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Gao Z, Cizdziel JV, Wontor K, Olubusoye BS. Adsorption/desorption of mercury (II) by artificially weathered microplastics: Kinetics, isotherms, and influencing factors. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122621. [PMID: 37757936 DOI: 10.1016/j.envpol.2023.122621] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/23/2023] [Accepted: 09/25/2023] [Indexed: 09/29/2023]
Abstract
While both mercury (Hg) and microplastics (MPs) are well-studied global pollutants, comparatively little is known about the interactions between them and the mobilization of Hg from MPs into organisms. We examined the affinity of Hg(II) to artificially weathered MPs, including polyamide (w-PA), polyethylene (w-PE), polyethylene terephthalate (w-PET), polyester fibers (w-PEST), polyvinyl chloride (w-PVC), and polylactic acid (w-PLA), along with crumb rubber (CR) and PE collected from a wastewater treatment plant (WWTP-PE). WWTP-PE, CR, and w-PEST had particularly high Hg(II) affinities, which can be attributed to electrostatic interaction and pore filling. The adsorption followed a pseudo-second-order kinetic process and fitted the Freundlich model, suggesting multi-step (mass transfer and intraparticle diffusion) and heterogeneous adsorptions. Hydrochemical conditions (pH, dissolved organic matter (DOM), salinity and co-existent metal ions) all impacted Hg-MP behavior. Changes in Hg speciation and MP surface properties contributed to the different Hg(II) adsorption capacities for the MPs. Weathering of MPs generally increased the adsorption of Hg(II) onto MPs, but CR, PET and PEST did not follow this trend. Less than 3% of adsorbed Hg(II) was mobilized from the MPs in freshwater, but that increased up to 73% under simulated avian digestive conditions, suggesting increased bioavailability of Hg(II) from ingested MPs. Overall, weathered MPs adsorb and retain Hg(II) under environmentally relevant conditions but desorb much of it in simulated avian digestion fluid, suggesting that birds that ingest MPs may have increased Hg(II) exposure.
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Affiliation(s)
- Zhiqiang Gao
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS, 38677, USA
| | - James V Cizdziel
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS, 38677, USA.
| | - Kendall Wontor
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS, 38677, USA
| | - Boluwatife S Olubusoye
- Department of Chemistry and Biochemistry, University of Mississippi, University, MS, 38677, USA
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Martínez-Martínez JG, Rosales-Loredo S, Hernández-Morales A, Arvizu-Gómez JL, Carranza-Álvarez C, Macías-Pérez JR, Rolón-Cárdenas GA, Pacheco-Aguilar JR. Bacterial Communities Associated with the Roots of Typha spp. and Its Relationship in Phytoremediation Processes. Microorganisms 2023; 11:1587. [PMID: 37375088 DOI: 10.3390/microorganisms11061587] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/11/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Heavy metal pollution is a severe concern worldwide, owing to its harmful effects on ecosystems. Phytoremediation has been applied to remove heavy metals from water, soils, and sediments by using plants and associated microorganisms to restore contaminated sites. The Typha genus is one of the most important genera used in phytoremediation strategies because of its rapid growth rate, high biomass production, and the accumulation of heavy metals in its roots. Plant growth-promoting rhizobacteria have attracted much attention because they exert biochemical activities that improve plant growth, tolerance, and the accumulation of heavy metals in plant tissues. Because of their beneficial effects on plants, some studies have identified bacterial communities associated with the roots of Typha species growing in the presence of heavy metals. This review describes in detail the phytoremediation process and highlights the application of Typha species. Then, it describes bacterial communities associated with roots of Typha growing in natural ecosystems and wetlands contaminated with heavy metals. Data indicated that bacteria from the phylum Proteobacteria are the primary colonizers of the rhizosphere and root-endosphere of Typha species growing in contaminated and non-contaminated environments. Proteobacteria include bacteria that can grow in different environments due to their ability to use various carbon sources. Some bacterial species exert biochemical activities that contribute to plant growth and tolerance to heavy metals and enhance phytoremediation.
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Affiliation(s)
| | - Stephanie Rosales-Loredo
- Facultad de Estudios Profesionales Zona Huasteca, Universidad Autónoma de San Luis Potosí, San Luis Potosí 79060, Mexico
| | - Alejandro Hernández-Morales
- Facultad de Estudios Profesionales Zona Huasteca, Universidad Autónoma de San Luis Potosí, San Luis Potosí 79060, Mexico
| | - Jackeline Lizzeta Arvizu-Gómez
- Secretaría de Investigación y Posgrado, Centro Nayarita de Innovación y Transferencia de Tecnología (CENITT), Universidad Autónoma de Nayarit, Tepic 63173, Mexico
| | - Candy Carranza-Álvarez
- Facultad de Estudios Profesionales Zona Huasteca, Universidad Autónoma de San Luis Potosí, San Luis Potosí 79060, Mexico
| | - José Roberto Macías-Pérez
- Facultad de Estudios Profesionales Zona Huasteca, Universidad Autónoma de San Luis Potosí, San Luis Potosí 79060, Mexico
| | - Gisela Adelina Rolón-Cárdenas
- Facultad de Estudios Profesionales Zona Huasteca, Universidad Autónoma de San Luis Potosí, San Luis Potosí 79060, Mexico
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Manwani S, Devi P, Singh T, Yadav CS, Awasthi KK, Bhoot N, Awasthi G. Heavy metals in vegetables: a review of status, human health concerns, and management options. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:71940-71956. [PMID: 35921005 DOI: 10.1007/s11356-022-22210-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 07/21/2022] [Indexed: 06/14/2023]
Abstract
For sustainable global growth, food security is a prime concern issue, both quantitatively and qualitatively. Adverse effects on crop quality from contaminants like heavy metals have affected food security and human health. Vegetables comprise the essential and nutritious part of the human diet as they contain a lot of health-promoting minerals and vitamins. However, the inadvertent excess accumulation of heavy metals (As, Cd, Hg, and Pb) in vegetables and their subsequent intake by humans may affect their physiology and metabolomics and has been associated with diseases like cancer, mental retardation, and immunosuppression. Many known sources of hazardous metals are volcano eruptions, soil erosion, use of chemical fertilizers in agriculture, the use of pesticides and herbicides, and irrigation with wastewater, industrial effluents, etc. that contaminate the vegetables through the soil, air and water. In this review, the problem of heavy metal contamination in vegetables is discussed along with the prospective management strategies like soil amendments, application of bioadsorbents, membrane filtration, bioremediation, and nanoremediation.
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Affiliation(s)
- Seema Manwani
- Department of Life Sciences, Vivekananda Global University, Jaipur, Rajasthan, 303012, India
| | - Pooja Devi
- Department of Life Sciences, Vivekananda Global University, Jaipur, Rajasthan, 303012, India
| | - Tanvi Singh
- Department of Zoology, Delhi University, Delhi, 110007, India
| | - Chandra Shekhar Yadav
- Department of Life Sciences, Vivekananda Global University, Jaipur, Rajasthan, 303012, India
- School of Forensic Science, National Forensic Science University, Gandhinagar, 382007, India
| | - Kumud Kant Awasthi
- Department of Life Sciences, Vivekananda Global University, Jaipur, Rajasthan, 303012, India
| | - Narain Bhoot
- Central Laboratory, Rajasthan State Pollution Control Board, Jaipur, Rajasthan, 302004, India
| | - Garima Awasthi
- Department of Life Sciences, Vivekananda Global University, Jaipur, Rajasthan, 303012, India.
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Liao Y, Zhao S, Zhang W, Zhao P, Lu B, Moody ML, Tan N, Chen L. Chromosome-level genome and high nitrogen stress response of the widespread and ecologically important wetland plant Typha angustifolia. FRONTIERS IN PLANT SCIENCE 2023; 14:1138498. [PMID: 37265642 PMCID: PMC10230045 DOI: 10.3389/fpls.2023.1138498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 04/11/2023] [Indexed: 06/03/2023]
Abstract
Typha angustifolia L., known as narrowleaf cattail, is widely distributed in Eurasia but has been introduced to North America. Typha angustifolia is a semi-aquatic, wetland obligate plant that is widely distributed in Eurasia and North America. It is ecologically important for nutrient cycling in wetlands where it occurs and is used in phytoremediation and traditional medicine. In order to construct a high-quality genome for Typha angustifolia and investigate genes in response to high nitrogen stress, we carried out complete genome sequencing and high-nitrogen-stress experiments. We generated a chromosomal-level genome of T. angustifolia, which had 15 pseudochromosomes, a size of 207 Mb, and a contig N50 length of 13.57 Mb. Genome duplication analyses detected no recent whole-genome duplication (WGD) event for T. angustifolia. An analysis of gene family expansion and contraction showed that T. angustifolia gained 1,310 genes and lost 1,426 genes. High-nitrogen-stress experiments showed that a high nitrogen level had a significant inhibitory effect on root growth and differential gene expression analyses using 24 samples found 128 differentially expressed genes (DEGs) between the nitrogen-treated and control groups. DEGs in the roots and leaves were enriched in alanines, aspartate, and glutamate metabolism, nitrogen metabolism, photosynthesis, phenylpropanoid biosynthesis, plant-pathogen interaction, and mitogen-activated protein kinase pathways, among others. This study provides genomic data for a medicinal and ecologically important herb and lays a theoretical foundation for plant-assisted water pollution remediation.
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Affiliation(s)
- Yang Liao
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Shuying Zhao
- School of Environment and Ecology, Jiangsu Open University, Nanjing, China
| | - Wenda Zhang
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Puguang Zhao
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Bei Lu
- Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, China
| | - Michael L. Moody
- Department of Biological Sciences, University of Texas at El Paso, El Paso, TX, United States
| | - Ninghua Tan
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Lingyun Chen
- School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
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Peng D, Chen M, Su X, Liu C, Zhang Z, Middleton BA, Lei T. Mercury accumulation potential of aquatic plant species in West Dongting Lake, China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 324:121313. [PMID: 36813101 DOI: 10.1016/j.envpol.2023.121313] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 02/09/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
West Dongting Lake is a protected wetland with the potential for high levels of mercury release via wastewater and deposition from industry and agriculture during the last decade. To find out the ability of various plant species to accumulate mercury pollutants from soil and water, nine sites were studied in the downstream direction of the flow of the Yuan and Li Rivers, which are tributaries of the Yellow River flowing into West Dongting Lake, where mercury levels arere high in soil and plant tissues. The total mercury (THg) concentration in wetland soil was 0.078-1.659 mg/kg, which varied along the gradient of water flow along the river. According to canonical correspondence analysis and correlation analysis, there was a positive correlation between the soil THg concentration and the soil moisture in West Dongting Lake. There is high heterogeneity in the spatial distribution of soil THg concentration in West Dongting Lake, which may be related to the spatial heterogeneity of the soil moisture. Some plant species had higher THg concentrations in aboveground tissues (translocation factor >1), but none of these plant species fit the criteria as hyperaccumulators of mercury. And some species of the same ecological type (e.g., emergent, submergent, floating-leaved) exhibited very different strategies for mercury uptake. The concentrations of mercury in these species were lower than in other studies but these had relatively higher translocation factors. To phytoremediate soil mercury in West Dongting Lake, the regular harvest of plants could help remove mercury from soil and plant tissue.
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Affiliation(s)
- Dong Peng
- Beijing Forestry University, School of Ecology and Nature Conservation, 35 Tsinghua East Road Haidian Distinct, Beijing, 100083, PR China; Nanjing University, School of Geography and Ocean Science, School of Atmospheric Sciences, 163 Xianlin Road, Qixia Distinct, Nanjing, 210023, PR China
| | - Mingzhu Chen
- Shenzhen BLY Landscape and Architecture Planning and Design Institute, Block A, West District of Tanglang Plaza, Fuguang Community, Taoyuan Street, Nanshan District, Shenzhen, PR China
| | - Xinyue Su
- Beijing Forestry University, School of Ecology and Nature Conservation, 35 Tsinghua East Road Haidian Distinct, Beijing, 100083, PR China
| | - Chenchen Liu
- Beijing Forestry University, School of Ecology and Nature Conservation, 35 Tsinghua East Road Haidian Distinct, Beijing, 100083, PR China
| | - Zhehao Zhang
- Forestry Bureau of Jiangshan Municipal, No.115, Fourth District of Jiangbin, Jiangshan, Quzhou City, Zhejiang Province, PR China
| | - Beth A Middleton
- U.S. Geological Survey, Wetland and Aquatic Research Center, 700 Cajundome Boulevard, Lafayette, LA, 70506, USA
| | - Ting Lei
- Beijing Forestry University, School of Ecology and Nature Conservation, 35 Tsinghua East Road Haidian Distinct, Beijing, 100083, PR China; National Field Scientific Observation and Research Station of Dongting Lake Wetland Ecosystem, Hunan, 415904, PR China.
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Mohsin M, Nawrot N, Wojciechowska E, Kuittinen S, Szczepańska K, Dembska G, Pappinen A. Cadmium accumulation by Phragmites australis and Iris pseudacorus from stormwater in floating treatment wetlands microcosms: Insights into plant tolerance and utility for phytoremediation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 331:117339. [PMID: 36669313 DOI: 10.1016/j.jenvman.2023.117339] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/02/2023] [Accepted: 01/17/2023] [Indexed: 06/17/2023]
Abstract
Environmentally sustainable remediation is needed to protect freshwater resources which are deteriorating due to severe industrial, mining, and agricultural activities. Treatment by floating wetlands could be a sustainable solution to remediate water bodies. The study aimed to examine the effects of Cd on Phragmites australis and Iris pseudacorus growth (height, biomass, root length and chlorophyll contents), anatomy, Cd accumulation in their biomass and their ability to remove Cd, N and P. Seedlings of both plants were grown in a greenhouse for 50 days in artificially prepared stormwater amended with Cd, N, and P. The treatments were: control (Cd _0), Cd_1, Cd_2, and Cd_4 mg L-1. N and P contents were 4 mg L-1 and 1.8 mg L-1, respectively. In the case of P. australis, the maximum plant height, root length, and total dry biomass production was increased in medium dose (Cd_2) treatment while the chlorophyll index (CCI) increased in high dose (Cd_4) treatment as compared to all treatments. For I. pseudacorus, the maximum plant height and total dry biomass production, root length and CCI values were improved in low dose (Cd_1) and high dose (Cd_4) treatments, respectively among all treatments. Results showed that P. australis accumulated 10.94-1821.59 μg · (0.05 m2)-1 in roots and 2.45-334.65 μg · (0.05 m2)-1 in shoots under Cd_0, Cd_1 and Cd_4 treatments. I. pseudacorus accumulated the highest Cd in roots up to 5.84-4900 μg · (0.05 m2)-1 and 3.40-609 μg · (0.05 m2)-1 in shoots under Cd_0, Cd_1 and Cd_4 treatments. The translocation factor was observed as <1 and the bioconcentration factor >1 for both species, which indicates their phytostabilization potential. Results demonstrate that P. australis and I. pseudacorus are suitable for use in floating wetlands to remediate contaminated sites.
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Affiliation(s)
- Muhammad Mohsin
- School of Forest Sciences, University of Eastern Finland, Yliopistokatu 7, P.O. Box 111, 80100, Joensuu, Finland; Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Narutowicza 11/12, 80-233, Gdansk, Poland.
| | - Nicole Nawrot
- Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Narutowicza 11/12, 80-233, Gdansk, Poland
| | - Ewa Wojciechowska
- Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Narutowicza 11/12, 80-233, Gdansk, Poland.
| | - Suvi Kuittinen
- School of Forest Sciences, University of Eastern Finland, Yliopistokatu 7, P.O. Box 111, 80100, Joensuu, Finland
| | - Katarzyna Szczepańska
- Department of Environmental Protection, Gdynia Maritime University Maritime Institute, Gdynia, Poland
| | - Grażyna Dembska
- Department of Environmental Protection, Gdynia Maritime University Maritime Institute, Gdynia, Poland
| | - Ari Pappinen
- School of Forest Sciences, University of Eastern Finland, Yliopistokatu 7, P.O. Box 111, 80100, Joensuu, Finland
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Ferreira N, Viana T, Henriques B, Tavares DS, Jacinto J, Colónia J, Pinto J, Pereira E. Application of response surface methodology and box-behnken design for the optimization of mercury removal by Ulva sp. JOURNAL OF HAZARDOUS MATERIALS 2023; 445:130405. [PMID: 36437192 DOI: 10.1016/j.jhazmat.2022.130405] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 10/26/2022] [Accepted: 11/13/2022] [Indexed: 06/16/2023]
Abstract
Mercury (Hg) is a global and top priority contaminant, toxic at low concentrations. Although it has been progressively eliminated from processes, this metal continues to circulate in the atmosphere, soil, and water. In this work, the Response Surface Methodology (RSM) combined with a Box-Behnken Design (3 factors - 3 levels) was used to optimize key operational conditions that influence the removal and uptake of Hg by living macroalga Ulva sp. in a complex mixture containing several elements used in industry (potentially toxic elements, rare earth elements, and platinum-group elements) (initial concentration 10, 100 and 190 µg/L, salinity 15, 25 and 35, seaweed stock density 1.0, 3.0 and 5.0 g/L). Results evidenced the great capability of Ulva sp. to remove Hg, with removal efficiencies between 69 % and 97 %. 3-D surfaces showed that the most impactful variable was seaweed stock density, with higher densities leading to higher removal. Regarding the uptake, a positive correlation between initial concentration and qt values was observed. The appliance of RSM made possible to obtain optimal operating conditions for removing virtually 100 % of Hg from waters with high ionic strength, which is a pivotal step in the direction of the application of this remediation biotechnology at large scale.
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Affiliation(s)
- Nicole Ferreira
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Thainara Viana
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Bruno Henriques
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; Central Laboratory of Analysis, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Daniela S Tavares
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Jéssica Jacinto
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - João Colónia
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - João Pinto
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Eduarda Pereira
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; Central Laboratory of Analysis, University of Aveiro, 3810-193 Aveiro, Portugal
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Chang J, Peng D, Deng S, Chen J, Duan C. Efficient treatment of mercury(Ⅱ)-containing wastewater in aerated constructed wetland microcosms packed with biochar. CHEMOSPHERE 2022; 290:133302. [PMID: 34922958 DOI: 10.1016/j.chemosphere.2021.133302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 12/09/2021] [Accepted: 12/12/2021] [Indexed: 06/14/2023]
Abstract
Effective removal of mercury (Hg) pollutants from contaminated water/wastewater to prevent severe environmental pollution is of great significance due to the extremely high toxicity of Hg. In this study, granular biochar and gravel (control) were packed into intermittently aerated constructed wetland (CW) microcosms to treat Hg(Ⅱ)-containing wastewater over 100 d. The results showed that the biochar-filled CWs exhibited notably better Hg(Ⅱ) removal than the gravel systems by facilitating chemical and microbial Hg(Ⅱ) reduction and volatilization and promoting plant growth and Hg assimilation. More than ten times more Hg was absorbed by the plants (L. salicaria) in biochar CWs than in the gravel systems, with the roots acting as the major sink. In contrast, substrate binding in a predominantly oxidizable fraction was the dominant pathway for Hg removal in the gravel CWs. Biochar substrates also exhibited higher levels of COD, N and P removal, and Hg(Ⅱ) import impacted the removal of these pollutants only slightly. Filling material played a more crucial role than Hg input in shaping the microbial communities in the CWs. The proportions of some dominant genera, including Arenimonas, Lysobacter, Micropruina and Hydrogenophaga, increased in the presence of Hg, implying their tolerance to Hg toxicity and potential roles in Hg detoxification in the CWs. Granular biochar-based CW has high potential for treating Hg(Ⅱ)-contaminated wastewater.
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Affiliation(s)
- Junjun Chang
- School of Ecology and Environmental Science & Yunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, Yunnan University, Kunming, 650500, China
| | - Dongliang Peng
- School of Architecture and Planning, Yunnan University, Kunming, 650500, China
| | - Shengjiong Deng
- School of Ecology and Environmental Science & Yunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, Yunnan University, Kunming, 650500, China; Institute of International Rivers and Eco-security, Yunnan University, Kunming, 650500, China
| | - Jinquan Chen
- School of Ecology and Environmental Science & Yunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, Yunnan University, Kunming, 650500, China.
| | - Changqun Duan
- School of Ecology and Environmental Science & Yunnan Key Laboratory for Plateau Mountain Ecology and Restoration of Degraded Environments, Yunnan University, Kunming, 650500, China.
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Modeling of water hyacinth growth and its role in heavy metals accumulation from unoperated old Ganga canal at Haridwar, India. RENDICONTI LINCEI. SCIENZE FISICHE E NATURALI 2021. [DOI: 10.1007/s12210-021-01024-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Rani L, Srivastav AL, Kaushal J. Bioremediation: An effective approach of mercury removal from the aqueous solutions. CHEMOSPHERE 2021; 280:130654. [PMID: 34162069 DOI: 10.1016/j.chemosphere.2021.130654] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 04/03/2021] [Accepted: 04/21/2021] [Indexed: 06/13/2023]
Abstract
Mercury (Hg(II)) is the 16th rarest element present in the earth's crust. Due to rapid industrialization and urban expansions, the mercury concentration has been elevated in the environment. Hg(II) contamination in the aqueous environment has become a great challenge for human beings. The main source of Hg(II) in the aqueous phase is untreated effluent industries (such as the paper industry). Hg(II) is non-biodegradable in nature and even its trace amount in an aqueous environment can pose chronic threats among the humans (damage to the central nervous system, respiratory system, and cardiovascular system, mutation of DNA), animals, and aquatic creatures. Therefore, the removal of mercury from aqueous solutions is an urgent need of the modern era. The conventional techniques such as ion exchange, precipitation, membrane filtrations are costly and also generate byproducts in the environment. Bioremediation is a sustainable, environmentally sound, and cost-effective technique to remove Hg(II) from the aqueous solutions. In this process, naturally occurring microorganisms are utilized to remove the Hg(II) from the aqueous solutions. Lentinus edodes, U. lactuca, and Typha domingensis are found to have great potential to remove mercury from water ranged from ~100 mg g-1 to 337 mg g-1.
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Affiliation(s)
- Lata Rani
- Centre for Water Sciences, Chitkara University Institute of Engineering & Technology, Chitkara University, Punjab, 140 417, India; School of Basic Sciences, Chitkara University, Himachal Pradesh, 174 103, India
| | - Arun Lal Srivastav
- Chitkara University School of Engineering and Technology, Chitkara University, Himachal Pradesh, 174 103, India.
| | - Jyotsna Kaushal
- Centre for Water Sciences, Chitkara University Institute of Engineering & Technology, Chitkara University, Punjab, 140 417, India
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Yaseen ZM. An insight into machine learning models era in simulating soil, water bodies and adsorption heavy metals: Review, challenges and solutions. CHEMOSPHERE 2021; 277:130126. [PMID: 33774235 DOI: 10.1016/j.chemosphere.2021.130126] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 01/23/2021] [Accepted: 02/23/2021] [Indexed: 06/12/2023]
Abstract
The development of computer aid models for heavy metals (HMs) simulation has been remarkably advanced over the past two decades. Several machine learning (ML) models have been developed for modeling HMs over the past two decades with outstanding progress. Although there have been a noticeable number of diverse ML models investigations, it is essential to have an informative vision on the progression of those computer aid models. In the current short review covering the simulation of heavy metals in contaminated soil, water bodies and removal from aqueous solution, numerous aspects on the methodological and conceptual HMs modeling are reviewed and discussed in detail. For instance, the limitation of the classical analytical methods, types of heavy metal dataset, necessity for new versions of ML models exploration, HM input parameters selection, ML models internal parameters tuning, performance metrics selection and the types of the modelled HM. The current review provides few outlooks in understanding the underlying od the ML models application for HM simulation. Tackling these modeling aspects is significantly essential for ML developers and environmental scientists to obtain creditability and scientific consistency in the domain of environmental science. Based on the discussed modeling aspects, it was concluded several future research directions, which will promote environmental scientists for better understanding of the underlying HMs simulation.
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Affiliation(s)
- Zaher Mundher Yaseen
- New era and development in civil engineering research group, Scientific Research Center, Al-Ayen University, Thi-Qar, 64001, Iraq.
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Delgado-González CR, Madariaga-Navarrete A, Fernández-Cortés JM, Islas-Pelcastre M, Oza G, Iqbal HMN, Sharma A. Advances and Applications of Water Phytoremediation: A Potential Biotechnological Approach for the Treatment of Heavy Metals from Contaminated Water. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:5215. [PMID: 34068925 PMCID: PMC8157233 DOI: 10.3390/ijerph18105215] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/11/2021] [Accepted: 05/12/2021] [Indexed: 02/05/2023]
Abstract
Potable and good-quality drinking water availability is a serious global concern, since several pollution sources significantly contribute to low water quality. Amongst these pollution sources, several are releasing an array of hazardous agents into various environmental and water matrices. Unfortunately, there are not very many ecologically friendly systems available to treat the contaminated environment exclusively. Consequently, heavy metal water contamination leads to many diseases in humans, such as cardiopulmonary diseases and cytotoxicity, among others. To solve this problem, there are a plethora of emerging technologies that play an important role in defining treatment strategies. Phytoremediation, the usage of plants to remove contaminants, is a technology that has been widely used to remediate pollution in soils, with particular reference to toxic elements. Thus, hydroponic systems coupled with bioremediation for the removal of water contaminants have shown great relevance. In this review, we addressed several studies that support the development of phytoremediation systems in water. We cover the importance of applied science and environmental engineering to generate sustainable strategies to improve water quality. In this context, the phytoremediation capabilities of different plant species and possible obstacles that phytoremediation systems may encounter are discussed with suitable examples by comparing different mechanistic processes. According to the presented data, there are a wide range of plant species with water phytoremediation potential that need to be studied from a multidisciplinary perspective to make water phytoremediation a viable method.
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Affiliation(s)
- Cristián Raziel Delgado-González
- Área Académica de Ciencias Agrícolas y Forestales, Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Tulancingo 43600, Mexico; (C.R.D.-G.); (A.M.-N.); (M.I.-P.)
| | - Alfredo Madariaga-Navarrete
- Área Académica de Ciencias Agrícolas y Forestales, Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Tulancingo 43600, Mexico; (C.R.D.-G.); (A.M.-N.); (M.I.-P.)
| | - José Miguel Fernández-Cortés
- Centre of Bioengineering, School of Engineering and Sciences, Tecnologico de Monterrey, San Pablo 76130, Mexico;
| | - Margarita Islas-Pelcastre
- Área Académica de Ciencias Agrícolas y Forestales, Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Tulancingo 43600, Mexico; (C.R.D.-G.); (A.M.-N.); (M.I.-P.)
| | - Goldie Oza
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica (CIDETEQ), Parque Tecnológico, Pedro Escobedo 76703, Mexico;
| | - Hafiz M. N. Iqbal
- School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey 64849, Mexico
| | - Ashutosh Sharma
- Centre of Bioengineering, School of Engineering and Sciences, Tecnologico de Monterrey, San Pablo 76130, Mexico;
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Ghosh D, Maiti SK. Biochar assisted phytoremediation and biomass disposal in heavy metal contaminated mine soils: a review. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2020; 23:559-576. [PMID: 33174450 DOI: 10.1080/15226514.2020.1840510] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Mining activities causes heavy metal pollution and adversely affect the ecological safety and human well-being. Phytoremediation-biochar synergy can effectively remediate mine spoils contaminated with heavy metals (HM). A review which focuses exclusively on the application of biochar assisted phytoremediation in HM contaminated mine spoil is lacking. Mechanisms of metal immobilization by biochar, potential plants and contaminated biomass disposal methods has also been reviewed. Availability of biochar feedstock and production conditions, optimization of application rate, application techniques, selection of suitable hyperaccumulators and cost optimization of bulk biochar production are the key to a successful biochar-based HM remediation of mine tailings and coalmine spoil. Presently, herbs and shrubs are mostly used as phytoremediators, use of woody trees would encourage a long-term metal sequestration which would reduce the cost of biomass disposal. Also, use of non-edible plants would prevent the plants from entering the food chain. For a holistic biochar-phytoremediation technique, incineration and pyrolysis can effectively dispose contaminated biomass. From the economical viewpoint, the environment cost-benefit analysis should be considered before considering the feasibility of a technology.HighlightsMass scale in-situ biochar production and economics are keys issues.Biochar assisted phytoremediation for HM contaminated mine spoils.Long term studies using woody biomass needs attention.Disposal of contaminated biomass by pyrolysis method.
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Affiliation(s)
- Dipita Ghosh
- Department of Environmental Science and Engineering, Centre of Mining Environment, Indian Institute of Technology (Indian School of Mines), Dhanbad, India Jharkhand
| | - Subodh Kumar Maiti
- Department of Environmental Science and Engineering, Centre of Mining Environment, Indian Institute of Technology (Indian School of Mines), Dhanbad, India Jharkhand
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14
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Aquatic Macrophytes in Constructed Wetlands: A Fight against Water Pollution. SUSTAINABILITY 2020. [DOI: 10.3390/su12219202] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
There is growing concern among health institutions worldwide to supply clean water to their populations, especially to more vulnerable communities. Although sewage treatment systems can remove most contaminants, they are not efficient at removing certain substances that can be detected in significant quantities even after standard treatments. Considering the necessity of perfecting techniques that can remove waterborne contaminants, constructed wetland systems have emerged as an effective bioremediation solution for degrading and removing contaminants. In spite of their environmentally friendly appearance and efficiency in treating residual waters, one of the limiting factors to structure efficient artificial wetlands is the choice of plant species that can both tolerate and remove contaminants. For sometimes, the chosen plants composing a system were not shown to increase wetland performance and became a problem since the biomass produced must have appropriated destination. We provide here an overview of the use and role of aquatic macrophytes in constructed wetland systems. The ability of plants to remove metals, pharmaceutical products, pesticides, cyanotoxins and nanoparticles in constructed wetlands were compared with the removal efficiency of non-planted systems, aiming to evaluate the capacity of plants to increase the removal efficiency of the systems. Moreover, this review also focuses on the management and destination of the biomass produced through natural processes of water filtration. The use of macrophytes in constructed wetlands represents a promising technology, mainly due to their efficiency of removal and the cost advantages of their implantation. However, the choice of plant species composing constructed wetlands should not be only based on the plant removal capacity since the introduction of invasive species can become an ecological problem.
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Amir W, Farid M, Ishaq HK, Farid S, Zubair M, Alharby HF, Bamagoos AA, Rizwan M, Raza N, Hakeem KR, Ali S. Accumulation potential and tolerance response of Typha latifolia L. under citric acid assisted phytoextraction of lead and mercury. CHEMOSPHERE 2020; 257:127247. [PMID: 32534296 DOI: 10.1016/j.chemosphere.2020.127247] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 05/11/2020] [Accepted: 05/28/2020] [Indexed: 05/15/2023]
Abstract
Chelate-assisted phytoextraction by high biomass producing macrophyte plant Typha latifolia L. commonly known as cattail, is gaining much attention worldwide. The present study investigated the effects of Lead (Pb) and Mercury (Hg) on physiology and biochemistry of plant, Pb and Hg uptake in T. latifolia with and without citric acid (CA) amendment. The uniform seedlings of T. latifolia were treated with various concentrations in the hydroponics as: Pb and Hg (1, 2.5, 5 mM) each alone and/or with CA (5 mM). After four weeks of treatments, the results revealed that Pb and Hg significantly reduced the plant agronomic traits as compare to non-treated plants. The addition of CA improved the plant physiology and enhanced the antioxidant enzymes activities to overcome Pb and Hg induced oxidative damage and electrolyte leakage. Our results depicted that Pb and Hg uptake and accumulation by T. latifolia was dose depend whereas, the addition of CA further increased the concentration and accumulation of Pb and Hg by up to 22 & 35% Pb and 72 & 40% Hg in roots, 25 & 26% Pb and 85 & 60% Hg in stems and 22 & 15 Pb and 100 & 58% Hg in leaves respectively compared to Pb and Hg treated only plants. On other hand, the root-shoot translocation factor was ≥1 and bioconcentration factor was also ≥2 for both Pb & Hg. The results also revealed that T. latifolia showed greater tolerance towards Hg and accumulated higher Hg in all parts compared with Pb.
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Affiliation(s)
- Waqas Amir
- Department of Environmental Sciences, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan
| | - Mujahid Farid
- Department of Environmental Sciences, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan.
| | - Hafiz Khuzama Ishaq
- Department of Environmental Sciences, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan
| | - Sheharyaar Farid
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000, Pakistan
| | - Muhammad Zubair
- Department of Chemistry, University of Gujrat, Hafiz Hayat Campus, Gujrat, 50700, Pakistan
| | - Hesham F Alharby
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Atif A Bamagoos
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Muhammad Rizwan
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000, Pakistan
| | - Nighat Raza
- Department of Food Science and Technology, Muhammad Nawaz Sharif University of Agriculture, Multan, 60000, Pakistan
| | - Khalid Rehman Hakeem
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia
| | - Shafaqat Ali
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000, Pakistan; Department of Biological Sciences and Technology, China Medical University, Taichung, 40402, Taiwan.
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16
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Alcantara HJP, Jativa F, Doronila AI, Anderson CWN, Siegele R, Spassov TG, Sanchez-Palacios JT, Boughton BA, Kolev SD. Localization of mercury and gold in cassava (Manihot esculenta Crantz). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:18498-18509. [PMID: 32193739 DOI: 10.1007/s11356-020-08285-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 03/02/2020] [Indexed: 06/10/2023]
Abstract
The potential of cassava (Manihot esculenta Crantz.) for simultaneous Hg and Au phytoextraction was explored by investigating Hg and Au localization in cassava roots through Micro-Proton Induced X-Ray Emission, High-Resolution Transmission Electron Microscopy (HR-TEM) and X-Ray Diffractometry (XRD). The effect of Hg and Au in the cyanogenic glucoside linamarin distribution was also investigated using Matrix Assisted Laser Desorption Ionization Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (MALDI-FT-ICR-MS) imaging. Hg was located mainly in the root vascular bundle of plants grown in 50 or 100 μmol L-1 Hg solutions. Au was localized in the epidermis and cortex or in the epidermis and endodermis for 50 and 100 μmol L-1 Au solutions, respectively. For 50 μmol L-1 solutions of both Hg and Au, the two metals were co-localized in the epidermis. When the Hg concentrations were increased to 100 μmol L-1, Au was still localized to a considerable extent in the epidermis while Hg was located in all root parts. HR-TEM and XRD revealed that Au nanoparticles were formed in cassava roots. MALDI-FT-ICR-MS imaging showed linamarin distribution in the roots of control and plants and metal-exposed plants thus suggesting that linamarin might be involved in Hg and Au uptake and distribution.
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Affiliation(s)
- Hannah Joy P Alcantara
- School of Chemistry, The University of Melbourne, Melbourne, Victoria, 3010, Australia
- Institute of Biology, The University of the Philippines Diliman, 1101, Quezon City, Philippines
| | - Fernando Jativa
- Department of Biomedical Engineering, The University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Augustine I Doronila
- School of Chemistry, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Christopher W N Anderson
- Soil and Earth Sciences Group, Institute of Agriculture and Environment, Massey University, Private Bag 11-222, Palmerston North, 4442, New Zealand
| | - Rainer Siegele
- Institute for Environmental Research, Australian Nuclear Science and Technology Organisation (ANSTO), PMB1, Menai, NSW, 2234, Australia
| | - Tony G Spassov
- Faculty of Chemistry and Pharmacy, Sofia University "St. Kl.Ohridski", 1 James Bourchier Blvd., 1164, Sofia, Bulgaria
| | | | - Berin A Boughton
- Metabolomics Australia, School of BioSciences, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Spas D Kolev
- School of Chemistry, The University of Melbourne, Melbourne, Victoria, 3010, Australia.
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17
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Recent developments in environmental mercury bioremediation and its toxicity: A review. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.enmm.2020.100283] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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18
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Al-Thani RF, Yasseen BT. Phytoremediation of polluted soils and waters by native Qatari plants: Future perspectives. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 259:113694. [PMID: 31887591 DOI: 10.1016/j.envpol.2019.113694] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 10/31/2019] [Accepted: 11/28/2019] [Indexed: 05/19/2023]
Abstract
Because pollution is predicted to worsen and sources of quality water for agriculture and other human activities are limited, many countries have been motivated to seek novel water sources. Qatar relies on groundwater and water desalinization to meet its water needs, and additional water resources will be needed to avoid unexpected crises in the future. Industrial wastewater (IWW) is an alternative water source, and much research activities should be focused on developing innovative and contemporary approaches to removing pollutants from IWW. Phytoremediation methods, shown to be efficient methods of removing and degrading contaminants of various kinds from polluted waters and soils, require knowledge of the native plants and associated microorganisms. In Qatar, many native plants (monocot and dicot, indigenous or introduced) have been shown to be greatly effective in remediating polluted areas. This article is a guide for Qatari scientists aiming to identify promising native plants and associated microbes for IWW phytoremediation. In it, we review the basic components of bioremediation and summarize the principle phytoremediation approaches and preferred recycling options. The multiple mechanisms and methods of phytoremediation for cleansing polluted soils and waters are also discussed as are details of the metabolic reactions degrading the organic components of oil and gas. Finally, heavy metal accumulation is addressed. Wastewater from industrial and domestic activities is currently being used to create green areas around Doha, Qatar, and such areas could be at risk of contamination. Many native Qatari plants and soil-dwelling microbes are efficient at removing organic and inorganic contaminants from polluted soils and waters, and some are promising candidates for achieving a clean environment free of contaminants.
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Affiliation(s)
- R F Al-Thani
- Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar
| | - B T Yasseen
- Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, Doha, Qatar.
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19
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Machado AI, Fragoso R, Dordio AV, Duarte E. Performance of Iris pseudacorus and Typha domingensis for furosemide removal in a hydroponic system. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2020; 22:863-871. [PMID: 32028785 DOI: 10.1080/15226514.2020.1717431] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The potential of Iris pseudacorus and Typha domingensis to remove the pharmaceutical active compound (PhAC) Furosemide from a nutrient solution was assessed. Both plants were exposed to 2 mg L-1 of furosemide during 21 days and the removal of furosemide was monitored. Vessels without furosemide were also implemented as control systems for plants development. Likewise, unplanted vessels with furosemide were employed to assess abiotic removal mechanisms. All vessels were covered with aluminum foil to avoid photodegradation of the compound. Both plants showed potential to remove Furosemide, attaining, at the end of the experiment, a removal of 42.0-66.9% and 40.5-57.8%, for Typha and Iris, respectively. The plants do not presented a visible negative stress response to the exposure to furosemide, having a positive growth rate at the end of the experiment. Biodegradation seems to play an important role in furosemide removal, being enhanced by the presence of the plants. The two macrophytes presented different removal behaviors, particularly in the first 48 h of contact time. FUR removal by Iris follows a pseudo-first order while by Typha is divide in different phases. These results indicate that different plants species seem to have different mechanisms to remove pollutants from water.HighlightsPhACs removal potential of Iris pseudacorus and Typha domingensis was assessed.Plants were exposed to 2 mg L-1 of furosemide during 21 days.Both macrophytes showed good removal efficiencies.Biodegradation of furosemide seems to be the main removal mechanism.Plants demonstrated different removal behavior along the experiment.Removal mechanisms of plants seem to differ between species.
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Affiliation(s)
- A I Machado
- LEAF, Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal
- Departamento de Química, MARE, Marine and Environmental Sciences Centre, Escola de Ciências e Tecnologia, Évora, Portugal
- CESAM and Department of Environment and Planning, University of Aveiro, Aveiro, Portugal
| | - R Fragoso
- LEAF, Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal
| | - A V Dordio
- Departamento de Química, MARE, Marine and Environmental Sciences Centre, Escola de Ciências e Tecnologia, Évora, Portugal
| | - E Duarte
- LEAF, Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, Universidade de Lisboa, Lisboa, Portugal
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20
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Wang L, Hou D, Cao Y, Ok YS, Tack FMG, Rinklebe J, O'Connor D. Remediation of mercury contaminated soil, water, and air: A review of emerging materials and innovative technologies. ENVIRONMENT INTERNATIONAL 2020; 134:105281. [PMID: 31726360 DOI: 10.1016/j.envint.2019.105281] [Citation(s) in RCA: 150] [Impact Index Per Article: 37.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/23/2019] [Accepted: 10/20/2019] [Indexed: 05/24/2023]
Abstract
Mercury contamination in soil, water and air is associated with potential toxicity to humans and ecosystems. Industrial activities such as coal combustion have led to increased mercury (Hg) concentrations in different environmental media. This review critically evaluates recent developments in technological approaches for the remediation of Hg contaminated soil, water and air, with a focus on emerging materials and innovative technologies. Extensive research on various nanomaterials, such as carbon nanotubes (CNTs), nanosheets and magnetic nanocomposites, for mercury removal are investigated. This paper also examines other emerging materials and their characteristics, including graphene, biochar, metal organic frameworks (MOFs), covalent organic frameworks (COFs), layered double hydroxides (LDHs) as well as other materials such as clay minerals and manganese oxides. Based on approaches including adsorption/desorption, oxidation/reduction and stabilization/containment, the performances of innovative technologies with the aid of these materials were examined. In addition, technologies involving organisms, such as phytoremediation, algae-based mercury removal, microbial reduction and constructed wetlands, were also reviewed, and the role of organisms, especially microorganisms, in these techniques are illustrated.
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Affiliation(s)
- Liuwei Wang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Deyi Hou
- School of Environment, Tsinghua University, Beijing 100084, China.
| | - Yining Cao
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Yong Sik Ok
- Korea Biochar Research Center & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Filip M G Tack
- Department of Green Chemistry and Technology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, Wuppertal 42285, Germany; Department of Environment, Energy and Geoinformatics, Sejong University, 98 Gunja-Dong, Seoul, Republic of Korea
| | - David O'Connor
- School of Environment, Tsinghua University, Beijing 100084, China
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Raj D, Maiti SK. Sources, toxicity, and remediation of mercury: an essence review. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:566. [PMID: 31418123 DOI: 10.1007/s10661-019-7743-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Accepted: 08/06/2019] [Indexed: 05/27/2023]
Abstract
Mercury (Hg) is a pollutant that poses a global threat, and it was listed as one of the ten leading 'chemicals of concern' by the World Health Organization in 2017. The review aims to summarize the sources of Hg, its combined effects on the ecosystem, and its remediation in the environment. The flow of Hg from coal to fly ash (FA), soil, and plants has become a serious concern. Hg chemically binds to sulphur-containing components in coal during coal formation. Coal combustion in thermal power plants is the major anthropogenic source of Hg in the environment. Hg is taken up by plant roots from contaminated soil and transferred to the stem and aerial parts. Through bioaccumulation in the plant system, Hg moves into the food chain, resulting in potential health and ecological risks. The world average Hg concentrations reported in coal and FA are 0.01-1 and 0.62 mg/kg, respectively. The mass of Hg accumulated globally in the soil is estimated to be 250-1000 Gg. Several techniques have been applied to remove or minimize elevated levels of Hg from FA, soil, and water (soil washing, selective catalytic reduction, wet flue gas desulphurization, stabilization, adsorption, thermal treatment, electro-remediation, and phytoremediation). Adsorbents such as activated carbon and carbon nanotubes have been used for Hg removal. The application of phytoremediation techniques has been proven as a promising approach in the removal of Hg from contaminated soil. Plant species such as Brassica juncea are potential candidates for Hg removal from soil.
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Affiliation(s)
- Deep Raj
- Ecological Restoration Laboratory, Department of Environmental Science & Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826 004, India
| | - Subodh Kumar Maiti
- Ecological Restoration Laboratory, Department of Environmental Science & Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, 826 004, India.
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22
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Remediation of Potential Toxic Elements from Wastes and Soils: Analysis and Energy Prospects. SUSTAINABILITY 2019. [DOI: 10.3390/su11123307] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The aim of this study is to evaluate the application of the main hazardous waste management techniques in mining operations and in dumping sites being conscious of the inter-linkages and inter-compartment of the contaminated soils and sediments. For this purpose, a systematic review of the literature on the reduction or elimination of different potential toxic elements was carried out, focusing on As, Cd and Hg as main current contaminant agents. Selected techniques are feasible according to several European countries’ directives, especially in Spain. In the case of arsenic, we verified that there exists a main line that is based on the use of iron minerals and its derivatives. It is important to determine its speciation since As (III) is more toxic and mobile than As (V). For cadmium (II), we observed a certain predominance of the use of biotic techniques, compared to a variety of others. Finally, in mercury case, treatments include a phytoremediation technique using Limnocharis flava and the use of a new natural adsorbent: a modified nanobiocomposite hydrogel. The use of biological treatments is increasingly being studied because they are environmentally friendly, efficient and highly viable in both process and energy terms. The study of techniques for the removal of potential toxic elements should be performed with a focus on the simultaneous removal of several metals, since in nature they do not appear in isolation. Moreover, we found that energy analysis constitutes a limiting factor in relation to the feasibility of these techniques.
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Caputo LZS, Siqueira CS, Caputo BA, Bacchi CGV, Magalhães Filho FJC, Paulo PL. Effects of graywater on the growth and survival of ornamental plants in nature-based systems. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2019; 54:1023-1034. [PMID: 31134841 DOI: 10.1080/10934529.2019.1620028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 05/10/2019] [Accepted: 05/13/2019] [Indexed: 06/09/2023]
Abstract
The current paper investigates the development of two ornamental plants, canna lily (Canna x generalis) and giant horsetail (Equisetum giganteum), at both bench and pilot scale. Combinations of gravel-filled mesocosm, planted and unplanted (control), irrigated with light greywater (GWL) or tap water (WT), were used. Both species were able to grow under the tested conditions with no indication of toxicity that could affect the development. Irrigation with GWL, resulted in higher evapotranspiration (2.2 mm-2.8 mm) in canna lily than giant horsetail (1.7 mm-2.3 mm) in mesocosm system. When the plants were mature and the season was more humid and warmer, canna lily and giant horsetail irrigated with GWL evapotranspirated 69.23% and 30.77%, respectively as compared to the unplanted GWL-irrigated-mesocosm. Principal components and cluster analysis identified similarity between evapotranspiration (ET) and the characteristics of the plants. Both species can thus be used in constructed wetlands taking into consideration elements such as the space available, level of water and solar incidence so as to allow the full development of the plants. The roots of giant horsetail require high water availability. Low solar incidence is indicated for giant horsetail, and the opposite for canna lily, if flowering is desired.
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Affiliation(s)
- Leticia Z S Caputo
- Faculty of Engineering, Architecture and Urbanism, and Geography, Federal University of Mato Grosso do Sul , Campo Grande , MS , Brazil
| | - Camila S Siqueira
- Bioscience Institute, Federal University of Mato Grosso do Sul , Campo Grande , MS , Brazil
| | - Bruno A Caputo
- Faculty of Engineering, Architecture and Urbanism, and Geography, Federal University of Mato Grosso do Sul , Campo Grande , MS , Brazil
| | - Claudia G V Bacchi
- Faculty of Engineering, Architecture and Urbanism, and Geography, Federal University of Mato Grosso do Sul , Campo Grande , MS , Brazil
| | - Fernando J C Magalhães Filho
- Department of Sanitary and Environmental Engineering, Dom Bosco Catholic University , Campo Grande , MS , Brazil
| | - Paula L Paulo
- Faculty of Engineering, Architecture and Urbanism, and Geography, Federal University of Mato Grosso do Sul , Campo Grande , MS , Brazil
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Singh RP, Wu J, Fu D. Purification of water contaminated with Hg using horizontal subsurface constructed wetlands. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:9697-9706. [PMID: 30734251 DOI: 10.1007/s11356-019-04260-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 01/15/2019] [Indexed: 06/09/2023]
Abstract
As a global pollutant, Hg (Hg) since the turn of the last century has received increased attention. Decreasing the emission of Hg into the food chain and the atmosphere is an effective way to reduce the Hg damage. The current study provided information about pilot-scale horizontal subsurface flow (HSSF) constructed wetlands (CWs) to remove different Hg species in polluted water. Synthetic wastewater was fed to two HSSF CWs, one was planted with Acorus calamus L and the other was unplanted as a control. The total Hg (THg), dissolved Hg (DHg), and particulate Hg (PHg) from five sites along the HSSF CWs were analyzed to describe the process of Hg removal. Results show that the CWs have high removal efficiency of Hg which is more than 90%. The removal efficiencies of THg and DHg from the unplanted CW were 92.1 ± 3.6% and 72.4 ± 13.1%, respectively. While, the removal efficiencies of THg and DHg in planted CW were 95.9 ± 7.5% and 94.9 ± 4.9%, which were higher than that in blank CW. The PHg was mainly removed in the first quarter of the CWs, which was also revealed by the partition coefficient Kd. To a certain extent, the effect of plants depends on the hydraulic retention time (HRT). The results in the current study show the potential of the HSSF-CWs for restoration from Hg-contaminated water.
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Affiliation(s)
- Rajendra Prasad Singh
- Department of Municipal Engineering, School of Civil Engineering, Southeast University (SEU), Nanjing, 210096, China
- SEU-Monash Joint Research Centre for Future Cities, Nanjing, 210000, China
| | - Jiaguo Wu
- Department of Municipal Engineering, School of Civil Engineering, Southeast University (SEU), Nanjing, 210096, China
- SEU-Monash Joint Research Centre for Future Cities, Nanjing, 210000, China
| | - Dafang Fu
- Department of Municipal Engineering, School of Civil Engineering, Southeast University (SEU), Nanjing, 210096, China.
- SEU-Monash Joint Research Centre for Future Cities, Nanjing, 210000, China.
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Ribeiro PRCDC, Viana DG, Pires FR, Egreja Filho FB, Bonomo R, Cargnelutti Filho A, Martins LF, Cruz LBS, Nascimento MCP. Selection of plants for phytoremediation of barium-polluted flooded soils. CHEMOSPHERE 2018; 206:522-530. [PMID: 29778077 DOI: 10.1016/j.chemosphere.2018.05.056] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 04/19/2018] [Accepted: 05/09/2018] [Indexed: 05/19/2023]
Abstract
The use of barite (BaSO4) in drilling fluids for oil and gas activities makes barium a potential contaminant in case of spills onto flooded soils, where low redox conditions may increase barium sulfate solubility. In order to select plants able to remove barium in such scenarios, the following species were evaluated on barium phytoextraction capacity: Brachiaria arrecta, Cyperus papyrus, Eleocharis acutangula, E. interstincta, Nephrolepsis cf. rivularis, Oryza sativa IRGA 424, O. sativa BRS Tropical, Paspalum conspersum, and Typha domingensis. Plants were grown in pots and exposed to six barium concentrations: 0, 2.5, 5.0, 10.0, 30.0, and 65.0 mg kg-1. To simulate flooding conditions, each pot was kept with a thin water film over the soil surface (∼1.0 cm). Plants were evaluated for biomass yield and barium removal. The highest amount of barium was observed in T. domingensis biomass, followed by C. papyrus. However, the latter exported most of the barium to the aerial part of the plant, especially at higher BaCl2 doses, while the former accumulated barium preferentially in the roots. Thus, barium removal with C. papyrus could be achieved by simply harvesting aerial biomass. The high amounts of barium in T. domingensis and C. papyrus resulted from the combination of high barium concentration in plant tissues with high biomass production. These results make T. domingensis and C. papyrus potential candidates for phytoremediation schemes to remove barium from flooded soils.
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Affiliation(s)
| | - Douglas Gomes Viana
- Department of Agricultural and Biological Sciences, Federal University of Espírito Santo, São Mateus, ES, Brazil.
| | - Fábio Ribeiro Pires
- Department of Agricultural and Biological Sciences, Federal University of Espírito Santo, São Mateus, ES, Brazil.
| | | | - Robson Bonomo
- Department of Agricultural and Biological Sciences, Federal University of Espírito Santo, São Mateus, ES, Brazil.
| | - Alberto Cargnelutti Filho
- Division of Plant Experimentation, Department of Crop Sciences, Federal University of Santa Maria, RS, Brazil.
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Griboff J, Wunderlin DA, Monferran MV. Phytofiltration of As 3+, As 5+, and Hg by the aquatic macrophyte Potamogeton pusillus L, and its potential use in the treatment of wastewater. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2018; 20:914-921. [PMID: 29873542 DOI: 10.1080/15226514.2018.1448360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The aim of this paper was to investigate the capacity of the aquatic macrophyte Potamogeton pusillus to remove As3+, As5+, and Hg from aqueous solutions. The plants were exposed to 0 mg.L-1, 0.1 mg.L-1, 0.5 mg.L-1, 1 mg.L-1, or 2 mg.L-1 of As3+, As5+, and Hg for 20 days. The results obtained for the individual removal of As3+, As5+, and Hg from water solutions, together with their accumulation in P. pusillus, indicate that this plant can be effectively used for the removal of Hg and of moderate concentrations of As3+ or As5+ (0.1 mg.L-1) from aquatic systems. Roots and leaves accumulated the highest amount of As when the plant was exposed to As5+, but when it was exposed to As3+, the root accumulated the highest amount of As, and the leaves, the highest amount of Hg. When compared to other aquatic plants species, the results showed that P. pusillus demonstrated a higher Hg accumulation (2465 ± 293 µg.g-1) when the transfer coefficient was 40,580 ± 3762 L.kg -1, showing the great potential of this macrophyte for phytoremediation of water contaminated with Hg. To the extent of our knowledge, this is the first report on bioaccumulation of As3+, As5+, and Hg by P. pusillus.
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Affiliation(s)
- Julieta Griboff
- a ICYTAC- Instituto de Ciencia y Tecnologia de Alimentos Córdoba, CONICET , Córdoba , Argentina
- b Facultad de Ciencias Químicas, Universidad Nacional de Córdoba , Córdoba , Argentina
| | - Daniel A Wunderlin
- a ICYTAC- Instituto de Ciencia y Tecnologia de Alimentos Córdoba, CONICET , Córdoba , Argentina
- b Facultad de Ciencias Químicas, Universidad Nacional de Córdoba , Córdoba , Argentina
| | - Magdalena V Monferran
- a ICYTAC- Instituto de Ciencia y Tecnologia de Alimentos Córdoba, CONICET , Córdoba , Argentina
- b Facultad de Ciencias Químicas, Universidad Nacional de Córdoba , Córdoba , Argentina
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Wei Q, Yan J, Chen Y, Zhang L, Wu X, Shang S, Ma S, Xia T, Xue S, Zhang H. Cell Surface Display of MerR on Saccharomyces cerevisiae for Biosorption of Mercury. Mol Biotechnol 2018; 60:12-20. [PMID: 29128956 DOI: 10.1007/s12033-017-0039-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The metalloregulatory protein MerR which plays important roles in mer operon system exhibits high affinity and selectivity toward mercury (II) (Hg2+). In order to improve the adsorption ability of Saccharomyces cerevisiae for Hg2+, MerR was displayed on the surface of S. cerevisiae for the first time with an α-agglutinin-based display system in this study. The merR gene was synthesized after being optimized and added restriction endonuclease sites EcoR I and Mlu I. The display of MerR was indirectly confirmed by the enhanced adsorption ability of S. cerevisiae for Hg2+ and colony PCR. The hydride generation atomic absorption spectrometry was applied to measure the Hg2+ content in water. The engineered yeast strain not only showed higher tolerance to Hg, but also their adsorption ability was much higher than that of origin and control strains. The engineered yeast could adsorb Hg2+ under a wide range of pH levels, and it could also adsorb Hg2+ effectively with Cd2+ and Cu2+ coexistence. Furthermore, the engineered yeast strain could adsorb ultra-trace Hg2+ effectively. The results above showed that the surface-engineered yeast strain could adsorb Hg2+ under complex environmental conditions and could be used for the biosorption and bioremediation of environmental Hg contaminants.
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Affiliation(s)
- Qinguo Wei
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China
| | - Jiakuo Yan
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China
| | - Yao Chen
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China
| | - Lei Zhang
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China
| | - Xiaoyang Wu
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China
| | - Shuai Shang
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China.,College of Marine Life Sciences, Ocean University of China, Songling Road No. 238, Laoshan District, Qingdao, 266100, Shandong, China
| | - Shisheng Ma
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China
| | - Tian Xia
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China
| | - Shuyu Xue
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China
| | - Honghai Zhang
- College of Life Science, Qufu Normal University, Jingxuan West Street No. 57, Qufu, 273165, Shandong, China.
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Upadhyay AK, Singh NK, Bankoti NS, Rai UN. Designing and construction of simulated constructed wetland for treatment of sewage containing metals. ENVIRONMENTAL TECHNOLOGY 2017; 38:2691-2699. [PMID: 27974042 DOI: 10.1080/09593330.2016.1273396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A simulated horizontal flow constructed wetland (CW) has been designed with gravel medium and aquatic plants Typha latifolia and Polygonum hydropiper to assess its performance efficiency for sewage treatment. Monitoring of fully developed CW revealed a high removal of nutrients and metals from sewage after treatment at varying retention times. The percent (%) removal of biological oxygen demand, total dissolved solids, total suspended solids, PO4-P and total nitrogen in CW planted with T. latifolia were 88.20, 61.9, 72.12, 74.23 and 66.78%; however, with P. hydropiper, reductions were 79.47, 53.47, 55.46, 60.40 and 52.87%, respectively, at 8 d retention time. In addition, T. latifolia and P. hydropiper accumulated substantial amount of metals in their tissues particularly in roots. T. latifolia root accumulated maximum amount of Zn (40.44 µg/g dw) followed by Cu (39.24 µg/g dw), Pb (37.78 µg/g dw) and Cr (19.95 µg/g dw) as compared to P. hydropiper, which was 17.85, 33.43, 36.19 and 9.67 µg/g dw, respectively. Further, plant-specific high translocation factor (>1) of metals were observed at different retention times. Results suggest that simulated CW may be applied as an ecofriendly and low-cost tool to treat sewage before discharge into a fresh water body.
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Affiliation(s)
- A K Upadhyay
- a Plant Ecology and Environmental Science Division , CSIR-National Botanical Research Institute , Lucknow , India
- b Department of Botany, L.S.M. Govt. P.G. College, Pithoragarh , Kumaun University , Nainital , India
| | - N K Singh
- c Institute of Environment and Sustainable Development , Banaras Hindu University , Varanasi , India
| | - N S Bankoti
- b Department of Botany, L.S.M. Govt. P.G. College, Pithoragarh , Kumaun University , Nainital , India
| | - U N Rai
- a Plant Ecology and Environmental Science Division , CSIR-National Botanical Research Institute , Lucknow , India
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29
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Bonanno G, Cirelli GL. Comparative analysis of element concentrations and translocation in three wetland congener plants: Typha domingensis, Typha latifolia and Typha angustifolia. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 143:92-101. [PMID: 28525817 DOI: 10.1016/j.ecoenv.2017.05.021] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Revised: 05/08/2017] [Accepted: 05/11/2017] [Indexed: 06/07/2023]
Abstract
This study analyzed the concentrations and distributions of Al, As, Cd, Cr, Cu, Hg, Mn, Ni, Pb and Zn in three different cattail species growing spontaneously in a natural wetland subject to municipal wastewater and metal contamination. The cattail species included Typha domingensis, T. latifolia and T. angustifolia. Results showed that all Typha species have similar element concentrations in roots, rhizomes and leaves, and similar element mobility from sediments to roots and from roots to leaves. This study corroborated three patterns of Typha species growing in metal contaminated environments: high tolerance to toxic conditions, bulk element concentrations in roots, and restricted element translocation from roots to leaves. This study showed that three different Typha species respond similarly to metal inputs under the same polluting field conditions. Given their similar metal content and similar biomass size, our results suggest that T. domingensis, T. latifolia and T. angustifolia may have comparable capacity of phytoremediation. High element uptake and large biomass make Typha species some of the best species for phytoremediation of metal contaminated environments.
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Affiliation(s)
- Giuseppe Bonanno
- Department of Biological, Geological and Environmental Sciences, University of Catania, Via Longo 19, 95125 Catania, Italy.
| | - Giuseppe Luigi Cirelli
- Department of Agriculture, Nutrition and Environment, University of Catania, Via Santa Sofia 100, 95123 Catania, Italy
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30
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Njuguna SM, Yan X, Gituru RW, Wang Q, Wang J. Assessment of macrophyte, heavy metal, and nutrient concentrations in the water of the Nairobi River, Kenya. ENVIRONMENTAL MONITORING AND ASSESSMENT 2017; 189:454. [PMID: 28815343 PMCID: PMC5559568 DOI: 10.1007/s10661-017-6159-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Accepted: 08/01/2017] [Indexed: 05/29/2023]
Abstract
Nairobi River tributaries are the main source of the Athi River. The Athi River basin is the fourth largest and important drainage system in Kenya covering 650 km and with a drainage area of 70,000 km2. Its water is used downstream by about four million people not only for irrigation but also for domestic purposes. However, its industrial, raw sewer, and agricultural pollution is alarming. In order to understand distribution and concentration of heavy metals and nutrients in the water of Nairobi River, 28 water samples were collected in the rainy season (October) of 2015 and dry season (June) of 2016. Cd, Cu, Cr, Zn, As, Pb, Fe, Ni, Mn, NO3-, and TP were analyzed. Only Cr, Pb, Fe, and Mn had concentrations exceeding the WHO permissible limit for drinking water. Out of the 28 sites examined in the study, one site had Pb exceeding the WHO recommended level. Similarly, three sites exceeded the same level for Cr. Only three sites were within the WHO permissible limits for drinking water for Mn while just four sites were within USEPA limit for Fe. Industrial effluent, domestic sewerage, agricultural activities, and solid waste were the main sources of pollution. Significant spatial variation of both heavy metals and nutrients concentration was observed and emanated from point source pollution. Eleven out of 31 macrophytes species that were identified along the river and its tributaries are effective heavy metal and nutrient bioaccumulators and may be used in phytoremediation.
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Affiliation(s)
- Samwel Maina Njuguna
- Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan, 430074, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xue Yan
- Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan, 430074, China.
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China.
| | | | - Qingfeng Wang
- Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan, 430074, China
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
| | - Jun Wang
- Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan, 430074, China
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, 430074, China
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31
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Leroy MC, Marcotte S, Legras M, Moncond'huy V, Le Derf F, Portet-Koltalo F. Influence of the vegetative cover on the fate of trace metals in retention systems simulating roadside infiltration swales. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 580:482-490. [PMID: 28024749 DOI: 10.1016/j.scitotenv.2016.11.195] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 11/25/2016] [Accepted: 11/27/2016] [Indexed: 06/06/2023]
Abstract
Large-scale outdoor mesocosms were designed and co-contaminated with metals (Cd, Pb, Zn) and organic compounds to better understand the complex functioning of urban roadside swale environments. Infiltration systems were planted with macrophytes (P. arundinaceae, J. effusus and I. pseudacorus) or grassed, and natural or spiked target metals were monitored over two years. In the non-spiked mesocosms, atmospheric metal inputs were slightly higher than outputs, leading to low metal accumulation in topsoils and to very low outflow water contamination (<0.7% of the initial metal stock). In the spiked infiltration systems that simulated point pollution through water inflow, transfer of the initial stock of metals to the deeper soil layers was quite low and outflow water contamination was very low (<0.6% of the initial stock). The main metal output from these systems occurred in the first days of their installation because of the high metal solubility in water and insufficient plant cover at that time. The infiltration systems stabilized after a few weeks, probably because of stronger sorption to soil aggregates, and because of plant root development. Mephytoextraction in plant roots was more efficient in mesocosms planted with P. arundinacea and grass. Metal phytoextraction in plant aerial parts was also better for grass and P. arundinacea, when considering metal standing stocks instead of their concentration in plants. J. effusus was a good metal accumulator, but its low aboveground biomass development was less favorable to metal removal through harvesting.
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Affiliation(s)
- M C Leroy
- INFRA Services, 55b rue Gaston Boulet, 76380 Canteleu, France.
| | - S Marcotte
- Normandie University, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), avenue de l'Université, 76800 Saint-Etienne-du-Rouvray, France.
| | - M Legras
- Unité Agri'Terr, Esitpa - Ecole d'Ingénieurs en Agriculture, 3 rue du Tronquet, 76134 Mont-Saint-Aignan Cedex, France.
| | - V Moncond'huy
- INFRA Services, 55b rue Gaston Boulet, 76380 Canteleu, France.
| | - F Le Derf
- Normandie University, UNIROUEN, INSA Rouen, CNRS, COBRA (UMR 6014), 55 rue Saint Germain, 27000 Evreux, France.
| | - F Portet-Koltalo
- Normandie University, UNIROUEN, INSA Rouen, CNRS, COBRA (UMR 6014), 55 rue Saint Germain, 27000 Evreux, France.
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Machado AI, Beretta M, Fragoso R, Duarte E. Overview of the state of the art of constructed wetlands for decentralized wastewater management in Brazil. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2017; 187:560-570. [PMID: 27865730 DOI: 10.1016/j.jenvman.2016.11.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Revised: 11/03/2016] [Accepted: 11/07/2016] [Indexed: 06/06/2023]
Abstract
Conventional wastewater treatment plants (WWTPs) commonly require large capital investments as well as operation and maintenance costs. Constructed wetlands (CWs) appear as a cost-effective treatment, since they can remove a broad range of contaminants by a combination of physical, chemical and biological processes with a low cost. Therefore, CWs can be successfully applied for decentralized wastewater treatment in regions with low population density and/or with large land availability as Brazil. The present work provides a review of thirty nine studies developed on CWs implemented in Brazil to remove wastewater contaminants. Brazil current sanitation data is also considered to evaluate the potential role of CWs as decentralized wastewater treatment. Performance of CWs was evaluated according to (i) type of wetland system, (ii) different support matrix (iii) vegetation species and (iv) removal efficiency of chemical oxygen demand (COD), biological oxygen demand (BOD5), nitrogen (N), and phosphorus (P). The reviewed CWs in overall presented good efficiencies, whereas H-CWs achieved the highest removals for P, while the higher results for N were attained on VF-CW and for COD and BOD5 on HF-CW. Therefore, was concluded that CWs are an interesting solution for decentralized wastewater treatment in Brazil since it has warm temperatures, extensive radiation hours and available land. Additionally, the low percentage of population with access to the sewage network in the North and Northeast regions makes these systems especially suitable. Hence, the further implementation of CW is encouraged by the authors in regions with similar characteristics as Brazil.
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Affiliation(s)
- A I Machado
- Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisboa, Portugal.
| | - M Beretta
- Departamento de Engenharia Ambiental, Universidade Federal da Bahia, Escola Politécnica, Rua Aristides Novis, 02 Federação, 40210-630, Salvador, BA, Brazil
| | - R Fragoso
- LEAF, Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisboa, Portugal
| | - E Duarte
- LEAF, Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017, Lisboa, Portugal
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Marrugo-Negrete J, Enamorado-Montes G, Durango-Hernández J, Pinedo-Hernández J, Díez S. Removal of mercury from gold mine effluents using Limnocharis flava in constructed wetlands. CHEMOSPHERE 2017; 167:188-192. [PMID: 27721129 DOI: 10.1016/j.chemosphere.2016.09.130] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 09/23/2016] [Accepted: 09/26/2016] [Indexed: 06/06/2023]
Abstract
Phytoremediation has received increased attention over the recent decades, as an emerging and eco-friendly approach that utilizes the natural properties of plants to remediate contaminated water, soils or sediments. The current study provides information about a pilot-scale experiment designed to evaluate the potential of the anchored aquatic plant Limnocharis flava for phytoremediation of water contaminated with mercury (Hg), in a constructed wetland (CW) with horizontal subsurface flow (HSSF). Mine effluent used in this experiment was collected from a gold mining area located at the Alacran mine in Colombia (Hg: 0.11 ± 0.03 μg mL-1) and spiked with HgNO3 (1.50 ± 0.09 μg mL-1). Over a 30 day test period, the efficiency of the reduction in the heavy metal concentration in the wetlands, and the relative metal sorption by the L. flava, varied according to the exposure time. The continued rate of removal of Hg from the constructed wetland was 9 times higher than the control, demonstrating a better performance and nearly 90% reduction in Hg concentrations in the contaminated water in the presence of L. flava. The results in this present study show the great potential of the aquatic macrophyte L. flava for phytoremediation of Hg from gold mining effluents in constructed wetlands.
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Affiliation(s)
- José Marrugo-Negrete
- University of Córdoba, Faculty of Basic Sciences, Department of Chemistry, Water, Applied and Environmental Chemistry Group, Laboratory of Toxicology and Environmental Management, Montería, Colombia
| | - Germán Enamorado-Montes
- University of Córdoba, Faculty of Basic Sciences, Department of Chemistry, Water, Applied and Environmental Chemistry Group, Laboratory of Toxicology and Environmental Management, Montería, Colombia
| | - José Durango-Hernández
- University of Córdoba, Faculty of Basic Sciences, Department of Chemistry, Water, Applied and Environmental Chemistry Group, Laboratory of Toxicology and Environmental Management, Montería, Colombia
| | - José Pinedo-Hernández
- University of Córdoba, Faculty of Basic Sciences, Department of Chemistry, Water, Applied and Environmental Chemistry Group, Laboratory of Toxicology and Environmental Management, Montería, Colombia
| | - Sergi Díez
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research, IDÆA-CSIC, Barcelona, Spain.
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Mojiri A, Ziyang L, Tajuddin RM, Farraji H, Alifar N. Co-treatment of landfill leachate and municipal wastewater using the ZELIAC/zeolite constructed wetland system. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2016; 166:124-130. [PMID: 26496842 DOI: 10.1016/j.jenvman.2015.10.020] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 08/28/2015] [Accepted: 10/11/2015] [Indexed: 06/05/2023]
Abstract
Constructed wetland (CW) is a low-cost alternative technology to treat wastewater. This study was conducted to co-treat landfill leachate and municipal wastewater by using a CW system. Typha domingensis was transplanted to CW, which contains two substrate layers of adsorbents, namely, ZELIAC and zeolite. Response surface methodology and central composite design have been utilized to analyze experimental data. Contact time (h) and leachate-to-wastewater mixing ratio (%; v/v) were considered as independent variables. Colour, COD, ammonia, nickel, and cadmium contents were used as dependent variables. At optimum contact time (50.2 h) and leachate-to-wastewater mixing ratio (20.0%), removal efficiencies of colour, COD, ammonia, nickel, and cadmium contents were 90.3%, 86.7%, 99.2%, 86.0%, and 87.1%, respectively. The accumulation of Ni and Cd in the roots and shoots of T. domingensis was also monitored. Translocation factor (TF) was >1 in several runs; thus, Typha is classified as a hyper-accumulator plant.
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Affiliation(s)
- Amin Mojiri
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, China; Institute of Infrastructure Engineering and Sustainable Management (IIESM), Universiti Teknologi Mara (UiTM), Shah Alam 40450, Selangor Darul Ehsan, Malaysia.
| | - Lou Ziyang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Ramlah Mohd Tajuddin
- Faculty of Civil Engineering, Universiti Teknologi Mara (UiTM), Shah Alam 40450, Selangor Darul Ehsan, Malaysia
| | - Hossein Farraji
- School of Civil Engineering, Universiti Sains Malaysia (USM), Nibong Tebal 14300, Penang, Malaysia
| | - Nafiseh Alifar
- Department of Land Management, Faculty of Agriculture, Universiti Putra Malaysia (UPM), Serdang 43400, Selangor Darul Ehsan, Malaysia
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Velásquez-Riaño M, Benavides-Otaya HD. Bioremediation techniques applied to aqueous media contaminated with mercury. Crit Rev Biotechnol 2015; 36:1124-1130. [PMID: 26482416 DOI: 10.3109/07388551.2015.1100156] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In recent years, the environmental and human health impacts of mercury contamination have driven the search for alternative, eco-efficient techniques different from the traditional physicochemical methods for treating this metal. One of these alternative processes is bioremediation. A comprehensive analysis of the different variables that can affect this process is presented. It focuses on determining the effectiveness of different techniques of bioremediation, with a specific consideration of three variables: the removal percentage, time needed for bioremediation and initial concentration of mercury to be treated in an aqueous medium.
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Lominchar MA, Sierra MJ, Millán R. Accumulation of mercury in Typha domingensis under field conditions. CHEMOSPHERE 2015; 119:994-999. [PMID: 25303659 DOI: 10.1016/j.chemosphere.2014.08.085] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 08/26/2014] [Accepted: 08/31/2014] [Indexed: 06/04/2023]
Abstract
Typha species is a common wetland plant used in the treatment of urban and industrial effluents. But, despite their widespread implementation, there are not many studies based on the behaviour of this plant growing in an areas affected by mercury. The present work investigates the ability of Typha domingensis to accumulate mercury under field conditions. The study area was along the Valdeazogues river which flows through the Almadén mining district (Ciudad Real, Spain) that is considered the largest mercury reservoir in the world. The mercury concentration in different plant fractions was measured as well as the available and total concentration in the bottom sediments. The results showed that the highest mercury concentrations were found in the belowground organs. T. domingensis had a high efficiency to accumulate mercury in their organs although available metal concentrations in the environment did not exceed 0.16 mg kg(-1). Bioaccumulation factors (BAF) ranged between 121 and 3168 in roots. Furthermore, significant correlations were found between mercury concentration in all plant organs and Hg in sediments (both total and available). These results demonstrated that T. domingensis could be used as a biomonitor as well as in phytoextraction technology in areas affected by mercury.
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Affiliation(s)
- M A Lominchar
- CIEMAT - DMA, Avenida Complutense 40, E-28040 Madrid, Spain.
| | - M J Sierra
- CIEMAT - DMA, Avenida Complutense 40, E-28040 Madrid, Spain
| | - R Millán
- CIEMAT - DMA, Avenida Complutense 40, E-28040 Madrid, Spain
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