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Wojtczak I, Brzozowska W, Trykowski G, Sprynskyy M. Diatom Biosilica Functionalised with Metabolically Deposited Cerium Oxide Nanoparticles. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2390. [PMID: 38793457 PMCID: PMC11123480 DOI: 10.3390/ma17102390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 05/10/2024] [Accepted: 05/14/2024] [Indexed: 05/26/2024]
Abstract
This study introduces a novel approach to synthesising a three-dimensional (3D) micro-nanostructured amorphous biosilica. The biosilica is coated with cerium oxide nanoparticles obtained from laboratory-grown unicellular photosynthetic algae (diatoms) doped metabolically with cerium. This unique method utilises the ability of diatom cells to absorb cerium metabolically and deposit it on their silica exoskeleton as cerium oxide nanoparticles. The resulting composite (Ce-DBioSiO2) combines the unique structural and photonic properties of diatom biosilica (DBioSiO2) with the functionality of immobilised CeO2 nanoparticles. The kinetics of the cerium metabolic insertion by diatom cells and the physicochemical properties of the obtained composites were thoroughly investigated. The resulting Ce-DBioSiO2 composite exhibits intense Stokes fluorescence in the violet-blue region under ultraviolet (UV) irradiation and anti-Stokes intense violet and faint green emissions under the 800 nm near-infrared excitation with a xenon lamp at room temperature in an ambient atmosphere.
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Affiliation(s)
- Izabela Wojtczak
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland;
| | - Weronika Brzozowska
- Division of Surface Science, Faculty of Chemical Technology and Engineering, Bydgoszcz University of Science and Technology, Kaliskiego 7, 85-796 Bydgoszcz, Poland;
| | - Grzegorz Trykowski
- Department of Materials Chemistry, Adsorption and Catalysis, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland;
| | - Myroslav Sprynskyy
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100 Torun, Poland;
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2
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Ding M, Jia D, Yang M, Yu Y, Lin G, Zhang X. A Detailed Insight into the Effects of Morphologies of Cerium Oxide on Fenton-like Reactions for Different Applications. Chemphyschem 2023; 24:e202300211. [PMID: 37610324 DOI: 10.1002/cphc.202300211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/21/2023] [Accepted: 08/22/2023] [Indexed: 08/24/2023]
Abstract
As an exceptional Fenton-like reagent, cerium oxide (CeO2 ) finds applications in biomedical science and organic pollutants treatment. The Fenton-like reaction catalyzed by CeO2 typically encompasses two distinct processes: one resembling the classical Fenton reaction, wherein cerium (Ce3+ ) triggers the decomposition of hydrogen peroxide (H2 O2 ) to yield reactive oxygen species (ROS), and the other involves the complexation of H2 O2 on the Ce3+ surface, leading to the formation of peroxides. However, the influence of diverse CeO2 morphologies on these two reaction pathways has not been comprehensively explored. In this study, CeO2 exhibiting three typical morphologies, rods, cubes, and spheres, were prepared. The generation of ROS and peroxides was evaluated using the 3,3,5,5-tetramethylbenzidine (TMB) oxidation reaction and the reduction current of H2 O2 , respectively. Moreover, the impacts of pH variations and CeO2 /H2 O2 concentrations on the production and conversion of these two reaction products were investigated. To corroborate the distinctions between the resultant products and their applicability, apoptosis assays and acid orange 7 (AO7) degradation analyses were performed. Notably, CeO2 rods exhibited the highest proportion of Ce3+ , predominantly engaging in complexation with H2 O2 to foster peroxide formation, thereby facilitating the robust degradation of AO7. However, the generated peroxides appeared to occupy Ce3+ sites, thereby impeding the H2 O2 decomposition process. Conversely, Ce3+ species on the surface of CeO2 cubes were primarily involved in H2 O2 decomposition, leading to heightened ROS production, and thus showcasing substantial potential for damaging A549 tumor cells. It is worth noting that the ability of these Ce3+ species to form peroxides through complexation with H2 O2 was comparatively reduced. In summation, this study sheds light on the intricate interplay between distinct CeO2 morphologies and their divergent impacts on Fenton-like reactions. These findings expand our comprehension of the influences on its reactivity of CeO2 morphologies and open new insights for applications in diverse domains, from organic dye degradation to tumor therapy.
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Affiliation(s)
- Meijuan Ding
- Department of Respiratory Medicine, Cancer Hospital of Harbin Medical University, 150 Haping Road, Nangang District, 150001, Harbin, China
- Department of Oncology, Second Affifiliated Hospital of Harbin Medical University, 246 Xuefu Road, Nangang District, 150086, Harbin, China
| | - Dexin Jia
- Department of Respiratory Medicine, Cancer Hospital of Harbin Medical University, 150 Haping Road, Nangang District, 150001, Harbin, China
| | - Min Yang
- Department of Respiratory Medicine, Cancer Hospital of Harbin Medical University, 150 Haping Road, Nangang District, 150001, Harbin, China
| | - Yan Yu
- Department of Respiratory Medicine, Cancer Hospital of Harbin Medical University, 150 Haping Road, Nangang District, 150001, Harbin, China
| | - Guochang Lin
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, 92 Xidazhi Road, Nangang District, 150001, Harbin, China
| | - Xuelin Zhang
- MEMS Center, Harbin Institute of Technology, 92 Xidazhi Road, Nangang District, 150001, Harbin, China
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Wu H, Li L, Wang S, Zhu N, Li Z, Zhao L, Wang Y. Recent advances of semiconductor photocatalysis for water pollutant treatment: mechanisms, materials and applications. Phys Chem Chem Phys 2023; 25:25899-25924. [PMID: 37746773 DOI: 10.1039/d3cp03391k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023]
Abstract
Semiconductor photocatalysis has become an increasing area of interest for use in water treatment methods. This review systematically presents the recent developments of emerging semiconductor photocatalysis system and their application in the removal of water pollutants. A brief overview of the semiconductor photocatalysis mechanism involved with the generation of reactive oxygen species (ROS) is provided first. Then a detailed explanation of the development of TiO2-based, g-C3N4-based, and bismuth-based semiconductor materials and their applications in the degradation of water pollutants are highlighted with recent illustrative examples. Furthermore, the future prospects of semiconductor photocatalysis for water treatment are critically analyzed.
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Affiliation(s)
- Huasheng Wu
- State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, PO Box 2871, Beijing 100085, China.
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310007, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Lingxiangyu Li
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310007, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Sen Wang
- Hebei Key Laboratory of Geological Resources and Environment Monitoring and Protection, Hebei Geological Environmental Monitoring Institute, Shijiazhuang, 050021, China
| | - Nali Zhu
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310007, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Zhigang Li
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310007, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Lixia Zhao
- State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, PO Box 2871, Beijing 100085, China.
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310007, China
- University of Chinese Academy of Sciences, Beijing 100039, China
| | - Yawei Wang
- State Key Laboratory of Environmental Chemistry and Eco-toxicology, Research Center for Eco-environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, PO Box 2871, Beijing 100085, China.
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310007, China
- University of Chinese Academy of Sciences, Beijing 100039, China
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Guo R, Hu S, Gao Y, Chen F. Activation Mechanism of a Peroxymonosulfate-based Fenton-like System with Birnessite and Cu 2+ Modified Birnessite. Chem Asian J 2023; 18:e202201285. [PMID: 36704999 DOI: 10.1002/asia.202201285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/27/2023] [Accepted: 01/27/2023] [Indexed: 01/28/2023]
Abstract
The peroxymonosulfate (PMS) activation mechanism is closely related to the structure/configuration of the "active site" of the Fenton-like catalysts. In this paper, it is shown that Cu2+ chemically bonds the surface of birnessite at the Mn vacancy site to form triple-corner-sharing inner-sphere surface complexes (Cu-Bir), which regulates the PMS activation mechanism. Birnessite/PMS Fenton-like system degrades phenol via a non-radical mechanism, which involves high valent Mn(V)=O generated from the surface reaction of Mn(III) with adsorbed PMS. While Cu-Bir initiates an additional radical mechanism that involves reactive oxygen species of ⋅O2 - and 1 O2 , and the k value of 5Cu-Bir is 1.9 times higher than that of Bir. The Fenton-like reaction mechanism of the Cu-Bir/PMS system is thus proposed as a radical and non-radical cooccurrence mechanism, which involves a synergistic effect that the radical pathway accelerates the regeneration of Mn(III) for the non-radical pathway, and the non-radical pathway assists to produce 1 O2 for the radical pathway.
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Affiliation(s)
- Rujia Guo
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Shiyu Hu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Yiqian Gao
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Feng Chen
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
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Liu Q, He J, Yang W, Wu Q, Zou L, Wu Y, Yang L, Shi G, Yang X. Mesoporous ceria nanoparticles for ultra-fast and highly flexible photo-fenton catalytic reaction. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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6
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Wolski L, Sobańska K, Nowaczyk G, Frankowski M, Pietrowski M, Jarek M, Rozmyślak M, Pietrzyk P. Phosphate doping as a promising approach to improve reactivity of Nb 2O 5 in catalytic activation of hydrogen peroxide and removal of methylene blue via adsorption and oxidative degradation. JOURNAL OF HAZARDOUS MATERIALS 2022; 440:129783. [PMID: 36027741 DOI: 10.1016/j.jhazmat.2022.129783] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/28/2022] [Accepted: 08/13/2022] [Indexed: 06/15/2023]
Abstract
This study is devoted to the evaluation of the influence of phosphate dopants on the reactivity of Nb2O5-based nanomaterials in the combined catalytic activation of H2O2 and the elimination of methylene blue (MB) from an aqueous solution via adsorption and chemical degradation. For this purpose, several niobia-based catalysts doped with various amounts of phosphate were prepared by a facile hydrothermal method and subsequent calcination. Phosphate doping was shown to strongly enhance the ability of Nb2O5 to activate H2O2, as well as to adsorb and degrade MB. The most pronounced differences in the reactivity of the parent Nb2O5 and phosphate-doped samples were observed under strongly acidic conditions (pH ~ 2.4), at which the most active modified catalysts (Nb/P molar ratio = 5/1) was approximately 6 times more efficient in the removal of MB. The observed enhancement of reactivity was attributed to the increased generation of singlet oxygen 1O2, which was identified as the main oxidizing agent responsible for efficient degradation of MB. To our knowledge, it is the first report revealing that phosphate doping of Nb2O5 resulted in an improved activity of niobia in the adsorption and degradation of organic pollutants.
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Affiliation(s)
- Lukasz Wolski
- Faculty of Chemistry, Adam Mickiewicz University, Poznań, ul. Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland.
| | - Kamila Sobańska
- Faculty of Chemistry, Jagiellonian University, ul. Gronostajowa 2, 30-387 Kraków, Poland
| | - Grzegorz Nowaczyk
- NanoBioMedical Centre, Adam Mickiewicz University, Poznań, ul. Wszechnicy Piastowskiej 3, 61-614 Poznań, Poland
| | - Marcin Frankowski
- Faculty of Chemistry, Adam Mickiewicz University, Poznań, ul. Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Mariusz Pietrowski
- Faculty of Chemistry, Adam Mickiewicz University, Poznań, ul. Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Marcin Jarek
- NanoBioMedical Centre, Adam Mickiewicz University, Poznań, ul. Wszechnicy Piastowskiej 3, 61-614 Poznań, Poland
| | - Mateusz Rozmyślak
- Faculty of Chemistry, Adam Mickiewicz University, Poznań, ul. Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Piotr Pietrzyk
- Faculty of Chemistry, Jagiellonian University, ul. Gronostajowa 2, 30-387 Kraków, Poland.
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Fu C, Xu X, Zheng C, Liu X, Zhao D, Qiu W. Photocatalysis of aqueous PFOA by common catalysts of In 2O 3, Ga 2O 3, TiO 2, CeO 2 and CdS: influence factors and mechanistic insights. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2022; 44:2943-2953. [PMID: 35064382 DOI: 10.1007/s10653-021-01127-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/09/2021] [Indexed: 06/14/2023]
Abstract
Gallium oxide (Ga2O3), titanium dioxide (TiO2), cerium dioxide (CeO2), indium oxide (In2O3) and cadmium sulfide (CdS) were commonly used under UV light as photocatalysis system for the pollutants' degradation. In this study, these five catalysts were applied for the photodegradation of perfluorooctanoic acid (PFOA), a well-known perfluoroalkyl substance (PFAS). As a result, the PFOA photodegradation performance was sequenced as: Ga2O3 > TiO2 > CeO2 > In2O3 > CdS. To further explain the photocatalysis mechanism, the effects of initial pH, photon energy and band gap were evaluated. The initial pH of 3 ± 0.2 hinders the catalytic reaction of CdS, resulting in low degradation of PFOA, while it has no significant effect on Ga2O3, TiO2, CeO2 and In2O3. In addition, quantum yield was sequenced as TiO2 > CeO2 > Ga2O3 > In2O3, which may not be the main factor determining the degradation effect. Notably, the band gap energy from large to narrow was as: Ga2O3 > TiO2 > CeO2 > In2O3 > CdS, which exactly matched their degradation performance.
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Affiliation(s)
- Caixia Fu
- School of Environment, Harbin Institute of Technology, Harbin, 150090, China
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xiuru Xu
- School of Agricultural and Biological Technology, Wenzhou Vocational College of Science & Technology, Zhejiang, 325006, China.
| | - Chunmiao Zheng
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xinjie Liu
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Dandan Zhao
- Department of Built Environment, Aalto University, PO Box 15200, 00076, Espoo, Finland
| | - Wenhui Qiu
- School of Public Health and Emergency Management, Southern University of Science and Technology, Shenzhen, 518055, China.
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Wolski L, Sobańska K, Walkowiak A, Akhmetova K, Gryboś J, Frankowski M, Ziolek M, Pietrzyk P. Enhanced adsorption and degradation of methylene blue over mixed niobium-cerium oxide - Unraveling the synergy between Nb and Ce in advanced oxidation processes. JOURNAL OF HAZARDOUS MATERIALS 2021; 415:125665. [PMID: 33773255 DOI: 10.1016/j.jhazmat.2021.125665] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/25/2021] [Accepted: 03/12/2021] [Indexed: 06/12/2023]
Abstract
Formation of reactive oxygen species (ROS) via H2O2 activation is of vital importance in catalytic environmental chemistry, especially in degradation of organic pollutants. A new mixed niobium-cerium oxide (NbCeOx) was tailored for this purpose. A thorough structural and chemical characterization of NbCeOx along with CeO2 and Nb2O5 reference materials was carried out using TEM/STEM/EDS, SEM, XRD, XPS, EPR, UV-vis and N2 physisorption. The ability of the catalysts to activate H2O2 towards ROS formation was assessed on the basis of EPR and Raman measurements. Catalytic activity of the oxides was evaluated in degradation of methylene blue (MB) as a model pollutant. Very high activity of NbCeOx was attributed to the mixed redox-acidic nature of its surface, which originated from the synergy between Nb and Ce species. These two properties (redox activity and acidity) ensured convenient conditions for efficient activation of H2O2 and degradation of MB. The activity of NbCeOx in MB degradation was found 3 times higher than that of the commercial Nb2O5 CBMM catalyst and 240 times higher than that of CeO2. The mechanism of the degradation reaction was found to be an adsorption-triggered process initiated by hydroxyl radicals, generated on the surface via the transformation of O2-•/O22-.
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Affiliation(s)
- Lukasz Wolski
- Faculty of Chemistry, Adam Mickiewicz University, Poznan, ul. Uniwersytetu Poznanskiego 8, 61-614 Poznan, Poland.
| | - Kamila Sobańska
- Faculty of Chemistry, Jagiellonian University, ul. Gronostajowa 2, 30-387 Kraków, Poland
| | - Adrian Walkowiak
- Faculty of Chemistry, Adam Mickiewicz University, Poznan, ul. Uniwersytetu Poznanskiego 8, 61-614 Poznan, Poland
| | - Kamila Akhmetova
- Faculty of Chemistry, Jagiellonian University, ul. Gronostajowa 2, 30-387 Kraków, Poland
| | - Joanna Gryboś
- Faculty of Chemistry, Jagiellonian University, ul. Gronostajowa 2, 30-387 Kraków, Poland
| | - Marcin Frankowski
- Faculty of Chemistry, Adam Mickiewicz University, Poznan, ul. Uniwersytetu Poznanskiego 8, 61-614 Poznan, Poland
| | - Maria Ziolek
- Faculty of Chemistry, Adam Mickiewicz University, Poznan, ul. Uniwersytetu Poznanskiego 8, 61-614 Poznan, Poland
| | - Piotr Pietrzyk
- Faculty of Chemistry, Jagiellonian University, ul. Gronostajowa 2, 30-387 Kraków, Poland.
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Qiu S, Wang Y, Wan J, Ma Y, Yan Z, Yang S. Enhanced electro-Fenton catalytic performance with in-situ grown Ce/Fe@NPC-GF as self-standing cathode: Fabrication, influence factors and mechanism. CHEMOSPHERE 2021; 273:130269. [PMID: 33773811 DOI: 10.1016/j.chemosphere.2021.130269] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 03/07/2021] [Accepted: 03/11/2021] [Indexed: 06/12/2023]
Abstract
Heterogeneous electro-Fenton (E-F) is considered as an attractive technique for efficient removal of refractory organic pollutants in wastewater. The regeneration of FeII and catalyst reusability are key issues for effective and sustainable degradation. Developing binder-free iron phase/carbon composite cathode is a feasible strategy. In this work, the stable Ce/Fe-nanoporous carbon modified graphite felt electrode (Ce/Fe@NPC-GF) was fabricated using in situ solvothermal method and subsequent carbonization treatment, which worked as the cathode in a heterogeneous electro-Fenton system to degrade sulfamethoxazole. The electrocatalytic activity was significantly improved with doping of Ce. It was found that mesoporous Ce/Fe@NPC-GF cathode demonstrated high oxygen reduction activity and low resistance. The co-existence of FeⅡ/FeⅢ and CeⅢ/CeⅣ redox couples enhanced remarkably interfacial electron transfer, promoting in-situ H2O2 generation and decomposition, sequentially boosting the production of reactive radicals (·OH and ·O2-). Under 20 mA and pH 3, Sulfamethoxazole (SMX) was basically degraded in 120 min, and the removal rate was satisfactory in wide pH (2-6). After 8 cycles, the electrode could still maintain high stability and outstanding catalytic capacity. This work displayed a novel in-situ preparation method of composite cathode with excellent catalytic performance in E-F system, which offered inspiration for developing efficient heterogeneous electro-Fenton cathode material.
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Affiliation(s)
- Shuying Qiu
- College of Environment and Energy, South China University of Technology, Guangzhou, 510006, China.
| | - Yan Wang
- College of Environment and Energy, South China University of Technology, Guangzhou, 510006, China; Guangdong Plant Fiber High-Valued Cleaning Utilization Engineering Technology Research Center, Guangzhou, 510640, China.
| | - Jinquan Wan
- College of Environment and Energy, South China University of Technology, Guangzhou, 510006, China; Guangdong Plant Fiber High-Valued Cleaning Utilization Engineering Technology Research Center, Guangzhou, 510640, China.
| | - Yongwen Ma
- College of Environment and Energy, South China University of Technology, Guangzhou, 510006, China; Guangdong Plant Fiber High-Valued Cleaning Utilization Engineering Technology Research Center, Guangzhou, 510640, China.
| | - Zhicheng Yan
- College of Environment and Energy, South China University of Technology, Guangzhou, 510006, China.
| | - Shou Yang
- College of Environment and Energy, South China University of Technology, Guangzhou, 510006, China.
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10
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Synthesis of mixed oxide Ti/Fe2O3 as solar light-induced photocatalyst for heterogeneous photo-Fenton like process. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.112873] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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11
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Zhang Y, Xiao R, Wang S, Zhu H, Song H, Chen G, Lin H, Zhang J, Xiong J. Oxygen vacancy enhancing Fenton-like catalytic oxidation of norfloxacin over prussian blue modified CeO 2: Performance and mechanism. JOURNAL OF HAZARDOUS MATERIALS 2020; 398:122863. [PMID: 32485507 DOI: 10.1016/j.jhazmat.2020.122863] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/22/2020] [Accepted: 04/28/2020] [Indexed: 06/11/2023]
Abstract
To develop an efficient heterogeneous Fenton-like catalyst is of great importance for degrading organic pollutants. CeO2 was selected as the catalyst carrier. Prussian blue (PB) was chose as the iron resource for its sensitivity to H2O2 and low toxicity. PB modified CeO2 composite was successfully fabricated and used for Fenton-like oxidation of norfloxacin (NOR) in this study. The characteristics of the catalysts demonstrated that the doping of PB distorted the lattice locally and increased the surface area of CeO2 obviously. The XPS analysis also indicated that chemically supported catalysts PB/CeO2 with more Ce3+ was beneficial to Fenton-like catalytic reaction. The degradation tests showed that the PB/CeO2 significantly enhanced the removal of NOR which indicated a synergistic effect between PB and CeO2. The reason should be mainly attributed to the synergetic catalysis of H2O2 by Fe3+/Fe2+ and Ce3+/Ce4+ redox couples. At the same time, PB/CeO2 composite showed well reusability and wide pH value range of 2-9 with fairly low concentration of iron ions. The reaction mechanisms were identified to be OH oxidation and improvement of oxygen vacancies (OVs).
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Affiliation(s)
| | - Ruyi Xiao
- Guangxi University, Nanning, 530004, China
| | - Shuangfei Wang
- Guangxi University, Nanning, 530004, China; Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, China.
| | - Hongxiang Zhu
- Guangxi University, Nanning, 530004, China; Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, China
| | - Hainong Song
- Guangxi BOSSCO Environmental Protection Science and Technology Co., LTD., Nanning, 530004, China
| | - Guoning Chen
- Guangxi BOSSCO Environmental Protection Science and Technology Co., LTD., Nanning, 530004, China
| | - Hongfei Lin
- Guangxi BOSSCO Environmental Protection Science and Technology Co., LTD., Nanning, 530004, China
| | - Jian Zhang
- Guangxi University, Nanning, 530004, China; Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, China
| | - Jianhua Xiong
- Guangxi University, Nanning, 530004, China; Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, Nanning, 530004, China
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12
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Niu L, Wei T, Li Q, Zhang G, Xian G, Long Z, Ren Z. Ce-based catalysts used in advanced oxidation processes for organic wastewater treatment: A review. J Environ Sci (China) 2020; 96:109-116. [PMID: 32819685 DOI: 10.1016/j.jes.2020.04.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/16/2020] [Accepted: 04/22/2020] [Indexed: 06/11/2023]
Abstract
Refractory organic pollutants in water threaten human health and environmental safety, and advanced oxidation processes (AOPs) are effective for the degradation of these pollutants. Catalysts play vital role in AOPs, and Ce-based catalysts have exhibited excellent performance. Recently, the development and application of Ce-based catalysts in various AOPs have been reported. Our study conducts the first review in this rapid growing field. This paper clarifies the variety and properties of Ce-based catalysts. Their applications in different AOP systems (catalytic ozonation, photodegradation, Fenton-like reactions, sulfate radical-based AOPs, and catalytic sonochemistry) are discussed. Different Ce-based catalysts suit different reaction systems and produce different active radicals. Finally, future research directions of Ce-based catalysts in AOP systems are suggested.
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Affiliation(s)
- Lijun Niu
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300130, China; School of Environment and Natural Resource, Renmin University of China, Beijing 100872, China
| | - Ting Wei
- School of Environment and Natural Resource, Renmin University of China, Beijing 100872, China
| | - Qiangang Li
- School of Environment and Natural Resource, Renmin University of China, Beijing 100872, China
| | - Guangming Zhang
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300130, China.
| | - Guang Xian
- School of Environment and Natural Resource, Renmin University of China, Beijing 100872, China
| | - Zeqing Long
- School of Environment and Natural Resource, Renmin University of China, Beijing 100872, China
| | - Zhijun Ren
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300130, China
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Abstract
Three different Advanced Oxidation Processes (AOPs) have been investigated for the degradation of the imidacloprid pesticide in water: photocatalysis, Fenton and photo-Fenton reactions. For these tests, we have compared the performance of two types of CeO2, employed as a non-conventional photocatalyst/Fenton-like material. The first one has been prepared by chemical precipitation with KOH, while the second one has been obtained by exposing the as-synthetized CeO2 to solar irradiation in H2 stream. This latter treatment led to obtain a more defective CeO2 (coded as “grey CeO2”) with the formation of Ce3+ sites on the surface of CeO2, as determined by Raman and X-ray Photoelectron Spectroscopy (XPS) characterizations. This peculiar feature has been demonstrated as beneficial for the solar photo–Fenton reaction, with the best performance exhibited by the grey CeO2. On the contrary, the bare CeO2 showed a photocatalytic activity higher with respect to the grey CeO2, due to the higher exposed surface area and the lower band-gap. The easy synthetic procedures of CeO2 reported here, allows to tune and modify the physico-chemical properties of CeO2, allowing a choice of different CeO2 samples on the basis of the specific AOPs for water remediation. Furthermore, neither of the samples have shown any critical toxicity.
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Ayala-Durán SC, Hammer P, Pupo Nogueira RF. Surface composition and catalytic activity of an iron mining residue for simultaneous degradation of sulfonamide antibiotics. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:1710-1720. [PMID: 31749013 DOI: 10.1007/s11356-019-06662-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/01/2019] [Indexed: 06/10/2023]
Abstract
Iron mining residue was evaluated as a potential catalyst for heterogeneous Fenton/photo-Fenton degradation of sulfonamide antibiotics. The residue contained 25% Fe2O3 and 8% CeO2, as determined by X-ray fluorescence spectroscopy, as well as other minor phases such as P2O5, SiO2, and TiO2. X-ray photoelectron spectroscopy analysis revealed a lower content of iron oxides on the surface, which restricted interaction of the residue with H2O2. Despite this limitation and the relatively low specific surface area (26 m2 g-1) of the crude iron mining residue (without any pretreatment), the material presented high catalytic activity for Fenton degradation of sulfonamide antibiotics. The degradation was strongly dependent on the initial pH, showing the highest efficiency at pH 2.5. For this condition, a concentration of sulfathiazole below the detection limit was obtained within 30 min, under black light irradiation and using 0.3 g L-1 residue, with low H2O2 consumption (0.2 mmol L-1). The residue also provided highly efficient sulfathiazole degradation in the dark, with the concentration of the antibiotic decreasing to an undetectable level after 45 min. Simultaneous degradation of two sulfonamide antibiotics revealed higher recalcitrance of sulfamethazine, compared to sulfathiazole, but the levels of both antibiotics decreased to below the detection limit after 45 min. The residue was very stable, since no significant concentration of soluble iron was detected after the degradation process. Furthermore, high catalytic activity was maintained during up to five cycles, showing the potential of this material for use as a low-cost and environmentally compliant catalyst in Fenton processes.
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Affiliation(s)
- Saidy C Ayala-Durán
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara, São Paulo, 14800-060, Brazil
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - Peter Hammer
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara, São Paulo, 14800-060, Brazil
| | - Raquel F Pupo Nogueira
- Institute of Chemistry, São Paulo State University (UNESP), Araraquara, São Paulo, 14800-060, Brazil.
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), São Paulo State University (UNESP), Araraquara, São Paulo, Brazil.
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15
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BiFeO3/MoS2 nanocomposites with the synergistic effect between ≡MoVI/≡MoIV and ≡FeIII/≡FeII redox cycles for enhanced Fenton-like activity. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123607] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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16
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Xie L, Mi X, Liu Y, Li Y, Sun Y, Zhan S, Hu W. Highly Efficient Degradation of Polyacrylamide by an Fe-Doped Ce 0.75Zr 0.25O 2 Solid Solution/CF Composite Cathode in a Heterogeneous Electro-Fenton Process. ACS APPLIED MATERIALS & INTERFACES 2019; 11:30703-30712. [PMID: 31361111 DOI: 10.1021/acsami.9b06396] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Polyacrylamide (PAM) in environmental water has become a major problem in water pollution management due to its high molecular mass, corrosion resistance, high viscosity, and nonabsorption by soil. The composite of Fe-doped Ce0.75Zr0.25O2 solid solution (Fe-Ce0.75Zr0.25O2) loaded on carbon felt (CF) was fabricated by a hydrothermal synthesis method, which was used as the cathode in a heterogeneous electro-Fenton system for the degradation of PAM. It showed that the degradation efficiency of PAM by the Fe-Ce0.75Zr0.25O2/CF cathode was 86% after 120 min and the molecular mass of PAM decreased by more than 90% after 300 min. Total organic carbon removal reached 78.86% in the presence of Fe-Ce0.75Zr0.25O2/CF, while the value was only 38.01% in the absence of Fe-Ce0.75Zr0.25O2. Further studies showed that the breaking of the chain begins with the amide bond, and then, the carbon chain was cracked into a short alkyl chain. As degradation progressed, both the complex viscosity and elasticity modulus of PAM solutions decreased nearly 50% at 300 min. It indicated that •OH were the most significant active species for the degradation of PAM. This novel Fe-Ce0.75Zr0.25O2/CF composite is an efficient and promising electrode for the removal of PAM in wastewater.
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Affiliation(s)
- Liangbo Xie
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science , Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072 , China
| | - Xueyue Mi
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering , Nankai University , Tianjin 300071 , China
| | - Yigang Liu
- Bohai Oilfield Research Institute, Tianjin Branch, CNOOC China Limited , Tianjin 300459 , China
| | - Yi Li
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science , Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072 , China
| | - Yan Sun
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering , Nankai University , Tianjin 300071 , China
| | - Sihui Zhan
- Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), College of Environmental Science and Engineering , Nankai University , Tianjin 300071 , China
| | - Wenping Hu
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Science , Tianjin University & Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072 , China
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17
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Chen H, Feng Y, Suo N, Long Y, Li X, Shi Y, Yu Y. Preparation of particle electrodes from manganese slag and its degradation performance for salicylic acid in the three-dimensional electrode reactor (TDE). CHEMOSPHERE 2019; 216:281-288. [PMID: 30384296 DOI: 10.1016/j.chemosphere.2018.10.097] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/15/2018] [Accepted: 10/16/2018] [Indexed: 06/08/2023]
Abstract
Salicylic acid (SA) is a class of trace pollutants widely presented in the environment belonged to pharmaceuticals and personal care products. It is difficult to remove SA by the traditional treatment processes because of its toxicity. In this paper, the degradation of SA by Mn-loaded Cu/Fe particle electrodes was studied. Firstly, the particle electrodes were prepared by impregnation-roasting method and then characterized by SEM, XRF and XRD. The diffraction peaks of Fe2O3 and CuO in the XRD patterns of the particle electrodes which had the dense spherical particles were significantly increased and the content of CuO and Fe2O3 increased by 1.9% and 3.6% respectively. Secondly, single factor experiments were carried out under conditions of cell voltage, electrolyte concentration, pH, HRT, inter-electrode distance and initial pollutant concentration. Under the optimum conditions of all the factors, the degradation rate of SA reached 76.9%. Then, HPLC and GCMS were employed to deduce the degradation pathways of SA by the TDE with Mn-particle electrodes (Mn-PETDE). Under the action of •OH, SA underwent decarboxylation and substitution reactions and then mineralized after the ring-opening reaction. All results demonstrated that this Mn-PETDE was effective for degradation of SA.
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Affiliation(s)
- Hao Chen
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China
| | - Yan Feng
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China; School of Municipal & Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China.
| | - Ning Suo
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China
| | - Yingying Long
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China
| | - Xue Li
- School of Civil Engineering and Architecture, Qilu Institute of Technology, Jinan 250022, China
| | - Yulong Shi
- State Key Laboratory of Environmental Aquatic Chemistry, Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Research and Development Center, Beijing Drainage Group Co. Ltd., Beijing 100124, China
| | - Yanzhen Yu
- School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China; School of Civil Engineering and Architecture, Qilu Institute of Technology, Jinan 250022, China
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