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Zhang Y, Ji J, Su B, Xu M, Wang Y, Jiao H, Li N, Zhang H, Li S, Wu J, Gao C. Fate and potential ecological risk of rare earth elements in 3000-year reclaimed soil chronosequences. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:135076. [PMID: 38991636 DOI: 10.1016/j.jhazmat.2024.135076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 06/05/2024] [Accepted: 06/28/2024] [Indexed: 07/13/2024]
Abstract
The introduction of anthropogenic inputs into natural systems may lead to enduring alterations in the innate characteristics of Rare Earth Elements (REEs). Against this backdrop, the evolutionary processes and environmental drivers of REEs in soil remain uncertain. A 3000-year soil chronosequence with uniform parent material was established in reclaimed farmland along the Yangtze River, reconstructing, for the first time, the dynamic processes of REE accumulation and fractionation over a long-time scale. Analysis of 122 soil samples showed REE concentrations ranging from 146.00 to 216.56 μg/g. Based on reclamation duration, three significant stages of REE evolution were identified: natural leaching, rapid accumulation, and stable accumulation with differentiation. Reclaimed soil after 3000 years exhibited a 14.1 % increase in REE concentrations compared to fresh sediments, attributed to anthro -pedogenic processes. Moreover, Heavy Rare Earth Elements (HREEs) accumulated faster than Light Rare Earth Elements (LREEs), particularly in deeper soils (60-100 cm), where HREE concentrations rose by 34.3 %, mainly due to acidic environments promoting HREE fixation. Additionally, the potential ecological risk posed by REEs heightened with reclamation duration, with HREEs exhibiting a sensitivity of 83 % to 94 %. Our findings stress the urgency of carefully monitoring exogenous REEs introduced through anthropogenic activities, particularly HREEs.
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Affiliation(s)
- Yalu Zhang
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - Jiachen Ji
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - Baowei Su
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - Mingxu Xu
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - Yonghong Wang
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - He Jiao
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - Ning Li
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - Huan Zhang
- School of Marine Science and Engineering, Nanjing Normal University, Nanjing 210023, China
| | - Shengfeng Li
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China
| | - Jingtao Wu
- School of Geography and Planning, Huaiyin Normal University, Huaian 223300, China
| | - Chao Gao
- School of Geography and Ocean Science, Nanjing University, Nanjing 210023, China.
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Akhi SZ, Khan R, Basir MS, Habib MA, Islam MA, Naher K, Idris AM, Khan MHR, Aldawood S, Roy DK. Exploring the alteration of environmental radioactivity in terms of compositional elements of heavy minerals in an anthropogenically affected urban river: Radiological and ecological risks assessment. MARINE POLLUTION BULLETIN 2024; 206:116694. [PMID: 39002213 DOI: 10.1016/j.marpolbul.2024.116694] [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: 04/17/2024] [Revised: 07/02/2024] [Accepted: 07/03/2024] [Indexed: 07/15/2024]
Abstract
This study explored the alteration of naturally occurring radioactive materials (NORMs: 226Ra (≈238U), 232Th, 40K) in an anthropogenically disrupted urban river-basin (Turag, Bangladesh) in terms of constitutional substances (Sc, Ti, V, Fe, La, Ce, Sm, Eu, Tb, Dy, Ho, Yb, Lu, Hf, Ta, W, Th, U) of heavy-minerals. Average activity concentrations of 226Ra (≈238U), 232Th, and 40K were 41.5 ± 12.9, 72.1 ± 27.1, and 639 ± 100 Bqkg-1, respectively which were relatively higher compared to crustal origin. ∑REEs, Ta, W, Th, and U were ~2 times higher compared to crustal values with Ce and Eu-anomalies. APCS-MLR and PMF receptor models were used to determine the various anthropogenic and/or geogenic sources of NORMs and elements. Layer-wise variations of NORMs and elements were observed to trace the response of sedimentary processes towards the incoming pollution load. Presence of REEs indicates moderate degree of ecological risk to aquatic biota. However, carcinogenic risk (3.84 × 10-4 Sv-1) were significantly higher than threshold limit.
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Affiliation(s)
- Sayma Zahan Akhi
- Institute of Nuclear Science & Technology, Bangladesh Atomic Energy Commission (BAEC), Savar, Dhaka 1349, Bangladesh; Department of Environmental Science, Bangladesh University of Professionals (BUP), Mirpur-12, Cantonment, Dhaka 1216, Bangladesh
| | - Rahat Khan
- Institute of Nuclear Science & Technology, Bangladesh Atomic Energy Commission (BAEC), Savar, Dhaka 1349, Bangladesh.
| | - Md Samium Basir
- Institute of Nuclear Science & Technology, Bangladesh Atomic Energy Commission (BAEC), Savar, Dhaka 1349, Bangladesh; Department of Environmental Science, Bangladesh University of Professionals (BUP), Mirpur-12, Cantonment, Dhaka 1216, Bangladesh
| | - Md Ahosan Habib
- Geological Survey of Bangladesh, Segunbaghicha, Dhaka 1000, Bangladesh
| | - Mohammad Amirul Islam
- Institute of Nuclear Science & Technology, Bangladesh Atomic Energy Commission (BAEC), Savar, Dhaka 1349, Bangladesh
| | - Kamrun Naher
- Institute of Nuclear Science & Technology, Bangladesh Atomic Energy Commission (BAEC), Savar, Dhaka 1349, Bangladesh
| | - Abubakr M Idris
- Department of Chemistry, College of Science, King Khalid University, Abha 62529, Saudi Arabia
| | | | - Saad Aldawood
- Department of Physics and Astronomy, College of Science, P.O. BOX 2455, King Saud University, Riyadh 11451, Saudi Arabia
| | - Dhiman Kumer Roy
- Department of Geology and Mining, University of Barishal, Barishal 8254, Bangladesh
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Sun M, Liu J, Lin K, Yuan W, Liang X, Wu H, Zhang Y, Dai Q, Yang X, Song G, Wang J. Distribution and migration of rare earth elements in sediment profile near a decommissioned uranium hydrometallurgical site in South China: Environmental implications. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 366:121832. [PMID: 39038435 DOI: 10.1016/j.jenvman.2024.121832] [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: 04/05/2024] [Revised: 07/01/2024] [Accepted: 07/09/2024] [Indexed: 07/24/2024]
Abstract
Rare earth elements have garnered increasing attention due to their strategic properties and chronic toxicity to humans. To better understand the content, migration, and ecological risk of rare earth elements in a 180 cm depth sediment profile downstream of a decommissioned uranium hydrometallurgical site in South China, X-ray powder diffraction (XRD) and High-resolution transmission electron microscope (HRTEM) were additionally used to quantify and clarify the mineral composition features. The results showed a high enrichment level of total rare earth elements in the sediment depth profile (range: 129.6-1264.3 mg/kg); the concentration variation of light rare earth elements was more dependent on depth than heavy rare earth elements. Overall, there was an obvious enrichment trend of light rare earth elements relative to heavy rare earth elements and negative anomalies of Ce and Eu. The fractionation and anomaly of rare earth elements in sediments were closely related to the formation and weathering of iron-bearing minerals and clay minerals, as confirmed by the correlation analysis of rare earth elements with Fe (r2 = 0.77-0.90) and Al (r2 = 0.50-0.71). The mineralogical composition of sediments mainly consisted of quartz, feldspar, magnetite, goethite, and hematite. Pollution assessment based on the potential ecological risk index, pollution load index (PLI), enrichment factor, and geological accumulation index (Igeo) showed that almost all the sediments had varying degrees of pollution and a high level of ecological risk. This study implied that continued environmental supervision and management are needed to secure the ecological health in terms of rare earth elements enrichment around a decommissioned uranium hydrometallurgical site. The findings may provide valuable insights for other uranium mining and hydrometallurgical areas globally.
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Affiliation(s)
- Mengqing Sun
- School of Environmental Science and Engineering, Key Laboratory of Waters Quality & Conservation in the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, China
| | - Juan Liu
- School of Environmental Science and Engineering, Key Laboratory of Waters Quality & Conservation in the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, China
| | - Ke Lin
- Earth Observatory of Singapore and Asian School of the Environment, Nanyang Technological University, Singapore
| | - Wenhuan Yuan
- School of Environmental Science and Engineering, Key Laboratory of Waters Quality & Conservation in the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, China
| | - Xiaoliang Liang
- CAS Key Laboratory of Mineralogy and Metallogeny/Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China
| | - Hanyu Wu
- Sino-French Institute of Nuclear Engineering and Technology, Sun Yat-Sen University, Zhuhai, China
| | - Ying Zhang
- School of Environmental Science and Engineering, Key Laboratory of Waters Quality & Conservation in the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, China
| | - Qunwei Dai
- School of Environment and Resource, Key Laboratory of Solid Waste Treatment and Resource Recycling, Ministry of Education, Southwest University of Science and Technology, Mianyang, China
| | - Xiao Yang
- Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
| | - Gang Song
- School of Environmental Science and Engineering, Key Laboratory of Waters Quality & Conservation in the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, China
| | - Jin Wang
- School of Environmental Science and Engineering, Key Laboratory of Waters Quality & Conservation in the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, China.
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Brouziotis AA, Heise S, Saviano L, Zhang K, Giarra A, Bau M, Tommasi F, Guida M, Libralato G, Trifuoggi M. Levels of rare earth elements on three abandoned mining sites of bauxite in southern Italy: A comparison between TXRF and ICP-MS. Talanta 2024; 275:126093. [PMID: 38615453 DOI: 10.1016/j.talanta.2024.126093] [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: 02/09/2024] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 04/16/2024]
Abstract
The essential utilization of rare earth elements (REEs) for the production of several electronic devices is making the demand for them being increased all the time. This extensive use of these elements has also increased concern about human and environmental health. Previous studies have shown that REE levels are higher in environmental samples near mining sites, and they are highly possible to be transferred to biota. In this study, REE levels were determined in environmental samples collected from three abandoned mining sites of bauxite (Gargano, Otranto, and Spinazzola) in the region of Puglia, Southern Italy. The samples were digested and analyzed by two different techniques, Total X-Ray Fluorescence (TXRF) and Inductively Coupled Plasma - Mass Spectroscopy (ICP-MS) to investigate which technique is the most suitable for analysis of the REE content in samples from abandoned mining sites of bauxite. Only 6 REEs could be detected by TXRF, while all REEs were detected in all the samples by ICP-MS. Spinazzola is the richest site and Ce the most abundant REE in all three regions. REE levels are correlated between the soil and biota samples in many cases, although the calculation of the bioconcentration factor showed that REEs are not bioaccumulative. ICP-MS seems to be a more suitable technique for analysis of the whole REE content in environmental samples from abandoned mining sites of bauxite.
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Affiliation(s)
- Antonios Apostolos Brouziotis
- University of Naples Federico II, Department of Biology, Via Vicinale Cupa Cintia 26, 80126 Naples, Italy; University of Naples Federico II, Department of Chemical Sciences, Analytical Chemistry for the Environment, Via Vicinale Cupa Cintia 26, 80126 Naples, Italy.
| | - Susanne Heise
- Hamburg University of Applied Sciences, Faculty of Life Sciences, Ulmenliet 20, 21033 Hamburg, Germany
| | - Lorenzo Saviano
- University of Naples Federico II, Department of Biology, Via Vicinale Cupa Cintia 26, 80126 Naples, Italy
| | - Keran Zhang
- Constructor University, CritMET, School of Science, Campus Ring 1, 28219, Bremen, Germany
| | - Antonella Giarra
- University of Naples Federico II, Department of Chemical Sciences, Analytical Chemistry for the Environment, Via Vicinale Cupa Cintia 26, 80126 Naples, Italy
| | - Michael Bau
- Constructor University, CritMET, School of Science, Campus Ring 1, 28219, Bremen, Germany
| | - Franca Tommasi
- Aldo Moro Bari University, Department of Plant Biology, Via E. Orabona 4, I-70124 Bari, Italy
| | - Marco Guida
- University of Naples Federico II, Department of Biology, Via Vicinale Cupa Cintia 26, 80126 Naples, Italy; University of Naples Federico II, CeSMA Advanced Metrological and Technological Service Center, Corso Nicolangelo Protopisani, 80134 Naples, Italy
| | - Giovanni Libralato
- University of Naples Federico II, Department of Biology, Via Vicinale Cupa Cintia 26, 80126 Naples, Italy; University of Naples Federico II, CeSMA Advanced Metrological and Technological Service Center, Corso Nicolangelo Protopisani, 80134 Naples, Italy
| | - Marco Trifuoggi
- University of Naples Federico II, Department of Chemical Sciences, Analytical Chemistry for the Environment, Via Vicinale Cupa Cintia 26, 80126 Naples, Italy; University of Naples Federico II, CeSMA Advanced Metrological and Technological Service Center, Corso Nicolangelo Protopisani, 80134 Naples, Italy
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da Costa Alves Filho PP, da Silveira Pereira WV, Dias YN, Ferreira de Moraes AL, Rodrigues FHS, Ramos SJ, Santos de Souza E, Fontes do Amaral AM, Fernandes AR. Artisanal mining of monazite and cassiterite in the Amazon: Potential risks of rare earth elements for the environment and human health. ENVIRONMENTAL MANAGEMENT 2024; 73:1201-1214. [PMID: 38573351 DOI: 10.1007/s00267-024-01964-8] [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: 11/10/2023] [Accepted: 03/14/2024] [Indexed: 04/05/2024]
Abstract
Artisanal mining is intensely carried out in developing countries, including Brazil and especially in the Amazon. This method of mineral exploration generally does not employ mitigation techniques for potential damages and can lead to various environmental problems and risks to human health. The objectives of this study were to quantify the concentrations of rare earth elements (REEs) and estimate the environmental and human health risks in cassiterite and monazite artisanal mining areas in the southeastern Amazon, as well as to understand the dynamics of this risk over time after exploitation. A total of 35 samples of wastes classified as overburden and tailings in active areas, as well as in areas deactivated for one and ten years were collected. Samples were also collected in a forest area considered as a reference site. The concentrations of REEs were quantified using alkaline fusion and ICP-MS. The results were used to calculate pollution indices and environmental and human health risks. REEs showed higher concentrations in anthropized areas. Pollution and environmental risk levels were higher in areas deactivated for one year, with considerable contamination factors for Gd and Sm and significant to extreme enrichment factors for Sc. Human health risks were low (< 1) in all studied areas. The results indicate that artisanal mining of cassiterite and monazite has the potential to promote contamination and enrichment by REEs.
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Affiliation(s)
| | | | - Yan Nunes Dias
- Vale Institute of Technology, Belém, Pará, 66055-090, Brazil
| | | | | | | | - Edna Santos de Souza
- Federal University of Southern and Southeastern Pará, São Félix do Xingu, Pará, 68380-000, Brazil
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Noya Y, Bijaksana S, Fajar SJ, Suryanata PB, Harlianti U, Ibrahim K, Suandayani NKT, Multi W, Bahri S. Magnetic susceptibility in the assessment of toxic heavy metal elements in the surface sediments of Inner Ambon Bay, Maluku province, Indonesia. Heliyon 2024; 10:e27497. [PMID: 38524623 PMCID: PMC10957390 DOI: 10.1016/j.heliyon.2024.e27497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 03/26/2024] Open
Abstract
The Inner Ambon Bay (IAB) is an important area for the economic development of the city of Ambon, one of only a few urban areas in eastern Indonesia. This study is intended to monitor the anthropogenic impact on IAB by employing combined rock magnetic and geochemical analyses on 20 samples collected from IAB and the surrounding rivers. Magnetic susceptibility values of samples in the IAB averaged 26.37× 10-8 m3/kg, which is relatively high and comparable to that of contaminated coastal environments. Magnetic susceptibility correlated positively with certain metals such as Cr, Co, Ni, and Mn but negatively with Hg. Geochemical analyses showed that Hg and Ag contents were relatively high but pose only moderate risk to the environment based on the geo-accumulation index. Furthermore, the potential ecological risk index (PERI) showed that there were two points that showed moderate ecological risk. Multivariate statistical analysis (principal component analysis (PCA), Pearson's correlation coefficient (PCC), and hierarchical cluster analysis (HCA)) outlined that the metallic accumulation in the sediments of IAB was related to lithological, geological, and anthropogenic impacts. Therefore, oil spills and household waste are likely major reasons for anthropogenic pollution in the sediments of the IAB.
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7
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Bakhti A, Shokouhi Z, Mohammadipanah F. Modulation of proteins by rare earth elements as a biotechnological tool. Int J Biol Macromol 2024; 258:129072. [PMID: 38163500 DOI: 10.1016/j.ijbiomac.2023.129072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 12/24/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
Although rare earth element (REE) complexes are often utilized in bioimaging due to their photo- and redox stability, magnetic and optical characteristics, they are also applied for pharmaceutical applications due to their interaction with macromolecules namely proteins. The possible implications induced by REEs through modification in the function or regulatory activity of the proteins trigger a variety of applications for these elements in biomedicine and biotechnology. Lanthanide complexes have particularly been applied as anti-biofilm agents, cancer inhibitors, potential inflammation inhibitors, metabolic elicitors, and helper agents in the cultivation of unculturable strains, drug delivery, tissue engineering, photodynamic, and radiation therapy. This paper overviews emerging applications of REEs in biotechnology, especially in biomedical imaging, tumor diagnosis, and treatment along with their potential toxic effects. Although significant advances in applying REEs have been made, there is a lack of comprehensive studies to identify the potential of all REEs in biotechnology since only four elements, Eu, Ce, Gd, and La, among 17 REEs have been mostly investigated. However, in depth research on ecotoxicology, environmental behavior, and biological functions of REEs in the health and disease status of living organisms is required to fill the vital gaps in our understanding of REEs applications.
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Affiliation(s)
- Azam Bakhti
- Department of Microbial Biotechnology, Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, 14155-6455 Tehran, Iran
| | - Zahra Shokouhi
- Department of Microbial Biotechnology, Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, 14155-6455 Tehran, Iran
| | - Fatemeh Mohammadipanah
- Pharmaceutical Biotechnology Lab, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, 14155-6455 Tehran, Iran.
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Slavković-Beškoski L, Ignjatović L, Ćujić M, Vesković J, Trivunac K, Stojaković J, Perić-Grujić A, Onjia A. Ecological and Health Risks Attributed to Rare Earth Elements in Coal Fly Ash. TOXICS 2024; 12:71. [PMID: 38251026 PMCID: PMC10818428 DOI: 10.3390/toxics12010071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 12/22/2023] [Accepted: 01/08/2024] [Indexed: 01/23/2024]
Abstract
The occurrence and distribution of yttrium and rare earth elements (REYs), along with major elements and heavy metal(loid)s (HMs) in coal fly ash (CFA) from five coal-fired power plants (CFPPs), were analyzed, and the REY-associated ecological and health risks were assessed. The individual REYs in CFA were abundant in the following order: Ce > La > Nd > Y > Pr > Gd > Sm > Dy > Er > Yb > Eu > Ho > Tb > Tm > Lu. The total REY content ranged from 135 to 362 mg/kg, averaging 302 mg/kg. The mean light-to-heavy REY ratio was 4.1, indicating prevalent light REY enrichment in CFA. Significantly positive correlations between the REYs suggested that they coexist and share similar origins in CFA. REYs were estimated to pose low to moderate ecological risks, with risk index (RI) values ranging from 66 to 245. The hazard index (HI) and target cancer risk (TCR) of REYs from CFA, estimated to be higher for children (HIc = 0.15, TCRc = 8.4 × 10-16) than for adults (HIa = 0.017, TCRa = 3.6 × 10-16), were well below the safety limits (HI = 1, TCR = 1.0 × 10-6). However, the danger to human health posed by HMs in the same CFA samples (HIc = 5.74, TCRc = 2.6 × 10-4, TCRa = 1.1 × 10-4) exceeded the safe thresholds (excl. HIa = 0.63). The mean RI and HI attributed to REYs in CFA were 14% and 2.6%, respectively, of the total risks that include HMs.
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Affiliation(s)
| | - Ljubiša Ignjatović
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12-16, 11158 Belgrade, Serbia
| | - Mirjana Ćujić
- Vinča Institute of Nuclear Sciences, University of Belgrade, Mike Petrovića Alasa 12-14, 11351 Vinča, Serbia
| | - Jelena Vesković
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia
| | - Katarina Trivunac
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia
| | - Jelena Stojaković
- Innovation Center of the Faculty of Technology and Metallurgy, Karnegijeva 4, 11120 Belgrade, Serbia
| | - Aleksandra Perić-Grujić
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia
| | - Antonije Onjia
- Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia
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Rashid A, Fang C, Qin D, Zhang Y, Nkinahamira F, Bo J, Sun Q. Spatiotemporal profile and ecological impacts of major and trace elements in surface sediments of marginal seas of the Arctic and Northern Pacific Oceans. MARINE POLLUTION BULLETIN 2023; 197:115702. [PMID: 37918145 DOI: 10.1016/j.marpolbul.2023.115702] [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: 08/25/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 11/04/2023]
Abstract
The status and ecological impacts of sedimentary elements of the marginal seas of Arctic and Northern Pacific Oceans was investigated during 2016 to 2018 by using inductively coupled plasma mass spectrometry. Industrial (0.006 mg kg-1-64.6 g kg-1), precious (0.003-43.8 mg kg-1), rare earth (0.006-112.9 mg kg-1), and heavy metal (0.009-398.9 mg kg-1) elements showed spatial variation, and temporal uniformity. The results indicated ΣREEs and light REEs enrichment compared to chondrite and heavy REEs, respectively, while nonsignificant positive and negative δCe and δEu anomalies existed, respectively. High contamination and extreme enrichment of priority control, industrial (As, Mo, Re, Sb), precious (Au, Ir, Pd, Pt, and Ru) and RE elements indicated potential moderate to high ecological and biological risks. The study highlighted the ecological importance and fragile nature of these ecosystems and calls for an urgent action to ensure sustainability of these ecosystems.
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Affiliation(s)
- Azhar Rashid
- CAS Key Laboratory of Urban Pollutant Conversion, Fujian Key Laboratory of Watershed Ecology, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Department of Environmental Sciences, The University of Haripur, Haripur 22620, Pakistan
| | - Chao Fang
- MNR Key Laboratory of Marine Ecological Conservation and Restoration, Fujian Key Laboratory of Marine Ecological Conservation and Restoration, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - Dan Qin
- CAS Key Laboratory of Urban Pollutant Conversion, Fujian Key Laboratory of Watershed Ecology, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
| | - Yusheng Zhang
- MNR Key Laboratory of Marine Ecological Conservation and Restoration, Fujian Key Laboratory of Marine Ecological Conservation and Restoration, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China
| | - François Nkinahamira
- CAS Key Laboratory of Urban Pollutant Conversion, Fujian Key Laboratory of Watershed Ecology, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Jun Bo
- MNR Key Laboratory of Marine Ecological Conservation and Restoration, Fujian Key Laboratory of Marine Ecological Conservation and Restoration, Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 361005, China.
| | - Qian Sun
- CAS Key Laboratory of Urban Pollutant Conversion, Fujian Key Laboratory of Watershed Ecology, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
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10
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Saha B, Eliason K, Golui D, Masud J, Bezbaruah AN, Iskander SM. Rare earth elements in sands collected from Southern California sea beaches. CHEMOSPHERE 2023; 344:140254. [PMID: 37742769 DOI: 10.1016/j.chemosphere.2023.140254] [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: 05/09/2023] [Revised: 09/21/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Rare earth elements (REEs) are considered the limiting resources for advancing clean technologies and electronics. Because global REEs reserve is limited, non-conventional and secondary sources are being investigated for recovery. Here, we investigated wet and dry sand from seven Southern California beaches for sixteen REEs. These include five light REEs, two medium REEs, and nine heavy REEs, separated by their atomic weight. The mass of the magnetically separated compounds ranged from 15.19 to 129.91 g per kg of dry sand in the studied sea beaches in Southern California. The total REEs concentration ranged from 1168.1 to 6816.7 μg per kg of wet sand (dry sand basis) and 1474.7-7483.8 μg per kg of dry sand. Cerium (Ce) and Yttrium (Y) were the most prevalent REEs in these beaches ranging from 387.4 to 2241.1 μg kg-1 and 104.5-2302.3 μg kg-1 of sand respectively. This study found light REEs concentration accounted for 70-80% of total rare earth elements in the studied beaches. The concentrations of the analyzed REEs were significantly different (p < 0.05) from each other in the studied beaches. Additionally, Pearson correlation showed that the REEs were strongly correlated (r ≥ 0.83) with each other in the reported sea beaches, indicating a similar origin of the REEs. The dominant heavy metals in the studied samples were Vanadium (V), Chromium (Cr), Cobalt (Co), Nickel (Ni), Copper (Cu), Zinc (Zn), and Strontium (Sr). Dominant minerals identified in sands were quartz, anorthite, ilmenite, and xenotime. All the beaches are lowly enriched with REEs, and any of the REEs caused no ecological risk or pollution. Similarly, no pollution/ecological risk was observed for the analyzed heavy metals. This study identified beach sand as a potential REEs source and demonstrated an easy separation of REEs containing magnetic compounds from sand.
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Affiliation(s)
- Biraj Saha
- Department of Civil, Construction and Environmental Engineering, North Dakota State University, Fargo, ND, 58102, USA
| | - Kira Eliason
- Department of Civil, Construction and Environmental Engineering, North Dakota State University, Fargo, ND, 58102, USA
| | - Debasis Golui
- Department of Civil, Construction and Environmental Engineering, North Dakota State University, Fargo, ND, 58102, USA; Department of Soil Science and Agricultural Chemistry, ICAR-Indian Agricultural Research Institute, Pusa Campus, New Delhi, 110 012, India
| | - Jahangir Masud
- Energy and Environmental Research Center, University of North Dakota, Grand Forks, ND, 58202, USA
| | - Achintya N Bezbaruah
- Department of Civil, Construction and Environmental Engineering, North Dakota State University, Fargo, ND, 58102, USA; Materials and Nanotechnology Program, North Dakota State University, Fargo, ND, 58108, USA; Environmental and Conservation Sciences, North Dakota State University, Fargo, ND, 58108, USA
| | - Syeed Md Iskander
- Department of Civil, Construction and Environmental Engineering, North Dakota State University, Fargo, ND, 58102, USA; Environmental and Conservation Sciences, North Dakota State University, Fargo, ND, 58108, USA.
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11
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Xia X, Jiang C, Hu M, Li Y. Geochemical characteristics and ecological risks of rare earth elements in river sediments of coal-grain composite area in eastern China. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1428. [PMID: 37938430 DOI: 10.1007/s10661-023-12071-2] [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: 07/29/2023] [Accepted: 10/30/2023] [Indexed: 11/09/2023]
Abstract
Coal and grain complex areas influence the geochemical characterization of REEs through coal mining activities and agricultural production. However, there is a lack of relevant studies. In this study, we investigated the geochemical characterization and risk assessment of REEs in river sediments of the northern Anhui plain, a typical coal-grain composite area. The results showed that the average concentrations of ∑REE in the sediments ranged from 134.7 to 220.3 μg/g, and LREE was significantly enriched. Among the 14 REEs, Gd and Eu were the most enriched, with enrichment factors of 1.792 and 1.764, respectively. In addition, the differences in REEs content and enrichment between different rivers were related to the location of coal mines and the degree of population concentration. The average values of δCe and δEu in the sediments were 0.990 and 1.080, respectively, and most of the sampling sites showed a weak positive Ce, Eu anomaly. The results of Pearson's correlation and RDA redundancy analyses showed that Fe, Al, Mn and sand contributed more to the enrichment of REEs. The river sediments in the whole area had a slight potential ecological risk, with Eu (Er=13.05) and Lu (Er=14.07) having the highest potential risk. The ADD results also showed that the average daily dose of REEs by children was around 2.000 (μg/(kg·day)), which was significantly higher than that of adults. The results of this study can be used as a basis for the prevention and control of REEs in rivers in northern Anhui Province.
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Affiliation(s)
- Xiang Xia
- School of Resources and Environmental Engineering, Anhui University, Hefei, 230601, Anhui, China
| | - Chunlu Jiang
- School of Resources and Environmental Engineering, Anhui University, Hefei, 230601, Anhui, China.
- School of Resources and Geoscience, China University of Mining and Technology, Xuzhou, 221116, Jiangsu, China.
| | - Mingyu Hu
- School of Resources and Environmental Engineering, Anhui University, Hefei, 230601, Anhui, China
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12
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Pereira WVDS, Ramos SJ, Melo LCA, Dias YN, Martins GC, Ferreira LCG, Fernandes AR. Human and environmental exposure to rare earth elements in gold mining areas in the northeastern Amazon. CHEMOSPHERE 2023; 340:139824. [PMID: 37586491 DOI: 10.1016/j.chemosphere.2023.139824] [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: 11/18/2022] [Revised: 08/09/2023] [Accepted: 08/12/2023] [Indexed: 08/18/2023]
Abstract
Rudimentary methods are used to exploit gold (Au) in several artisanal mines in the Amazon, producing hazardous wastes that may pose risks of contamination by rare earth elements (REEs). The objectives of this study were to quantify the concentrations of REEs and assess their environmental and human health risks in artisanal Au mining areas in the northeastern Amazon. Thus, 25 samples of soils and mining wastes were collected in underground, colluvial, and cyanidation exploration sites, as well as in a natural forest that was considered as a reference area. The concentrations of REEs were quantified using alkaline fusion and inductively coupled plasma mass spectrometry, and the results were used to estimate pollution indices and risks associated with the contaminants. All REEs showed higher concentrations in waste deposition areas than in the reference area, especially Ce, Sc, Nd, La, Pr, Sm, and Eu. Pollution and enrichment levels were higher in the underground and cyanidation mining areas, with very high contamination factors (6.2-27) for Ce, Eu, La, Nd, Pr, Sm, and Sc, and significant to very high enrichment factors (5.5-20) for Ce, La, Nd, Pr, and Sc. The ecological risk indices varied from moderate (167.3) to high (365.7) in the most polluted sites, but risks to human health were low in all areas studied. The results of this study indicate that artisanal Au mining has the potential to cause contamination, enrichment, and ecological risks by REEs in the northeastern Amazon. Mitigation measures should be implemented to protect the environment from the negative impacts of these contaminants.
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Affiliation(s)
- Wendel Valter da Silveira Pereira
- Institute of Agricultural Sciences, Federal Rural University of the Amazon, 66077-830, Belém, Pará, Brazil; Vale Institute of Technology - Sustainable Development, 66055-090, Belém, Pará, Brazil.
| | - Sílvio Junio Ramos
- Vale Institute of Technology - Sustainable Development, 66055-090, Belém, Pará, Brazil
| | - Leônidas Carrijo Azevedo Melo
- Department of Soil Science, School of Agricultural Sciences, Federal University of Lavras, 37200-900, Lavras, Minas Gerais, Brazil
| | - Yan Nunes Dias
- Vale Institute of Technology - Sustainable Development, 66055-090, Belém, Pará, Brazil
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13
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Weng BS, Wan RA, Yu RL, Hu GR, Yan Y, Lin CQ, Huang HB. Characteristics and provenances of rare earth elements and Nd isotopes in surface sediments of mangrove wetlands in the Jiulong River Estuary, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:73890-73898. [PMID: 37198366 DOI: 10.1007/s11356-023-27558-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 05/07/2023] [Indexed: 05/19/2023]
Abstract
Rare earth elements (REEs) and Nd isotopes are frequently employed to determine provenance, although their characteristics and provenances in the surface sediments of mangrove wetlands are rarely analyzed. In this study, a thorough analysis of the characteristics and provenances of REEs and Nd isotopes in the surface sediments of mangrove wetland in the Jiulong River Estuary was carried out. According to the results, the mean concentration of REEs in the surface sediments was 290.9 mg·kg-1, which was greater than the background value. Unpolluted to moderately polluted for La and Ce, as well as a moderate ecological risk for Lu, were indicated by the geoaccumulation index (Igeo) and potential ecological risk of individual factors ([Formula: see text]), respectively. The surface sediments showed substantial negative Eu anomalies but no significant Ce anomalies. The enrichments in LREE and flat HREE patterns are visible in the chondrite-normalized REE patterns. REEs in the surface sediments might be attributed to both natural sources (granite and magmatic rocks) and anthropogenic activities, including coal combustion, vehicle exhaust, steel smelting, and fertilizer, based on the (La/Yb)N-∑REE and ternary (La/Yb)N-(La/Sm)N-(Gd/Yb)N plots. The three-dimensional ∑LREE/∑HREE-Eu/Eu*-εNd(0) plot, when combined with the Nd isotope, further demonstrated that the REEs in the surface sediments appeared to have come from additional nonlocal potential sources.
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Affiliation(s)
- Bo-Sen Weng
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, China
- Institute of Environmental and Ecological Engineering, Huaqiao University, Xiamen, 361021, China
| | - Rui-An Wan
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, China
| | - Rui-Lian Yu
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, China.
- Institute of Environmental and Ecological Engineering, Huaqiao University, Xiamen, 361021, China.
| | - Gong-Ren Hu
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, China
- Institute of Environmental and Ecological Engineering, Huaqiao University, Xiamen, 361021, China
| | - Yu Yan
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, China
- Institute of Environmental and Ecological Engineering, Huaqiao University, Xiamen, 361021, China
| | - Cheng-Qi Lin
- Key Laboratory of Fujian Universities for Environmental Monitoring, Xiamen, 361024, China
| | - Hua-Bin Huang
- Key Laboratory of Fujian Universities for Environmental Monitoring, Xiamen, 361024, China
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Hoshyari E, Hassanzadeh N, Keshavarzi B, Jaafarzadeh N, Rezaei M. Characterization of microplastic, metals associated and ecological risk assessment in the topsoil of shiraz metropolis, south west of Iran. CHEMOSPHERE 2023; 335:139060. [PMID: 37257658 DOI: 10.1016/j.chemosphere.2023.139060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 04/11/2023] [Accepted: 05/26/2023] [Indexed: 06/02/2023]
Abstract
This research studied the occurrence, risk assessment and metals associated with microplastic (MPs) in soil of different land-use types in the south west of Iran. One hundred samples were collected from topsoil and MPs were extracted using the floatation method. In total, 9258 MPs particles with mean of 92.85 ± 119.24 particles kg-1 were counted. The mean MPs abundance in urban soils was 2.8 and 3.2 times higher than in industrial and agricultural soils, respectively. Fragment (43%) and small MPs (100-250 μm; 41%), were the dominant shape and size, respectively. Four main polymer types including Poly Ethylene (High Density Poly Ethylene and Low Density Poly Ethylene), Nylon (PA), Poly Propylene (PP), and Poly Styrene (PS) were identified. Nylon (29%) and PE (29%) were dominant polymer types. MPs particles in soil contained different levels of metals such as Cd, Cr, Cu, Fe, Hg, Pb, Zn, and Y, except La and Yb. The mean concentrations of metals were higher in MPs than in soil. The indices of MPs-induced risk (Hstudyarea=16.8) showed a hazard level (III) in the study area. Pollution load index (PLILandusetype) showed hazard level (II) for urban soils and hazard level (I) for industrial and agriculture soils, respectively. Overall, risk index indicated high to extreme danger for MPs pollution in the study area. This is the comprehensive study on the occurrence of soil MPs and associated metals, which provides basic information for a further study concerning ecosystem health in Shiraz.
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Affiliation(s)
- Ebrahim Hoshyari
- Department of Environmental Sciences, College of Faculty of Natural Resource and Environmental, Malayer University, Malayer, Iran.
| | - Nasrin Hassanzadeh
- Department of Environmental Sciences, College of Faculty of Natural Resource and Environmental, Malayer University, Malayer, Iran.
| | - Behnam Keshavarzi
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz, Iran.
| | - Nematollah Jaafarzadeh
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Mahrooz Rezaei
- Meteorology and Air Quality Group, Wageningen University & Research, Wageningen, the Netherlands.
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15
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Dos Santos-Silva JC, Potgieter-Vermaak S, Medeiros SHW, da Silva LV, Ferreira DV, Moreira CAB, de Souza Zorzenão PC, Pauliquevis T, Godoi AFL, de Souza RAF, Yamamoto CI, Godoi RHM. A new strategy for risk assessment of PM 2.5-bound elements by considering the influence of wind regimes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 872:162131. [PMID: 36773898 DOI: 10.1016/j.scitotenv.2023.162131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 01/18/2023] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
For regulatory purposes, air pollution has been reduced to management of air quality control regions (AQCR), by inventorying pollution sources and identifying the receptors significantly affected. However, beyond being source-dependent, particulate matter can be physically and chemically altered by factors and elements of climate during transport, as they act as local environmental constraints, indirectly modulating the adverse effects of particles on the environment and human health. This case study, at an industrial site in a Brazilian coastal city - Joinville, combines different methodologies to integrate atmospheric dynamics in a strategic risk assessment approach whereby the influence of different wind regimes on environmental and health risks of exposure to PM2.5-bound elements, are analysed. Although Joinville AQCR has been prone to stagnation/recirculation events, distinctly different horizontal wind circulation patterns indicate two airsheds within the region. The two sampling sites mirrored these two conditions and as a result we report different PM2.5 mass concentrations, chemical profiles, geo-accumulation, and ecological and human health risks. In addition, feedback mechanisms between the airsheds seem to aggravate the air quality and its effects even under good ventilation conditions. Recognizably, the risks associated with Co, Pb, Cu, Ni, Mn, and Zn loadings were extremely high for the environment as well as being the main contributors to elevated non-carcinogenic risks. Meanwhile, higher carcinogenic risks occurred during stagnation/recirculation conditions, with Cr as the major threat. These results highlight the importance of integrating local airshed characteristics into the risk assessment of PM2.5-bound elements since they can aggravate air pollution leading to different risks at a granular scale. This new approach to risk assessment can be employed in any city's longer-term development plan since it provides public authorities with a strategic perspective on incorporating environmental constraints into urban growth planning and development zoning regulations.
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Affiliation(s)
| | - Sanja Potgieter-Vermaak
- Ecology & Environment Research Centre, Department of Natural Science, Manchester Metropolitan University, Manchester M1 5GD, United Kingdom; Molecular Science Institute, University of the Witwatersrand, Johannesburg, South Africa
| | - Sandra Helena Westrupp Medeiros
- Department of Environmental and Sanitary Engineering, University of the Region of Joinville, Joinville, Santa Catarina, Brazil
| | - Luiz Vitor da Silva
- Department of Environmental and Sanitary Engineering, University of the Region of Joinville, Joinville, Santa Catarina, Brazil
| | - Danielli Ventura Ferreira
- Department of Environmental and Sanitary Engineering, University of the Region of Joinville, Joinville, Santa Catarina, Brazil
| | | | | | - Theotonio Pauliquevis
- Department of Environmental Sciences, Federal University of São Paulo, Diadema, São Paulo, Brazil
| | | | | | - Carlos Itsuo Yamamoto
- Department of Chemical Engineering, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Ricardo Henrique Moreton Godoi
- Postgraduate Program in Water Resources and Environmental Engineering, Federal University of Paraná, Curitiba, Paraná, Brazil; Department of Environmental Engineering, Federal University of Paraná, Curitiba, Paraná, Brazil.
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16
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Ortega-Camacho D, Acosta-González G, Sánchez-Trujillo F, Cejudo E. Heavy metals in the sediments of urban sinkholes in Cancun, Quintana Roo. Sci Rep 2023; 13:7031. [PMID: 37120694 PMCID: PMC10148832 DOI: 10.1038/s41598-023-34218-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 04/26/2023] [Indexed: 05/01/2023] Open
Abstract
Soils in urban areas can accumulate heavy metals as a result of anthropogenic inputs. This research focuses on a young coastal tourist city that has been urbanized over the last 52 years and shows accelerated demographic growth and urban development. Deposition of heavy metals in soils is caused by human economic activities, which has significant implications for the environment. We evaluated heavy metal concentrations in urban sinkholes, which are sites for the natural accumulation of water and sediments. These locations also receive rainfall runoff or have been used as unregulated dumps. By performing a multistage extraction to address availability and risk, we found that Zn, Fe and Al were the predominant metals; Cu, Pb and Ni were only detected in some sinkholes. The contamination factor was high for Zn and moderate for Pb. The geoaccumulation index showed that Zn is the most abundant and available metal in urban sinkholes and the metal with the highest potential ecological risk. Between 12 and 50% of the total concentration of all metals was extracted from the organic matter phase. Correlations were found between the degree of urbanization of the city and the degree of pollution, and the trends were stronger in older sections of the city. Zn is the most prevalent element and has high concentrations. The metal concentrations in the sediments can be used as warning signs for their potential risk to environmental and human health, and these results can be compared with those of other tourist cities in karstic environments around the world.
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Affiliation(s)
- Daniela Ortega-Camacho
- CONACYT - CICY, A.C., Unidad de Ciencias del Agua, Calle 8, No. 39, Mz. 29, S.M. 64, 77500, Cancún, Quintana Roo, Mexico
| | - Gilberto Acosta-González
- CONACYT - CICY, A.C., Unidad de Ciencias del Agua, Calle 8, No. 39, Mz. 29, S.M. 64, 77500, Cancún, Quintana Roo, Mexico
| | - Fernanda Sánchez-Trujillo
- CONACYT - CICY, A.C., Unidad de Ciencias del Agua, Calle 8, No. 39, Mz. 29, S.M. 64, 77500, Cancún, Quintana Roo, Mexico
- Universidad Tecnológica de Tehuacán, Prolongación de la 1 Sur No. 1101, San Pablo Tepetzingo Tehuacán, 75859, Puebla, Mexico
| | - Eduardo Cejudo
- CONACYT - CICY, A.C., Unidad de Ciencias del Agua, Calle 8, No. 39, Mz. 29, S.M. 64, 77500, Cancún, Quintana Roo, Mexico.
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17
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Bertoldo LA, Ribeiro A, Reis CES, Frachini E, Kroetz BL, Abrão T, Santos MJ. Environmental risk assessment of potentially toxic elements in Doce River watershed after mining sludge dam breakdown in Mariana, MG, Brazil. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:539. [PMID: 37017824 DOI: 10.1007/s10661-023-11080-5] [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: 08/25/2022] [Accepted: 03/02/2023] [Indexed: 06/19/2023]
Abstract
Faced with a potential risk of a colossal amount of sludge released into the Doce River basin in the most shocking Brazilian mining disaster, we proposed to assess the environmental risk from a new perspective: Understanding the mobilization of potentially toxic elements (PTE) with the geochemical fractions. Soil and sediment samples were taken in nine sites throughout the basin and characterized. The environmental risk was assessed from the PTE sequential extraction in three fractions: soluble, reducible, and oxidizable, in addition to the pseudo-total concentration. The potential mobile fraction (PMF) showed a considerable PTE mobilization from the soil and sediment samples. Principal component statistical analysis indicated the sludge as the single source of PTE. The risk assessment depended on the fractional distribution and the PTE enrichment degree in the affected samples. The fractional distribution contributed mainly to Mn, Sb, and Pb mobility, with PMF of 96%, 81%, and 100%, respectively. The mobilization of Cd, Co, Ag, Ni, Pb, Zn, and Cu was predominantly related to the degree of enrichment. The risk assessment from the geochemical fractions pointed to the magnitude of the disaster and the dispersion of PTE with severe effects on the affected populations. Therefore, more strongly enforced regulations in the basin are needed, in addition to the urgent use of more secure containment dams. It is also essential to emphasize the transferability of the design of this study to other environmental units in mining disaster conditions.
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Affiliation(s)
- Leticia A Bertoldo
- Chemistry Department, Londrina State University, Celso Garcia Cid Highway, Londrina, 86057-970, Paraná, Brazil
| | - Angelita Ribeiro
- Chemistry Department, Londrina State University, Celso Garcia Cid Highway, Londrina, 86057-970, Paraná, Brazil
| | - Cecília E S Reis
- Chemistry Department, Londrina State University, Celso Garcia Cid Highway, Londrina, 86057-970, Paraná, Brazil
| | - Emilli Frachini
- Chemistry Department, Londrina State University, Celso Garcia Cid Highway, Londrina, 86057-970, Paraná, Brazil
| | - Barbara L Kroetz
- Chemistry Department, Londrina State University, Celso Garcia Cid Highway, Londrina, 86057-970, Paraná, Brazil
| | - Taufik Abrão
- Electrical Engineering Department, Londrina State University, Celso Garcia Cid Highway, Londrina, 86057-970, Paraná, Brazil
| | - Maria Josefa Santos
- Chemistry Department, Londrina State University, Celso Garcia Cid Highway, Londrina, 86057-970, Paraná, Brazil.
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18
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Akarsu C, Sönmez VZ, Sivri N. Potential Ecological Risk Assessment of Critical Raw Materials: Gallium, Gadolinium, and Germanium. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 84:368-376. [PMID: 37031287 DOI: 10.1007/s00244-023-00994-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 03/24/2023] [Indexed: 06/19/2023]
Abstract
In recent years, the demand for critical raw materials such as gallium, gadolinium and germanium (G(s)) has steadily increased in various industries. However, treatment or recycling rates of these elements are extremely low, which can lead to environmental pollution. An assessment of the ecological risks was also not possible until now, as there were no calculated toxicity coefficients for G(s). In this study, a well-known method, the so-called potential ecological risk index (PERI), was used for the first time to calculate the toxicity coefficients of these elements using data from recent literature studies on G(s) elements. The toxicity coefficient of each of the three elements was determined as five (5). The results show that G(s) have the same toxicity coefficient as Cu and Pb and are higher than that of Cr. The ecological risk index results varied from 4 to 414, 0.98 to 25.98 and 2.50 to 284.64 for Ga, Gd and Ge, respectively. The results show that Ga and Ge pose high ecological risk while the Eri of Gd is low. The toxicity coefficients of these elements have been calculated for the first time in the literature and provide a practical use for calculating the potential ecological risk index.
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Affiliation(s)
- Ceyhun Akarsu
- Department of Environmental Engineering, Istanbul University-Cerrahpaşa, 34320, Avcılar, Istanbul, Turkey
| | - Vildan Zülal Sönmez
- Department of Environmental Engineering, Istanbul University-Cerrahpaşa, 34320, Avcılar, Istanbul, Turkey.
| | - Nüket Sivri
- Department of Environmental Engineering, Istanbul University-Cerrahpaşa, 34320, Avcılar, Istanbul, Turkey
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19
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Liu Z, Gu X, Lian M, Wang J, Xin M, Wang B, Ouyang W, He M, Liu X, Lin C. Occurrence, geochemical characteristics, enrichment, and ecological risks of rare earth elements in sediments of "the Yellow river-Estuary-bay" system. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 319:121025. [PMID: 36621719 DOI: 10.1016/j.envpol.2023.121025] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/15/2022] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
Recent studies have suggested that rare earth elements (REEs) are contaminants of emerging concern. Moreover, the understanding of the occurrence and risks of REEs in river-estuary-bay systems is limited. The present study investigated the distributions, geochemical characteristics, and ecological risks of Y and 14 REEs (La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu) in sediments from the Yellow River to its estuary and adjacent Laizhou Bay. The average total concentrations of Y and REEs in the sediments generally increased from the Yellow River (149 mg/kg) to the estuary (165 mg/kg) and Laizhou Bay (173 mg/kg). In the estuarine core sediments, the concentrations of Y, light REEs (LREEs), and heavy REEs (HREEs) were in the ranges of 19.5-31.4 mg/kg, 58.6-156 mg/kg, and 12.3-19.1 mg/kg, respectively, from the 1700s to 2018, showing no obvious increasing or decreasing trends. The surface and core sediments from the river to the bay were characterized by obvious fractionation between LREEs and HREEs. In sediments, Fe minerals and clay are believed to promote the accumulation of REEs, especially HREEs. The enrichment levels of REEs generally increased from the middle reaches of the Yellow River to the bay, and Gd, Tb, Dy, Ho, Yb, and Lu were the most enriched elements in the sediments. Lu had moderate potential ecological risks in sediments of "the Yellow River-estuary-bay" system, and other REEs had relatively low ecological risks. The potential ecological risk indices of Y and REEs ranged from 78.7 to 144, showing increasing trends from the Yellow River to its estuary and adjacent bay, which should raise concerns regarding emerging contaminant management around estuarine and coastal regions.
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Affiliation(s)
- Ziyu Liu
- School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Xiang Gu
- School of Environment, Beijing Normal University, Beijing, 100875, China.
| | - Maoshan Lian
- School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Jing Wang
- College of Water Sciences, Beijing Normal University, Beijing, 100875, China
| | - Ming Xin
- First Institute of Oceanography, Ministry of Natural Resources, Qingdao, 266061, China
| | - Baodong Wang
- First Institute of Oceanography, Ministry of Natural Resources, Qingdao, 266061, China
| | - Wei Ouyang
- School of Environment, Beijing Normal University, Beijing, 100875, China; Advanced Interdisciplinary Institute of Environment and Ecology, Beijing Normal University, Zhuhai, 519087, China
| | - Mengchang He
- School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Xitao Liu
- School of Environment, Beijing Normal University, Beijing, 100875, China
| | - Chunye Lin
- School of Environment, Beijing Normal University, Beijing, 100875, China
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20
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Zhao B, Sun Z, Guo Y, Zhou Z, Wang X, Ke P. Occurrence characteristics of uranium mineral-related substances in various environmental media in China: A critical review. JOURNAL OF HAZARDOUS MATERIALS 2023; 441:129856. [PMID: 36115096 DOI: 10.1016/j.jhazmat.2022.129856] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 08/17/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
The high demand and extensive exploitation of uranium resources resulted in the ubiquity and high detection levels of uranium mineral-related substances in various environment media in China. The potential adverse effects of uranium mineral-related substances on environment and human health have received extensive attention. Therefore, we reviewed the occurrence and spatial distribution of uranium mineral-related substances in various basins and environmental media in China to obtain an overall understanding. We collected information from over 70 papers reporting the occurrence and distribution of uranium mineral-related substances in multiple environments and 183 articles on the genesis of uranium deposits in China from 2001 to 2021. Then the occurrence of uranium mineral-related substances and corresponding correlation in different basins, environmental media and depth ranges were compared in detail. And this review assessed the uranium mineral-related pollution in China based on various environmental quality standards of China, EPA and WHO, and proposed the priority uranium mineral-related heavy metals and radioactive substances based on cluster analysis. This review showed that there were obvious differences in the occurrence characteristics of various uranium mineral-related substances in different environmental media, especially in the surrounding environment of sandstone type and hard rock type uranium deposits. These results will guide us to tackle the challenge of uranium mineral-related pollution in China. The correlation analysis of uranium mineral-related pollutants in different environmental media and the identification of priority pollutants will also provide instructions for us to control uranium mineral-related pollution. Finally, we put forward a series of urgent and practical suggestions on risk management and control of uranium mining according to the current situation of uranium mining environment in China, which is of guiding significance for the realization of "green uranium mining".
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Affiliation(s)
- Bei Zhao
- China University of Geosciences (Beijing), Beijing 100083, China
| | - Zhanxue Sun
- China University of Geosciences (Beijing), Beijing 100083, China; State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China.
| | - Yadan Guo
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
| | - Zhongkui Zhou
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
| | - Xuegang Wang
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
| | - Pingchao Ke
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, China
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Hoshyari E, Hassanzadeh N, Keshavarzi B, Jaafarzadeh N, Rezaei M. Spatial distribution, source apportionment, and ecological risk assessment of elements (PTEs, REEs, and ENs) in the surface soil of shiraz city (Iran) under different land-use types. CHEMOSPHERE 2023; 311:137045. [PMID: 36419265 DOI: 10.1016/j.chemosphere.2022.137045] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/23/2022] [Accepted: 10/26/2022] [Indexed: 05/16/2023]
Abstract
In this study, 100 samples were collected from the topsoil of different land-use types (urban, industrial and agricultural) in Shiraz. The content of 26 elements was analyzed. CF, EF, Igeo, NPI, and PLI indices were used to evaluate soil pollution. Ecological risk assessment of metals was calculated by using Er and RI indexes. PCA analysis and the PMF model were used to determine the source of metals in soil. Also, the spatial distribution of metals and risk index were plotted using inverse distance weighting (IDW) with ArcGIS software (10.3). The metal concentrations in the soil ranged from 0.2067 ± 0.0946 (Ag) to 85,673.50 ± 4689.27 (Ca) mg kg-1. The results show that all elements' Concentration in soils was lower than the DOE level. The mean concentration of All rare earth elements (REEs) was lower than WSA and ECM values. Hotspot points pollution of some metals such as Pb, Cd, and Ni are located in high-traffic parts of the urban area. Otherwise, hot spot points of As pollution are located in industrial sample points. Results of indexes show that Sb in urban and agricultural soils have highe mean values of CF (6.75 and 6.85) and Iegeo (2.17 and 2.13), respectively. In industrial soils, S has highe mean values of CF (14.95), EF (100.26), and Igeo (2.95). The PLI index shows that REEs (PLI <1) have no pollution, but PTEs and ENs have pollution (PLI >1). The mean Er, value shows that Sb (127.33) and Cd (104) have significant risk among metals. PCA and PMF models show that The main sources of elements in shiraz soil are vehicularly emitted, fertilizer use, sewage irrigation, atmospheric deposition, and parent material. Generally, results show that Most of the study area has considerable risk, especially concerning PTEs. So, it is recommended to pay more attention to the issue of traffic in the urban environment in to improve the state of the urban area.
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Affiliation(s)
- Ebrahim Hoshyari
- Department of Environmental Sciences, College of Faculty of Natural Resource and Environmental, Malayer University, Malayer, Iran.
| | - Nasrin Hassanzadeh
- Department of Environmental Sciences, College of Faculty of Natural Resource and Environmental, Malayer University, Malayer, Iran.
| | - Behnam Keshavarzi
- Department of Earth Sciences, College of Science, Shiraz University, Shiraz, Iran.
| | - Nematollah Jaafarzadeh
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Mahrooz Rezaei
- Meteorology and Air Quality Group, Wageningen University & Research, Wageningen, the Netherlands.
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22
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Nassiri O, Rhoujjati A, Moreno-Jimenez E, Hachimi MLEL. Assessment of metallic trace elements mobility from mine tailing and soils around abandoned Pb mine site in North East Morocco. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2022. [DOI: 10.1080/16583655.2022.2128564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Oumayma Nassiri
- Laboratoire Géoressources, Unité Associée au CNRST (URAC 42), Faculté des Sciences et Techniques Marrakech, Guéliz Marrakech, Morocco
| | - Ali Rhoujjati
- Laboratoire Géoressources, Unité Associée au CNRST (URAC 42), Faculté des Sciences et Techniques Marrakech, Guéliz Marrakech, Morocco
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23
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Lian Z, Han Y, Zhao X, Xue Y, Gu X. Rare earth elements in the upland soils of northern China: Spatial variation, relationships, and risk assessment. CHEMOSPHERE 2022; 307:136062. [PMID: 35981620 DOI: 10.1016/j.chemosphere.2022.136062] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 06/17/2022] [Accepted: 08/09/2022] [Indexed: 06/15/2023]
Abstract
While global demand for rare earth elements (REEs) is rapidly growing, recent studies have suggested that REEs are pollutants of emerging concern. In this study, the spatial distribution and risk assessments of REEs in the upland soils of northern China were comprehensively investigated. The total REE concentrations ranged from 81 to 180 mg/kg, with average concentrations of 123, 128, and 98.3 mg/kg in the northwestern, northern, and northeastern zones, respectively. The decreasing trend of REE contents from northwest to northeast might be influenced by variation in the REE metallogenic belt distribution, mining activities, and precipitation intensity in these regions. The ratio of light rare elements (LREEs) to heavy rare elements (HREEs) ranged from 5.04 to 9.06, revealing obvious fractionation between them in upland soils and indicating that LREEs enrichment was common in northern China. The significantly positive correlations between the REEs indicated that REEs might frequently coexist and share similar sources in the upland soils of northern China. Based on a modified ecological risk index (eRI), REEs were estimated to pose relatively low ecological risks to current environmental residues, with eRI values ranging from 0.564 to 0.984. Fortunately, the estimated daily intakes of REEs from soils for children (1.08-2.41 μg/kg/day) and adults (0.119-0.312 μg/kg/day) were well below the safety thresholds. However, the health risks posed by REEs in upland soils were estimated to be higher for children. Thus, the continuous monitoring of REE abundance in soils is essential to avoid potential health risks.
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Affiliation(s)
- Zhongmin Lian
- College of Ecology, Lanzhou University, Lanzhou, 730000, China
| | - Yixuan Han
- Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Xumao Zhao
- College of Ecology, Lanzhou University, Lanzhou, 730000, China.
| | - Yinglan Xue
- Institutes of Science and Development, Chinese Academy of Sciences, Beijing, 100190, China; State Environmental Protection Key Laboratory of Environmental Planning and Policy Simulation, Chinese Academy of Environmental Planning, Beijing, 100012, China.
| | - Xiang Gu
- School of Environment, Beijing Normal University, Beijing, 100875, China
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24
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Pereira WVDS, Ramos SJ, Melo LCA, Braz AMDS, Dias YN, Almeida GVD, Fernandes AR. Levels and environmental risks of rare earth elements in a gold mining area in the Amazon. ENVIRONMENTAL RESEARCH 2022; 211:113090. [PMID: 35278468 DOI: 10.1016/j.envres.2022.113090] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 02/20/2022] [Accepted: 03/04/2022] [Indexed: 06/14/2023]
Abstract
Artisanal gold (Au) mining may have increased the concentrations of rare earth elements (REEs) in the Serra Pelada mine (southeastern Amazon, Brazil), which has not been evaluated so far. The objectives of this study were to determine the concentrations of cerium (Ce), lanthanum (La), scandium (Sc), and yttrium (Y) in the surroundings of the Serra Pelada mine, as well as the environmental risks associated with these elements. Therefore, 27 samples were collected in agricultural, forest, mining, and urban areas, and submitted to chemical and particle size characterization. The concentrations of REEs were quantified by inductively coupled plasma mass spectrometry (ICP-MS) and used to estimate pollution indices and environmental risks of the studied elements. All REEs had higher levels in the anthropized areas when compared to the forest area, except Sc in the mining and urban areas. Pollution load indices revealed that all areas are contaminated (>1) by the combined effect of REEs, especially the agricultural areas (index of 2.3). The element of greatest enrichment in the studied areas was Y, with enrichment factors of 18.2, 39.0, and 44.4 in the urban, agriculture, and mining areas, respectively. However, the potential ecological risk indices were low (<150) in all areas, indicating that there are no current environmental risks by the studied REEs.
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Affiliation(s)
| | - Sílvio Junio Ramos
- Vale Institute of Technology - Sustainable Development, 66055-090, Belém, Pará, Brazil
| | - Leônidas Carrijo Azevedo Melo
- Department of Soil Science, School of Agricultural Sciences, Federal University of Lavras, 37200-900, Lavras, Minas Gerais, Brazil
| | | | - Yan Nunes Dias
- Institute of Agricultural Sciences, Federal Rural University of the Amazon, 66077-830, Belém, Pará, Brazil
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Demidof DCH, Alvarado-Flores J, Acosta-González G, Ortega-Camacho D, Pech-Chi SY, Borbolla-Vázquez J, Díaz-Hernández JA, Cejudo E. Distribution and ecological risk of metals in an urban natural protected area in the Riviera Maya, Mexico. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:579. [PMID: 35819507 DOI: 10.1007/s10661-022-10244-z] [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: 05/06/2022] [Accepted: 06/28/2022] [Indexed: 05/16/2023]
Abstract
Urbanization can negatively impact natural protected areas near or surrounded by cities, and such impacts include untreated wastewater discharge, leachates from dumpsters, e-waste, and road dust. In this research, we show that not only large cities with industry are prone to be polluted, but also young touristic cities with high population increase rate can suffer from urban contamination. We evaluated metal pollution in a natural protected area within a 50-year-old city without conventional industry that was likely contaminated by the urban sprawl around the protected area. We tested water, zooplankton, sediment and plant samples for metallic elements to evaluate their bioaccumulation in zooplankton, enrichment factors and geoaccumulation index values in sediments, and translocation factors in plants. Finally, we evaluated the ecological risk due to metal contamination. Metals at levels above our detection limit (20 µg/L) were not found in the water and zooplankton samples. The sediments and plants in the storm drain section of the protected area had a greater concentration of metals and wastewater indicators (coliforms) than those in the rest of the lagoon. Moreover, signs of Al, Cu, Ni, Zn, Cr, Pb, and Ti contamination were found in the plant tissues. We estimated that the ecological risk of this natural protected area surrounded by the city of Cancun (Mexico) ranged from mild to strong, with Zn being the metal of most concern. The results highlight that young touristic cities around the world will endure contamination from urban sources; signs or early warnings of contamination must be identified to prevent and resolve such issues.
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Affiliation(s)
- Dino C H Demidof
- CONACYT - CICY A.C. Water Sciences Unit, Calle 8, No. 39, Mz 29, SM 64, 77524, Cancún, Quintana Roo, Mexico
| | - Jesús Alvarado-Flores
- CONACYT - CICY A.C. Water Sciences Unit, Calle 8, No. 39, Mz 29, SM 64, 77524, Cancún, Quintana Roo, Mexico
| | - Gilberto Acosta-González
- CONACYT - CICY A.C. Water Sciences Unit, Calle 8, No. 39, Mz 29, SM 64, 77524, Cancún, Quintana Roo, Mexico
| | - Daniela Ortega-Camacho
- CONACYT - CICY A.C. Water Sciences Unit, Calle 8, No. 39, Mz 29, SM 64, 77524, Cancún, Quintana Roo, Mexico
| | - Saasil Yeimy Pech-Chi
- CONACYT - CICY A.C. Water Sciences Unit, Calle 8, No. 39, Mz 29, SM 64, 77524, Cancún, Quintana Roo, Mexico
- Ingeniería Ambiental, Universidad del Caribe, Fraccionamiento Tabachines, Mz. 1, SM 78, 77528, Cancún, Quintana Roo, Mexico
| | - Jessica Borbolla-Vázquez
- Ingeniería Ambiental, Universidad del Caribe, Fraccionamiento Tabachines, Mz. 1, SM 78, 77528, Cancún, Quintana Roo, Mexico
- Ingeniería en Biotecnología, Universidad Politécnica de Quintana Roo, Av. Arco Bicentenario, Mz. 11, Lote 1119-33 SM 255, Cancún, Quintana Roo, Mexico
| | - Job Alí Díaz-Hernández
- Ingeniería Ambiental, Universidad del Caribe, Fraccionamiento Tabachines, Mz. 1, SM 78, 77528, Cancún, Quintana Roo, Mexico
- Ingeniería en Biotecnología, Universidad Politécnica de Quintana Roo, Av. Arco Bicentenario, Mz. 11, Lote 1119-33 SM 255, Cancún, Quintana Roo, Mexico
| | - Eduardo Cejudo
- CONACYT - CICY A.C. Water Sciences Unit, Calle 8, No. 39, Mz 29, SM 64, 77524, Cancún, Quintana Roo, Mexico.
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26
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Lanthanides Toxicity in Zebrafish Embryos Are Correlated to Their Atomic Number. TOXICS 2022; 10:toxics10060336. [PMID: 35736944 PMCID: PMC9227082 DOI: 10.3390/toxics10060336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/15/2022] [Accepted: 06/17/2022] [Indexed: 02/04/2023]
Abstract
Rare earth elements (REEs) are critical metallic materials with a broad application in industry and biomedicine. The exponential increase in REEs utilization might elevate the toxicity to aquatic animals if they are released into the water due to uncareful handling. The specific objective of our study is to explore comprehensively the critical factor of a model Lanthanide complex electronic structures for the acute toxicity of REEs based on utilizing zebrafish as a model animal. Based on the 96 h LC50 test, we found that the majority of light REEs display lower LC50 values (4.19–25.17 ppm) than heavy REEs (10.30–41.83 ppm); indicating that they are atomic number dependent. Later, linear regression analyses further show that the average carbon charge on the aromatic ring (aromatic Cavg charge) can be the most significant electronic structural factor responsible for the Lanthanides’ toxicity in zebrafish embryos. Our results confirm a very strong correlation of LC50 to Lanthanide’s atomic numbers (r = 0.72), Milliken charge (r = 0.70), and aromatic Cavg charge (r = −0.85). This most significant correlation suggests a possible toxicity mechanism that the Lanthanide cation’s capability to stably bind to the aromatic ring on the residue of targeted proteins via a covalent chelating bond. Instead, the increasing ionic bond character can reduce REEs’ toxicity. In addition, Lanthanide toxicity was also evaluated by observing the disruption of photo motor response (PMR) activity in zebrafish embryos. Our study provides the first in vivo evidence to demonstrate the correlation between an atomic number of Lanthanide ions and the Lanthanide toxicity to zebrafish embryos.
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27
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Rodríguez L, González-Corrochano B, Medina-Díaz HL, López-Bellido FJ, Fernández-Morales FJ, Alonso-Azcárate J. Does environmental risk really change in abandoned mining areas in the medium term when no control measures are taken? CHEMOSPHERE 2022; 291:133129. [PMID: 34861264 DOI: 10.1016/j.chemosphere.2021.133129] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/23/2021] [Accepted: 11/28/2021] [Indexed: 06/13/2023]
Abstract
Studies regarding how environmental risk evolves in abandoned mining areas in the medium term have been seldom carried out. The answer to this question is not obvious despite it is essential in order to evaluate the need to take urgent control measures in these areas. Fifty-two samples corresponding to soils (from natural pasture and arable lands) and mine tailings were collected in the surroundings of an old Spanish Pb/Zn mine (San Quintín, Central Spain). Current concentrations of pseudo-total and available metal (loid)s (Pb, Zn, Cd, Cu, As and Ag) were determined and the environmental risk assessment (ERA) was conducted with these data and those corresponding to a sampling previously carried out in 2006. ERA was carried out by calculating the geoaccumulation index (Igeo), the pollution load index (PLI) and the potential ecological risk index (PER). Results demonstrated that Pb and Zn concentrations have increased in the soils of the plots surrounding the mining areas causing a moderate rise in most of the determined pollution indices between 2006 and 2020. It was especially significant in the pastureland areas, with increases up to 17% in the number of soil samples that reached the highest risk classification in 2020 as compared to those taken in 2006. The results obtained here demonstrate that the environmental risk can actually increase in a continuous way in abandoned mining areas despite the closure of the mining operation and the effect of the possible natural attenuation.
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Affiliation(s)
- Luis Rodríguez
- Chemical Engineering Department, Institute for Chemical and Environmental Technology ITQUIMA, University of Castilla-La Mancha, Avenida Camilo José Cela, S/n, 13071, Ciudad Real, Spain.
| | - Beatriz González-Corrochano
- Department of Physical Chemistry, Faculty of Environmental Sciences and Biochemistry, University of Castilla-La Mancha, Avenida Carlos III, S/n, 45071, Toledo, Spain
| | - Hassay L Medina-Díaz
- Chemical Engineering Department, Institute for Chemical and Environmental Technology ITQUIMA, University of Castilla-La Mancha, Avenida Camilo José Cela, S/n, 13071, Ciudad Real, Spain
| | - Francisco J López-Bellido
- Chemical Engineering Department, Institute for Chemical and Environmental Technology ITQUIMA, University of Castilla-La Mancha, Avenida Camilo José Cela, S/n, 13071, Ciudad Real, Spain
| | - Francisco J Fernández-Morales
- Chemical Engineering Department, Institute for Chemical and Environmental Technology ITQUIMA, University of Castilla-La Mancha, Avenida Camilo José Cela, S/n, 13071, Ciudad Real, Spain
| | - Jacinto Alonso-Azcárate
- Department of Physical Chemistry, Faculty of Environmental Sciences and Biochemistry, University of Castilla-La Mancha, Avenida Carlos III, S/n, 45071, Toledo, Spain
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28
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Godwyn-Paulson P, Jonathan MP, Rodríguez-Espinosa PF, Rodríguez-Figueroa GM. Rare earth element enrichments in beach sediments from Santa Rosalia mining region, Mexico: An index-based environmental approach. MARINE POLLUTION BULLETIN 2022; 174:113271. [PMID: 34968827 DOI: 10.1016/j.marpolbul.2021.113271] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
Baseline data on concentration, fractionation, pollution level and ecological risk index for seventeen beach sediments from Santa Rosalia mining region of Baja California Sur, Mexico were assessed. Higher concentrations of Rare Earth Elements (REEs) (mean. 341.49 μg/g) indicated that it is higher than most of the mining regions around the world. Normalization pattern showed enrichment of Eu (>4) and calculated geochemical indices revealed that light and middle REEs are moderately polluted with most of the sampling points located closer to the river discharge. Potential Ecological Risk Index (PERI) showed that Eu (20.2), Tb (20.88), and Lu (28.57) pose moderate ecological risk to the soil at selected stations (10, 11, 15 and 16) with a risk index value ranging from 245 to 359. Pearson's correlation matrix suggested that all REEs are highly correlated (r2 0.95) with each other having similar geochemical characteristics and indicating identical source due to continuous mining activity.
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Affiliation(s)
- P Godwyn-Paulson
- Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo (CIIEMAD), Instituto Politécnico Nacional (IPN), Calle 30 de Junio de 1520, Barrio la Laguna Ticomán, Del. Gustavo A. Madero, C.P.07340 Ciudad de México, Mexico
| | - M P Jonathan
- Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo (CIIEMAD), Instituto Politécnico Nacional (IPN), Calle 30 de Junio de 1520, Barrio la Laguna Ticomán, Del. Gustavo A. Madero, C.P.07340 Ciudad de México, Mexico.
| | - P F Rodríguez-Espinosa
- Centro Interdisciplinario de Investigaciones y Estudios sobre Medio Ambiente y Desarrollo (CIIEMAD), Instituto Politécnico Nacional (IPN), Calle 30 de Junio de 1520, Barrio la Laguna Ticomán, Del. Gustavo A. Madero, C.P.07340 Ciudad de México, Mexico
| | - G M Rodríguez-Figueroa
- Centro Interdisciplinario de Ciencias Marinas, Instituto Politécnico Nacional, Avenida de IPN s/n, Col. Playa Palo de Santa Rita, Apdo. Postal 592, La Paz, Baja California Sur 23096, Mexico
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Zhang X, Eto Y, Aikawa M. Risk assessment and management of PM 2.5-bound heavy metals in the urban area of Kitakyushu, Japan. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 795:148748. [PMID: 34328942 DOI: 10.1016/j.scitotenv.2021.148748] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/24/2021] [Accepted: 06/25/2021] [Indexed: 06/13/2023]
Abstract
The sampling campaign of PM2.5 was carried out in Kitakyushu City on the western edge of Japan from 2013 to 2019, and 29 heavy metals loaded in PM2.5 were measured in this study. During the whole sampling period, the PM2.5 mass concentration ranged from 6.3 μg·m-3 to 57.5 μg·m-3, with a median value of 21.3 μg·m-3, and the sum concentration of heavy metals only accounted for 3%. According to the enrichment factor (EF) and geo-accumulation index (Igeo) analysis, it can be known that Se, Mo, Pb, As, Zn, W, Sb, Cu, V, Cr, Ni, and Cs were mainly from anthropogenic sources, which had EF values larger than 10 and Igeo values larger than 0. The comprehensive ecological risk index for these 12 anthropogenic metals was far greater than 600. This large index showed severe metal pollution and very high ecological risk in the urban area of Kitakyushu, Japan, which should be paid great attention. The human health assessment result further revealed that children living at the sampling site faced severe non-carcinogenic risk (HI = 7.8) and moderate carcinogenic risk (CR = 1.2 × 10-4), and oral ingestion was basically the most important exposure pathway, followed by dermal contact and inhalation. The priority control metals included Mo, Se, As, Pb, Sb, and Cr; moreover, the concentration-weighted trajectory analysis (CWT) indicated that Mo, Sb, and Cr were from ship emissions because some shipping routes around the Kyushu area were identified as their potential pollution source regions, while Se, As, and Pb were carried by the air masses from the Asian landmass. Overall, although the PM2.5 concentration in the urban area of Kitakyushu, Japan was not high, the heavy metal risk cannot be overlooked; it is necessary to strengthen the source control of high-risk metals and raise public protection awareness.
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Affiliation(s)
- Xi Zhang
- Faculty of Environmental Engineering, The University of Kitakyushu, 1-1, Hibikino, Wakamatsu, Kitakyushu, Fukuoka 808-0135, Japan
| | - Yuko Eto
- Institute of Health and Environmental Sciences, City of Kitakyushu, 1-2-1 Shin-ike, Tobata-ku, Kitakyushu, Fukuoka 804-0082, Japan
| | - Masahide Aikawa
- Faculty of Environmental Engineering, The University of Kitakyushu, 1-1, Hibikino, Wakamatsu, Kitakyushu, Fukuoka 808-0135, Japan.
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30
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El Zrelli R, Baliteau JY, Yacoubi L, Castet S, Grégoire M, Fabre S, Sarazin V, Daconceicao L, Courjault-Radé P, Rabaoui L. Rare earth elements characterization associated to the phosphate fertilizer plants of Gabes (Tunisia, Central Mediterranean Sea): Geochemical properties and behavior, related economic losses, and potential hazards. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 791:148268. [PMID: 34139493 DOI: 10.1016/j.scitotenv.2021.148268] [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: 04/04/2021] [Revised: 05/30/2021] [Accepted: 05/31/2021] [Indexed: 06/12/2023]
Abstract
This is the first study on the behavior and industrial fluxes of rare earth elements (REE) in the coastal fertilizer plants of Gabes (south-eastern Tunisia), the economic losses related to their wastes, and their environmental and human health hazards. The concentrations of 16 REE were assessed in phosphate rock (PR), phosphogypsum (PG) and phosphogypsum foam (PGF) samples, collected from Gabes plants. REE concentrations ranged from 0.23 (for Sc in PG) to 309.33 mg kg-1 (for Ce in PGF). Ce was the most abundant in the three matrices, with concentrations ranging between 80.40 (in PG) and 309.33 mg kg-1 (in PGF). PGF was the most enriched with REE (1075.32 mg kg-1). The annual flow of REE from the fertilizer factories to the marine environment may reach 1523.67 t. The economic losses related to the discharge of phosphogypsum REE in the Gulf of Gabes (GG) was estimated at ~58 million US$ y-1. The potential hazards of discharged REE on the local environment and human health were also evaluated and discussed. These findings show the need for the development of a new industry exploiting REE from phosphogypsum wastes (short term) and phosphate ores (long term) which should lead to reduce its high environmental and human health footprint and to potential economic gains.
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Affiliation(s)
| | | | | | - Sylvie Castet
- Géosciences Environnement Toulouse (GET), Université de Toulouse, UMR 5563 CNRS/UPS/IRD/CNES, 14 Avenue Edouard Belin, 31400 Toulouse, France
| | - Michel Grégoire
- Géosciences Environnement Toulouse (GET), Université de Toulouse, UMR 5563 CNRS/UPS/IRD/CNES, 14 Avenue Edouard Belin, 31400 Toulouse, France
| | - Sébastien Fabre
- Institut de Recherche en Astrophysique et Planétologie, Université de Toulouse, 14 Avenue Edouard Belin, 31400 Toulouse, France
| | - Vivien Sarazin
- SADEF, 30 Rue de la Station, 68700 Aspach-Le-Bas, France
| | | | - Pierre Courjault-Radé
- Géosciences Environnement Toulouse (GET), Université de Toulouse, UMR 5563 CNRS/UPS/IRD/CNES, 14 Avenue Edouard Belin, 31400 Toulouse, France
| | - Lotfi Rabaoui
- Center for Environment & Marine Studies, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia
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31
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Yang X, Ren Y, Hou X, Wang Z. A fluorescent 1,4-bib-pillared Zn-MOF sensor for highly sensitive detection of Dy3+, nitrobenzene and aniline in aqueous solution. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2021.122410] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Kachieng'a LO, Unuofin JO. The potentials of biofilm reactor as recourse for the recuperation of rare earth metals/elements from wastewater: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:44755-44767. [PMID: 34235691 DOI: 10.1007/s11356-021-15297-0] [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: 10/18/2020] [Accepted: 06/30/2021] [Indexed: 06/13/2023]
Abstract
Wastewater is nowadays increasingly receiving global attention as a resource much more than a problem due to its potential so serve as a resource recovery channel. In this regard, wastewater is gradually been transformed from being a cesspool to a "treasure pool." Among notable resources in the treasure pool, rare earth metals/elements (REEs) warrant focal investigation, both in terms of environmental abundance and biorecovery, due to their environmental impacts. The ineffectiveness or cost intensiveness of extant physicochemical and advanced wastewater resource recovery techniques warrants the investigation of natural phenomenons in the treasure pools. Bacteria are able to cleverly secrete certain biochemicals to help trap and aggregate nutrients for their metabolism-the biofilms. In this regard, there is increased espousal of biofilm-enabled reactors, especially for the application of the recovery of invaluable feedstock in wastewater as well as other aqueous media due to high production rates and stability of cells. Furthermore, it anticipated that this technology will be translated to recovery of rare earth elements, due to their increased demand across the globe. This piece reiterates the nitty-gritty of biofilm-enhanced biorecovery and also keeps the scientific readership abreast of the multifarious aspects regarding the successful biofilm affected biorecovery of REEs at reactor scale.
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Affiliation(s)
- Leonard Owino Kachieng'a
- Department of Environmental, Water and Earth Sciences, Faculty of Science, Tshwane University of Technology, Arcadia Campus, P/Bag X680, Pretoria, 0001, South Africa
| | - John Onolame Unuofin
- Department of Microbial, Biochemical and Food Biotechnology, Faculty of Natural and Agricultural Sciences, University of the Free State, 205 Nelson Mandela Drive, Park West, Bloemfontein, 9301, South Africa.
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Chen H, Chen H, Chen Z. A review of in situ phytoextraction of rare earth elements from contaminated soils. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2021; 24:557-566. [PMID: 34365851 DOI: 10.1080/15226514.2021.1957770] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Rare earth elements (REE), with their distinct physical and chemical properties, are critical components of green economic development. Intensive exploitation and application of REE are wreaking havoc on the environment. But research on REE is still limited to a small number and in a few countries. With the growing interest of REE in modern technologies and their potential ecological risks, phytoextraction seems promising for both REE pollution reduction and resource circulation. This paper summarizes the recent findings in the literature concerning REE hyperaccumulating plants and relevant accumulation mechanisms. Additional interests should be focused on a broader range of plant species and a global scale to achieve a sustainable REE supply.Novelty statementThis paper summarized the referenced potential rare earth elements (REE) hyperaccumulator plants that accumulated higher than REE 100 µg/g and discussed their accumulation and translocation mechanisms.We addressed the synonyms of Dicranopteris pedata, Dicranopteris dichotoma Bernh., and Dicranopteris linearis.Although Dicranopteris pedata has been extensively studied in the sense of REE hyperaccumulation, active phytoextraction outside of its native range, as well as in accumulation of the precious heavy rare earth elements, may be difficult. Thus, further interests should take these disadvantages into account.
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Affiliation(s)
- Haibin Chen
- School of History and Geography, Minnan Normal University, Zhangzhou, China
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou, China
- School of Geographical Sciences, Fujian Normal University, Fuzhou, China
| | - Haimei Chen
- Department of Dendrology and Floriculture, Faculty of Horticultural, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
| | - Zhibiao Chen
- State Key Laboratory for Subtropical Mountain Ecology of the Ministry of Science and Technology and Fujian Province, Fujian Normal University, Fuzhou, China
- School of Geographical Sciences, Fujian Normal University, Fuzhou, China
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Migration of rare earth elements in the topsoil of abandoned mines under rainfall leaching. J Radioanal Nucl Chem 2021. [DOI: 10.1007/s10967-021-07741-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ferreira MDS, Fontes MPF, Bellato CR, Marques Neto JDO, Lima HN, Fendorf S. Geochemical signatures and natural background values of rare earth elements in soils of Brazilian Amazon. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 277:116743. [PMID: 33640811 DOI: 10.1016/j.envpol.2021.116743] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 06/12/2023]
Abstract
Rare earth elements (REEs) are generally defined as a homogenous group of elements with similar physical-chemical properties, encompassing Y and Sc and the lanthanides elements series. Natural REEs contents in soils depend on the parent material, the soil genesis processes and can be gradually added to the soil by anthropogenic activities. The REEs have been considered emerging pollutants in several countries, so the establishment of regulatory guidelines is necessary to avoid environmental contamination. In Brazil, REE soils data are restricted to some regions, and knowledge about them in the Amazon soils is scarce, although this biome covers more than 40% of the Brazilian territory. Thus, the objectives of this study were to determine the REE content in soils of two hydrographic basins (Solimões and Rio Negro) of the Amazon biome, establish their Quality Reference Values (QRV) and to investigate the existence of enrichment of REEs in urban soils. The ΣREE(Y + Sc) content of Solimões surface samples was 109.28 mg kg-1 and the ΣREE(Y + Sc) content in the subsurface samples was 94.11 mg kg-1. In soils of Rio Negro basin, the ΣREE(Y + Sc) was 43.95 15 mg kg-1 surface samples and 38.40 mg kg-1 in subsurface samples. The ΣREE(Y + Sc) in urban topsoils samples was 38.62 mg kg-1. The REEs contents pattern in three studied areas are influenced in different amplitude by natural soil properties. The REEs content in urban topsoils were slightly higher than the Rio Negro pristine soils, but the ecological risk was low. QRVs recommend for Solimões soils ranged from 0.01 (Lu) to 145.6 mg kg-1 (Ce) and for Rio Negro soils ranged from 0.05 (Lu) to 15.8 mg kg-1 (Ce).
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Affiliation(s)
| | | | - Carlos Roberto Bellato
- Department of Chemistry, Federal University of Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | | | - Hedinaldo Narciso Lima
- Hedinaldo Narciso Lima, Department of Agricultural Engineering and Soils, Federal University of Amazonas, Manaus, Amazonas, 69080-900, Brazil.
| | - Scott Fendorf
- Scott Fendorf, Department of Earth System Science, Stanford University, Stanford, CA, 94305, USA.
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Oliveira DLB, Pereira LHDS, Schneider MP, Silva YJAB, Nascimento CWA, van Straaten P, Silva YJAB, Gomes ADA, Veras G. Bio-inspired algorithm for variable selection in i-PLSR to determine physical properties, thorium and rare earth elements in soils from Brazilian semiarid region. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105640] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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