{"title":"Construction of carboxylated multi-walled carbon nanotube/copper oxide/nano silver modified graphite felt electrode and its adsorption mechanism for UO22+","authors":"Mengshi Hu, Qian Li, Guangyue Li, Tingting Liu, Xiaowei Zhou, Jing Sun, Zhao Cui, Ting Li","doi":"10.1007/s10967-025-10001-9","DOIUrl":"10.1007/s10967-025-10001-9","url":null,"abstract":"<div><p>Uranium-containing wastewater from the nuclear fuel cycle poses severe hazards to human health and the environment. In this study, a carboxylated multi-walled carbon nanotube/copper oxide/nano silver modified graphite felt electrode (MCA) material was designed, exhibiting electrosorption performance with electrical double layer and pseudocapacitance characteristics. Electrosorption processes proved the ability to adsorb U(VI). MCA-2 had the highest removal rate (93.31%) due to superior conductivity, stability, and capacitance characteristics. A high adsorption capacity of 361 mg/g was reached in a 200 mg/L U(VI) solution. MCA achieves good cycling stability and high selectivity, making it a potential electrode material for radioactive wastewater treatment.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 3","pages":"2501 - 2516"},"PeriodicalIF":1.5,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143706987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Current state of natural and artificial radiation in the Eastern Black Sea Coast of Türkiye (Trabzon–Rize–Artvin) 38 years after Chernobyl","authors":"Selcen Uzun Duran","doi":"10.1007/s10967-025-10008-2","DOIUrl":"10.1007/s10967-025-10008-2","url":null,"abstract":"<div><p>The aim of this study was to evaluate the artificial and natural radiation dose levels in the coastal areas of Trabzon–Rize–Artvin provinces 38 years after the Chernobyl nuclear accident. Radioactive <sup>232</sup>Th, <sup>238</sup>U, <sup>40</sup>K and <sup>137</sup>Cs concentrations were determined in 49 soil samples by HPGe gamma spectrometry. Average concentrations were 12 Bqkg<sup>−1</sup> for <sup>238</sup>U, 15 Bqkg<sup>−1</sup> for <sup>232</sup>Th, 162 Bqkg<sup>−1</sup> for <sup>40</sup>K and 37 Bqkg<sup>−1</sup> for <sup>137</sup>Cs. Annual effective dose equivalents and excess lifetime cancer risk values are below the world average. This study also presents the average <sup>137</sup>Cs value measured in the same area from 1990–2004–2024.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 3","pages":"2417 - 2434"},"PeriodicalIF":1.5,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-025-10008-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143706988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gabriel Iklaga, Mojtaba Rostamiparsa, István Tolnai, Nándor Kaposy, Katalin Gméling, Emese Csipa, Csaba Tóbi, Viktória Gável, Péter Kónya, Csaba Szabó, Margit Fábián, Zsuzsanna Szabó-Krausz, Péter Völgyesi
{"title":"Optimized cement blend for the immobilization of simulated borate radioactive liquid waste","authors":"Gabriel Iklaga, Mojtaba Rostamiparsa, István Tolnai, Nándor Kaposy, Katalin Gméling, Emese Csipa, Csaba Tóbi, Viktória Gável, Péter Kónya, Csaba Szabó, Margit Fábián, Zsuzsanna Szabó-Krausz, Péter Völgyesi","doi":"10.1007/s10967-024-09957-x","DOIUrl":"10.1007/s10967-024-09957-x","url":null,"abstract":"<div><p>Nuclear power plants use boric acid with different <sup>10</sup>B enrichment levels (from natural ratio to 90% <sup>10</sup>B) as neutron absorber and at the end this constitutes a high-volume liquid waste. In this study, we aimed to find the optimal ratio of Portland cement and sulfoaluminate cement blend to improve the mechanical and chemical durability of final waste forms for borate immobilization. The standardized ASTM C1308-21 leaching test experimental method in combination with several analytical methods i.e. mechanical test, SEM, XRD, PGAA, ICP-OES, and ICP-MS were used to measure the boron elemental and isotopic leachability and its microstructural effect on the cement hydration characteristics of progressively increasing blend ratios of sulfoaluminate cement in Portland cement. The results indicated that the blend ratio of 20% sulfoaluminate cement to 80% Portland cement showed the best physical stability and lowest boron isotopic leachability from the final waste form.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 2","pages":"1553 - 1567"},"PeriodicalIF":1.5,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-024-09957-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chengxin Li, Peihong Mao, Guangwen Feng, Changlong Cai
{"title":"Efficient adsorption properties of uranium from wastewater using biochar derived from Hami-melon peels","authors":"Chengxin Li, Peihong Mao, Guangwen Feng, Changlong Cai","doi":"10.1007/s10967-025-10006-4","DOIUrl":"10.1007/s10967-025-10006-4","url":null,"abstract":"<div><p>The adsorption characteristics of U(VI) by Hami-melon peel biochar (HPBC) were explored. The morphology and composition of the biochar were revealed using SEM, FT-IR and XPS means. oxygenated functional groups and negatively charged groups on biochar were found to complex and electrostatically interact with U(VI). Through static adsorption experiments, the effects of temperature, time, uranium concentration, and other factors on the adsorption of uranium by biochar were studied. HPBC exhibited an excellent removal efficiency (95%) for U(VI), and kinetic and isotherm model fitting analysis indicates that this is a monolayer chemical adsorption process. The results demonstrate that Hami-melon peel biochar is an efficient biosorbent that can be used for the treatment of uranium wastewater pollution.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 3","pages":"2237 - 2249"},"PeriodicalIF":1.5,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-025-10006-4.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143706989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ali Saleh Alkadem Idriss, Nik Noor Ashikin Nik Ab Razak, Naser M. Ahmed, Youssef Aboubaker Abdulla, G. I. Efenji, Mohammed Dawood Salman
{"title":"Effect of annealing temperature on the dosimetric properties of thermoluminescence in a TiO2: Cu multilayer film under gamma-ray exposure","authors":"Ali Saleh Alkadem Idriss, Nik Noor Ashikin Nik Ab Razak, Naser M. Ahmed, Youssef Aboubaker Abdulla, G. I. Efenji, Mohammed Dawood Salman","doi":"10.1007/s10967-025-10002-8","DOIUrl":"10.1007/s10967-025-10002-8","url":null,"abstract":"<div><p>This study aims to develop a thermoluminescence (TL) dosimetry device utilizing a TiO₂: Cu multilayer film, which is fabricated using RF/DC sputtering and subjected to various annealing temperatures. The films, featuring a 5 nm-thick Cu layer, were tested under gamma-ray doses of up to 1500 mGy, displaying the highest TL intensity after annealing at 400 °C. Furthermore, annealing at 600 °C converted the films to the anatase phase, resulting in reduced roughness and improved grain size, porosity, transmittance, and absorption. The dosimetric parameters were comprehensively analyzed, focusing on homogeneity, dose-response, and repeatability, with a relative sensitivity of approximately 0.1035 compared to TLD-100, confirming their potential for TL dosimetry.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 4","pages":"2783 - 2808"},"PeriodicalIF":1.5,"publicationDate":"2025-02-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xujia Wu, Xinyu Zhao, Lijie Chen, Jing Sun, Zhongran Dai
{"title":"Efficient electrochemical removal of uranium(VI) by ACM@Ni cathode: Performance and mechanism","authors":"Xujia Wu, Xinyu Zhao, Lijie Chen, Jing Sun, Zhongran Dai","doi":"10.1007/s10967-025-10007-3","DOIUrl":"10.1007/s10967-025-10007-3","url":null,"abstract":"<div><p>Herein, a novel composite cathode material of Ni foam supported by amidoxime cellulose microspheres (ACM@Ni) has been prepared. The removal rate of U(VI) can reach 95% within 4 h under the conditions of 298.15 K, pH = 4 and 1.2 V, which was 5 times faster than the physical adsorption. The adsorption data of U(VI) were consistent with the quasi-first-order kinetic and Freundlich isotherm model, revealing the multilayer chemisorption process of uranium on the ACM-5@Ni cathode. In addition, ACM-5@Ni electrode materials also have potential application prospects in the actual treatment of uranium containing wastewater. XRD and XPS studies show that the U(VI) adsorbed by ACM-5@Ni cathode was reduced to U(IV) in the process of uranium removal.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 3","pages":"2477 - 2486"},"PeriodicalIF":1.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10967-025-10007-3.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143706879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impact of sub-cloud evaporation on precipitation isotopes with climate change in the Zhangye","authors":"Fenyan Ma, Shiyu Zheng, Lili Bao, Wenjing Xu, Fei Qiao, Shuang Wang","doi":"10.1007/s10967-025-09993-1","DOIUrl":"10.1007/s10967-025-09993-1","url":null,"abstract":"<div><p>Based on the precipitation isotopic data of Zhangye station, as well as daily meteorological data, the sub-cloud evaporation variations and their influence on precipitation isotopes with climate change were analyzed. The slope of the Local Meteoric Water Line at ground is lower than that under clouds, and the precipitation is affected by sub-cloud evaporation. Sub-cloud evaporation is most influenced by relative humidity with a negative influence, followed by precipitation amount (negative influence) and air temperature (positive influence). It is higher in the period of 2004–2020 relative to the period of 1986–2003, resulting in richer precipitation isotopes at ground in 2004–2020.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 2","pages":"1323 - 1332"},"PeriodicalIF":1.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mark A. Edwards, Andrew A. Reinhard, Allison M. Wende, Matthew E. Sanborn, Natalie T. Rice, Zachary A. Torrano, Joanna S. Denton, John R. Engel
{"title":"Model ages of three uranium metal CRMs and implications for radiochronometry data interpretation","authors":"Mark A. Edwards, Andrew A. Reinhard, Allison M. Wende, Matthew E. Sanborn, Natalie T. Rice, Zachary A. Torrano, Joanna S. Denton, John R. Engel","doi":"10.1007/s10967-025-09990-4","DOIUrl":"10.1007/s10967-025-09990-4","url":null,"abstract":"<div><p>In this study, we report <sup>230</sup>Th/<sup>234</sup>U and <sup>231</sup>Pa/<sup>235</sup>U model ages in three uranium metal certified reference materials with distinct production histories and isotopic compositions ranging from depleted to highly enriched (CRMs 112-A, 115, and 116-A). Our results provide the first model age values for these materials using multiple radiochronometers, which can be used as reference values for quality control of radiochronometry measurements performed during nuclear forensic investigations. Furthermore, we evaluate the model ages in the context of available production records for the materials, which provides insight into the processes that may impact radiochronometry systems during uranium metal production.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 4","pages":"2851 - 2860"},"PeriodicalIF":1.5,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143888583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Van Thang Nguyen, Vu Ngoc Ba, Lam Xuan Anh Dao, Huynh Truc Phuong, Nguyen Van Dong, Cong Hao Le
{"title":"Soil-to-plant transfer factors of radium for different types of plants as influenced by clay content, organic matter content and radium partition in the soil","authors":"Van Thang Nguyen, Vu Ngoc Ba, Lam Xuan Anh Dao, Huynh Truc Phuong, Nguyen Van Dong, Cong Hao Le","doi":"10.1007/s10967-025-09997-x","DOIUrl":"10.1007/s10967-025-09997-x","url":null,"abstract":"<div><p>Twelve plant and corresponding soil samples were collected in twelve agricultural fields in Vietnam for analysis. The <sup>226</sup>Ra activity concentrations (AC) varied from 24.5 to 43.1 Bq/kg (dry weight) in soil samples and 1.4–13.2 Bq/kg (dry weight) in plant samples. For seven studied plants, the soil-to-plant transfer factors of radium (TF) varied from 0.032 to 0.439 depending on plant types and the physicochemical properties of the soil. Some relationships were found between <sup>226</sup>Ra TF and the properties of soil. TF positively correlated with clay content in soil (Pearson correlation coefficient (r) = − 0.63) and organic matter (OM) in soil (r = − 0.60). A negative correlation was found between TF and AC of <sup>226</sup>Ra in porewater of soil (r = 0.66).</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 2","pages":"1671 - 1679"},"PeriodicalIF":1.5,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143481148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Efficient removal of uranium (VI) from aqueous solution by functionalized plate-like covalent organic frameworks","authors":"Jiahu Zhang, Dechun Liu, Jiyao Hu, Zhong Chen","doi":"10.1007/s10967-024-09968-8","DOIUrl":"10.1007/s10967-024-09968-8","url":null,"abstract":"<div><p>A novel plate-like covalent organic framework (COF) adsorbent (AO-MA-ATA) was synthesized via a series of thermochemical methods using amidoxime-functionalized 2-aminoterephthalic acid (H<sub>2</sub>ATA)-melamine (MA) and applied for the removal of radioactive uranium U(VI) under neutral aqueous conditions. The prepared materials were characterized using spectroscopic, X-ray, and microscopic imaging techniques, which confirmed the plate-like structure of the AO-MA-ATA COFs. Kinetic analysis indicated that U(VI) adsorption onto AO-MA-ATA followed a second-order model. The isothermal adsorption of U(VI) could be described by the Langmuir isotherm model, with a maximum adsorption capacity of 1111.1 mg g<sup>−1</sup> at 318 K and pH 7. Evaluation of the thermodynamic parameters showed that U(VI) adsorption by AO-MA-ATA was a spontaneous and exothermic process. The adsorption mechanism mainly involved chelation, rather than covalent bonding. Overall, the results presented herein indicate that AO-MA-ATA COFs can effectively remove U(VI) from aqueous solutions and are therefore promising candidates for treating uranium-containing wastewater.</p></div>","PeriodicalId":661,"journal":{"name":"Journal of Radioanalytical and Nuclear Chemistry","volume":"334 3","pages":"1987 - 2000"},"PeriodicalIF":1.5,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143707184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}