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Muangmora R, Kemacheevakul P, Chuangchote S. Fiberglass cloth coated by coffee ground waste-derived carbon quantum dots/titanium dioxide composite for removal of caffeine and other pharmaceuticals from water. Heliyon 2023; 9:e17693. [PMID: 37455966 PMCID: PMC10338977 DOI: 10.1016/j.heliyon.2023.e17693] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 07/18/2023] Open
Abstract
Coffee ground waste from the coffee beverage preparation is mainly discarded and consequently ends up in landfill, which cause the contamination of caffeine in various environmental compartments. This study focuses on the upcycling of coffee-ground waste to carbon quantum dots (CQDs) for use as a modifying material to improve the visible light activity of titanium dioxide (TiO2). The CQD solution was synthesized by hydrothermal method, which has an average size of 2.80 ± 0.63 nm. The CQDs/TiO2 photocatalysts were prepared by combining CQD solutions at various amounts with sol-gel TiO2 and then coated on the fiberglass cloths (FGCs). The photocatalytic application mainly focuses on the removal of caffeine from the water. The photocatalytic experiment was preliminary run in a simple batch reactor under visible light. The 5CQDs/TiO2 coated FGC (5 mL of CQD solution/g of Ti-based on sol-gel) showed the best performance, and it was selected for the removal of caffeine and other pharmaceuticals (i.e., carbamazepine and ibuprofen) in the recirculating reactor. The removals of caffeine, carbamazepine, and ibuprofen after irradiation for 9 h were 82%, 88%, and 84%, respectively. The residual concentrations were significantly lower than the reported toxicity levels based on specific species. The changes in total organic carbon were observed, indicating the mineralization of pharmaceuticals in water. The 5CQDs/TiO2 coated FGC showed good flexible performance. No obvious loss of activity was observed for five runs. The actual wastewater from the coffee pot cleaning process was also tested. The removal was 80% for caffeine and 86% for color in the unit of the American Dye Manufacturers Institute (ADMI).
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Affiliation(s)
- Rattana Muangmora
- Department of Environmental Engineering, Faculty of Engineering, King Mongkut′s University of Technology Thonburi, 126 Prachauthit Rd., Bangmod, Thungkru, Bangkok 10140, Thailand
| | - Patiya Kemacheevakul
- Department of Environmental Engineering, Faculty of Engineering, King Mongkut′s University of Technology Thonburi, 126 Prachauthit Rd., Bangmod, Thungkru, Bangkok 10140, Thailand
- Research Center of Advanced Materials for Energy and Environmental Technology (MEET), King Mongkut′s University of Technology Thonburi, 126 Prachauthit Rd., Bangmod, Thungkru, Bangkok 10140, Thailand
- Center of Excellence on Hazardous Substance Management (HSM), Bangkok 10330, Thailand
| | - Surawut Chuangchote
- Research Center of Advanced Materials for Energy and Environmental Technology (MEET), King Mongkut′s University of Technology Thonburi, 126 Prachauthit Rd., Bangmod, Thungkru, Bangkok 10140, Thailand
- Department of Tool and Materials Engineering, Faculty of Engineering, King Mongkut′s University of Technology Thonburi, 126 Prachauthit Rd., Bangmod, Thungkru, Bangkok 10140, Thailand
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Schwarze M, Borchardt S, Frisch ML, Collis J, Walter C, Menezes PW, Strasser P, Driess M, Tasbihi M. Degradation of Phenol via an Advanced Oxidation Process (AOP) with Immobilized Commercial Titanium Dioxide (TiO 2) Photocatalysts. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1249. [PMID: 37049342 PMCID: PMC10097325 DOI: 10.3390/nano13071249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 06/19/2023]
Abstract
Four commercial titanium dioxide (TiO2) photocatalysts, namely P25, P90, PC105, and PC500, were immobilized onto steel plates using a sol-gel binder and investigated for phenol degradation under 365 nm UV-LED irradiation. High-performance liquid chromatography (HPLC) and total organic carbon (TOC) analyses were performed to study the impact of three types of oxygen sources (air, dispersed synthetic air, and hydrogen peroxide) on the photocatalytic performance. The photocatalyst films were stable and there were significant differences in their performance. The best result was obtained with the P90/UV/H2O2 system with 100% degradation and about 70% mineralization within 3 h of irradiation. The operating conditions varied, showing that water quality is crucial for the performance. A wastewater treatment plant was developed based on the lab-scale results and water treatment costs were estimated for two cases of irradiation: UV-LED (about 600 EUR/m3) and sunlight (about 60 EUR/m3). The data show the high potential of immobilized photocatalysts for pollutant degradation under advanced oxidation process (AOP) conditions, but there is still a need for optimization to further reduce treatment costs.
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Affiliation(s)
- Michael Schwarze
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Steffen Borchardt
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Marvin L. Frisch
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Jason Collis
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Carsten Walter
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Prashanth W. Menezes
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
- Materials Chemistry Group for Thin Film Catalysis—CatLab, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489 Berlin, Germany
| | - Peter Strasser
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Matthias Driess
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
| | - Minoo Tasbihi
- Department of Chemistry, Technische Universität Berlin, Straße des 17. Juni 124, 10623 Berlin, Germany
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Keskin CS, Eren B, Özdemir A. Photocatalytic degradation of caffeine using metal ion-modified pillared interlayered clays and H 2O 2 under UV radiation. CHEM ENG COMMUN 2023. [DOI: 10.1080/00986445.2023.2177539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Affiliation(s)
- Can Serkan Keskin
- Faculty of Sciences, Department of Chemistry, Sakarya University, Sakarya, Turkey
| | - Beytullah Eren
- Faculty of Engineering, Department of Environmental Chemistry, Sakarya University, Sakarya, Turkey
| | - Abdil Özdemir
- Faculty of Sciences, Department of Chemistry, Sakarya University, Sakarya, Turkey
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Thirunavukkarasu GK, Gowrisankaran S, Caplovicova M, Satrapinskyy L, Gregor M, Lavrikova A, Gregus J, Halko R, Plesch G, Motola M, Monfort O. Contribution of photocatalytic and Fenton-based processes in nanotwin structured anodic TiO 2 nanotube layers modified by Ce and V. Dalton Trans 2022; 51:10763-10772. [PMID: 35503460 DOI: 10.1039/d2dt00829g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
In the present work, nanotwin structured TiO2 nanotube (TNT) layers are prepared by the electrochemical anodization technique to form the anatase phase and by surface modification via spin-coating of Ce and V precursors to form Ce-TNT and V-TNT, respectively. The surface and cross-sectional images by SEM revealed that the nanotubes have an average diameter of ∼130 nm and a length of ∼14 μm. In addition, the TEM images revealed the nanotwin structures of the nanotubes, especially the anatase (001) and (112) twin surfaces, that increase the transport of photogenerated charges. The photoinduced degradation of caffeine (CAF) by TNT, Ce-TNT, and V-TNT led to a degradation extent of 16%, 26% and 33%, respectively, whereas it increased to 26%, 38%, and 46% in the presence of H2O2, owing to the involvement of Fenton-based processes (in addition to photocatalysis). The effect of the Fenton-based processes accounts for about 10% of the total degradation extent of CAF. Finally, the mechanism of the photoinduced degradation of CAF was investigated. The main oxidative species were the hydroxyl radicals, and the better efficiency of V-TNT over Ce-TNT and TNT was ascribed to its negative surface, thus improving the interactions with CAF.
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Affiliation(s)
- Guru Karthikeyan Thirunavukkarasu
- Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, Mlynska Dolina, 842 15 Bratislava, Slovakia.
| | - Sridhar Gowrisankaran
- Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, Mlynska Dolina, 842 15 Bratislava, Slovakia.
| | - Maria Caplovicova
- STU Center for Nanodiagnostics, Faculty of Materials Science and Technology in Trnava, Slovak University of Technology in Bratislava, Vazovova 5, 812 43 Bratislava, Slovakia
| | - Leonid Satrapinskyy
- Department of Experimental Physics, Faculty of Mathematics Physics and Informatics, Comenius University in Bratislava, Mlynska Dolina, 842 48 Bratislava, Slovakia
| | - Maros Gregor
- Department of Experimental Physics, Faculty of Mathematics Physics and Informatics, Comenius University in Bratislava, Mlynska Dolina, 842 48 Bratislava, Slovakia
| | - Aleksandra Lavrikova
- Division of Environmental Physics, Faculty of Mathematics Physics and Informatics, Comenius University in Bratislava, Mlynska Dolina, 842 48 Bratislava, Slovakia
| | - Jan Gregus
- Department of Experimental Physics, Faculty of Mathematics Physics and Informatics, Comenius University in Bratislava, Mlynska Dolina, 842 48 Bratislava, Slovakia
| | - Radoslav Halko
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, Mlynska Dolina, 842 15 Bratislava, Slovakia
| | - Gustav Plesch
- Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, Mlynska Dolina, 842 15 Bratislava, Slovakia.
| | - Martin Motola
- Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, Mlynska Dolina, 842 15 Bratislava, Slovakia.
| | - Olivier Monfort
- Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovicova 6, Mlynska Dolina, 842 15 Bratislava, Slovakia.
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Razavi FS, Ghanbari D, Salavati-Niasari M. Green synthesis of SrFe 12O 19@Ag and SrFe 12O 19@Au as magnetic plasmonic nanocomposites with high photocatalytic performance for degradation of organic pollutants. CHEMOSPHERE 2022; 291:132741. [PMID: 34736948 DOI: 10.1016/j.chemosphere.2021.132741] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/24/2021] [Accepted: 10/28/2021] [Indexed: 06/13/2023]
Abstract
Magnetic-plasmonic nanocomposites are suitable candidates for photocatalytic activity due to both optical and magnetic properties. So initially, we synthesized strontium hexaferrite nanoparticles (NPs) by three different methods: microwave, sol-gel Pechini, sol-gel auto-combustion, and SrFe12O19@Ag, SrFe12O19@Au core-shell by ultrasound-assisted auto-combustion in the presence of beetroot juice. X-Ray Powder Diffraction (XRD), Fourier Transform Infrared (FT-IR), Energy Dispersive X-Ray (EDX), Field Emission Scanning Electron Microscopy (FE-SEM), Transmission Electron Microscopy (TEM), Brunauer-Emmett-Teller (BET), Diffuse Reflectance Spectroscopy (DRS), and Vibrating Sample Magnetometer (VSM) analyses were utilized to examine their purity, morphology, optical and magnetic properties. The nanoproducts were applied as photocatalysts to degrade the anionic dyes with different chromophores under various visible light sources within 2 h. Among different dyes (mono-azo, diazo, anthraquinone, and triaryl methane), Eosin as a triaryl methane dye had the maximum degradation by SrFe12O19@Ag and SrFe12O19@Au, which are about 95.9%, 93.88%, respectively. Indeed, produced surface plasmon resonance (SPR) electrons by the noble metals facilitate the formation of active radicals to destruct the dyes.
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Affiliation(s)
- Fatemeh Sadat Razavi
- Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan, P.O. Box 87317-51167, Iran
| | - Davood Ghanbari
- Department of Science, Arak University of Technology, Arak, Iran
| | - Masoud Salavati-Niasari
- Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan, P.O. Box 87317-51167, Iran.
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Marinko Ž, Suhadolnik L, Šetina Batič B, Šelih VS, Majaron B, Kovač J, Čeh M. Toward a Flexible and Efficient TiO 2 Photocatalyst Immobilized on a Titanium Foil. ACS OMEGA 2021; 6:23233-23242. [PMID: 34549124 PMCID: PMC8444206 DOI: 10.1021/acsomega.1c02862] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 08/04/2021] [Indexed: 06/13/2023]
Abstract
Titanium foils of different thicknesses were anodized, and the photocatalytic activity of the resulting TiO2 nanotube (NT) layers was determined. All of the titanium foils were anodized simultaneously under identical experimental conditions to avoid the influence of the aging of the anodizing electrolyte and other anodization parameters, such as voltage, time, and temperature. To characterize the microstructures of the titanium foils, we used electron backscatter diffraction (EBSD), scanning electron microscopy (SEM), and stylus profilometry analyses. The adhesion was tested with a Scotch tape test and the morphology of the TiO2 NTs was studied in detail using the SEM technique, while the surface areas of the TiO2 NTs were determined using a three-dimensional (3D) optical interference profilometer. With X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), the chemical composition and structure of TiO2 oxide were established. The degradation of caffeine under UV irradiation was measured with a high-precision UV-vis-IR spectrophotometer, and the photoluminescence method was used to confirm the photocatalytic behavior of the TiO2 NT layers. The influence of the intrinsic properties, including twinning and the grain boundaries of the starting titanium foils with similar chemical compositions, was determined and explained. Finally, we identified the main characteristics that define a highly effective and flexible photocatalyst.
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Affiliation(s)
- Živa Marinko
- Department
for Nanostructured Materials, Jožef
Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
- Jozef
Stefan International Postgraduate School, Jamova 39, 1000 Ljubljana, Slovenia
| | - Luka Suhadolnik
- Department
for Nanostructured Materials, Jožef
Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
| | - Barbara Šetina Batič
- Vacuum
Science and Optoelectronics, Institute of
Metals and Technology, Lepi pot 11, 1000 Ljubljana, Slovenia
| | - Vid Simon Šelih
- Center
for Validation Tehnologies and Analytics & Department of Analytical
Chemistry, National Institute of Chemistry, Hajdrihova 19, 1001 Ljubljana, Slovenia
| | - Boris Majaron
- Department
of Complex Matter, Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
- Faculty
of
Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia
| | - Janez Kovač
- Department
of Surface Engineering, Jožef Stefan
Institute, Jamova 39, 1000 Ljubljana, Slovenia
| | - Miran Čeh
- Department
for Nanostructured Materials, Jožef
Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
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