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Hu Z, Tang X, Ma X, Guo SQ, Zhen M, Ning J, Xu S, Shen B. Development of natural attapulgite derived ferromanganese spinel oxides as heterogeneous catalysts for persulfate activation of tetracycline degradation. CHEMOSPHERE 2024; 352:141428. [PMID: 38340999 DOI: 10.1016/j.chemosphere.2024.141428] [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: 09/07/2023] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
Ferromanganese spinel oxides (MnFe2O4, MFO) have been proven effective in activating persulfate for pollutants removal. However, their inherent high surface energy often leads to agglomeration, diminishing active sites and consequently restricting catalytic performance. In this study, using Al-MCM-41 (MCM) mesoporous molecular sieves derived from natural attapulgite as a support, the MFO/MCM composite was synthesized through dispersing MnFe2O4 nanoparticles on MCM carrier by a simple hydrothermal method, which can effectively activate persulfate (PS) to degrade Tetracycline (TC). The addition of Al-MCM-41 can effectively improve the specific surface area and adsorption performance of MnFe2O4, but also reduce the leaching amount of metal ions. The MFO/MCM composite exhibited superior catalytic reactivity towards PS and 84.3% removal efficiency and 64.7% mineralization efficiency of TC (20 mg/L) was achieved in 90 min under optimized conditions of 0.05 mg/L catalyst dosage, 5 mM PS concentration, room temperature and no adjustment of initial pH. The effects of various stoichiometric MFO/MCM ratio, catalyst dosage, PS concentration, initial pH value and co-existing ions on the catalytic performance were investigated in detail. Moreover, the possible reaction mechanism in MFO-MCM/PS system was proposed based on the results of quenching tests, electron paramagnetic resonance (EPR) and XPS analyses. Finally, major degradation intermediates of TC were detected by liquid chromatography mass spectrometry technologies (LC-MS) and four possible degradation pathways were proposed. This study enhances the design approach for developing highly efficient, environmentally friendly and low-cost catalysts for the advanced treatment process of antibiotic wastewater.
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Affiliation(s)
- Zhenzhong Hu
- Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China; Tianjin Key Laboratory of Clean Energy and Pollutant Control, Tianjin 300401, China; School of Energy and Environmental Engineering, Hebei University of Technology, China
| | - Xuejing Tang
- Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China; Tianjin Key Laboratory of Clean Energy and Pollutant Control, Tianjin 300401, China; School of Energy and Environmental Engineering, Hebei University of Technology, China
| | - Xiaojia Ma
- Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China; Tianjin Key Laboratory of Clean Energy and Pollutant Control, Tianjin 300401, China; School of Energy and Environmental Engineering, Hebei University of Technology, China
| | - Sheng-Qi Guo
- Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China; Tianjin Key Laboratory of Clean Energy and Pollutant Control, Tianjin 300401, China; School of Energy and Environmental Engineering, Hebei University of Technology, China
| | - Mengmeng Zhen
- Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China; Tianjin Key Laboratory of Clean Energy and Pollutant Control, Tianjin 300401, China; School of Energy and Environmental Engineering, Hebei University of Technology, China.
| | - Jingxia Ning
- Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China; Tianjin Key Laboratory of Clean Energy and Pollutant Control, Tianjin 300401, China; School of Energy and Environmental Engineering, Hebei University of Technology, China
| | - Sheng Xu
- Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China; Tianjin Key Laboratory of Clean Energy and Pollutant Control, Tianjin 300401, China; School of Energy and Environmental Engineering, Hebei University of Technology, China
| | - Boxiong Shen
- Hebei Engineering Research Center of Pollution Control in Power System, Tianjin 300401, China; Tianjin Key Laboratory of Clean Energy and Pollutant Control, Tianjin 300401, China; School of Energy and Environmental Engineering, Hebei University of Technology, China.
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Ahmed AM, Nasser N, Rafea MA, Abukhadra MR. Effective retention of cesium ions from aqueous environment using morphologically modified kaolinite nanostructures: experimental and theoretical studies. RSC Adv 2024; 14:3104-3121. [PMID: 38249663 PMCID: PMC10797332 DOI: 10.1039/d3ra08490f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 01/11/2024] [Indexed: 01/23/2024] Open
Abstract
Kaolinite can undergo a controlled morphological modification process into exfoliated nanosilicate sheets (EXK) and silicate nanotubes (KNTs). The modified structures were assessed as potential effective adsorbents for the retention of Cs+ ions. The impact of the modification process on the retention properties was assessed based on conventional and advanced equilibrium studies, considering the related steric and energetic functions. The synthetic KNTs exhibit a retention capacity of 249.7 mg g-1 as compared to EXK (199.8 mg g-1), which is significantly higher than raw kaolinite (73.8 mg g-1). The kinetic modeling demonstrates the high effectiveness of the pseudo-first-order kinetic model (R2 > 0.9) to illustrate the sequestration reactions of Cs+ ions by K, EXK, and KNTs. The enhancement effect of the modification processes can be illustrated based on the statistical investigations. The presence of active and vacant receptors enhanced greatly from 19.4 mg g-1 for KA to 40.8 mg g-1 for EXK and 46.9 mg g-1 for KNTs at 298 K. This validates the significant impact of the modification procedures on the specific surface area, reaction interface, and reacting chemical groups' exposure. This also appeared in the enhancement of the reactivity of their surfaces to be able to uptake 10 Cs+ ions by KNTs and 5 ions by EXK as compared to 4 ions by kaolinite. The thermodynamic and energetic parameters (Gaussian energy < 8.6 kJ mol-1; uptake energy < 40 kJ mol-1) show that the physical processes are dominant, which have spontaneous and exothermic properties. The synthetic EXK and KNT structures validate the high elimination performance of the retention of Cs+ either in the existence of additional anions or cations.
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Affiliation(s)
- Ashour M Ahmed
- Physics Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU) Riyadh 11623 Kingdom of Saudi Arabia
- Nanophotonics and Applications Lab, Physics Department, Faculty of Science, Beni-Suef University Beni-Suef 62514 Egypt
| | - Nourhan Nasser
- Geology Department, Faculty of Science, Beni-Suef University Beni Suef City Egypt +20-1288447189
- Materials Technologies and Their Applications Lab, Faculty of Science, Beni-Suef University Beni Suef City Egypt
| | - M Abdel Rafea
- Physics Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU) Riyadh 11623 Kingdom of Saudi Arabia
| | - Mostafa R Abukhadra
- Geology Department, Faculty of Science, Beni-Suef University Beni Suef City Egypt +20-1288447189
- Materials Technologies and Their Applications Lab, Faculty of Science, Beni-Suef University Beni Suef City Egypt
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Abd-Elhamid AI, Abu Elgoud EM, Aly HF. Synthesis of Prussian blue-embedded magnetic micro hydrogel for scavenging of cesium from aqueous solutions; Batch and dynamic investigations. Int J Biol Macromol 2024; 254:126864. [PMID: 37703986 DOI: 10.1016/j.ijbiomac.2023.126864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 08/29/2023] [Accepted: 09/09/2023] [Indexed: 09/15/2023]
Abstract
A magnetic micro porous structure composite based on alginate and Prussian blue (M-SA-PB) was simply prepared for cesium removal from the aqueous solutions. The gelation and formation of PB proceeded through the same step, which made the PB homogenously distributed and firmly attached to the alginate matrix. The homogenizer was applied to break down the bulky gel structure into micro-ones, and the lyophilizer will provide the porous structure. Batch cesium sorption experiments showed that the adsorption kinetics and isotherms were attributed to the pseudo-second-order model and Langmuir isotherm. Moreover, the Cs-ion is favorably adsorbed on the M-SA-PB composite surface as a monolayer towards Cs, with a maximum adsorption capacity reach of 191.0 mg/g. Furthermore, the M-SA-PB adsorbent showed excellent adsorption selectivity of Cs from multiple-ion solutions. Our work was extended to use the M-SA-PB composite in dynamic cesium sorption. The column studies showed that the removal efficiency of Cs+ increased with increasing bed depth as well as the initial cesium concentration. Finally, as previously mentioned, the M-SA-PB could be considered an excellent Cs+ scavenger employing both batch and dynamic approaches, which makes it a promising adsorbent for practical investigations.
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Affiliation(s)
- A I Abd-Elhamid
- Composites and Nanostructured Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg Al-Arab 21934, Alexandria, Egypt
| | - E M Abu Elgoud
- Nuclear Fuel Chemistry Department, Hot Laboratories Center, Egyptian Atomic Energy Authority, 13759, Egypt.
| | - H F Aly
- Nuclear Fuel Chemistry Department, Hot Laboratories Center, Egyptian Atomic Energy Authority, 13759, Egypt
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Guo J, Wang Z, Zhang G, Liu S, Dong L, Gu P, Hou L. Rapid and effective removal of strontium ions from aqueous solutions by a novel layered metal sulfide NaTS-2. J Radioanal Nucl Chem 2023. [DOI: 10.1007/s10967-023-08850-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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Sopapan P, Lamdab U, Akharawutchayanon T, Issarapanacheewin S, Yubonmhat K, Silpradit W, Katekaew W, Prasertchiewchan N. Effective removal of non-radioactive and radioactive cesium from wastewater generated by washing treatment of contaminated steel ash. NUCLEAR ENGINEERING AND TECHNOLOGY 2022. [DOI: 10.1016/j.net.2022.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Jiang C, Ni J, Jin GP. Magnetic potassium cobalt hexacyanoferrate nanocomposites for efficient adsorption of rubidium in solution. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zhang X, Du T, Jia H. Efficient Activation of Coal Fly Ash for Silica and Alumina Leaches and the Dependence of Pb(II) Removal Capacity on the Crystallization Conditions of Al-MCM-41. Int J Mol Sci 2021; 22:6540. [PMID: 34207149 PMCID: PMC8233738 DOI: 10.3390/ijms22126540] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/10/2021] [Accepted: 06/15/2021] [Indexed: 02/01/2023] Open
Abstract
In this study, four different coal fly ashes (CFAs) were used as raw materials of silica and alumina for the preparation of the alumina-containing Mobil Composition of Matter No. 41 (Al-MCM-41) and the exploration of an activation strategy that is efficient and universal for various CFAs. Alkaline hydrothermal and alkaline fusion activations proceeded at different temperatures to determine the best treatment parameters. We controlled the pore structure and surface hydroxyl density of the CFA-derived Al-MCM-41 by changing the crystallization temperature and aging time. The products were characterized by small-angle X-ray diffraction, nitrogen isotherms, Fourier-transform infrared spectroscopy, 29Si silica magic-angle spinning nuclear magnetic resonance, and transmission electron microscopy, and they were then grafted with thiol groups to remove Pb(II) from aqueous solutions. This paper innovatively evaluates the CFA activation strategies using energy consumption analysis and determines the optimal activation methodology and parameters. This paper also unveils the effect of the crystallization condition of Al-MCM-41 on its subsequent Pb(II) removal capacity. The results show that the appropriate selection of crystallization parameters can considerably increase the removal capacity over Pb(II), providing a new path to tackle the ever-increasing concern of aquic heavy-metal pollution.
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Affiliation(s)
- Xu Zhang
- State Environmental Protection Key Laboratory of Eco-Industry, Northeastern University, Shenyang 110819, China; (X.Z.); (H.J.)
- Simulation Center, Shenyang Institute of Engineering, Shenyang 110136, China
| | - Tao Du
- State Environmental Protection Key Laboratory of Eco-Industry, Northeastern University, Shenyang 110819, China; (X.Z.); (H.J.)
| | - He Jia
- State Environmental Protection Key Laboratory of Eco-Industry, Northeastern University, Shenyang 110819, China; (X.Z.); (H.J.)
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