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Balu S, Ganapathy D, Arya S, Atchudan R, Sundramoorthy AK. Advanced photocatalytic materials based degradation of micropollutants and their use in hydrogen production - a review. RSC Adv 2024; 14:14392-14424. [PMID: 38699688 PMCID: PMC11064126 DOI: 10.1039/d4ra01307g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 04/16/2024] [Indexed: 05/05/2024] Open
Abstract
The use of pharmaceuticals, dyes, and pesticides in modern healthcare and agriculture, along with expanding industrialization, heavily contaminates aquatic environments. This leads to severe carcinogenic implications and critical health issues in living organisms. The photocatalytic methods provide an eco-friendly solution to mitigate the energy crisis and environmental pollution. Sunlight-driven photocatalytic wastewater treatment contributes to hydrogen production and valuable product generation. The removal of contaminants from wastewater through photocatalysis is a highly efficient method for enhancing the ecosystem and plays a crucial role in the dual-functional photocatalysis process. In this review, a wide range of catalysts are discussed, including heterojunction photocatalysts and various hybrid semiconductor photocatalysts like metal oxides, semiconductor adsorbents, and dual semiconductor photocatalysts, which are crucial in this dual function of degradation and green fuel production. The effects of micropollutants in the ecosystem, degradation efficacy of multi-component photocatalysts such as single-component, two-component, three-component, and four-component photocatalysts were discussed. Dual-functional photocatalysis stands out as an energy-efficient and cost-effective method. We have explored the challenges and difficulties associated with dual-functional photocatalysts. Multicomponent photocatalysts demonstrate superior efficiency in degrading pollutants and producing hydrogen compared to their single-component counterparts. Dual-functional photocatalysts, incorporating TiO2, g-C3N4, CeO2, metal organic frameworks (MOFs), layered double hydroxides (LDHs), and carbon quantum dots (CQDs)-based composites, exhibit remarkable performance. The future of synergistic photocatalysis envisions large-scale production facilitate integrating advanced 2D and 3D semiconductor photocatalysts, presenting a promising avenue for sustainable and efficient pollutant degradation and hydrogen production from environmental remediation technologies.
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Affiliation(s)
- Surendar Balu
- Department of Prosthodontics, Centre for Nano-Biosensors, Saveetha Dental College and Hospitals, Saveetha Institute of Medical & Technical Sciences, Saveetha University Chennai 600077 Tamil Nadu India
| | - Dhanraj Ganapathy
- Department of Prosthodontics, Centre for Nano-Biosensors, Saveetha Dental College and Hospitals, Saveetha Institute of Medical & Technical Sciences, Saveetha University Chennai 600077 Tamil Nadu India
| | - Sandeep Arya
- Department of Physics, University of Jammu 180006 Jammu Jammu and Kashmir India
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University 38541 Gyeongsan Republic of Korea
| | - Ashok K Sundramoorthy
- Department of Prosthodontics, Centre for Nano-Biosensors, Saveetha Dental College and Hospitals, Saveetha Institute of Medical & Technical Sciences, Saveetha University Chennai 600077 Tamil Nadu India
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Li X, Li L, Tang L, Mei J, Fu J. Unveiling combined ecotoxicity: Interactions and impacts of engineered nanoparticles and PPCPs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 921:170746. [PMID: 38342466 DOI: 10.1016/j.scitotenv.2024.170746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 01/27/2024] [Accepted: 02/04/2024] [Indexed: 02/13/2024]
Abstract
Emerging contaminants such as engineered nanoparticles (ENPs), pharmaceuticals and personal care products (PPCPs) are of great concern because of their wide distribution and incomplete removal in conventional wastewater and soil treatment processes. The production and usage of ENPs and PPCPs inevitably result in their coexistence in different environmental media, thus posing various risks to organisms in aquatic and terrestrial ecosystems. However, the existing literature on the physicochemical interactions between ENPs and PPCPs and their effects on organisms is rather limited. Therefore, this paper summarized the ecotoxicity of combined ENPs and PPCPs by discussing: (1) the interactions between ENPs and PPCPs, including processes such as aggregation, adsorption, transformation, and desorption, considering the influence of environmental factors like pH, ionic strength, dissolved organic matter, and temperature; (2) the effects of these interactions on bioaccumulation, bioavailability and biotoxicity in organisms at different trophic levels; (3) the impacted of ENPs and PPCPs on cellular-level biological process. This review elucidated the potential ecological hazards associated with the interaction of ENPs and PPCPs, and serves as a foundation for future investigations into the ecotoxicity and mode of action of ENPs, PPCPs, and their co-occurring metabolites.
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Affiliation(s)
- Xiang Li
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China
| | - Liyan Li
- Department of Civil and Environmental Engineering, College of Design and Engineering, National University of Singapore, Singapore
| | - Liang Tang
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China.
| | - Jingting Mei
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China
| | - Jing Fu
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China.
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Establishing a water-to-energy platform via dual-functional photocatalytic and photoelectrocatalytic systems: A comparative and perspective review. Adv Colloid Interface Sci 2022; 309:102793. [DOI: 10.1016/j.cis.2022.102793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/25/2022] [Accepted: 09/29/2022] [Indexed: 11/20/2022]
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Mohadesi M, Gouran A, Seifi K. Removal of ibuprofen from synthetic wastewater using photocatalytic method in the presence of FeO photocatalyst supported on modified Iranian clinoptilolite. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:34338-34348. [PMID: 35038093 DOI: 10.1007/s11356-021-18153-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 12/13/2021] [Indexed: 06/14/2023]
Abstract
This study investigated the removal of an organic drug called ibuprofen from the wastewater containing this drug. Iron oxide supported on modified Iranian clinoptilolite was used as the photocatalyst in the presence of the light of a solar lamp. XRD, SEM, EDAX, and FT-IR analyses were performed to detect the prepared photocatalyst. The results of photocatalytic identification analyses proved the suitable loading of iron oxide supported on modified Iranian clinoptilolite. This study investigated the effect of initial concentration of ibuprofen (5-25 mg/L), photocatalyst concentration (100-300 mg/L), and process time (10-240 min) on the removal from ibuprofen from wastewater containing this drug. The experiments were performed in a setup in the presence of a solar lamp with a flux of 300 W/m2. The results indicated that with the initial ibuprofen concentration of 25 mg/L, photocatalyst concentration of 300 mg/L, and time of 210 min, the highest percentage of ibuprofen removal and ibuprofen adsorbed on the catalyst were 99.80% and 83.17 mg/g, respectively. Kinetic modeling was then performed using the Langmuir-Hinshelwood model, and a quasi-first-order kinetic model showed a good agreement with the results obtained. Finally, the recovery of the photocatalyst was investigated, and the results showed that under optimal conditions about 91% of ibuprofen was removed after five re-uses of the photocatalyst.
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Affiliation(s)
- Majid Mohadesi
- Department of Chemical Engineering, Faculty of Engineering, Kermanshah University of Technology, Kermanshah, Iran.
| | - Ashkan Gouran
- Department of Chemical Engineering, Faculty of Engineering, Kermanshah University of Technology, Kermanshah, Iran
| | - Kiarash Seifi
- Department of Chemical Engineering, Faculty of Engineering, Kermanshah University of Technology, Kermanshah, Iran
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Design and Microwave-Assisted Synthesis of TiO2-Lanthanides Systems and Evaluation of Photocatalytic Activity under UV-LED Light Irradiation. Catalysts 2021. [DOI: 10.3390/catal12010008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The TiO2-Eu and TiO2-La systems were successfully synthesized using the microwave method. Based on the results of X-ray diffraction analysis, it was found that regardless of the analyzed systems, two crystal structures were noted for the obtained samples: anatase and rutile. The analysis, such as XPS and EDS, proved that the doped lanthanum and europium nano-particles are present only on the TiO2 surface without disturbing the crystal lattice. In the synthesized systems, there were no significant changes in the bandgap energy. Moreover, all the obtained systems were characterized by high thermal stability. One of the key objectives of the work, and a scientific novelty, was the introduction of UV-LED lamps into the metronidazole photo-oxidation pathway. The results of the photo-oxidation study showed that the obtained TiO2 systems doped with selected lanthanides (Eu or La) show high efficiency in the removal of metronidazole, and at the same consuming nearly 10 times less electricity compared to conventional UV lamps (high-pressure mercury lamp). Liquid-chromatography mass-spectrometry (LC-MS) analysis of an intermediate solution showed the presence of fragments of the degraded molecule by m/z 114, 83, and 60, prompting the formulation of a plausible photodegradation pathway for metronidazole.
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Miranda MO, Cabral Cavalcanti WE, Barbosa FF, Antonio de Sousa J, Ivan da Silva F, Pergher SBC, Braga TP. Photocatalytic degradation of ibuprofen using titanium oxide: insights into the mechanism and preferential attack of radicals. RSC Adv 2021; 11:27720-27733. [PMID: 35480690 PMCID: PMC9037810 DOI: 10.1039/d1ra04340d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/05/2021] [Indexed: 11/21/2022] Open
Abstract
The present work studied ibuprofen degradation using titanium dioxide as a photocatalyst. Mechanistic aspects were presented and the preferred attack sites by the OH˙ radical on the ibuprofen molecule were detailed, based on experimental and simple theoretical-computational results. Although some previous studies show mechanistic proposals, some aspects still need to be investigated, such as the participation of 4-isobutylacetophenone in the ibuprofen degradation and the preferred regions of attack by OH˙ radicals. The photodegradation was satisfactory using 0.03 g of TiO2 and pH = 5.0, reaching 100% decontamination in 5 min. The zeta potential curve showed the regions of attraction and repulsion between TiO2 and ibuprofen, depending on the pH range and charge of the species, influencing the amount of by-products formed. Different by-products have been identified by GC-MS, such as 4-isobutylacetophenone. Ibuprofen conversion to 4-isobutylacetophenone takes place through decarboxylation reaction followed by oxidation. The proposed mechanism indicates that the degradation of ibuprofen undergoes a series of elementary reactions in solution and on the surface. Three different radicals (OH˙, O2−˙ and OOH˙) are produced in the reaction sequence and contribute strongly to the oxidation and mineralization of ibuprofen and by-products, but the hydroxyl radical has a greater oxidation capacity. The simple study using the DFT approach demonstrated that the OH˙ radical attacks preferentially in the region of the ibuprofen molecule with high electronic density, which is located close to the aromatic ring (C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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C bond). The presence of the OH˙ radical was confirmed through a model reaction using salicylic acid as a probe molecule. The degradation of ibuprofen undergoes a series of elementary reactions, generating different radicals which attack preferentially in the region of the ibuprofen with high electron density.![]()
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Affiliation(s)
- Maicon Oliveira Miranda
- Laboratório de Peneiras Moleculares (LABPMOL), Programa de Pós-graduação em Química, Universidade Federal do Rio Grande do Norte (UFRN) Av. Sen. Salgado FIlho, Campus Universitário, Lagoa Nova 59.078-970 Natal RN Brazil +55 84 933422323.,Instituto Federal de Educação, Ciência e Tecnologia do Piauí (IFPI) Rodovia PI 213 Zona Rural 64235-000 Cocal PI Brazil
| | - Wesley Eulálio Cabral Cavalcanti
- Laboratório de Peneiras Moleculares (LABPMOL), Programa de Pós-graduação em Química, Universidade Federal do Rio Grande do Norte (UFRN) Av. Sen. Salgado FIlho, Campus Universitário, Lagoa Nova 59.078-970 Natal RN Brazil +55 84 933422323
| | - Felipe Fernandes Barbosa
- Laboratório de Peneiras Moleculares (LABPMOL), Programa de Pós-graduação em Química, Universidade Federal do Rio Grande do Norte (UFRN) Av. Sen. Salgado FIlho, Campus Universitário, Lagoa Nova 59.078-970 Natal RN Brazil +55 84 933422323
| | - José Antonio de Sousa
- Universidade Federal do Piauí, UFPI, Campus Universitário Ministro Petrônio Portella Ininga 64049-550 Teresina PI Brazil
| | | | - Sibele B C Pergher
- Laboratório de Peneiras Moleculares (LABPMOL), Programa de Pós-graduação em Química, Universidade Federal do Rio Grande do Norte (UFRN) Av. Sen. Salgado FIlho, Campus Universitário, Lagoa Nova 59.078-970 Natal RN Brazil +55 84 933422323
| | - Tiago Pinheiro Braga
- Laboratório de Peneiras Moleculares (LABPMOL), Programa de Pós-graduação em Química, Universidade Federal do Rio Grande do Norte (UFRN) Av. Sen. Salgado FIlho, Campus Universitário, Lagoa Nova 59.078-970 Natal RN Brazil +55 84 933422323
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Akay S, Öztürk S, Kalderis D, Kayan B. Degradation, solubility and chromatographic studies of Ibuprofen under high temperature water conditions. CHEMOSPHERE 2021; 277:130307. [PMID: 33774244 DOI: 10.1016/j.chemosphere.2021.130307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 03/08/2021] [Accepted: 03/14/2021] [Indexed: 06/12/2023]
Abstract
Ibuprofen (IBP) is an emerging environmental contaminant having low aqueous solubility which negatively affects the application of advanced oxidation and adsorption processes. It was determined that as the temperature increased to 473 K, the mole fraction solubility increased considerably from 0.02 × 10-3 to 212.88 × 10-3 (10600-fold). Calculation of the thermodynamic properties indicated an endothermic process, ΔsolH > 0, with relatively high ΔsolS values. Spectroscopic, thermal and chromatographic analyses established the IBP stability at subcritical conditions. In the second part of the study, the degradation of IBP in H2O2-modified subcritical was studied and the effect of each process variable was investigated. The optimum degradation of 88% was reached at an IBP concentration of 15 mg L-1, temperature of 250 °C, 105 min treatment time and 250 mM H2O2. The process was optimized by response surface methodology and a mathematical model was proposed and validated. Temperature was determined as the most influential parameter, followed by H2O2 concentration. At temperatures higher than 230 °C, a small but noticeable reduction in degradation % suggested that the OH· radicals are consumed at a higher rate than they are produced, through side reactions with other radicals and/or IBP by-products. Finally, potential by-products were determined by gas chromatographic-mass spectrometric analysis and potential by-products were proposed.
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Affiliation(s)
- Sema Akay
- Department of Chemistry, Arts and Sciences Faculty, Aksaray University, Aksaray, 68100, Turkey
| | - Serpil Öztürk
- Department of Chemistry, Arts and Sciences Faculty, Aksaray University, Aksaray, 68100, Turkey
| | - Dimitrios Kalderis
- Department of Electronic Engineering, Hellenic Mediterranean University, Chania, 73100, Crete, Greece
| | - Berkant Kayan
- Department of Chemistry, Arts and Sciences Faculty, Aksaray University, Aksaray, 68100, Turkey.
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El-Shazly AN, El-Sayyad GS, Hegazy AH, Hamza MA, Fathy RM, El Shenawy ET, Allam NK. Superior visible light antimicrobial performance of facet engineered cobalt doped TiO 2 mesocrystals in pathogenic bacterium and fungi. Sci Rep 2021; 11:5609. [PMID: 33692424 PMCID: PMC7946932 DOI: 10.1038/s41598-021-84989-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 02/24/2021] [Indexed: 01/31/2023] Open
Abstract
Pristine and Co-doped TiO2 mesocrystals have been synthesized via a simple sol-gel method and their antimicrobial activity has been investigated. The antimicrobial performance was evaluated in terms of zone of inhibition, minimum inhibitory concentration (MIC), antibiofilm activity, and effect of UV illumination in liquid media. The Co-doped TiO2 mesocrystals showed very promising MIC of 0.390 μg/mL and 0.781 μg/mL for P. mirabilis and P. mirabilis, respectively. Additionally, the material showed an MIC of 12.5 μg/mL against C. albicans, suggesting its use as antifungal agent. Upon the addition of 10.0 µg/mL of Co-doped TiO2 mesocrystals, the biofilm inhibition% reaches 84.43% for P. aeruginosa, 78.58% for P. mirabilis, and 77.81% for S. typhi, which can be ascribed to the created active oxygen species that decompose the tested microbial cells upon illumination. Thus the fabricated Co-doped TiO2 mesocrystals exhibit sufficient antimicrobial features under visible light, qualifying them for use as antimicrobial agents against pathogenic bacteria and fungi and subsequently inhibit their hazardous effects.
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Affiliation(s)
- Ayat N El-Shazly
- Energy Materials Laboratory, School of Sciences and Engineering, The American University in Cairo, New Cairo, 11835, Egypt
- Central Metallurgical Research and Development Institute, Helwan, P.O. Box 87, Cairo, Egypt
| | - Gharieb S El-Sayyad
- Drug Microbiology Lab., Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Aiat H Hegazy
- Solar Energy Department, National Research Centre, Giza, Dokki, Egypt
| | - Mahmoud A Hamza
- Chemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt
| | - Rasha M Fathy
- Drug Microbiology Lab., Drug Radiation Research Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - E T El Shenawy
- Solar Energy Department, National Research Centre, Giza, Dokki, Egypt
| | - Nageh K Allam
- Energy Materials Laboratory, School of Sciences and Engineering, The American University in Cairo, New Cairo, 11835, Egypt.
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Zerva I, Remmas N, Kagalou I, Melidis P, Ariantsi M, Sylaios G, Ntougias S. Effect of Chlorination on Microbiological Quality of Effluent of a Full-Scale Wastewater Treatment Plant. Life (Basel) 2021; 11:68. [PMID: 33477775 PMCID: PMC7832327 DOI: 10.3390/life11010068] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/10/2021] [Accepted: 01/14/2021] [Indexed: 11/17/2022] Open
Abstract
The evaluation of effluent wastewater quality mainly relies on the assessment of conventional bacterial indicators, such as fecal coliforms and enterococci; however, little is known about opportunistic pathogens, which can resist chlorination and may be transmitted in aquatic environments. In contrast to conventional microbiological methods, high-throughput molecular techniques can provide an accurate evaluation of effluent quality, although a limited number of studies have been performed in this direction. In this work, high-throughput amplicon sequencing was employed to assess the effectiveness of chlorination as a disinfection method for secondary effluents. Common inhabitants of the intestinal tract, such as Bacteroides, Arcobacter and Clostridium, and activated sludge denitrifiers capable of forming biofilms, such as Acidovorax, Pseudomonas and Thauera, were identified in the chlorinated effluent. Chloroflexi with dechlorination capability and the bacteria involved in enhanced biological phosphorus removal, i.e., Candidatus Accumulibacter and Candidatus Competibacter, were also found to resist chlorination. No detection of Escherichia indicates the lack of fecal coliform contamination. Mycobacterium spp. were absent in the chlorinated effluent, whereas toxin-producing cyanobacteria of the genera Anabaena and Microcystis were identified in low abundances. Chlorination significantly affected the filamentous bacteria Nocardioides and Gordonia, whereas Zoogloea proliferated in the disinfected effluent. Moreover, perchlorate/chlorate- and organochlorine-reducing bacteria resisted chlorination.
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Affiliation(s)
- Ioanna Zerva
- Department of Environmental Engineering, Laboratory of Wastewater Management and Treatment Technologies, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece; (I.Z.); (N.R.); (P.M.); (M.A.)
- Department of Civil Engineering, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece;
| | - Nikolaos Remmas
- Department of Environmental Engineering, Laboratory of Wastewater Management and Treatment Technologies, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece; (I.Z.); (N.R.); (P.M.); (M.A.)
| | - Ifigeneia Kagalou
- Department of Civil Engineering, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece;
| | - Paraschos Melidis
- Department of Environmental Engineering, Laboratory of Wastewater Management and Treatment Technologies, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece; (I.Z.); (N.R.); (P.M.); (M.A.)
| | - Marina Ariantsi
- Department of Environmental Engineering, Laboratory of Wastewater Management and Treatment Technologies, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece; (I.Z.); (N.R.); (P.M.); (M.A.)
| | - Georgios Sylaios
- Department of Environmental Engineering, Laboratory of Ecological Engineering and Technology, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece;
| | - Spyridon Ntougias
- Department of Environmental Engineering, Laboratory of Wastewater Management and Treatment Technologies, Democritus University of Thrace, Vas. Sofias 12, 67132 Xanthi, Greece; (I.Z.); (N.R.); (P.M.); (M.A.)
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