DOI Creative Commons
Ping Li,

Xiaolin Yue,

A. Li

et al.

RSC Advances, Journal Year: 2025, Volume and Issue: 15(15), P. 11503 - 11510

Published: Jan. 1, 2025

Ciprofloxacin poses ecological risks due towater accumulation, necessitating efficient treatment methods like adsorption, yet ZIF-67 faces challenge in recyclability. This study addresses issues by preparing ZIF-67/PVDF electrospun membranes.

Language: Английский

Citations

0
Sodium Alginate/Modified Bentonite Composite Bead Adsorptive Removal of Norfloxacin: Static and Dynamic Adsorption DOI Open Access
Jun Zhou, Qianyu Sun

Polymers, Journal Year: 2022, Volume and Issue: 14(19), P. 3984 - 3984

Published: Sept. 23, 2022

The low-cost calcium-based bentonite modified with anionic and cationic surfactants was granulated by cross-linking to sodium alginate (SA) promote the adsorption efficiencies of norfloxacin (NOR). characterization studies illustrated that intercalation cetyltrimethylammonium bromide (CTAB) dodecyl benzene sulfonate (SDBS) successful. modification improved pore structure granular SA/organically composite (GOMBt) exhibited a lamellar some roughness. kinetics isotherms indicated NOR on GOMBt an endothermic process. effects various factors suggested maximum capacity obtained under acidic conditions cations A fixed-bed column employed investigate dynamic characteristics GOMBt. breakthrough time bed height had positive correlation; however, relation flow rate, pH, negative correlation. results showed data fitted Thomas Yoon-Nelson models. internal external diffusion in not rate-limiting step.

Language: Английский

Citations

18