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Tarannum S, Sahadat Hossain M, Bashar MS, Bahadur NM, Ahmed S. Amplification of photocatalytic degradation of antibiotics (amoxicillin, ciprofloxacin) by sodium doping in nano-crystallite hydroxyapatite. RSC Adv 2024; 14:12386-12396. [PMID: 38638810 PMCID: PMC11025524 DOI: 10.1039/d4ra00126e] [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: 01/08/2024] [Accepted: 04/08/2024] [Indexed: 04/20/2024] Open
Abstract
In this research, we explain the production of sodium-doped hydroxyapatite (Na_HAp) via wet chemical precipitation, followed by crystal modification. To enhance its photocatalytic activity different % of (0.25, 0.5, 1, and 2) sodium doped into HAp crystal. It has been demonstrated that doping is an effective method for modifying the properties of nanomaterials, such as their optical performance and chemical reactivity. Several instrumental approaches were used to characterize this newly synthesized sodium-doped HAp (Na_HAp), e.g. scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), and UV-vis spectrometry were used to analyze the morphology, elemental composition, crystal structure, and optical bandgap, respectively. Under sunlight irradiation, the new Na_HAp photocatalyst was put to use in the process of degrading pharmaceutical pollutants such as antibiotics (amoxicillin and ciprofloxacin). It was found that using a 0.1 g dose of 1% Na_HAp under specified conditions, such as a pH of 7 and 120 minutes of sunlight irradiation, resulted in degradation percentages of 60% and 41.59% for amoxicillin and ciprofloxacin, respectively. Different radical scavengers were utilized to determine the reaction mechanism for the photochemical degradation of antibiotics. Additionally, the ability to be reused and the stability of 1% Na_HAp, a newly developed photocatalyst, were assessed. Therefore, this research adds to our understanding of how to optimize redox capacity for the rapid breakdown of a variety of antibiotics when exposed to sunlight.
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Affiliation(s)
- Sakabe Tarannum
- Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka 1205 Bangladesh
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University Noakhali Bangladesh
| | - Md Sahadat Hossain
- Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka 1205 Bangladesh
| | - Muhammad Shahriar Bashar
- Institute of Energy Research & Development, Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka 1205 Bangladesh
| | - Newaz Mohammed Bahadur
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University Noakhali Bangladesh
| | - Samina Ahmed
- Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka 1205 Bangladesh
- BCSIR Dhaka Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhaka-1205 Bangladesh
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2
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Zhang ZH, Xu JY, Li T, Gao SR, Yang XL. Bio-electrocatalytic degradation of tetracycline by stainless-steel mesh based molybdenum carbide electrode. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:80520-80531. [PMID: 35723823 DOI: 10.1007/s11356-022-21207-9] [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: 03/19/2022] [Accepted: 05/27/2022] [Indexed: 06/15/2023]
Abstract
In order to treat antibiotic wastewater with high efficiency and low energy consumption, this study proposed the coupling of electrocatalytic degradation and biodegradation, and explored a new modified electrocatalytic material in the coupling system. The stainless-steel mesh based molybdenum carbide (SS-Mo2C) was prepared by a low-cost impregnation method and showed superior electrocatalytic degradation ability for tetracycline (TC) when used as the anode in the electrocatalytic system. The degradation rate of TC with SS-Mo2C anode was 17 times higher than that of stainless-steel (SS) anode, and TC removal efficiency was 77% higher than that of SS anode. The electrocatalytic system prior to the biological reactor was proven to be the optimal coupling method. The external coupling system achieved a significantly higher TC removal (87.0%) than that of the internal coupling system (65.3%) and SS-Mo2C showed an excellent repeatable and stable performance. The fewer and smaller molecular weight intermediates products were observed in bio-electrocatalytic system, especially in the external coupling system. Alpha diversity analysis further confirmed that bio-electrocatalytic system increased the diversity of the microbial community. The stainless-steel mesh based molybdenum carbide (SS-Mo2C), which was prepared by a simple and low-cost impregnation method, significantly improved the electrocatalytic activity of anode, thus contributing to tetracycline removal in the bio-electrocatalytic system, especially in the external coupling system.
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Affiliation(s)
- Zhi-Hao Zhang
- School of Civil Engineering, Southeast University, Dong Nan Da Xue Road 2, Nanjing, 211189, People's Republic of China
| | - Jia-Ying Xu
- School of Civil Engineering, Southeast University, Dong Nan Da Xue Road 2, Nanjing, 211189, People's Republic of China
| | - Tao Li
- School of Civil Engineering, Southeast University, Dong Nan Da Xue Road 2, Nanjing, 211189, People's Republic of China
| | - Shi-Ru Gao
- School of Civil Engineering, Southeast University, Dong Nan Da Xue Road 2, Nanjing, 211189, People's Republic of China
| | - Xiao-Li Yang
- School of Civil Engineering, Southeast University, Dong Nan Da Xue Road 2, Nanjing, 211189, People's Republic of China.
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3
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Ahmadi S, Kalaee M, Moradi O, Nosratinia F, Abdouss M. Synthesis of novel zeolitic imidazolate framework (ZIF-67) – zinc oxide (ZnO) nanocomposite (ZnO@ZIF-67) and potential adsorption of pharmaceutical (tetracycline (TCC)) from water. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132013] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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4
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Dong H, Hu X, Zhang Y, Jiang W, Zhang X. Co/La modified Ti/PbO 2 anodes for chloramphenicol degradation: Catalytic performance and reaction mechanism. CHEMOSPHERE 2021; 285:131568. [PMID: 34710968 DOI: 10.1016/j.chemosphere.2021.131568] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/19/2021] [Accepted: 07/14/2021] [Indexed: 06/13/2023]
Abstract
Chloramphenicol (CAP) is widely used in daily life, and its abuse hurts human health, so a suitable method is needed to solve the problem. In this study, the Ti/PbO2 electrodes prepared by the electroplating method were characterized. The CAP degradation effect and mechanism were investigated. It was shown that the electrode surface had a dense plating with a characteristic peak of β-PbO2 as the active component. The electrode had an oxygen precipitation potential of 1.695 V and a corrosion potential of 0.553 V, and a long service life (505.4 d). The degradation of CAP at Ti/PbO2 electrode followed a first-order kinetic reaction. The optimal degradation conditions (current density of 12.97 mA cm-2, electrolyte concentration of 50 mM, and solution pH of 6.38) were obtained by the response surface curve method. The degradation rate of CAP was 99.0% at 60 min. The results showed that the reactive groups leading to CAP degradation were mainly ·OH and SO42-, and only a tiny portion of CAP was directly oxidized on the electrode surface. The addition of Cl- favored the degradation of CAP, but reduced the mineralization rate. LC-MS analysis showed that ·OH mainly attacked the asymmetric centers (C1, C2) of weakly bound hydrogen atoms, resulting in underwent addition and substitution reactions. CAP was converted into two substances with m/z = 306 and m/z = 165. Finally, inorganic substances such as CO2 and H2O were generated. This study provided a new idea for preparing Ti/PbO2 electrode with high performance and the safe and efficient degradation of CAP.
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Affiliation(s)
- Hao Dong
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China.
| | - Xuyang Hu
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China.
| | - Yinghao Zhang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China.
| | - Wenqiang Jiang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China.
| | - Xuan Zhang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China.
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5
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Chiş V, Vinţeler E. Excitation energies for anionic drugs predicted by PBE0, TPSS and τHCTH density functionals. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Zhou W, Meng X, Gao J, Sun F, Zhao G. Janus graphite felt cathode dramatically enhance the H2O2 yield from O2 electroreduction by the hydrophilicity-hydrophobicity regulation. CHEMOSPHERE 2021; 278:130382. [PMID: 33823343 DOI: 10.1016/j.chemosphere.2021.130382] [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: 02/11/2021] [Revised: 03/21/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
Hydrogen peroxide (H2O2) electrosynthesis from 2-electron O2 reduction reaction (2eORR) is widely regarded as a promising alternative to the current industry-dominant anthraquinone process. Design and fabrication of effective, low-cost carbon-based electrodes is one of the priorities. Many previous work well confirmed that hydrophilic carbon-based electrodes are preferable for 2eORR. Here, we proposed a strategy of hydrophilicity-hydrophobicity regulation. By using commercially available graphite felt (GF) as electrodes, we showed that both hydrophilic GF, hydrophobic GF, and Janus GF yielded significantly higher H2O2 production, which is 7.3 times, 7.6 times, and 7.7 times higher than the original GF, respectively. Results showed that currents and stirring rates affect the H2O2 yields. The enhancement of hydrophilic GF is due to the incorporation of oxygen-containing functional groups, while the hydrophobic and Janus GF comes from the locally confined O2 bubbles, which built a gas-liquid-solid interface inside GF and thus enhance the H2O2 formation kinetics. Finally, the effectiveness of the hydrophilicity-hydrophobicity regulation concept was tested in Electro-Fenton process by removing typical dyes and antibiotics. This work supply an effective but facile strategy to enhance the performance of carbon-based electrodes towards 2eORR by regulating the micro-environment of electrodes.
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Affiliation(s)
- Wei Zhou
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China.
| | - Xiaoxiao Meng
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China.
| | - Jihui Gao
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Fei Sun
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
| | - Guangbo Zhao
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
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7
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Recent Trends in Pharmaceuticals Removal from Water Using Electrochemical Oxidation Processes. ENVIRONMENTS 2021. [DOI: 10.3390/environments8080085] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Nowadays, the research on the environmental applications of electrochemistry to remove recalcitrant and priority pollutants and, in particular, drugs from the aqueous phase has increased dramatically. This literature review summarizes the applications of electrochemical oxidation in recent years to decompose pharmaceuticals that are often detected in environmental samples such as carbamazapine, sulfamethoxazole, tetracycline, diclofenac, ibuprofen, ceftazidime, ciprofloxacin, etc. Similar to most physicochemical processes, efficiency depends on many operating parameters, while the combination with either biological or other physicochemical methods seems particularly attractive. In addition, various strategies such as using three-dimensional electrodes or the electrosynthesis of hydrogen peroxide have been proposed to overcome the disadvantages of electrochemical oxidation. Finally, some guidelines are proposed for future research into the applications of environmental electrochemistry for the degradation of xenobiotic compounds and micropollutants from environmental matrices. The main goal of the present review paper is to facilitate future researchers to design their experiments concerning the electrochemical oxidation processes for the degradation of micropollutants/emerging contaminants, especially, some specific drugs considering, also, the existing limitations of each process.
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8
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Huang C, Ma S, Zong Y, Gu J, Xue J, Wang M. Microwave-assisted synthesis of 3D Bi 2MoO 6 microspheres with oxygen vacancies for enhanced visible-light photocatalytic activity. Photochem Photobiol Sci 2020; 19:1697-1706. [PMID: 33215628 DOI: 10.1039/d0pp00247j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oxygen vacancies (OVs) defects in metal oxide-based photocatalysts play a crucial role in improving the charge carrier separation efficiencies to enhance the photocatalytic performances. In this work, OVs were introduced in 3D Bi2MoO6 microspheres through a facile and fast microwave-assisted method via the modulation of tetramethylethylenediamine (TMEDA). EPR, Raman and XPS results demonstrated that large amounts of oxygen vacancies were formed on the surface of BMO microspheres. The photocatalytic properties of the samples were studied by degradation of tetracycline (TC) under visible light. The optimal Bi2MoO6 with OVs exhibited optimum photocatalytic activity, and the degradation rate was 7.0 times higher than that of pristine Bi2MoO6. This enhancement can be attributed to the 3D structure furnishing more surface active sites and suitable OVs defects favoring the electron-hole separation. Moreover, the defective Bi2MoO6 microspheres exhibit high stability because the photocatalytic activity remains almost unchanged after 5 cycles, making them favorable for practical applications. Finally, a possible visible light photocatalysis mechanism for the degradation of TC was tentatively proposed.
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Affiliation(s)
- Chengjuan Huang
- School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, PR China.
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9
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Behera N, Sethi S. Unprecedented Catalytic Behavior of Uranyl(VI) Compounds in Chemical Reactions. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000611] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Nabakrushna Behera
- School of Chemistry Sambalpur University Jyoti Vihar – 768019 Sambalpur Odisha India
| | - Sipun Sethi
- School of Chemistry Sambalpur University Jyoti Vihar – 768019 Sambalpur Odisha India
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10
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Electrooxidation of tetracycline antibiotic demeclocycline at unmodified boron-doped diamond electrode and its enhancement determination in surfactant-containing media. Talanta 2020; 223:121695. [PMID: 33303147 DOI: 10.1016/j.talanta.2020.121695] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 09/18/2020] [Accepted: 09/21/2020] [Indexed: 11/24/2022]
Abstract
In this paper, for the first time, the study of voltammetric determination of tetracycline antibiotic demeclocycline was conducted. The oxidation of compound was investigated using a commercially available boron-doped diamond electrode pretreated electrochemically (anodic and subsequent cathodic). Addition of anionic surfactant, sodium dodecylsulfate (SDS) and cationic surfactant, cetyltrimethylammonium bromide (CTAB) to the demeclocycline-containing electrolyte solution at pH 2.0 and 9.0, respectively, was found to improve the sensitivity of the stripping voltammetric measurements. Employing square-wave stripping mode (after 30 s accumulation at open-circuit condition) in Britton-Robinson buffer, the limits of detection were found to be 1.17 μg mL-1 (2.3 × 10-6 M) for 4 × 10-4 SDS-containing buffer solution at pH 2, and 0.24 μg mL-1 (4.8 × 10-7 M) for 1 × 10-4 CTAB-containing buffer solution at pH 9.0. The feasibility of the developed approach for the quantification of demeclocycline was tested in urine samples.
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11
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Kim TH, Raiz A, Unni AD, Murhekar S, Donose BC, Floetenmeyer M, Cock IE, Brown CL. Combating Antibiotic-Resistant Gram-Negative Bacteria Strains with Tetracycline-Conjugated Carbon Nanoparticles. ACTA ACUST UNITED AC 2020; 4:e2000074. [PMID: 32803868 DOI: 10.1002/adbi.202000074] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 07/27/2020] [Indexed: 01/26/2023]
Abstract
Nontoxic carbon nanoparticle samples prepared by both bottom-up and top-down approaches do not inhibit Gram-negative bacterial growth, indicating excellent biocompatibilities. However, cell growth inhibitory efficacies increase considerably when the carbon nanoparticles are conjugated with the antibiotic tetracycline. In tetracycline-resistant bacteria, these efficacies can approach tenfold higher activities when compared to tetracycline alone. No structural abnormality such as membrane disruptions is evident in the tested bacterial strains; this is in contrast with other nanocarbon systems such as graphene oxides, carbon nanotubes, and amine-functionalized carbon nanoparticles which do exhibit membrane disruptions. In comparison, the tetracycline-conjugated carbon nanoparticles induce membrane perturbations (but not membrane disruptions), inhibiting bacterial efflux mechanisms. It is proposed that when tetracycline is conjugated to the surface of carbon nanoparticles, it functions to direct the nanoparticles to membrane-associated tetracycline efflux pumps, thereby blocking and subsequently inhibiting their function. The conjugation between biocompatible carbon nanoparticles and subtherapeutic but well-established antibiotic molecules may provide hybrid antibiotic assembly strategies resulting in effective multidrug efflux inhibition for combating antibiotic resistance.
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Affiliation(s)
- Tak H Kim
- Environmental Futures Research Institute, School of Environment and Science, Griffith University, Nathan, QLD, 4111, Australia
| | - Asim Raiz
- School of Environment and Science, Griffith University, Nathan, QLD, 4111, Australia
| | - Aradhana Devi Unni
- School of Environment and Science, Griffith University, Nathan, QLD, 4111, Australia
| | - Shweta Murhekar
- School of Environment and Science, Griffith University, Nathan, QLD, 4111, Australia
| | - Bogdan C Donose
- School of Chemical Engineering, The University of Queensland, St Lucia, QLD, 4067, Australia
| | - Matthias Floetenmeyer
- Centre for Microscopy and Microanalysis, The University of Queensland, St Lucia, QLD, 4067, Australia
| | - Ian E Cock
- Environmental Futures Research Institute, School of Environment and Science, Griffith University, Nathan, QLD, 4111, Australia
| | - Christopher L Brown
- Environmental Futures Research Institute, School of Environment and Science, Griffith University, Nathan, QLD, 4111, Australia
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12
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Recent Trends in Removal Pharmaceuticals and Personal Care Products by Electrochemical Oxidation and Combined Systems. WATER 2020. [DOI: 10.3390/w12041043] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Due to various potential toxicological threats to living organisms even at low concentrations, pharmaceuticals and personal care products in natural water are seen as an emerging environmental issue. The low efficiency of removal of pharmaceuticals and personal care products by conventional wastewater treatment plants calls for more efficient technology. Research on advanced oxidation processes has recently become a hot topic as it has been shown that these technologies can effectively oxidize most organic contaminants to inorganic carbon through mineralization. Among the advanced oxidation processes, the electrochemical advanced oxidation processes and, in general, electrochemical oxidation or anodic oxidation have shown good prospects at the lab-scale for the elimination of contamination caused by the presence of residual pharmaceuticals and personal care products in aqueous systems. This paper reviewed the effectiveness of electrochemical oxidation in removing pharmaceuticals and personal care products from liquid solutions, alone or in combination with other treatment processes, in the last 10 years. Reactor designs and configurations, electrode materials, operational factors (initial concentration, supporting electrolytes, current density, temperature, pH, stirring rate, electrode spacing, and fluid velocity) were also investigated.
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Tong H, Shi B, Zhao S. Facile synthesis of a direct Z-scheme BiOCl–phosphotungstic acid heterojunction for the improved photodegradation of tetracycline. RSC Adv 2020; 10:17369-17376. [PMID: 35521449 PMCID: PMC9053391 DOI: 10.1039/d0ra02396e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 04/20/2020] [Indexed: 12/26/2022] Open
Abstract
A one-step hydrothermal approach for synthesizing BiOCl–phosphotungstic acid (BiOCl–HPW) heterojunctions is proposed. The prepared BiOCl–HPW heterojunction exhibited good stability and photocatalytic activity.
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Affiliation(s)
- Haijuan Tong
- Key Laboratory of Regional Ecological Environment Analysis and Pollution Control of West Guangxi
- College of Chemistry and Environmental Engineering
- Baise University
- Baise 533000
- China
| | - Bingfang Shi
- Key Laboratory of Regional Ecological Environment Analysis and Pollution Control of West Guangxi
- College of Chemistry and Environmental Engineering
- Baise University
- Baise 533000
- China
| | - Shulin Zhao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources
- Guangxi Normal University
- Guilin
- China
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14
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Oladipo AA, Ifebajo AO. Highly efficient magnetic chicken bone biochar for removal of tetracycline and fluorescent dye from wastewater: Two-stage adsorber analysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 209:9-16. [PMID: 29274516 DOI: 10.1016/j.jenvman.2017.12.030] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 12/09/2017] [Accepted: 12/13/2017] [Indexed: 05/04/2023]
Abstract
Magnetic chicken bone biochar (MCB) was fabricated and characterised. The specific surface area, magnetisation value and pHpzc of the MCB were found to be 328 m2 g-1, 64.7 emu/g and 8.3 respectively. The adsorptive performance of MCB for rhodamine B dye (RB) and tetracycline (TC) removal in a single and two-stage stirred adsorber (TSA) was evaluated. The TSA reduced the pressure drops, mass transfer resistances, and fouling of the adsorbent. 63.0 g MCB is required to remove 75% of RB and TC in a single-stage system within 12 h. However, the optimised TSA confirmed that 33.2 g of MCB is needed to achieve 96% removal of TC and 22.2 g for RB within 180 min of 100 mgL-1 effluent solutions. The sorption was suitably described by the Freundlich mechanism. Based on the comparative performance, the MCB is considered a viable efficient and magnetically separable alternative adsorbent.
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Affiliation(s)
- Akeem Adeyemi Oladipo
- Cyprus Science University, Faculty of Engineering, Kyrenia, TRNC via Mersin 10, Turkey.
| | - Ayodeji Olugbenga Ifebajo
- Polymeric Materials Research Laboratory, Chemistry Department, Eastern Mediterranean University, Gazimagusa, TRNC via Mersin 10, Turkey
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Murillo-Sierra JC, Sirés I, Brillas E, Ruiz-Ruiz EJ, Hernández-Ramírez A. Advanced oxidation of real sulfamethoxazole + trimethoprim formulations using different anodes and electrolytes. CHEMOSPHERE 2018; 192:225-233. [PMID: 29102867 DOI: 10.1016/j.chemosphere.2017.10.136] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 10/20/2017] [Accepted: 10/25/2017] [Indexed: 06/07/2023]
Abstract
A commercial sulfamethoxazole + trimethoprim formulation has been degraded in 0.050 M Na2SO4 at pH 3.0 by electrochemical oxidation with electrogenerated H2O2 (EO-H2O2), electro-Fenton (EF), photoelectro-Fenton with a 6-W UVA lamp (PEF) and solar photoelectro-Fenton (SPEF). The tests were performed in an undivided cell with an IrO2-based, Pt or boron-doped diamond (BDD) anode and an air-diffusion cathode for H2O2 electrogeneration. The anode material had little effect on the accumulated H2O2 concentration. Both drugs always obeyed a pseudo-first-order decay with low apparent rate constant in EO-H2O2. Much higher values were found in EF, PEF and SPEF, showing no difference because the main oxidant was always OH formed from Fenton's reaction between H2O2 and added Fe2+. The solution mineralization increased in the sequence EO-H2O2 < EF < PEF < SPEF regardless of the anode. The IrO2-based and Pt anodes behaved similarly but BDD was always more powerful. In SPEF, similar mineralization profiles were found for all anodes because of the rapid removal of photoactive intermediates by sunlight. About 87% mineralization was obtained as maximum for the powerful SPEF with BDD anode. Addition of Cl- enhanced the decay of both drugs due to their quicker reaction with generated active chlorine, but the formation of persistent chloroderivatives decelerated the mineralization process. Final carboxylic acids like oxalic and oxamic were detected, yielding Fe(III) complexes that remained stable in EF with BDD but were rapidly photolyzed in SPEF with BDD, explaining its superior mineralization ability.
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Affiliation(s)
- Juan C Murillo-Sierra
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad, Ciudad Universitaria, San Nicolás de los Garza, Nuevo León, Mexico
| | - Ignasi Sirés
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain
| | - Enric Brillas
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028, Barcelona, Spain.
| | - Edgar J Ruiz-Ruiz
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad, Ciudad Universitaria, San Nicolás de los Garza, Nuevo León, Mexico
| | - Aracely Hernández-Ramírez
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad, Ciudad Universitaria, San Nicolás de los Garza, Nuevo León, Mexico.
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16
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Ren YN, Xu W, Zhou LX, Zheng YQ. Two new uranyl complexes as visible light driven photocatalysts for degradation of tetracycline. Polyhedron 2018. [DOI: 10.1016/j.poly.2017.10.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Ridruejo C, Centellas F, Cabot PL, Sirés I, Brillas E. Electrochemical Fenton-based treatment of tetracaine in synthetic and urban wastewater using active and non-active anodes. WATER RESEARCH 2018; 128:71-81. [PMID: 29091806 DOI: 10.1016/j.watres.2017.10.048] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 10/18/2017] [Accepted: 10/21/2017] [Indexed: 06/07/2023]
Abstract
The electrochemical degradation of tetracaine hydrochloride has been studied in urban wastewater. Treatments in simulated matrix with similar ionic composition as well as in 0.050 M Na2SO4 were comparatively performed. The cell contained an air-diffusion cathode for H2O2 electrogeneration and an anode selected among active Pt, IrO2-based and RuO2-based materials and non-active boron-doped diamond (BDD). Electrochemical oxidation with electrogenerated H2O2 (EO-H2O2), electro-Fenton (EF) and photoelectro-Fenton (PEF) were comparatively assessed at pH 3.0 and constant current density. The pharmaceutical and its byproducts were oxidized by OH formed from water oxidation at the anode surface and in the bulk from Fenton's reaction, which occurred upon addition of 0.50 mM Fe2+ in all media, along with active chlorine originated from the anodic oxidation of Cl- contained in the simulated matrix and urban wastewater. The PEF process was the most powerful treatment regardless of the electrolyte composition, owing to the additional photolysis of intermediates by UVA radiation. The use of BDD led to greater mineralization compared to other anodes, being feasible the total removal of all organics from urban wastewater by PEF at long electrolysis time. Chlorinated products were largely recalcitrant when Pt, IrO2-based or RuO2-based anodes were used, whereas they were effectively destroyed by BDD(OH). Tetracaine decay always obeyed a pseudo-first-order kinetics, being slightly faster with the RuO2-based anode in Cl- media because of the higher amounts of active chlorine produced. Total nitrogen and concentrations of NH4+, NO3-, ClO3-, ClO4- and active chlorine were determined to clarify the behavior of the different electrodes in PEF. Eight intermediates were identified by GC-MS and fumaric and oxalic acids were quantified as final carboxylic acids by ion-exclusion HPLC, allowing the proposal of a plausible reaction sequence for tetracaine mineralization by PEF in Cl--containing medium.
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Affiliation(s)
- Carlota Ridruejo
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Francesc Centellas
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Pere L Cabot
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Ignasi Sirés
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain.
| | - Enric Brillas
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain.
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Flores N, Sirés I, Rodríguez RM, Centellas F, Cabot PL, Garrido JA, Brillas E. Removal of 4-hydroxyphenylacetic acid from aqueous medium by electrochemical oxidation with a BDD anode: Mineralization, kinetics and oxidation products. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2016.07.042] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Guo F, Shi W, Guan W, Huang H, Liu Y. Carbon dots/g-C3N4/ZnO nanocomposite as efficient visible-light driven photocatalyst for tetracycline total degradation. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2016.09.040] [Citation(s) in RCA: 132] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Flores N, Cabot PL, Centellas F, Garrido JA, Rodríguez RM, Brillas E, Sirés I. 4-Hydroxyphenylacetic acid oxidation in sulfate and real olive oil mill wastewater by electrochemical advanced processes with a boron-doped diamond anode. JOURNAL OF HAZARDOUS MATERIALS 2017; 321:566-575. [PMID: 27694020 DOI: 10.1016/j.jhazmat.2016.09.057] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 09/22/2016] [Accepted: 09/23/2016] [Indexed: 06/06/2023]
Abstract
The degradation of 4-hydroxyphenylacetic acid, a ubiquitous component of olive oil mill wastewater (OOMW), has been studied by anodic oxidation with electrogenerated H2O2 (AO-H2O2), electro-Fenton (EF) and photoelectro-Fenton (PEF). Experiments were performed in either a 0.050M Na2SO4 solution or a real OOMW at pH 3.0, using a cell with a boron-doped diamond (BDD) anode and an air-diffusion cathode for H2O2 generation. Hydroxyl radicals formed at the BDD surface from water oxidation in all processes and/or in the bulk from Fenton's reaction between added Fe2+ and generated H2O2 in EF and PEF were the main oxidants. In both matrices, the oxidation ability of the processes increased in the order AO-H2O2<EF<PEF. The superiority of PEF was due to the photolytic action of UVA radiation on photosensitive by-products, as deduced from the quick removal of Fe(III)-oxalate complexes. The effect of current density and organic content on the performance of all treatments was examined. 4-Hydroxyphenylacetic acid decay obeyed a pseudo-first-order kinetics. The PEF treatment of 1.03mM 4-hydroxyphenylacetic acid in 0.050M Na2SO4 allowed 98% mineralization at 360min even at low current density, whereas 80% mineralization and a significant enhancement of biodegradability were achieved with the real OOMW.
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Affiliation(s)
- Nelly Flores
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Pere Lluís Cabot
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Francesc Centellas
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - José Antonio Garrido
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Rosa María Rodríguez
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Enric Brillas
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain.
| | - Ignasi Sirés
- Laboratori d'Electroquímica dels Materials i del Medi Ambient, Departament de Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain.
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Domínguez JR, Muñoz-Peña MJ, González T, Palo P, Cuerda-Correa EM. Parabens abatement from surface waters by electrochemical advanced oxidation with boron doped diamond anodes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:20315-20330. [PMID: 27449015 DOI: 10.1007/s11356-016-7175-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 07/04/2016] [Indexed: 06/06/2023]
Abstract
The removal efficiency of four commonly-used parabens by electrochemical advanced oxidation with boron-doped diamond anodes in two different aqueous matrices, namely ultrapure water and surface water from the Guadiana River, has been analyzed. Response surface methodology and a factorial, composite, central, orthogonal, and rotatable (FCCOR) statistical design of experiments have been used to optimize the process. The experimental results clearly show that the initial concentration of pollutants is the factor that influences the removal efficiency in a more remarkable manner in both aqueous matrices. As a rule, as the initial concentration of parabens increases, the removal efficiency decreases. The current density also affects the removal efficiency in a statistically significant manner in both aqueous matrices. In the water river aqueous matrix, a noticeable synergistic effect on the removal efficiency has been observed, probably due to the presence of chloride ions that increase the conductivity of the solution and contribute to the generation of strong secondary oxidant species such as chlorine or HClO/ClO -. The use of a statistical design of experiments made it possible to determine the optimal conditions necessary to achieve total removal of the four parabens in ultrapure and river water aqueous matrices.
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Affiliation(s)
- Joaquín R Domínguez
- Department of Organic and Inorganic Chemistry. Faculty of Sciences, University of Extremadura, Avda de Elvas S/N., E-06006, Badajoz, Spain
| | - Maria J Muñoz-Peña
- Department of Organic and Inorganic Chemistry. Faculty of Sciences, University of Extremadura, Avda de Elvas S/N., E-06006, Badajoz, Spain
| | - Teresa González
- Department of Organic and Inorganic Chemistry. Faculty of Sciences, University of Extremadura, Avda de Elvas S/N., E-06006, Badajoz, Spain
| | - Patricia Palo
- Department of Organic and Inorganic Chemistry. Faculty of Sciences, University of Extremadura, Avda de Elvas S/N., E-06006, Badajoz, Spain
| | - Eduardo M Cuerda-Correa
- Department of Organic and Inorganic Chemistry. Faculty of Sciences, University of Extremadura, Avda de Elvas S/N., E-06006, Badajoz, Spain.
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Nunes MJ, Monteiro N, Pacheco MJ, Lopes A, Ciríaco L. Ti/β-PbO2 versus Ti/Pt/β-PbO2: Influence of the platinum interlayer on the electrodegradation of tetracyclines. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2016; 51:839-846. [PMID: 27230959 DOI: 10.1080/10934529.2016.1181455] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The behaviors of the electrodes Ti/PbO2 and Ti/Pt/PbO2 as anodes in the electro-oxidation of two antibiotics-tetracycline and oxytetracycline-were evaluated at different applied current densities, to evaluate the influence of the Pt interlayer. In the preparation of the electrodes, the electrodeposited β-PbO2 phase was homogeneous; no Ti or Pt peaks were detected in the diffractograms. The β-PbO2 surface presented significant roughness when deposited over the Pt interlayer, which also conferred significant conductivity to the material. In the electro-oxidation assays, the COD, TOC and absorbance removals increased with the current density due to an increase in the concentration of hydroxyl radicals, for both electrode materials and antibiotics tested. Slightly better results were obtained with Ti/PbO2. The primary differences observed in the antibiotics concentration decay consisted of zero-order kinetics at the Ti/Pt/PbO2 anode and first-order kinetics at the Ti/PbO2 anode with a higher oxytetracycline concentration decay than the tetracycline concentration decay. A greater amount of total nitrogen was eliminated with the Ti/PbO2 electrode. At the Ti/Pt/PbO2 anode, the organic nitrogen primarily transformed into NH4(+) and the total nitrogen remained unchanged. The specific energy consumption with the Ti/Pt/PbO2 anode was significantly lower than the specific energy consumption with the Ti/PbO2 anode due to the higher electrical conductivity of the Ti/Pt/PbO2 anode. Both anode materials were also utilized in the electro-oxidation of a leachate sample collected at sanitary landfill and spiked with tetracycline, and the complete elimination of the antibiotic molecule was observed.
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Affiliation(s)
- Maria João Nunes
- a FibEnTech UBI Research Unit and Department of Chemistry , University of Beira Interior , Covilhã , Portugal
| | - Nuno Monteiro
- a FibEnTech UBI Research Unit and Department of Chemistry , University of Beira Interior , Covilhã , Portugal
| | - Maria José Pacheco
- a FibEnTech UBI Research Unit and Department of Chemistry , University of Beira Interior , Covilhã , Portugal
| | - Ana Lopes
- a FibEnTech UBI Research Unit and Department of Chemistry , University of Beira Interior , Covilhã , Portugal
| | - Lurdes Ciríaco
- a FibEnTech UBI Research Unit and Department of Chemistry , University of Beira Interior , Covilhã , Portugal
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