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Li K, Wang L, Zhang L. Screening diluents to optimize cesium contaminant separation using t-BAMBP extractant. JOURNAL OF HAZARDOUS MATERIALS 2024; 477:135410. [PMID: 39098200 DOI: 10.1016/j.jhazmat.2024.135410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 06/30/2024] [Accepted: 08/01/2024] [Indexed: 08/06/2024]
Abstract
The widespread use of nuclear energy has raised concerns about nuclear safety and radioactive waste management, particularly due to the release of radioactive cesium. This study investigates the use of t-BAMBP (4-tert-butyl-2-(α-methylbenzyl) phenol) for the extraction and separation of cesium from simulate high concentration cesium containing wastewater, focusing on the selection of suitable diluents to enhance the efficiency of the process. We performed a systematic study using density functional theory (DFT) calculations to evaluate the intrinsic properties and interactions of various common diluents with t-BAMBP. The diluents studied include aromatic hydrocarbons (benzene, toluene, xylene), alkanes (cyclohexane, hexane, heptane), and alcohols (hexanol, octanol). Our computational results revealed that cyclohexane is the most suitable diluent due to its moderate solvation-free energy, high nonpolarity, and optimal balance between solubility and reactivity. Experimental validation confirmed the computational findings. The cyclohexane-diluted t-BAMBP system achieved the highest cesium extraction efficiency of over 94 %, with a separation factor (βCs/K) of 767.67. Cyclohexane demonstrated the lowest toxicity and cost among the diluents evaluated, making it a safer and more economical choice for practical applications. The results of this study provide a comprehensive theoretical and experimental basis for the selection of diluents in the t-BAMBP extraction system, offering insights for the sustainable utilization of cesium resources and effective management of radioactive waste.
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Affiliation(s)
- Kaizhong Li
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan 410083, China
| | - Li Wang
- College of Vanadium and Titanium, Panzhihua University, Sichuan 617000, China.
| | - Lei Zhang
- School of Physics and Materials Science, Nanchang University, Nanchang 330031, China.
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2
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Ammar A, Nouira A, El Mouridi Z, Boughribil S. Recent trends in the phytoremediation of radionuclide contamination of soil by cesium and strontium: Sources, mechanisms and methods: A comprehensive review. CHEMOSPHERE 2024; 359:142273. [PMID: 38750727 DOI: 10.1016/j.chemosphere.2024.142273] [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: 02/23/2024] [Revised: 05/03/2024] [Accepted: 05/05/2024] [Indexed: 05/19/2024]
Abstract
This comprehensive review examines recent trends in phytoremediation strategies to address soil radionuclide contamination by cesium (Cs) and strontium (Sr). Radionuclide contamination, resulting from natural processes and nuclear-related activities such as accidents and the operation of nuclear facilities, poses significant risks to the environment and human health. Cs and Sr, prominent radionuclides involved in nuclear accidents, exhibit chemical properties that contribute to their toxicity, including easy uptake, high solubility, and long half-lives. Phytoremediation is emerging as a promising and environmentally friendly approach to mitigate radionuclide contamination by exploiting the ability of plants to extract toxic elements from soil and water. This review focuses specifically on the removal of 90Sr and 137Cs, addressing their health risks and environmental implications. Understanding the mechanisms governing plant uptake of radionuclides is critical and is influenced by factors such as plant species, soil texture, and physicochemical properties. Phytoremediation not only addresses immediate contamination challenges but also provides long-term benefits for ecosystem restoration and sustainable development. By improving soil health, biodiversity, and ecosystem resilience, phytoremediation is in line with global sustainability goals and environmental protection initiatives. This review aims to provide insights into effective strategies for mitigating environmental hazards associated with radionuclide contamination and to highlight the importance of phytoremediation in environmental remediation efforts.
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Affiliation(s)
- Ayyoub Ammar
- Laboratory of Virology, Microbiology, Quality and Biotechnology /Eco-toxicology and Biodiversity (LVMQB/EB), Faculty of Sciences and Techniques Mohammedia, University Hassan II, Casablanca, Morocco; National Center for Energy, Sciences, and Nuclear Techniques (CNESTEN), Rabat, Morocco; Laboratory of Environment and Conservation of Natural Resources, National Institute of Agronomique Research (INRA), Rabat, Morocco.
| | - Asmae Nouira
- National Center for Energy, Sciences, and Nuclear Techniques (CNESTEN), Rabat, Morocco
| | - Zineb El Mouridi
- Laboratory of Environment and Conservation of Natural Resources, National Institute of Agronomique Research (INRA), Rabat, Morocco
| | - Said Boughribil
- Laboratory of Virology, Microbiology, Quality and Biotechnology /Eco-toxicology and Biodiversity (LVMQB/EB), Faculty of Sciences and Techniques Mohammedia, University Hassan II, Casablanca, Morocco
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3
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Li F, Luo CY, Wen YZ, Lv S, Zeng GQ, Liu XH, Xiong C. Simulation and calibration of radiation monitoring of nuclear power plant containment sump waste liquid. Appl Radiat Isot 2024; 208:111311. [PMID: 38593592 DOI: 10.1016/j.apradiso.2024.111311] [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: 11/05/2023] [Revised: 03/29/2024] [Accepted: 03/31/2024] [Indexed: 04/11/2024]
Abstract
Waste liquid stored in the containment sumps of nuclear power plants may contain a variety of radionuclides. Real-time monitoring of containment sump waste liquid can ensure that accidents, such as leakage of cooling water, can be avoided. This paper presents the design of a radioactive monitoring system for waste liquid in a containment sump. The detector and the lead-shield in the measurement unit are optimized through Monte Carlo simulations. Experimental verification showed that the background count rate of the measurement chamber in the system was 418.3 cps, and the detection limit of the detection system was 3.01 Bq/L. Distinct gamma-ray characteristic peaks were also observable, demonstrating the system's ability to identify radioactive nuclides in the waste.
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Affiliation(s)
- Fei Li
- College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu, 610000, China; Applied Nuclear Technology in Geosciences Key Laboratory of Sichuan Province (Chengdu University of Technology), Chengdu, 610000, China
| | - Chu-Yang Luo
- College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu, 610000, China
| | - Ying-Zi Wen
- College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu, 610000, China
| | - Sheng Lv
- College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu, 610000, China
| | - Guo-Qiang Zeng
- College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu, 610000, China; Applied Nuclear Technology in Geosciences Key Laboratory of Sichuan Province (Chengdu University of Technology), Chengdu, 610000, China.
| | - Xiao-Hui Liu
- College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu, 610000, China; Applied Nuclear Technology in Geosciences Key Laboratory of Sichuan Province (Chengdu University of Technology), Chengdu, 610000, China.
| | - Chao Xiong
- Data Recovery Key Laboratory of Sichuan Province, Neijiang Normal University, Neijiang, 641100, China
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4
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Jun BM, Chae SH, Kim D, Jung JY, Kim TJ, Nam SN, Yoon Y, Park C, Rho H. Adsorption of uranyl ion on hexagonal boron nitride for remediation of real U-contaminated soil and its interpretation using random forest. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:134072. [PMID: 38522201 DOI: 10.1016/j.jhazmat.2024.134072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/09/2024] [Accepted: 03/16/2024] [Indexed: 03/26/2024]
Abstract
Acid leaching has been widely applied to treat contaminated soil, however, it contains several inorganic pollutants. The decommissioning of nuclear power plants introduces radioactive and soluble U(VI), a substance posing chemical toxicity to humans. Our investigation sought to ascertain the efficacy of hexagonal boron nitride (h-BN), an highly efficient adsorbent, in treating U(VI) in wastewater. The adsorption equilibrium of U(VI) by h-BN reached saturation within a mere 2 h. The adsorption of U(VI) by h-BN appears to be facilitated through electrostatic attraction, as evidenced by the observed impact of pH variations, acidic agents (i.e., HCl or H2SO4), and the presence of background ions on the adsorption performance. A reusability test demonstrated the successful completion of five cycles of adsorption/desorption, relying on the surface characteristics of h-BN as influenced by solution pH. Based on the experimental variables of initial U(VI) concentration, exposure time, temperature, pH, and the presence of background ions/organic matter, a feature importance analysis using random forest (RF) was carried out to evaluate the correlation between performances and conditions. To the best of our knowledge, this study is the first attempt to conduct the adsorption of U(VI) generated from real contaminated soil by h-BN, followed by interpretation of the correlation between performance and conditions using RF. Lastly, a. plausible adsorption mechanism between U(VI) and h-BN was explained based on the experimental results, characterizations, and a. comparison with previous adsorption studies on the removal of heavy metals by h-BN.
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Affiliation(s)
- Byung-Moon Jun
- Radwaste Management Center, Korea Atomic Energy Research Institute (KAERI), 111 Daedeok-Daero 989beon-gil, Yuseong-Gu, Daejeon 34057, Republic of Korea
| | - Sung Ho Chae
- Center for Water Cycle Research, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Deokhwan Kim
- Department of Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT), 283 Goyang-Daero, Ilsanseo-Gu, Goyang-si, Gyeonggi-do 10223, Republic of Korea; Department of Civil and Environment Engineering, University of Science and Technology (UST), 217 Gajeong-Ro, Yuseong-Gu, Daejeon 34113, Republic of Korea
| | - Jun-Young Jung
- Radwaste Management Center, Korea Atomic Energy Research Institute (KAERI), 111 Daedeok-Daero 989beon-gil, Yuseong-Gu, Daejeon 34057, Republic of Korea
| | - Tack-Jin Kim
- Radwaste Management Center, Korea Atomic Energy Research Institute (KAERI), 111 Daedeok-Daero 989beon-gil, Yuseong-Gu, Daejeon 34057, Republic of Korea
| | - Seong-Nam Nam
- Department of Chemical and Environmental Science, Korea Army Academy, Yeong-Cheon 495 Hoguk-ro, Gokyeong-myeon, Yeongcheon-si, Gyeongsangbuk-do, Republic of Korea
| | - Yeomin Yoon
- Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
| | - Chanhyuk Park
- Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
| | - Hojung Rho
- Department of Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT), 283 Goyang-Daero, Ilsanseo-Gu, Goyang-si, Gyeonggi-do 10223, Republic of Korea; Department of Civil and Environment Engineering, University of Science and Technology (UST), 217 Gajeong-Ro, Yuseong-Gu, Daejeon 34113, Republic of Korea.
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Lim SG, Oh CY, Kim SH, Ra K, Cha M, Yoon JH. Freshwater Recovery and Removal of Cesium and Strontium from Radioactive Wastewater by Methane Hydrate Formation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:6170-6180. [PMID: 38501927 DOI: 10.1021/acs.est.3c10587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
As human society has advanced, nuclear energy has provided energy security while also offering low carbon emissions and reduced dependence on fossil fuels, whereas nuclear power plants have produced large amounts of radioactive wastewater, which threatens human health and the sustainability of water resources. Here, we demonstrate a hydrate-based desalination (HBD) technology that uses methane as a hydrate former for freshwater recovery and for the removal of radioactive chemicals from wastewater, specifically from Cs- and Sr-containing wastewater. The complete exclusion of radioactive ions from solid methane hydrates was confirmed by a close examination using phase equilibria, spectroscopic investigations, thermal analyses, and theoretical calculations, enabling simultaneous freshwater recovery and the removal of radioactive chemicals from wastewater by the methane hydrate formation process described in this study. More importantly, the proposed HBD technology is applicable to radioactive wastewater containing Cs+ and Sr2+ across a broad concentration range of low percentages to hundreds of parts per million (ppm) and even subppm levels, with high removal efficiency of radioactive chemicals. This study highlights the potential of environmentally sustainable technologies to address the challenges posed by radioactive wastewater generated by nuclear technology, providing new insights for future research and development efforts.
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Affiliation(s)
- Sol Geo Lim
- Department of Convergence Study on Ocean Science and Technology, Ocean Science and Technology (OST) School, Korea Maritime and Ocean University, Busan 49112, Korea
| | - Chang Yeop Oh
- Department of Convergence Study on Ocean Science and Technology, Ocean Science and Technology (OST) School, Korea Maritime and Ocean University, Busan 49112, Korea
| | - Sun Ha Kim
- Western Seoul Center, Korea Basic Science Institute (KBSI), Seoul 03759, Korea
| | - Kongtae Ra
- Marine Environmental Research Center, Korea Institute of Ocean Science and Technology (KIOST), Busan 49111, Korea
| | - Minjun Cha
- Department of Energy and Resources Engineering, Kangwon National University, Kangwon 24341, Korea
| | - Ji-Ho Yoon
- Department of Convergence Study on Ocean Science and Technology, Ocean Science and Technology (OST) School, Korea Maritime and Ocean University, Busan 49112, Korea
- Department of Energy and Resources Engineering, Korea Maritime and Ocean University, Busan 49112, Korea
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6
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Park EA, Kim TY, Son JS, Lee SY. Kapok fiber composites minimizing secondary waste and disposal costs for large-scale radioactive liquid treatment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 357:120851. [PMID: 38581894 DOI: 10.1016/j.jenvman.2024.120851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 03/30/2024] [Accepted: 04/03/2024] [Indexed: 04/08/2024]
Abstract
Conventional liquid treatments for large-scale, low-level radioactive wastewater, such as ion exchange and waste solidification, face challenges due to the large amounts of secondary waste and high disposal costs. A new large-scale decontamination method is proposed that uses kapok fiber composites for rapid radionuclide adsorption and high volume reduction to minimize secondary waste. The composite consists of natural zeolite and kapok holocellulose, which has high water-soaking ability and low-temperature pyrolysis. The kapok composites, fabricated using a commercial wet-laid nonwoven manufacturing process, absorbs 99% of low-level radioactive cesium in 20 min, reducing the volume by 98% and the weight by 47% at 300 °C. The low-temperature pyrolysis process below 300 °C prevents cesium desorption and gasification by avoiding zeolite destruction. The mass-producible kapok composites can be used for adsorbing various radionuclides in large-scale wastewater by attaching specific adsorbents for target isotopes to the composites.
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Affiliation(s)
- Eun Ae Park
- Department of Mechanical Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul, Republic of Korea
| | - Tae Yoon Kim
- Department of Biomedical Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul, Republic of Korea
| | - Jun Sik Son
- Korea Textile Development Institute, Kukchaebosang-ro 136, Seo-gu, Daegu, Republic of Korea
| | - Seung-Yop Lee
- Department of Mechanical Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul, Republic of Korea; Department of Biomedical Engineering, Sogang University, Baekbeom-ro 35, Mapo-gu, Seoul, Republic of Korea.
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7
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Lim SG, Oh CY, Kim SH, Ra K, Yoon JH. CO 2 competes with radioactive chemicals for freshwater recovery: Hydrate-based desalination. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132812. [PMID: 37879276 DOI: 10.1016/j.jhazmat.2023.132812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 10/27/2023]
Abstract
Here, we introduce CO2 hydrate-based desalination (CHBD) technology for freshwater recovery from radioactive wastewater, for water particularly containing Cs and Sr. The hydrate equilibrium curves of CO2 hydrates shift towards lower temperature and higher pressure regions as the concentrations of CsCl and SrCl2 increase. X-ray diffraction and Raman spectroscopy measurements found that neither CsCl nor SrCl2 can affect the structure of CO2 hydrates. The high-pressure micro-differential scanning calorimetric results demonstrate that CO2 hydrates in the presence of CsCl and SrCl2 started to dissociate at lower temperatures due to the enrichment of CsCl and SrCl2 in the remaining solutions. The formation kinetics results indicate that increases in the concentrations of the radioactive chemicals lead to a decrease in the initial reaction rate and sub-cooling temperature. Solid-state nuclear magnetic resonance spectroscopy was utilized to confirm the exclusion of radioactive isotopes from solid gas hydrates. Importantly, the CHBD technology proposed in this study is applicable to radioactive wastewater containing Cs+ and Sr2+ across broad concentration ranges, spanning from a percent to hundreds of parts per million (ppm), and even sub-ppm levels, with comparable recovery efficiency. This study presents new insights into the potential of environmentally sustainable technologies to overcome the challenges posed by radioactive wastewater.
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Affiliation(s)
- Sol Geo Lim
- Department of Convergence Study on Ocean Science and Technology, Ocean Science and Technology (OST) School, Korea Maritime and Ocean University, Busan 49112, South Korea
| | - Chang Yeop Oh
- Department of Convergence Study on Ocean Science and Technology, Ocean Science and Technology (OST) School, Korea Maritime and Ocean University, Busan 49112, South Korea
| | - Sun Ha Kim
- Western Seoul Center, Korea Basic Science Institute (KBSI), Seoul 03759, South Korea
| | - Kongtae Ra
- Marine Environmental Research Center, Korea Institute of Ocean Science and Technology (KIOST), Busan 49111, South Korea
| | - Ji-Ho Yoon
- Department of Convergence Study on Ocean Science and Technology, Ocean Science and Technology (OST) School, Korea Maritime and Ocean University, Busan 49112, South Korea; Department of Energy and Resources Engineering, Korea Maritime and Ocean University, Busan 49112, South Korea.
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8
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Lujanienė G, Novikau R, Karalevičiūtė K, Pakštas V, Talaikis M, Levinskaitė L, Selskienė A, Selskis A, Mažeika J, Jokšas K. Chitosan-minerals-based composites for adsorption of caesium, cobalt and europium. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132747. [PMID: 37837775 DOI: 10.1016/j.jhazmat.2023.132747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/18/2023] [Accepted: 10/07/2023] [Indexed: 10/16/2023]
Abstract
Currently, there is a growing interest in the use of natural materials in various fields of science, technology and environmental protection due to their availability, low-cost, non-toxicity and biodegradability. Chitosan, natural clay of local origin, montmorillonite, zeolite, cross-linking agents (epichlorohydrin, sodium tripolyphosphate, glutaraldehyde) and plasticisers (glycerol) were used to synthesise composites. The composites were characterised by attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), X-ray diffraction analysis (XRD) and scanning electron microscope (SEM), tested for their antibacterial activity and used in batch experiments to study the adsorption of caesium, cobalt and europium ions. The maximum capacities for adsorption of caesium, cobalt and europium on the composites were 1400 mg/g, 900 mg/g and 18 mg/g, respectively. The experimental data fit better the Langmuir isotherm model and indicate favourable monolayer adsorption of Cs+, Co2+ and Eu3+ at homogeneous sites of the composites. The experimental data were in better agreement with the pseudo-second-order non-linear kinetic model for most elements and adsorbents. Adaptive neuro-fuzzy inference system proved to be a practical tool with good performance and generalisation capability for predicting the adsorption capacity of composites for caesium, cobalt, and europium ions. It was found that the predicted data were very close to the experimental data.
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Affiliation(s)
- Galina Lujanienė
- Center for Physical Sciences and Technology (FTMC), Savanorių Str. 231, LT-02300 Vilnius, Lithuania.
| | - Raman Novikau
- Center for Physical Sciences and Technology (FTMC), Savanorių Str. 231, LT-02300 Vilnius, Lithuania
| | - Karolina Karalevičiūtė
- Center for Physical Sciences and Technology (FTMC), Savanorių Str. 231, LT-02300 Vilnius, Lithuania
| | - Vidas Pakštas
- Center for Physical Sciences and Technology (FTMC), Savanorių Str. 231, LT-02300 Vilnius, Lithuania
| | - Martynas Talaikis
- Center for Physical Sciences and Technology (FTMC), Savanorių Str. 231, LT-02300 Vilnius, Lithuania
| | | | - Aušra Selskienė
- Center for Physical Sciences and Technology (FTMC), Savanorių Str. 231, LT-02300 Vilnius, Lithuania
| | - Algirdas Selskis
- Center for Physical Sciences and Technology (FTMC), Savanorių Str. 231, LT-02300 Vilnius, Lithuania
| | - Jonas Mažeika
- Nature Research Centre, Akademijos Str. 2, LT-08412 Vilnius, Lithuania
| | - Kęstutis Jokšas
- Nature Research Centre, Akademijos Str. 2, LT-08412 Vilnius, Lithuania
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Zhang X, Razanajatovo MR, Du X, Wang S, Feng L, Wan S, Chen N, Zhang Q. Well-designed protein amyloid nanofibrils composites as versatile and sustainable materials for aquatic environment remediation: A review. ECO-ENVIRONMENT & HEALTH (ONLINE) 2023; 2:264-277. [PMID: 38435357 PMCID: PMC10902511 DOI: 10.1016/j.eehl.2023.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 03/05/2024]
Abstract
Amyloid nanofibrils (ANFs) are supramolecular polymers originally classified as pathological markers in various human degenerative diseases. However, in recent years, ANFs have garnered greater interest and are regarded as nature-based sustainable biomaterials in environmental science, material engineering, and nanotechnology. On a laboratory scale, ANFs can be produced from food proteins via protein unfolding, misfolding, and hydrolysis. Furthermore, ANFs have specific structural characteristics such as a high aspect ratio, good rigidity, chemical stability, and a controllable sequence. These properties make them a promising functional material in water decontamination research. As a result, the fabrication and application of ANFs and their composites in water purification have recently gained considerable attention. Despite the large amount of literature in this field, there is a lack of systematic review to assess the gap in using ANFs and their composites to remove contaminants from water. This review discusses significant advancements in design techniques as well as the physicochemical properties of ANFs-based composites. We also emphasize the current progress in using ANFs-based composites to remove inorganic, organic, and biological contaminants. The interaction mechanisms between ANFs-based composites and contaminants are also highlighted. Finally, we illustrate the challenges and opportunities associated with the future preparation and application of ANFs-based composites. We anticipate that this review will shed new light on the future design and use of ANFs-based composites.
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Affiliation(s)
- Xiaolin Zhang
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse and Hebei Key Laboratory of Applied Chemistry, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Mamitiana Roger Razanajatovo
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse and Hebei Key Laboratory of Applied Chemistry, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Xuedong Du
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse and Hebei Key Laboratory of Applied Chemistry, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Shuo Wang
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse and Hebei Key Laboratory of Applied Chemistry, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Li Feng
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse and Hebei Key Laboratory of Applied Chemistry, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Shunli Wan
- College of Life & Environment Sciences, Huangshan University, Huangshan 245041, China
| | - Ningyi Chen
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qingrui Zhang
- Hebei Key Laboratory of Heavy Metal Deep-Remediation in Water and Resource Reuse and Hebei Key Laboratory of Applied Chemistry, School of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
- State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China
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10
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Wang XS, Ma CN, Liu YL, Wang GJ, Tang B, Song H, Gao Z, Ma J, Wang L. High efficiency removal of organic and inorganic iodine with ferrate[Fe(VI)] through oxidation and adsorption. WATER RESEARCH 2023; 246:120671. [PMID: 37804804 DOI: 10.1016/j.watres.2023.120671] [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: 07/03/2023] [Revised: 09/13/2023] [Accepted: 09/24/2023] [Indexed: 10/09/2023]
Abstract
I- is a halogen species existing in natural waters, and the transformation of organic and inorganic iodine in natural and artificial processes would impact the quality of drinking water. Herein, it was found that Fe(VI) could oxidize organic and inorganic iodine to IO3-and simultaneously remove the resulted IO3- through Fe(III) particles. For the river water, wastewater treatment plant (WWTP) effluent, and shale gas wastewater treated by 5 mg/L of Fe(VI) (as Fe), around 63 %, 55 % and 71 % of total iodine (total-I) had been removed within 10 min, respectively. Fe(VI) was superior to coagulants in removing organic and inorganic iodine from the source water. Adsorption kinetic analysis suggested that the equilibrium adsorption amount of I- and IO3- were 11 and 10.1 μg/mg, respectively, and the maximum adsorption capacity of IO3- by Fe(VI) resulted Fe(III) particles was as high as 514.7 μg/mg. The heterogeneous transformation of Fe(VI) into Fe(III) effectively improved the interaction probability of IO3- with iron species. Density functional theory (DFT) calculation suggested that the IO3- was mainly adsorbed in the cavity (between the γ-FeOOH shell and γ-Fe2O3 core) of Fe(III) particles through electrostatic adsorption, van der Waals force and hydrogen bond. Fe(VI) treatment is effective for inhibiting the formation of iodinated disinfection by-products in chlor(am)inated source water.
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Affiliation(s)
- Xian-Shi Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Cai-Ni Ma
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Yu-Lei Liu
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Gui-Jing Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Bo Tang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Heng Song
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Zhi Gao
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jun Ma
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Lu Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
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Rani N, Singh P, Kumar S, Kumar P, Bhankar V, Kamra N, Kumar K. Recent advancement in nanomaterials for the detection and removal of uranium: A review. ENVIRONMENTAL RESEARCH 2023; 234:116536. [PMID: 37399984 DOI: 10.1016/j.envres.2023.116536] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 06/15/2023] [Accepted: 06/30/2023] [Indexed: 07/05/2023]
Abstract
Uranyl ions U(VI), are the common by-product of nuclear power plants and anthropogenic activities like mining, excess utilization of fertilizers, oil industries, etc. Its intake into the body causes serious health concerns such as liver toxicity, brain damage, DNA damage and reproductive issues. Therefore, there is urgent need to develop the detection and remediation strategies. Nanomaterials (NMs), due to their unique physiochemical properties including very high specific area, tiny sizes, quantum effects, high chemical reactivity and selectivity have become emerging materials for the detection and remediation of these radioactive wastes. Therefore, the current study aims to provide a holistic view and investigation of these new emerging NMs that are effective for the detection and removal of Uranium including metal nanoparticles, carbon-based NMs, nanosized metal oxides, metal sulfides, metal-organic frameworks, cellulose NMs, metal carbides/nitrides, and carbon dots (CDs). Along with this, the production status, and its contamination data in food, water, and soil samples all across the world are also complied in this work.
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Affiliation(s)
- Neeru Rani
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonepat, 131039, Haryana, India
| | - Permender Singh
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonepat, 131039, Haryana, India
| | - Sandeep Kumar
- Department of Chemistry, J. C. Bose University of Science & Technology, YMCA, Faridabad, 126006, Haryana, India.
| | - Parmod Kumar
- Department of Physics, J. C. Bose University of Science & Technology, YMCA, Faridabad, 121006, Haryana, India
| | - Vinita Bhankar
- Department of Biochemistry, Kurukshetra University, Kurukshetra, 136119, Haryana, India
| | - Nisha Kamra
- Department of Chemistry, Guru Jambheshwar University of Science and Technology, Hisar, 125001, Haryana, India
| | - Krishan Kumar
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonepat, 131039, Haryana, India.
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12
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Sun HY, Hu B, Lv TT, Guo YL, Yao YX, Yang L, Feng ML, Huang XY. Efficient Co-Adsorption and Highly Selective Separation of Cs + and Sr 2+ with a K + -Activated Niobium Germanate by the pH Control. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2208212. [PMID: 36916691 DOI: 10.1002/smll.202208212] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 02/20/2023] [Indexed: 06/15/2023]
Abstract
137 Cs and 90 Sr are hazardous to ecological environment and human health due to their strong radioactivity, long half-life, and high mobility. However, effective adsorption and separation of Cs+ and Sr2+ from acidic radioactive wastewater is challenging due to stability issues of material and the strong competition of protons. Herein, a K+ -activated niobium germanate (K-NGH-1) presents efficient Cs+ /Sr2+ coadsorption and highly selective Cs+ /Sr2+ separation, respectively, under different acidity conditions. In neutral solution, K-NGH-1 exhibits ultrafast adsorption kinetics and high adsorption capacity for both Cs+ and Sr2+ (qm Cs = 182.91 mg g-1 ; qm Sr = 41.62 mg g-1 ). In 1 M HNO3 solution, K-NGH-1 still possesses qm Cs of 91.40 mg g-1 for Cs+ but almost no adsorption for Sr2+ . Moreover, K-NGH-1 can effectively separate Cs+ from 1 M HNO3 solutions with excess competing Sr2+ and Mn + (Mn + = Na+ , Ca2+ , Mg2+ ) ions. Thus, efficient separation of Cs+ and Sr2+ is realized under acidic conditions. Besides, K-NGH-1 shows excellent acid and radiation resistance and recyclability. All the merits above endow K-NGH-1 with the first example of niobium germanates for radionuclides remediation. This work highlights the facile pH control approach towards bifunctional ion exchangers for efficient Cs+ /Sr2+ coadsorption and selective separation.
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Affiliation(s)
- Hai-Yan Sun
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Bing Hu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Tian-Tian Lv
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Yan-Ling Guo
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, P. R. China
| | - Yue-Xin Yao
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Lu Yang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Mei-Ling Feng
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
| | - Xiao-Ying Huang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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13
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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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14
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Liu X, Wu J, Wang J. Electro-adsorption of Cs(I) ions from aqueous solution by capacitive deionization using ACC/MoO 3 composite electrode. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 865:161110. [PMID: 36586692 DOI: 10.1016/j.scitotenv.2022.161110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 12/03/2022] [Accepted: 12/17/2022] [Indexed: 06/17/2023]
Abstract
The separation of Cs+ from radioactive wastes is of paramount importance, but still a challenge. In this paper, ACC/MoO3 composite electrode was prepared and used for the separation of Cs+ by capacitive deionization (CDI). The electrode materials were characterized by SEM-EDS, FTIR, XPS before and after adsorption experiments. The composite electrode was composed of ACC and hexagonal tunnel structure of MoO3, which had a mesoporous structure. The specific surface area, average pore diameter, total pore volume and maximal specific capacitance were 170.4 m2 g-1, 2.127 nm, 0.906 cm3 g-1 and 76.3 F g-1, respectively. The adsorption kinetics, isotherms, and the mass transfer process were analyzed, and the possible adsorption mechanism was proposed. The removal efficiency of Cs+ increased with the increase of voltage and the decrease of Cs+ concentration, which reached 44.7 % after 240 min when voltage was 1.2 V and Cs+ concentration was 5 mg L-1. The Cs+ adsorption onto the ACC/MoO3 composite was multi-layer adsorption and the adsorption to active sites (AAS) was the rate-limiting step. Overall, the ACC/MoO3 composite was a potential electrode for Cs+ separation.
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Affiliation(s)
- Xiaojing Liu
- Institute of Agricultural Resource and Environmental Sciences, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; Laboratory of Environmental Technology, INET, Tsinghua University, Beijing 100084, China
| | - Jinling Wu
- Laboratory of Environmental Technology, INET, Tsinghua University, Beijing 100084, China; Beijing Key Laboratory of Radioactive Waste Treatment, Tsinghua University, Beijing 100084, China
| | - Jianlong Wang
- Laboratory of Environmental Technology, INET, Tsinghua University, Beijing 100084, China; Beijing Key Laboratory of Radioactive Waste Treatment, Tsinghua University, Beijing 100084, China.
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15
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Ruiz-Fresneda MA, Martinez-Moreno MF, Povedano-Priego C, Morales-Hidalgo M, Jroundi F, Merroun ML. Impact of microbial processes on the safety of deep geological repositories for radioactive waste. Front Microbiol 2023; 14:1134078. [PMID: 37007474 PMCID: PMC10062484 DOI: 10.3389/fmicb.2023.1134078] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Accepted: 02/27/2023] [Indexed: 03/18/2023] Open
Abstract
To date, the increasing production of radioactive waste due to the extensive use of nuclear power is becoming a global environmental concern for society. For this reason, many countries have been considering the use of deep geological repositories (DGRs) for the safe disposal of this waste in the near future. Several DGR designs have been chemically, physically, and geologically well characterized. However, less is known about the influence of microbial processes for the safety of these disposal systems. The existence of microorganisms in many materials selected for their use as barriers for DGRs, including clay, cementitious materials, or crystalline rocks (e.g., granites), has previously been reported. The role that microbial processes could play in the metal corrosion of canisters containing radioactive waste, the transformation of clay minerals, gas production, and the mobility of the radionuclides characteristic of such residues is well known. Among the radionuclides present in radioactive waste, selenium (Se), uranium (U), and curium (Cm) are of great interest. Se and Cm are common components of the spent nuclear fuel residues, mainly as 79Se isotope (half-life 3.27 × 105 years), 247Cm (half-life: 1.6 × 107 years) and 248Cm (half-life: 3.5 × 106 years) isotopes, respectively. This review presents an up-to-date overview about how microbes occurring in the surroundings of a DGR may influence their safety, with a particular focus on the radionuclide-microbial interactions. Consequently, this paper will provide an exhaustive understanding about the influence of microorganisms in the safety of planned radioactive waste repositories, which in turn might improve their implementation and efficiency.
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16
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Li J, Wang M, Zhao X, Li Z, Niu Y, Wang S, Sun Q. Efficient Iodine Removal by Porous Biochar-Confined Nano-Cu 2O/Cu 0: Rapid and Selective Adsorption of Iodide and Iodate Ions. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13030576. [PMID: 36770537 PMCID: PMC9919420 DOI: 10.3390/nano13030576] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 01/28/2023] [Accepted: 01/29/2023] [Indexed: 06/01/2023]
Abstract
Iodine is a nuclide of crucial concern in radioactive waste management. Nanomaterials selectively adsorb iodine from water; however, the efficient application of nanomaterials in engineering still needs to be developed for radioactive wastewater deiodination. Artemia egg shells possess large surface groups and connecting pores, providing a new biomaterial to remove contaminants. Based on the Artemia egg shell-derived biochar (AES biochar) and in situ precipitation and reduction of cuprous, we synthesized a novel nanocomposite, namely porous biochar-confined nano-Cu2O/Cu0 (C-Cu). The characterization of C-Cu confirmed that the nano-Cu2O/Cu0 was dispersed in the pores of AES biochar, serving in the efficient and selective adsorption of iodide and iodate ions from water. The iodide ion removal by C-Cu when equilibrated for 40 min exhibited high removal efficiency over the wide pH range of 4 to 10. Remarkable selectivity towards both iodide and iodate ions of C-Cu was permitted against competing anions (Cl-/NO3-/SO42-) at high concentrations. The applicability of C-Cu was demonstrated by a packed column test with treated effluents of 1279 BV. The rapid and selective removal of iodide and iodate ions from water is attributed to nanoparticles confined on the AES biochar and pore-facilitated mass transfer. Combining the advantages of the porous biochar and nano-Cu2O/Cu0, the use of C-Cu offers a promising method of iodine removal from water in engineering applications.
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Park SJ, Shin SS, Jo JH, Jung CH, Park H, Park YI, Kim HJ, Lee JH. Tannic acid-assisted in-situ interfacial formation of Prussian blue-assembled adsorptive membranes for radioactive cesium removal. JOURNAL OF HAZARDOUS MATERIALS 2023; 442:129967. [PMID: 36155300 DOI: 10.1016/j.jhazmat.2022.129967] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/02/2022] [Accepted: 09/09/2022] [Indexed: 06/16/2023]
Abstract
There is a growing interest in advanced materials that can effectively treat wastewater contaminated with radioactive cesium (137Cs), which is an extremely hazardous material. Here, we report a new class of Cs-adsorptive membranes compactly assembled with Cs-adsorptive Prussian blue (PB) particles. The PB particle assembly was formed via an in-situ interfacial reaction between two PB precursors in the presence of tannic acid (TA) as a binder on a porous support. While the interfacial reaction enabled the formation of a defect-less PB network, TA enhanced the PB-PB and PB-support compatibilities, consequently producing a uniform, densely packed PB assembly near the support surface. The fabricated TA-assisted PB membrane (PB/TA-M) synergistically rejected Cs via a combination of adsorption and membrane filtration, although adsorption predominantly determined Cs rejection initially. Hence, the PB/TA-M membrane showed considerably higher Cs removal performance than commercial nanofiltration (NF) and reverse osmosis (RO) polyamide (PA) membranes for a sufficiently long operation time. Furthermore, the PB/TA-M membrane displayed excellent radioactive 137Cs removal performance, significantly exceeding those of commercial NF and RO PA membranes due to its higher radiation stability, indicating its viability for application in treating actual radioactive wastewater.
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Affiliation(s)
- Sung-Joon Park
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Seung Su Shin
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Joon Hee Jo
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Chan Hee Jung
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
| | - Hosik Park
- Center for Membranes, Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
| | - You-In Park
- Center for Membranes, Advanced Materials Division, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
| | - Hyung-Ju Kim
- Decommissioning Technology Research Division, Korea Atomic Energy Research Institute, 989-111 Daedeok-daero, Yuseong-gu, Daejeon 34057, Republic of Korea.
| | - Jung-Hyun Lee
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
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18
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Gao C, Yan W, Han S, Guo Y, Wang S, Deng T. Layer-by-layer Assembled Ferrocyanide Composite Fibers for Highly Efficient Removal of Cesium. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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19
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Xiao H, Wang Y, Hao B, Cao Y, Cui Y, Huang X, Shi B. Collagen Fiber-Based Advanced Separation Materials: Recent Developments and Future Perspectives. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2107891. [PMID: 34894376 DOI: 10.1002/adma.202107891] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 11/30/2021] [Indexed: 06/14/2023]
Abstract
Separation plays a critical role in a broad range of industrial applications. Developing advanced separation materials is of great significance for the future development of separation technology. Collagen fibers (CFs), the typical structural proteins, exhibit unique structural hierarchy, amphiphilic wettability, and versatile chemical reactivity. These distinctive properties provide infinite possibilities for the rational design of advanced separation materials. During the past 2 decades, many progressive achievements in the development of CFs-derived advanced separation materials have been witnessed already. Herein, the CFs-based separation materials are focused on and the recent progresses in this topic are reviewed. CFs widely existing in animal skins display unique hierarchically fibrous structure, amphiphilicity-enabled surface wetting behaviors, multi-functionality guaranteed covalent/non-covalent reaction versatility. These outstanding merits of CFs bring great opportunities for realizing rational design of a variety of advanced separation materials that were capable of achieving high-performance separations to diverse specific targets, including oily pollutants, natural products, metal ions, anionic contaminants and proteins, etc. Besides, the important issues for the further development of CFs-based advanced separation materials are also discussed.
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Affiliation(s)
- Hanzhong Xiao
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, 610065, P. R. China
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Yujia Wang
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, 610065, P. R. China
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Baicun Hao
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Yiran Cao
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Yiwen Cui
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Xin Huang
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, 610065, P. R. China
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Bi Shi
- National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu, 610065, P. R. China
- Department of Biomass Chemistry and Engineering, Sichuan University, Chengdu, 610065, P. R. China
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20
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Qin B, Hu Y, Xie M, Xue L, Liao C, Yang F. Highly Selective Adsorption of 99TcO 4-/ReO 4- by a Novel Polyamide-Functionalized Polyacrylamide Polymer Material. TOXICS 2022; 10:630. [PMID: 36287910 PMCID: PMC9608480 DOI: 10.3390/toxics10100630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
The treatment of radioactive wastewater is one of the major problems in the current research. With the development of nuclear energy, the efficient removal of 99TcO4- in radioactive wastewater has attracted the attention of countries all over the world. In this study, a novel functional polyamide polymer p-(Amide)-PAM was synthesized by the two-step method. The experimental results show that p-(Amide)-PAM has good adsorptive properties for 99TcO4-/ReO4- and has good selectivity in the nitric acid system. The kinetics of the reaction of p-(Amide)-PAM with 99TcO4-/ReO4- was studied. The results show that p-(Amide)-PAM has a fast adsorption rate for 99TcO4-/ReO4-, the saturated adsorption capacity reaches 346.02 mg/g, and the material has good reusability. This new polyamide-functionalized polyacrylamide polymer material has good application prospects in the removal of 99TcO4- from radioactive wastewater.
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Affiliation(s)
- Ben Qin
- Faculty of Materials, Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, China
- Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen 361021, China
| | - Yanqin Hu
- Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen 361021, China
| | - Meiying Xie
- Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen 361021, China
- Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Liyan Xue
- Xiamen Institute of Rare Earth Materials, Haixi Institute, Chinese Academy of Sciences, Xiamen 361021, China
- Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
| | - Chunfa Liao
- Faculty of Materials, Metallurgy and Chemistry, Jiangxi University of Science and Technology, Ganzhou 341000, China
| | - Fan Yang
- Fujian Province Joint Innovation Key Laboratory of Fuel and Materials in Clean Nuclear Energy System, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
- Sichuan Jcc Rare Earth Matals New Material Co., Ltd., Chengdu 610213, China
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Li R, Yan H, Wang H, Yan J, Jiang C, Wang Y, Xu T. Electrodialysis for the volume reduction of the simulated radionuclides containing seawater. JOURNAL OF HAZARDOUS MATERIALS 2022; 439:129601. [PMID: 35863228 DOI: 10.1016/j.jhazmat.2022.129601] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
In this study, electrodialysis (ED) was performed to concentrate the radionuclides containing seawater for volume minimization. The concentration behaviors of the trace radioactive elements were also explored. Under the optimal voltage drop of 6 V and the volume ratio of 1:40, the concentration times of Cs+, Co2+, Sr2+ and I- could reach 9.9, 9.5, 20.1 and 32.5, respectively. Furthermore, it enabled over 80% volume reduction and over 90% removal of all hazardous radionuclides. Hence, ED is a feasible and promising method to manage the radioactive wastewater due to its high concentration and decontamination performances. For identical ion contents, the concentration rate for the cations presented the order of Na+ > Cs+ > Sr2+ > Co2+; the hydration radius and hydration free energy played the dominant roles in ion concentration. In contrast, for the ED concentration of trace radioactive elements, of which the contents are several magnitudes lower than the predominant salt concentration, the concentration rate presented the order of Sr2+ > Cs+ > Co2+ > Na+; the specific charge began to play an important role when the predominant ion approached its saturated salt concentration. For the anions, I- always migrated faster than Cl- at diverse concentrations.
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Affiliation(s)
- Ruirui Li
- Department of Applied Chemistry, Anhui Provincial Engineering Laboratory of Functional Membrane Science and Technology, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Haiyang Yan
- Department of Applied Chemistry, Anhui Provincial Engineering Laboratory of Functional Membrane Science and Technology, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Huangying Wang
- Department of Applied Chemistry, Anhui Provincial Engineering Laboratory of Functional Membrane Science and Technology, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Junying Yan
- Department of Applied Chemistry, Anhui Provincial Engineering Laboratory of Functional Membrane Science and Technology, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Chenxiao Jiang
- Department of Applied Chemistry, Anhui Provincial Engineering Laboratory of Functional Membrane Science and Technology, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Yaoming Wang
- Department of Applied Chemistry, Anhui Provincial Engineering Laboratory of Functional Membrane Science and Technology, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
| | - Tongwen Xu
- Department of Applied Chemistry, Anhui Provincial Engineering Laboratory of Functional Membrane Science and Technology, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China.
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22
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Novikau R, Lujanienė G, Pakštas V, Talaikis M, Mažeika K, Drabavičius A, Naujokaitis A, Šemčuk S. Adsorption of caesium and cobalt ions on the muscovite mica clay-graphene oxide-γ-Fe 2O 3-Fe 3O 4 composite. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:74933-74950. [PMID: 35648351 DOI: 10.1007/s11356-022-21078-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
The muscovite mica clay-graphene oxide-maghemite-magnetite (γ-Fe2O3-Fe3O4) composite was first used for the adsorption of caesium(I) and cobalt(II). The presence of clay minerals, graphene oxide, maghemite, and magnetite was detected in the prepared composite by XRD, WD-XRF, Mössbauer spectroscopy, and ATR-FTIR. The SEM and TEM results show that the composite has a layered structure with irregularly shaped pores on the surface. It was found that the adsorption of ions depends on the initial concentration, pH (except for caesium), mass of adsorbent, temperature, and contact time. The maximum adsorption capacity for Cs(I) and Co(II) was 2286 mg/g and 652 mg/g, respectively, and was obtained at concentrations (Cs(I) = 12,630 mg/L; Co(II) = 3200 mg/L), adsorbent mass of 0.01 g, pH (Cs(I) = 7; Co(II) = 5), temperature of 20 ± 1 °C, and contact time of 24 h. The high adsorption capacity of the composite could be due to a diversity of functional groups, a large number of active sites or the multilayer adsorption of caesium and cobalt ions on the surface of the composite. The Freundlich, Langmuir isotherms, and the pseudo-second-order kinetic model better describe the adsorption of these ions on the composite. The adsorption was non-spontaneous endothermic for Cs(I) and spontaneous endothermic for Co(II). The proposed mechanism of adsorption of Cs and Co ions on the composite is complex and involves electrostatic interactions and ion exchange. The ANFIS model proved to be quite effective in predicting the adsorption of Cs(I) and Co(II), as shown by the obtained values of R2, MSE, SSE, and ARE.
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Affiliation(s)
- Raman Novikau
- Department of Environmental Research, State Research Institute Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300, Vilnius, Lithuania.
| | - Galina Lujanienė
- Department of Environmental Research, State Research Institute Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300, Vilnius, Lithuania
| | - Vidas Pakštas
- Department of Characterisation of Materials Structure, State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, 10257, Vilnius, Lithuania
| | - Martynas Talaikis
- Department of Organic Chemistry, State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, 10257, Vilnius, Lithuania
| | - Kęstutis Mažeika
- Department of Nuclear Research, State Research Institute Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300, Vilnius, Lithuania
| | - Audrius Drabavičius
- Department of Characterisation of Materials Structure, State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, 10257, Vilnius, Lithuania
| | - Arnas Naujokaitis
- Department of Characterisation of Materials Structure, State Research Institute Center for Physical Sciences and Technology, Saulėtekio al. 3, 10257, Vilnius, Lithuania
| | - Sergej Šemčuk
- Department of Environmental Research, State Research Institute Center for Physical Sciences and Technology, Savanoriu Ave. 231, 02300, Vilnius, Lithuania
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23
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Modeling a three-layer container based on halloysite nano-clay for radioactive waste disposal. PROGRESS IN NUCLEAR ENERGY 2022. [DOI: 10.1016/j.pnucene.2022.104379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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24
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Pak GT, Jo S, Kim TH, Lee KW, Huh TH, Kwark YJ, Yang HM, Lee TS. Fabrication of a porous polyacrylonitrile nanofiber adsorbent for removing radioactive 60Co. CHEMOSPHERE 2022; 302:134910. [PMID: 35551933 DOI: 10.1016/j.chemosphere.2022.134910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/06/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
A Co2+ adsorbent was prepared using electrospun porous polyacrylonitrile (PAN) nanofibers, featuring easy recovery for reuse compared with a nanoparticle-based adsorbent. As an efficient ligand for Co2+, ethylenediaminetetraacetic acid (EDTA) was introduced on the surface of porous PAN nanofibers with the aid of a branched polyethyleneimine (PEI) linker to obtain an adsorbent with carboxylic acid groups. On the adsorbent surface, the carboxylic acid and amine groups from EDTA could adsorb Co2+ via ion exchange and chelation, and amine groups from PEI that remained after EDTA functionalization played a role in coordinating Co2+. The amine and carboxylic acid groups were simultaneously involved in the adsorption on the surface, making it possible to remove Co2+ over a wide pH range. An investigation of the adsorption isotherms and kinetics of the nanofibrous adsorbent indicated that monolayer chemisorption was achieved with a maximum Co2+ adsorption capacity of 8.32 mg/g. In addition, radioactive 60Co was efficiently removed by the adsorbent with a removal extent of more than 98%. Considering the easy separation from Co2+ solution and regeneration of the nanofibrous adsorbent and its availability in a wide pH range, the adsorbent has great advantages in practical applications.
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Affiliation(s)
- Geun Tae Pak
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon, 34134, South Korea
| | - Seonyoung Jo
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon, 34134, South Korea
| | - Tae Hyun Kim
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon, 34134, South Korea
| | - Keun-Woo Lee
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon, 34134, South Korea
| | - Tae-Hwan Huh
- Department of Organic Materials and Fiber Engineering, Soongsil University, Seoul, 06978, South Korea
| | - Young-Je Kwark
- Department of Organic Materials and Fiber Engineering, Soongsil University, Seoul, 06978, South Korea
| | - Hee-Man Yang
- Decommissioning Technology Research Division, Korea Atomic Energy Research Institute, Daejeon, 34057, South Korea.
| | - Taek Seung Lee
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon, 34134, South Korea.
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25
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Jiao C, Wang H, Li Y, Zhang M, Gao Y, He M. Treatment of Simulated Radioactive Wastewater Using Reverse Osmosis and Membrane Distillation. NUCL TECHNOL 2022. [DOI: 10.1080/00295450.2022.2081483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Caishan Jiao
- Harbin Engineering University, College of Nuclear Science and Technology, Harbin 150001, China
| | - Hao Wang
- Harbin Engineering University, College of Nuclear Science and Technology, Harbin 150001, China
| | - Yaorui Li
- Harbin Engineering University, College of Nuclear Science and Technology, Harbin 150001, China
| | - Meng Zhang
- Harbin Engineering University, College of Nuclear Science and Technology, Harbin 150001, China
| | - Yang Gao
- Harbin Engineering University, College of Nuclear Science and Technology, Harbin 150001, China
| | - Mingjian He
- Harbin Engineering University, College of Nuclear Science and Technology, Harbin 150001, China
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26
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Immobilization of iodine waste at low sintering temperature: Phase evolution and microstructure transformation. ANN NUCL ENERGY 2022. [DOI: 10.1016/j.anucene.2022.109145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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Recent Advances and Future Perspectives of Polymer-Based Magnetic Nanomaterials for Detection and Removal of Radionuclides: A review. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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28
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Novel phenanthroline-derived pyrrolidone ligands for efficient uranium separation: Liquid-liquid extraction, spectroscopy, and molecular simulations. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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29
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Mahmoud GA, Abdel‐Geleel M, Badway NA, Farha SAA, Alshafei EA. Characterization and adsorption properties of starch‐based nanocomposite for removal of simulated low‐level radioactive waste. STARCH-STARKE 2022. [DOI: 10.1002/star.202100287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ghada A. Mahmoud
- Radiation Research of Polymer Chemistry Department (NCRRT) Egyptian Atomic Energy Authority (EAEA) Cairo Egypt
| | | | - Nagwa A. Badway
- Chemistry Department Faculty of Science Al‐Azhar University Cairo Egypt
| | | | - Esraa A. Alshafei
- Chemistry Nuclear Radiological Regulatory Authority (ENRRA) Cairo Egypt
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30
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Li S, He Z, Xiao D, Guo L. Study on the treatment of radioactive wastewater by non-contact membrane distillation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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31
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Park B, Kim J, Ghoreishian SM, Rethinasabapathy M, Huh YS, Kang SM. Generation of multi-functional core-shell adsorbents: simultaneous adsorption of cesium, strontium and rhodamine B in aqueous solution. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.05.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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32
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Pan X, Lin X, Xu X, Li J, Xi H. The synthesis, characterization and decontamination of surface radioactive contamination of ethyl cellulose/polyacrylate strippable detergent at low temperature. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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33
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Xue Y, Yang W, Yue R, Chen Y. Aqueous Strippable Polymer Coating for Highly Efficient Primary Radioactive Uranium Decontamination with Versatility on Diversified Surface. Polymers (Basel) 2022; 14:polym14091656. [PMID: 35566826 PMCID: PMC9100341 DOI: 10.3390/polym14091656] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 02/06/2023] Open
Abstract
The decontamination of radioactive materials on the surfaces of nuclear facilities has generated large quantities of waste from the rapid development of the nuclear industry, posing a potential threat globally. Strippable coating has been employed for some time to remove radioactive contamination due to its high performance and removability, flexibility, and compatibility with various substrates. Herein, an aqueous strippable coating based on an adsorbent/polyvinyl alcohol (PVA) polymer was developed to remove radioactive uranium from stainless-steel surfaces that showed greater decontamination than that of DeconGel, with an efficiency of 87.2% for 5 g/L uranium and 95.5% for 22.5 g/L uranium, along with a high repeatability and better mechanical properties. Furthermore, the prepared coating was versatile and could be applied to a range of substrate surfaces (lacquered, aluminum, glass, plastic, and ceramic), with outstanding performance ranging from 79.2 to 95.4% for 1 g/L uranium. The prepared coating could also be applied through brushing or spraying to horizontal or vertical substrates. The exceptional performance could be due to the synergistic effect of the introduction of ethylene diamine tetra-acetic acid disodium salt (EDTA-2Na) as a chelating agent and the nano-adsorbent CaCO3/TiO2.
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Affiliation(s)
- Yang Xue
- State Key Laboratory of Multi-Phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; (Y.X.); (W.Y.); (R.Y.)
| | - Wuxinchen Yang
- State Key Laboratory of Multi-Phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; (Y.X.); (W.Y.); (R.Y.)
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Renliang Yue
- State Key Laboratory of Multi-Phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; (Y.X.); (W.Y.); (R.Y.)
| | - Yunfa Chen
- State Key Laboratory of Multi-Phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; (Y.X.); (W.Y.); (R.Y.)
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
- Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
- Correspondence: ; Tel.: +86-10-8254-4894; Fax: +86-10-8254-4919
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34
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Rapid Determination of Gross Alpha/Beta Activity in Water Based on Reverse Osmosis Membrane Enrichment Pretreatment. SCIENCE AND TECHNOLOGY OF NUCLEAR INSTALLATIONS 2022. [DOI: 10.1155/2022/2868792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Radioactivity of gross alpha/beta is an index of water quality detection, which can reflect the radioactivity intensity of water. However, the traditional detection method of these parameters, thick source method, has problems of cumbersome and time consumption in sample preparation and cannot realize the rapid detection on-site. Based on this, this paper studies the enrichment method based on reverse osmosis membrane to accurately and quickly determine the gross α and gross β in water by using the reverse osmosis membrane as the carrier and enriching the radionuclides in water to the high-pressure side of the reverse osmosis membrane to replace the sample preparation process in traditional thick source method, so as to shorten the sample processing time in the detection process and avoid the cumbersome sample preparation process. The reverse osmosis membrane enrichment method for the determination of gross in 241Am and 40KCl standard solutions was used to study gross alpha/beta radioactivity, and the results showed that the average recoveries of radioactivity of gross alpha/beta were 95.0% and 93.6%, respectively. At the same time, the results of the thick source method and the reverse osmosis membrane method on the gross alpha/beta of actual water samples in 5 different regions were compared. It showed that the thick source method and the reverse osmosis membrane method had a good consistency in the detection results of total α and total β radioactivity, and the reverse osmosis membrane method had better stability than the thick source method. The average relative standard deviations (RSD) of the gross alpha and gross beta activity obtained by the thick source method are 11.9% and 7.3%, respectively, while RSD of the gross alpha and gross beta radioactivity obtained by the reverse osmosis membrane method were 6.9% and 4.7%, respectively. The preparation time of single sample was reduced by 75.7%, and the overall detection cycle time was reduced by 68.1%.
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35
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Huang T, Song D, Zhou L, Tao H, Li A, Zhang SW, Liu LF. Non-thermal plasma irradiated polyaluminum chloride for the heterogeneous adsorption enhancement of Cs + and Sr 2+ in a binary system. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127441. [PMID: 34673396 DOI: 10.1016/j.jhazmat.2021.127441] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 10/02/2021] [Accepted: 10/04/2021] [Indexed: 06/13/2023]
Abstract
The natural ecosystem will continually deteriorate for decades by the leakage of Cs and Sr isotopes. The exploration of the new materials or techniques for the efficient treatment of radioactive wastewater is critically important. In this study, a dielectric barrier discharge (DBD) configuration was constructed to operate the non-thermal plasma (NTP). The NTP was incorporated into the synthesis of polyaluminum chloride (PAC) in two different procedures to intensify the synthesis of PAC (NTP-PAC) and enhance the further removal of Cs and Sr from wastewater. The employment of NTP in two procedures both had significantly changed the physicochemical characteristics of PAC materials, which facilitated the further adsorption application of NTP-PAC on the treatment of Cs+ and Sr2+. Different molecular, morphological, and adsorption characteristics were confirmed to the NTP-PAC materials. The heterogeneous adsorption of the NTP-PAC can be appropriately fitted by both the pseudo-first-order kinetic model and the Elovich model. Both physisorption and chemisorption reaction mechanisms were ensured for the heterogeneous adsorption of the NTP-PAC material towards Cs+ and Sr2+, which guaranteed the excellent adsorption performance of NTP-PAC materials compared to PAC. The electron collisions caused by NTP with alum pulp created highly reactive growth precursors and intensified the nucleation and hydrolysis polymerization of PAC. The employment of NTP explicitly broadens the reaction pathways between PAC and cationic contaminants in the aqueous environment, which expands the application area of PAC materials in environmental sustainability.
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Affiliation(s)
- Tao Huang
- School of Materials Engineering, Changshu Institute of Technology, 215500, China; Suzhou Key Laboratory of Functional Ceramic Materials, Changshu Institute of Technology, Changshu 215500, China; School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China.
| | - Dongping Song
- School of Materials Engineering, Changshu Institute of Technology, 215500, China
| | - Lulu Zhou
- School of Materials Engineering, Changshu Institute of Technology, 215500, China
| | - Hui Tao
- Chongqing Water Affairs Group Co., Ltd., No. 1, Longjiawan, Yuzhong District, Chongqing 400000, China
| | - Aiyin Li
- School of Materials Engineering, Changshu Institute of Technology, 215500, China
| | - Shu-Wen Zhang
- Nuclear Resources Engineering College, University of South China, 421001, China
| | - Long-Fei Liu
- School of Materials Engineering, Changshu Institute of Technology, 215500, China
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36
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Kim H, Son HM, Lee HK. Characterization of bio-adsorptive removal performance of strontium through ureolysis-mediated bio-mineralization. CHEMOSPHERE 2022; 288:132586. [PMID: 34718026 DOI: 10.1016/j.chemosphere.2021.132586] [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: 07/15/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 06/13/2023]
Abstract
The adsorptive removal performance of strontium (Sr) through bio-mineralization metabolism under various parameters was evaluated in this study. The primary mechanism of bio-mineralization used in this study was the urea hydrolysis process through bacterial enzymatic catalysis. Bacillus sp, which was isolated from river sediment, was used as a ureolytic bacteria. Various environmental conditions were set as different initial concentrations of Sr (10, 50, 100, 200, and 500 mg/L), and various ratios of Mg/Ca (4, 2, 1, 0.5, and 0.25). The concentrations of Sr2+, Ca2+, and Mg2+ in the solution of the batch experiment were measured to identify the bio-mineralization performance and the removal rate of Sr. In addition, the main Sr removal mechanism of ureolytic bacteria was identified. As a result, for Sr removal of bacteria, the bio-mineralization mechanism was more predominant than the adsorption of Sr. The rapid growth and high nucleation site production were observed when the initial concentration of Sr2+ increased and the Mg/Ca ratio was lowered, resulting in high biomineralization performance and Sr removal rate. The main phases of carbonate minerals formed in the presence of Sr, Ca, and Mg were SrCO3 and SrCa(CO3)2. Mg2+ could retard the bacterial growth and participate in the formation of carbonate minerals, when a large amount of Mg2+ was present. Furthermore, the desorption rate of Sr2+ from bacterial pastes containing the carbonate minerals increased as the concentration of HCl increased, although the carbonate minerals were in a stable state.
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Affiliation(s)
- Hayeon Kim
- Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea
| | - H M Son
- Device Solutions, Samsung Electronics, Samsungjeonja-ro 1, Hwaseong-si, Gyeonggi-do, 18448, South Korea
| | - H K Lee
- Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, South Korea.
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37
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A facile synthesis of g-C3N4/WS2 heterojunctions with enhanced photocatalytic reduction activity of U(VI). J Radioanal Nucl Chem 2022. [DOI: 10.1007/s10967-021-08118-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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38
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Abstract
Water serves as an indispensable part of human life and production. On account of the overexploitation of traditional water sources, the demand for wastewater recycling is expanding rapidly. As a promising water treatment process, membrane distillation (MD) has been utilized in various wastewater treatments, such as desalination brine, textile wastewater, radioactive wastewater, and oily wastewater. This review summarized the investigation work applying MD in wastewater treatment, and the performance was comprehensively introduced. Moreover, the obstructions of industrialization, such as membrane fouling, membrane wetting, and high energy consumption, were discussed with the practical investigation. To cope with these problems, various strategies have been adopted to enhance MD performance, including coupling membrane processes and developing membranes with specific surface characteristics. In addition, the significance of nutrient recovery and waste heat utilization was indicated.
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39
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Yu Y, Zhou L, Tang J, Wu P, Feng L, Ge B, Chen H, Hu J, Song S, Zeng T. Effective removal of Co(II) and Sr(II) from radiocative wastes using covalent triazine frameworks: Kinetics and isotherm studies. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119633] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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40
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Purification of uranium-contaminated radioactive water by adsorption: A review on adsorbent materials. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119675] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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41
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Bi J, Tao Q, Huang X, Wang J, Wang T, Hao H. Simultaneous decontamination of multi-pollutants: A promising approach for water remediation. CHEMOSPHERE 2021; 284:131270. [PMID: 34323782 DOI: 10.1016/j.chemosphere.2021.131270] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 05/08/2021] [Accepted: 06/15/2021] [Indexed: 06/13/2023]
Abstract
Water remediation techniques have been extensively investigated due to the increasing threats of soluble pollutants posed on the human health, ecology and sustainability. Confronted with the complex composition matrix of wastewater, the simultaneous elimination of coexisting multi-pollutants remains a great challenge due to their different physicochemical properties. By integrating multi-contaminants elimination processes into one unit operation, simultaneous decontamination attracted more and more attention under the consideration of versatile applications and economical benefits. In this review, the state-of-art simultaneous decontamination methods were systematically summarized as chemical precipitation, adsorption, photocatalysis, oxidation-reduction, biological removal and membrane filtration. Their applications, mechanisms, mutual interactions, sustainability and recyclability were outlined and discussed in detail. Finally, the prospects and opportunities for future research were proposed for further development of simultaneous decontamination. This work could provide guidelines for the design and fabrication of well-organized simultaneous decontaminating system.
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Affiliation(s)
- Jingtao Bi
- National Engineering Research Center of Industry Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Qingqing Tao
- National Engineering Research Center of Industry Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Xin Huang
- National Engineering Research Center of Industry Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China; Co-Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China.
| | - Jingkang Wang
- National Engineering Research Center of Industry Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China; Co-Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China; State Key Laboratory of Chemical Engineering, Zhejiang University, Hangzhou, China
| | - Ting Wang
- National Engineering Research Center of Industry Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China; Co-Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China
| | - Hongxun Hao
- National Engineering Research Center of Industry Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China; Co-Innovation Center of Chemical Science and Engineering, Tianjin, 300072, China; State Key Laboratory of Chemical Engineering, Zhejiang University, Hangzhou, China.
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42
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Huang T, Su Z, Dai Y, Zhou L. Enhancement of the heterogeneous adsorption and incorporation of uranium VI caused by the intercalation of β-cyclodextrin into the green rust. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 290:118002. [PMID: 34419862 DOI: 10.1016/j.envpol.2021.118002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/15/2021] [Accepted: 08/17/2021] [Indexed: 06/13/2023]
Abstract
The influence of intercalated anions on the structure and composition of green rusts supplies a theoretical possibility for the investigation of the structural modification of FeII/FeIII (oxyhydr)oxide materials. β-Cyclodextrin was intercalated into the mixed-valent iron-based hydroxide layers to synthesize new green rust materials (β-CD GRs), pursuing high-capacity uraniumVI (UVI) sorption. The molar ratios of FeII to FeIII and the molar ratios of β-CD GR to FeII + FeIII had a significant effect on the synthesis of β-CD GRs. The synthesis process was further optimized by the quadric predictor and desirability function in a central composite design in combination. Both strong acidity and alkalinity were harmful to the adsorption of β-CD GRs towards UVI. The pseudo-first-order kinetic model and Langmuir isotherm model were appropriate in fitting the whole adsorption process. The maximum monolayer adsorption capacity of β-CD GRs was 2548.61 mg/g. The presence of mimic groundwater constituents explicitly deteriorated the interaction between β-CD GR and UVI species. Nanoscale nodules and particles were formed on the β-CD GR after the adsorption experiments. The peaks at 1159 and 609 cm-1 vanished with the band at 1103 cm-1 being left-shifted to 1117 cm-1 in the FTIR spectra of β-CD GR during the heterogeneous process. The intercalation of β-CD brought obvious enhancement of UVI species sorption to the GR material, which was combinedly driven by several reaction pathways and different from the unmodified GRs.
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Affiliation(s)
- Tao Huang
- School of Materials Engineering, Changshu Institute of Technology, 215500, China; Suzhou Key Laboratory of Functional Ceramic Materials, Changshu Institute of Technology, Changshu, 215500, China; School of Chemical Engineering & Technology, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China.
| | - Zhiyu Su
- School of Materials Engineering, Changshu Institute of Technology, 215500, China
| | - Yuxing Dai
- School of Materials Engineering, Changshu Institute of Technology, 215500, China
| | - Lulu Zhou
- School of Materials Engineering, Changshu Institute of Technology, 215500, China
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Amoatey P, Izady A, Al-Maktoumi A, Chen M, Al-Harthy I, Al-Jabri K, Msagati TAM, Nkambule TTI, Baawain MS. A critical review of environmental and public health impacts from the activities of evaporation ponds. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 796:149065. [PMID: 34328881 DOI: 10.1016/j.scitotenv.2021.149065] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 06/13/2023]
Abstract
Evaporation ponds (EVPs) are among the most cost-effective, and simple wastewater treatment technologies used in many regions/countries with high solar radiation levels. However, its operational limitations, which include the overflow of wastewater, leakages via liners, and large surface area of the EVP that is exposed to atmosphere, creates a negative feedback to the environment. Therefore, the main aim of this review study of more than a hundred works published a little all over the continents is to provide a summary of various contaminations that are associated with EVPs activities through different environmental compartments. In addition, the impacts of EVP on fauna, human health including the current on-site sustainable mitigation strategies were also reviewed. The first conclusion from this study shows that the most commonly contaminants released into surface waters, groundwater, soil and sediments were heavy metals, pesticides, herbicides, selenium, including several major anions and cations. Non-methane hydrocarbons (NMHCs), volatile organic compounds (VOCs), and particulate matters (PMs) were the main air pollutants emitted from the surfaces of an EVP. Limited data is available about the emissions of atmospheric greenhouse gas (GHGs) especially carbon dioxide (CO2) and methane (CH4) from EVP surfaces. Migratory birds and aquatic organisms are the most vulnerable fauna as EVP wastewaters can cause obstruction of movements, affect diversity, and causes mortalities following the exposure to the toxic wastewater. The study revealed limited data about the potential health risk associated with occupational and environmental exposure to radiological hazards and contaminated drinking water from EVP activities. On-site EVP treatment strategies using bioremediation and electrochemical treatment technologies have shown to be a promising sustainable mitigation approach. Knowledge gaps in areas of GHGs monitoring/modeling, pollution exposure estimation and health risk assessments are urgently required to gain deeper understanding about the impact of EVP activities, and incorporate them into future EVP designs.
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Affiliation(s)
- Patrick Amoatey
- Department of Civil and Architectural Engineering, Sultan Qaboos University, Muscat, Oman
| | - Azizallah Izady
- Water Research Center, Sultan Qaboos University, Muscat, Oman.
| | - Ali Al-Maktoumi
- Water Research Center, Sultan Qaboos University, Muscat, Oman; Department of Soils, Water and Agricultural Engineering, Sultan Qaboos University, Muscat, Oman
| | - Mingjie Chen
- Water Research Center, Sultan Qaboos University, Muscat, Oman
| | - Issa Al-Harthy
- Department of Civil and Architectural Engineering, Sultan Qaboos University, Muscat, Oman
| | - Khalifa Al-Jabri
- Department of Civil and Architectural Engineering, Sultan Qaboos University, Muscat, Oman
| | - Titus A M Msagati
- Institute for Nanotechnology and Water Sustainability, College of Science, Eng. and Technology, University of South Africa, South Africa
| | - Thabo T I Nkambule
- Institute for Nanotechnology and Water Sustainability, College of Science, Eng. and Technology, University of South Africa, South Africa
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44
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Jia X, Lan L, Zhang X, Wang T, Wang Y, Ye C, Lin J. Pilot-scale vacuum membrane distillation for decontamination of simulated radioactive wastewater: System design and performance evaluation. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119129] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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45
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Chiera NM, Bolisetty S, Eichler R, Mezzenga R, Steinegger P. Removal of radioactive cesium from contaminated water by whey protein amyloids-carbon hybrid filters. RSC Adv 2021; 11:32454-32458. [PMID: 35495498 PMCID: PMC9041901 DOI: 10.1039/d1ra05376k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/14/2021] [Indexed: 12/17/2022] Open
Abstract
We report on the application of an innovative whey protein amyloids–carbon hybrid filter for the removal and disposal of the long-lived radioactive fission product 137Cs from aqueous samples. Test experiments revealed a reduction of 137Cs radioactivity by a factor of 340 compared to the initial solution, with an efficiency as high as 99.7%. The adsorption capacity of the membrane was explored by performing several cycles of filtration, indicating a potential retention of more than 115 MBq per gram of filtering material at the applied experimental conditions. These results pave the way for further investigations on the applicability of this filter material to other nuclear fission products. The efficient removal of the long-lived fission product 137Cs from radioactive water by a filter material based on whey protein fibrils and activated carbon.![]()
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Affiliation(s)
- Nadine M Chiera
- Laboratory of Radiochemistry, Paul Scherrer Institute Villigen PSI 5232 Switzerland
| | - Sreenath Bolisetty
- BluAct Technologies GmbH Glattpark 8152 Switzerland.,Department of Health Sciences and Technology, ETH Zürich Zürich 8092 Switzerland
| | - Robert Eichler
- Laboratory of Radiochemistry, Paul Scherrer Institute Villigen PSI 5232 Switzerland
| | - Raffaele Mezzenga
- Department of Health Sciences and Technology, ETH Zürich Zürich 8092 Switzerland .,Department of Chemistry and Applied Biosciences, ETH Zürich Zürich 8092 Switzerland
| | - Patrick Steinegger
- Laboratory of Radiochemistry, Paul Scherrer Institute Villigen PSI 5232 Switzerland .,Department of Materials, ETH Zürich Zürich 8092 Switzerland
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46
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Kociołek-Balawejder E, Stanisławska E, Jacukowicz-Sobala I, Mucha I. Copper Rich Composite Materials Based on Carboxylic Cation Exchangers and Their Thermal Transformation. Polymers (Basel) 2021; 13:3199. [PMID: 34578100 PMCID: PMC8469408 DOI: 10.3390/polym13183199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/09/2021] [Accepted: 09/15/2021] [Indexed: 11/29/2022] Open
Abstract
The effect of a cupric deposit (Cu2+, CuO) on the thermal decomposition of carboxylic cation exchangers (CCEs) is not known, and such studies may have practical significance. CCEs have a very high ion exchange capacity, so an exceptionally large amount of CuO (which is a catalyst) can be precipitated inside them. Two CCEs, macroreticular (Amberlite IRC50) and gel-like (Amberlite IRC86), served as a polymeric support to obtain copper-rich hybrid ion exchangers. Composites with CuO particles inside a polyacrylic matrix (up to 35.0 wt% Cu) were obtained. Thermal analyses under air and under N2 were performed for CCEs in the H+ and Cu2+ form with and without a CuO deposit. The results of sixteen experiments are discussed based on the TG/DTG curves and XRD patterns of the solid residues. Under air, the cupric deposit shifted the particular transformations and the ultimate polymeric matter decomposition (combustion) toward lower temperatures (even about 100-150 °C). Under N2, the reduction of the cupric deposit to metallic copper took place. Unique composite materials enriched in carbonaceous matter were obtained, as the products of polymeric matrix decomposition (free radicals and hydrogen) created an additional amount of carbon char due to the utilization of a certain amount of hydrogen to reduce Cu (II) to Cu0.
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Affiliation(s)
- Elżbieta Kociołek-Balawejder
- Department of Industrial Chemistry, Wroclaw University of Economics and Business, 53-345 Wrocław, Poland; (E.S.); (I.J.-S.)
| | - Ewa Stanisławska
- Department of Industrial Chemistry, Wroclaw University of Economics and Business, 53-345 Wrocław, Poland; (E.S.); (I.J.-S.)
| | - Irena Jacukowicz-Sobala
- Department of Industrial Chemistry, Wroclaw University of Economics and Business, 53-345 Wrocław, Poland; (E.S.); (I.J.-S.)
| | - Igor Mucha
- Department of Analytical Chemistry, Wroclaw Medical University, 50-556 Wrocław, Poland;
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47
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Huo JB, Yu G, Wang J. Adsorptive removal of Sr(II) from aqueous solution by polyvinyl alcohol/graphene oxide aerogel. CHEMOSPHERE 2021; 278:130492. [PMID: 33838415 DOI: 10.1016/j.chemosphere.2021.130492] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 03/31/2021] [Accepted: 04/02/2021] [Indexed: 06/12/2023]
Abstract
In this study, a new adsorbent, polyvinyl alcohol (PVA) and graphene oxide (GO), was prepared, characterized and used for the removal of Sr2+ from aqueous solution. In PVA/GO composite, the inter-lamellar spacing of adjacent GO layers was dramatically enlarged due to the intercalation of PVA molecules, such a unique architecture significantly mitigated the aggregation of GO layers, which facilitated the accessible exposure of active sites and the mass transfer of strontium ions (Sr2+), thus enhancing the adsorption capacity toward Sr2+. The adsorption of Sr2+ by PVA/GO composite conformed to the pseudo second-order kinetic model (R2 = 0.9994), the Langmuir model (R2 = 0.9042), and the Freundlich model (R2 = 0.9598). The complexation interaction between Sr2+ and oxygen atoms/π-electron domain of PVA/GO composite was primarily responsible for the adsorption mechanism, based on the characterization results of X-ray photoelectron spectroscopy (XPS), scanning electron microscope equipped with energy dispersion spectroscopy (SEM-EDS) and powder X-ray diffraction (PXRD).
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Affiliation(s)
- Jiang-Bo Huo
- Laboratory of Environmental Technology, INET, Tsinghua University, Beijing, 100084, China; Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing, 100084, China
| | - Guoce Yu
- Laboratory of Environmental Technology, INET, Tsinghua University, Beijing, 100084, China; Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing, 100084, China
| | - Jianlong Wang
- Laboratory of Environmental Technology, INET, Tsinghua University, Beijing, 100084, China; Collaborative Innovation Center for Advanced Nuclear Energy Technology, INET, Tsinghua University, Beijing, 100084, China.
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48
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Zhang X, Liu Y. Integrated forward osmosis-adsorption process for strontium-containing water treatment: Pre-concentration and solidification. JOURNAL OF HAZARDOUS MATERIALS 2021; 414:125518. [PMID: 33652212 DOI: 10.1016/j.jhazmat.2021.125518] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 01/31/2021] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
The volume reduction and subsequent solidification of soluble radionuclides have been known as the major challenges in global radioactive water management, with the urgent needs for new technology development. Thus, a novel forward osmosis (FO)-adsorption process was developed for decontamination of strontium-containing radioactive water. The FO filtration driven by the osmotic pressure difference across FO membrane was more cost- and energy-effective for pre-concentration and volume reduction of low-concentration radioactive water prior to solidification, whereas subsequent adsorption with a novel adsorbent offered an effective mean for high-efficiency fixation of soluble radioactive on adsorbent. Results showed that the FO unit in the proposed integrated process could lead to a concentration factor of 10, with 90% of water volume reduction. The concentrated stream with a smaller volume from FO was further treated through adsorption of Sr2+ by nanostructured layered sodium vanadosilicate which had an excellent adsorption capacity of 174.3 mg Sr2+/g. It was found that 96.8-99.9% of soluble Sr2+ in FO concentrate could be removed by adsorption within several seconds. As the result, an excellent solidification of Sr2+ with an ultimate concentration factor of 1000 was achieved in the proposed novel integrated FO-adsorption process. These clearly demonstrated that this process would offer an environmentally sustainable and economically viable engineering solution for high-efficiency decontamination of Sr2+-containing radioactive water.
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Affiliation(s)
- Xiaoyuan Zhang
- Advanced Environmental Biotechnology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, 637141 Singapore.
| | - Yu Liu
- Advanced Environmental Biotechnology Centre, Nanyang Environment & Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, 637141 Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798 Singapore.
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49
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Xian H, Tang M, Chen Y, Lian Z, Li Y, Peng X, Hu D. Indigenous Fish-Based Assessment of Genotoxic Potentials of the Helong Reservoir in Guangzhou, China. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:1919-1927. [PMID: 33760286 DOI: 10.1002/etc.5043] [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: 02/02/2021] [Revised: 02/25/2021] [Accepted: 03/14/2021] [Indexed: 06/12/2023]
Abstract
The present study was conducted to assess the genotoxic potential of water from the Helong Reservoir, which was designated as a strategic drinking water source by the Guangdong Provincial Government of China in October 2016. Four kinds of common indigenous fish samples (Labeo rohita, Cirrhinus molitorella, red tilapia, and Oreochromis niloticus) were collected at 6 sampling sites during the period from July to November 2020. Fish from the clean drinking water source of the upper reaches of the Liuxihe Reservoir in Guangzhou were collected as the control. Both the alkaline single cell gel electrophoresis assay and the micronucleus test were used to detect DNA damage and the micronucleus rate in erythrocytes of fish samples, respectively. The results indicated that there was a significant increase in comet tail length, Olive tail moment, and micronucleus rates of all fish samples compared with those of the control (p < 0.05). The order of sensitivity to DNA damage and micronucleus formation was Labeo rohita > Cirrhinus molitorella > red tilapia > Oreochromis niloticus. The results of the 2 kinds of experiments were in perfect agreement with each other. We conclude that there are obvious genotoxic effects from the water in the Helong Reservoir. As a strategic drinking water source, the safety of the Reservoir water quality should be considered. The local government should put the restoration of the Helong Reservoir water quality on the agenda as soon as possible. Environ Toxicol Chem 2021;40:1919-1927. © 2021 SETAC.
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Affiliation(s)
- Hongyi Xian
- Department of Environmental Health, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Meilin Tang
- Department of Environmental Health, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Ying Chen
- Department of Environmental Health, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Zhenwei Lian
- Department of Environmental Health, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Yanfeng Li
- Department of Environmental Health, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Xiaowu Peng
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, China
| | - Dalin Hu
- Department of Environmental Health, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
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50
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Abdelmageed N, El‐Said WA, Younes AA, Atrees MS, Farag AB, Elshehy EA, Abdelkader AM. Facile synthesis of
silica‐polymer
monoliths using nonionic triblock copolymer surfactant for efficient removal of radioactive pollutants from contaminated seawater. J Appl Polym Sci 2021. [DOI: 10.1002/app.51263] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Nada Abdelmageed
- Department of Chemistry, Faculty of Science Helwan University Cairo Egypt
| | - Waleed A. El‐Said
- Department of Chemistry, Faculty of Science Assiut University Assiut Egypt
- University of Jeddah, College of Science Department of Chemistry Jeddah Saudi Arabia
| | - Ahmed A. Younes
- Department of Chemistry, Faculty of Science Helwan University Cairo Egypt
| | - Mohamed S. Atrees
- Materials of Reactors Department Nuclear Materials Authority El‐Maad Cairo Egypt
| | | | - Emad A. Elshehy
- Materials of Reactors Department Nuclear Materials Authority El‐Maad Cairo Egypt
| | - Amr M. Abdelkader
- Department of Engineering Bournemouth University, Talbot Campus, Fern Barrow Poole UK
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