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

Construction of microwave/PMS combined dual responsive perovskite-MXene system for antibiotic degradation: Synergistic effects of thermal and non-thermal DOI

Yin Wang,

Naipeng Lin,

Jin Xu

et al.

Applied Surface Science, Journal Year: 2023, Volume and Issue: 639, P. 158263 - 158263

Published: Aug. 14, 2023

Language: Английский

Citations

82
Recent Advances in Advanced Oxidation Processes for Degrading Pharmaceuticals in Wastewater—A Review DOI Open Access

Nur Nabaahah Roslan,

Harry Lik Hock Lau,

Nurul Amanina A. Suhaimi

et al.

Catalysts, Journal Year: 2024, Volume and Issue: 14(3), P. 189 - 189

Published: March 10, 2024

A large variety of pharmaceutical compounds have recently been detected in wastewater and natural water systems. This review highlighted the significance removing compounds, which are considered indispensable emerging contaminants, from Various advanced oxidation processes (AOPs), including UV-H2O2, Fenton photo-Fenton, ozone-based processes, photocatalysis, physical such as sonolysis, microwave, electron beam irradiation, regarded most viable methods to eliminate different categories discussed. All these AOPs exhibit great promising techniques, catalytic degradation process advantages, disadvantages each technique were deliberated. Heterogeneous photocatalysis employing metal oxides, particularly anatase TiO2 nanoparticles catalysts activated by UV light was reviewed terms electron–hole separation, migration charge carriers catalyst surfaces, redox potential carriers. brief overview also emphasized that TiO2-based nanomaterials photocatalysts, a combination other enhanced photocatalytic efficiency. Finally, challenges applying environmental remediation treatments degrade mass spectroscopic analysis biological activity test by-products contaminants resulting summarized.

Language: Английский

Citations

28
A comparative study of adsorption behavior of rifampicin, streptomycin, and ibuprofen contaminants from aqueous solutions onto chitosan: Dynamic interactions, kinetics, diffusions, and mechanisms DOI Creative Commons

Ensan Waatriah E. S. Shahrin,

Nur Alimatul Hakimah Narudin,

Nurulizzatul Ningsheh M. Shahri

et al.

Emerging contaminants, Journal Year: 2022, Volume and Issue: 9(1), P. 100199 - 100199

Published: Dec. 17, 2022

Adsorptive removal and dynamic interaction of three different pharmaceutical pollutants, namely rifampicin (RIF), streptomycin (STM), ibuprofen (IBU) onto chitosan were systematically investigated using a batch adsorption technique at processing parameters. In this study, was derived from mud-crab shells, as an innovative way to use the waste marine foods adsorbents. The kinetics, intraparticle diffusion, mechanism, thermodynamics evaluated analyzed kinetic models, Boyd mass transfer Weber–Morris diffusion Langmuir, Freundlich, Dubinin–Radushkevich, Temkin isotherm Gibbs equation. larger molecules, RIF STM, could be explained by Langmuir model, in contrast, that IBU, which is much smaller molecule, followed Freundlich model. maximum capacity RIF, IBU on estimated 66.91 mg g−1, 11.00 24.21 respectively, are higher compared those variety agricultural wastes, suggesting biopolymer potential practical economical adsorbent remove compounds wastewater. mechanism proposed based vibrational spectroscopic analyses, XRD patterns, DSC thermograms before after process.

Language: Английский

Citations

55
TiO2 nanotube arrays photocatalytic ozonation for the removal of antibiotic ciprofloxacin from the effluent of a domestic wastewater treatment plant: Towards the process upscaling DOI

Vytautas Abromaitis,

O.A.M.A. Oghenetejiro,

Agnė Šulčiūtė

et al.

Journal of Water Process Engineering, Journal Year: 2024, Volume and Issue: 63, P. 105457 - 105457

Published: May 21, 2024

Language: Английский

Citations

10
An insight into the photocatalytic degradation of the antibiotic rifampicin by titanium dioxide nanoparticles in aqueous solution under UV light irradiation DOI

Nurul Amanina A. Suhaimi,

Muhammad Khairul Harisin Umar,

Harry Lik Hock Lau

et al.

Reaction Kinetics Mechanisms and Catalysis, Journal Year: 2024, Volume and Issue: 137(2), P. 1105 - 1123

Published: Jan. 31, 2024

Language: Английский

Citations

8
Dynamics of Diffusion- and Immobilization-Limited Photocatalytic Degradation of Dyes by Metal Oxide Nanoparticles in Binary or Ternary Solutions DOI Open Access

Nurul Amanina A. Suhaimi,

Cristina Pei Ying Kong,

Nurulizzatul Ningsheh M. Shahri

et al.

Catalysts, Journal Year: 2022, Volume and Issue: 12(10), P. 1254 - 1254

Published: Oct. 17, 2022

Photocatalytic degradation employing metal oxides, such as TiO2 nanoparticles, catalysts is an important technique for the removal of synthetic dyes from wastewater under light irradiation. The basic principles photocatalysis dyes, effects intrinsic photoactivity a catalyst, and conventional non-fundamental factors are well established. Recently reported studies in single, binary, ternary solute solutions opened up new perspective on competitive photocatalytic dyes. There has not been review behavior binary or In this regard, current article summarizes methylene, rhodamine B, methyl orange their solutions. This brief overview introduces importance dynamics immobilization reactivity vital roles molecular conformation functional groups diffusion onto catalyst surface, degradation, provides understanding simultaneous processes multiple aqueous systems.

Language: Английский

Citations

30
Hydrogen Bond-Induced Activation of Photocatalytic and Piezophotocatalytic Properties in Calcium Nitrate Doped Electrospun PVDF Fibers DOI Open Access
Farid Orudzhev, Dinara Sobola, Shikhgasan Ramazanov

et al.

Polymers, Journal Year: 2023, Volume and Issue: 15(15), P. 3252 - 3252

Published: July 30, 2023

In this study, polyvinylidene fluoride (PVDF) fibers doped with hydrated calcium nitrate were prepared using electrospinning. The samples analyzed scanning electron microscopy (SEM), X-ray diffraction (XRD), optical spectroscopy, photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR), Raman, and photoluminescence (PL) spectroscopy. results are complementary confirm the presence of chemical hydrogen bonding between polymer dopant. Additionally, there was a significant increase in proportion electroactive polar beta phase from 72 to 86%. It shown that bonds acted as transport pathway for capture by conjugated salt, leading more than three-fold quenching photoluminescence. Furthermore, bandgap composite material narrowed range visible light energies. For first time, it addition salt reduced energy PVDF exciton factor 17.3, initiating photocatalytic activity. nitrate-doped exhibited high activity degradation methylene blue (MB) under both UV (89 44%, respectively). reaction rate increased 2.4 3.3 during piezophotocatalysis. catalysis experiments proved efficiency membrane design mechanisms suggested. This study offers insight into nature piezopolymer composites potential opportunities their use.

Language: Английский

Citations

13
Caffeine and ampicillin degradation by ozonation: Addressing pathways, performance and eco-toxicity DOI
Letícia Reggiane de Carvalho Costa, Júlia Toffoli de Oliveira, Vanessa Jurado-Davila

et al.

Chemical Engineering Science, Journal Year: 2024, Volume and Issue: 288, P. 119817 - 119817

Published: Jan. 28, 2024

Language: Английский

Citations

5
Optimizing ciprofloxacin removal from water using jamun seed (Syzygium cumini) biochar: A sustainable approach for ecological protection DOI Creative Commons
Asha Ripanda, Mwemezi J. Rwiza, Elias C. Nyanza

et al.

HydroResearch, Journal Year: 2024, Volume and Issue: 7, P. 164 - 180

Published: Jan. 1, 2024

Scientific interest in antimicrobial pollutants, such as ciprofloxacin, has increased. Due to spread of antibiotic-resistant bacteria, resistance genes, and their dissemination the environment. Therefore, remediation is necessary ensure ecological sustainability. The current study aimed optimise removal ciprofloxacin from synthetic water using jamun seed (JS) (Syzygium cumini) biochar a response surface methodology (RSM). Result indicates elimination efficiency ranged between 32.46 94.95%, indicating material can be improved used for organics. residual standard error 4.4% were found predicted model, implying that model credible predict future experimental findings. R-squarred value Langmuir model's R2 0.9681 which inclose agreement with Freundlich isotherm, 0.9757. JS could utilized contaminated wastewater safety

Language: Английский

Citations

5
Removal of Pharmaceuticals and Personal Care Products (PPCPs) by Free Radicals in Advanced Oxidation Processes DOI Open Access
Jiao Jiao, Yihua Li, Qi Song

et al.

Materials, Journal Year: 2022, Volume and Issue: 15(22), P. 8152 - 8152

Published: Nov. 17, 2022

As emerging pollutants, pharmaceutical and personal care products (PPCPs) have received extensive attention due to their high detection frequency (with concentrations ranging from ng/L μg/L) potential risk aqueous environments human health. Advanced oxidation processes (AOPs) are effective techniques for the removal of PPCPs water environments. In AOPs, different types free radicals (HO·, SO4·−, O2·−, etc.) generated decompose into non-toxic small-molecule compounds, finally leading decomposition PPCPs. This review systematically summarizes features various AOPs by radicals. The operation conditions comprehensive performance summarized, reaction mechanisms further revealed. will provide a quick understanding later researchers.

Language: Английский

Citations

19