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Journal articles on the topic 'Migration of heavy metal'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Shang, Shu Bo, and Xu Qian Li. "Study on the Co-Migration of Pb with Soil Colloids under Rainfall." Advanced Materials Research 183-185 (January 2011): 437–41. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.437.

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In this experiment, clay loam, fine sandy loam and silty loam collected from the farmland (FL), floodplain (FP) and Loess platform (LP) in Changchun separately were chosen to study the role of rainfall on the migration of heavy metal (Pb)-colloid complexes quantitively through soil column simulation in laboratory. The purpose of this study is to illuminate the tendency for colloid-Pb co-migrating to deep soil and groundwater. The study shows whether how the mechanism between colloid and heavy metal acts, the processes exist in common. First, through some sort of adsorption, heavy metal form co

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2

Zhao, Congcong, Hemiao Yu, Zhenxiao Qi, and Min Li. "Study on Application of Transparent Soil in Migration of Heavy Metal Pollutants in Porous Media." Buildings 15, no. 4 (2025): 612. https://doi.org/10.3390/buildings15040612.

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Clarifying the migration law of heavy metal pollutants in soil is the key prerequisite for its treatment. Because most heavy metal pollutants possess color-rendering properties, it is theoretically feasible to use synthesized transparent soil to simulate the migration and diffusion of heavy pollutants in soil. In order to assess the feasibility of employing transparent soil for investigating heavy metal migration (singly and multiply) in porous media, the fluctuation rates and concentration distribution of pollutants were measured from both vertical and horizontal perspectives. Simultaneously,

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3

Yao, Jie, Jianping Qian, and Dongru Ji. "Machine Learning-Based Analysis of Heavy Metal Migration Under Acid Rain: Insights from the RF and SVM Algorithms." Minerals 15, no. 6 (2025): 663. https://doi.org/10.3390/min15060663.

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Acid rain alters soil chemistry significantly and is a key driver of heavy metal pollution. This study investigates the environmental impact of acid rain-induced heavy metal migration in the Siding Lead–Zinc mining area in south China. Tailings, surrounding soils, and riverbed sediments were examined through simulated acid rain soil column leaching experiments. Leachate parameters—including pH, redox potential (Eh), total dissolved solids (TDSs) and heavy metal concentrations—were used to develop machine learning models (Random Forest and Support Vector Machine) to quantify the influence of en

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Zhang, Wanjun, Cunlin Xin, and Shi Yu. "A Review of Heavy Metal Migration and Its Influencing Factors in Karst Groundwater, Northern and Southern China." Water 15, no. 20 (2023): 3690. http://dx.doi.org/10.3390/w15203690.

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With the substantial increase in karst groundwater pollution, the pollution caused by heavy metal migration has become one of the hottest topics. The migration characteristics of heavy metals in karst groundwater are closely related to the geological environment in which they are found. Therefore, this review focuses on the migration characteristics of heavy metals in karst groundwater in southern and northern China and highlights the effect of different environmental contexts such as atmosphere (precipitation), vegetation, soil, rock, and aquifers on the behavior of heavy metals. It also summ

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Yi, Qin, and Cheng Huang. "Review of heavy metal pollution by mining." E3S Web of Conferences 118 (2019): 04028. http://dx.doi.org/10.1051/e3sconf/201911804028.

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Heavy metal pollution in soil is an unavoidable problem along with mining activities. This paper has reviewed the current research status of heavy metal pollution in mine soils in five aspects. They are evaluation methods of heavy metal pollution, migration activities of heavy metals in soil, migration mechanism, spatial distribution model and development trend of mine pollution research.

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Li, Yingmei, Xiaoyan Shang, and Yu Chen. "Study on The Transport and Transformation of Heavy Metal Lead from Agricultural Land in An Abandoned Mining Area in Southwestern Yunnan." Academic Journal of Science and Technology 9, no. 3 (2024): 217–20. http://dx.doi.org/10.54097/tm7xq350.

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In this paper, the heavy metals in the agricultural land around an abandoned mine in southwest Yunnan Province were taken as the object of study, 15 samples of topsoil, middle soil and deep soil were collected, and 5 maize plants were randomly selected in the soil sampling points to study the migration and transformation of heavy metal lead in the soil-maize system in the agricultural land around the abandoned mine. The results showed that the soils in the study area were enriched with heavy metal Pb, which was generally expressed as surface soil > middle soil > deep soil; the migration

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Geng, Nan, Yinfeng Xia, Dongfeng Li, Fuqing Bai, and Cundong Xu. "Migration and Transformation of Heavy Metal and Its Fate in Intertidal Sediments: A Review." Processes 12, no. 2 (2024): 311. http://dx.doi.org/10.3390/pr12020311.

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Intertidal sediments are rich in biological resources, which are important for material circulation and energy exchange. Meanwhile, these areas can be treated as sinks as well as sources of coastal heavy metal pollutants. Due to the influence of the tide, the intertidal sediments are in a state of periodic flooding and exposure, and environmental factors such as dissolved oxygen, salinity and overlying water pressure are changeable. Heavy metals in sediments are prone to migration and transformation with the dynamic effects of tidal water and the changes in the environment factors, which incre

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8

Huang, Jie Ying, Xiao Chun Xu, Li Wei Chen, and Yuan Xiang Zhou. "Heavy Metal Migration Rule in Yangshanchong Tailings of Tongling." Advanced Materials Research 573-574 (October 2012): 421–26. http://dx.doi.org/10.4028/www.scientific.net/amr.573-574.421.

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This study investigated the Yangshanchong tailings reservoir to determine the migration of heavy metals in mine tailings. By paralleling to tailings discharge direction, we set 4 sampling profiles, open channel excavation sampling. The results showed that the transfer rates of Cu, As, Hg, Cd, and Pb are relatively fast, while that of Zn is slower. Hg, Cu, Cd, Pb and Zn secondary enrichment appear at 40~80cm. There are some discrepancies in the heavy metal migration characteristics in different places. At the highest part of the tailings reservoir, heavy metal element's content is higher than t

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9

Song, Xiao Yun, Zhuo Jun Sun, Chun Ping Li, et al. "Effect of Thermal Aging on Migration Characteristics of Heavy Metal in PET." Materials Science Forum 850 (March 2016): 142–47. http://dx.doi.org/10.4028/www.scientific.net/msf.850.142.

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Polyethylene terephthalate (PET) is usually used as food packaging materials. And the heavy metal introduced during the process of manufacture usually exists in the spaces between macromolecules as monomer form. When PET contacts with real food, some heavy metals will migrate into the food since the motion of these molecules overcomes the binding power. As a result, it does great harm to our health. In this article PET was disposed in different thermal ageing conditions in order to accelerate its aging process. Then the original and aged PET samples were tested by Different Scanning Calorimete

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10

Ruishi, Liang, and Zaiton Mat Isa. "Two-Dimensional Heavy Metal Migration in Soil with Adsorption and Instantaneous Injection." Malaysian Journal of Fundamental and Applied Sciences 19, no. 6 (2023): 980–88. http://dx.doi.org/10.11113/mjfas.v19n6.3090.

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This paper studies a two-dimensional transport model to investigate the behavior of heavy metal migration in porous media, specifically considering their transport in soil. The model takes into consideration the combination of adsorption term as well as instantaneous injection at the boundary. Also, the model accounts for both longitudinal and transverse movements, providing a comprehensive understanding of heavy metal transport phenomena. In order to obtain the analytical solution Laplace transform has been implemented. It is found that the peak concentration of heavy metals is found to be gr

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11

Li, Zheng, Weiwei Zhang, Shuhang Wang, et al. "Analysis of Heavy Metal Pollution Characteristics and Biological Effects in Lake Sediments: Implications for Health Risk Assessment." Processes 13, no. 7 (2025): 2140. https://doi.org/10.3390/pr13072140.

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Heavy metals have long been a significant and challenging topic in the research and treatment of lake water environments due to their non-degradability and ease of bioaccumulation. With the advancement of industries such as manufacturing, agriculture, and heavy industry, coupled with the increasing demand for heavy metals, the levels of heavy metals entering the environment have been rising annually. This trend necessitates more refined control measures for heavy metals in the environment. Currently, research on heavy metals in lake sediments in China mainly focuses on spatial distribution, mo

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12

Zhang, Xu, Huanhuan Yang, and Zhaojie Cui. "Migration and speciation of heavy metal in salinized mine tailings affected by iron mining." Water Science and Technology 76, no. 7 (2017): 1867–74. http://dx.doi.org/10.2166/wst.2017.369.

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The negative effects of heavy metals have aroused much attention due to their high toxicity to human beings. Migration and transformation trend of heavy metals have a close relationship with soil safety. Researching on migration and transformation of heavy metals in tailings can provide a reliable basis for pollution management and ecosystem restoration. Heavy metal speciation plays an important role in risk assessment. We chose Anshan tailings for our study, including field investigations and laboratory research. Four typical heavy metal elements of mine tailings {Fe (373.89 g/kg), Mn (2,303.

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Petro G. Kyrienko, Tetyana O. Klocko, Irina Y. Khomenko, and Ganna M. Durnevich. "Analysis of heavy metal migration in vegetable agricultural waste." Environmental safety and natural resources 36, no. 4 (2020): 32–40. http://dx.doi.org/10.32347/2411-4049.2020.4.32-40.

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One of the most important tasks facing Ukraine is to maximize the use of its own renewable energy resources, including the use of agricultural waste (stems, straw, sunflower husks, bonfires, etc.) to obtain energy sources such as fuel briquettes and pellets. The urgency of complete utilization of agricultural waste depends on the content of heavy metals in the ash formed during the combustion of fuel briquettes made from agricultural waste. The entry of heavy metals from the soil into plants today is a serious environmental problem, as a result of which human and animal food, as well as agricu

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Chen, Yuan. "Study of the Impact Factors on Heavy Metals Migration of Stainless Steel Choppers." Advanced Materials Research 834-836 (October 2013): 420–24. http://dx.doi.org/10.4028/www.scientific.net/amr.834-836.420.

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The factors on the impact of heavy metals migration (Nickel (Ni) and Chromium (Cr)) of stainless steel choppers were studied in this paper, including chemical composition of stainless steel choppers and surface treatment, sample soaking mode, soaking time and soaking temperature. The results shown that, which did not exist linear relationship between the chemical composition and heavy metal migration. Instead, the surface treatment process was the major impact factor. The heavy metals migration of stainless steel choppers reduced after surface treatment processes. Than the direct integral soak

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15

Zhao, Xiao Guang, Wen Yu Huang, and Le Yao. "Study on the Bioavailability of Soil Heavy Metal." Advanced Materials Research 610-613 (December 2012): 3085–90. http://dx.doi.org/10.4028/www.scientific.net/amr.610-613.3085.

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This paper analyzes the bioavailability of soil heavy metal with morphology, geochemical facies, activity coefficient, migration coefficient, metastasis coefficient of soil heavy metal in the Puyu village, Huayin city. The research results show that: firstly, physiochemical properties of soil (include moisture content, available P, available K, total N, soil texture and so on) are key influencing factors for heavy metal activity, and correlation between total content and various morphology content of heavy metal too; secondly, antagonism and synergism are discovered among various heavy metal;

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Yin, Lei, Dongdong Chen, Yunqi Yang, et al. "Lattice-Boltzmann-Method-Based Numerical Simulation for Heavy Metal Migration Process during Deep-Sea Mining." Symmetry 16, no. 5 (2024): 557. http://dx.doi.org/10.3390/sym16050557.

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During deep-sea mining, heavy metal pollutants can cause contamination in the marine environment. In this paper, the multiphasic coupling model is established to describe the heavy metal migration process during deep-sea mining, which takes the effects of the convection–diffusion, adsorption–desorption, and sedimentation–resuspension of heavy metals in the aquatic environment into full consideration. Due to the advantages of the Lattice Boltzmann method, it is adopted to numerically solve the multiphasic coupling model and achieve the simulation of the heavy metal migration process during deep

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17

Mo, Jianghong, Xinling Tian, and Wei Shen. "Tracing the source of heavy metal pollution in water sources of Tourist Attractions Based on GIS remote sensing." Earth Sciences Research Journal 25, no. 2 (2021): 207–14. http://dx.doi.org/10.15446/esrj.v25n2.84631.

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To effectively prevent heavy metal pollution in water sources in tourist attractions, clarify the degree of control of heavy metal pollution sources, and improve the accuracy of tracing results, a GIS-based remote sensing method of heavy metal pollution in tourist attractions is proposed. Using GIS spatial analysis method, the DEM elevation data monitored by remote sensing is obtained, the watershed geographic information is compiled, and the GPS obtains the longitude and latitude coordinates to locate the source of heavy metal pollution. The plug-in application framework is designed, and the

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18

Zhao, Qiuyu, Siyi Wang, and Jianjun Wang. "Chemical behaviours of Arsenium, Chromium, Mercury, Lead, and Strontium in aqueous system." E3S Web of Conferences 290 (2021): 01022. http://dx.doi.org/10.1051/e3sconf/202129001022.

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Over the decades, the application of heavy metals and the expansion of civilization resulted in severe pollutions in aqueous solutions. The poor degradation of toxic heavy metal contaminants in hydrosphere undoubtedly posed a huge threat to environmental safety and biological health. In this review, as most common heavy metal pollutants, arsenium (As), chromium (Cr), mercury (Hg), lead (Pb), and strontium (Sr) were introduced in detail. The chemical behaviours, chemical status, biological toxicity, and migration of mentioned contaminants were summarized. This work highlighted and reviewed the

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19

Hua, Yang, Hui-Yang Suna, Shi-ji Zhoua, Yang Xua, Qing Zhanga, and Yan-jun Dua. "Numerical simulation of heavy metal migration in stabilized soils under multi-field coupling." IOP Conference Series: Earth and Environmental Science 1335, no. 1 (2024): 012024. http://dx.doi.org/10.1088/1755-1315/1335/1/012024.

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Abstract Heavy metal contamination of soils has become a global issue. In pursuit of a reference for the management of heavy metal pollution, numerical simulations were used here to investigate the migration pattern of heavy metals in soil under multi-field coupling of rainfall, temperature, and hydraulic conductivity. Models were built using TOUGHREACT, and measured and simulated values were compared with those of existing studies to verify the accuracy of the software in simulating coupled water vapor-thermal transport and rainfall infiltration. Taking Nanjing rainfall data as an example, th

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20

Nie, Qingke, Wei Wang, Wenkai Guo, and Huawei Li. "Experimental Study on the Coupled Heat-Moisture-Heavy Metal Pollutant Transfer Process in Soils." Advances in Civil Engineering 2021 (March 29, 2021): 1–10. http://dx.doi.org/10.1155/2021/5510217.

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The coupled physical mechanism of heat conduction, moisture migration, and heavy metal transfer in a kaolin soil was studied by one-dimensional column tests. Two cyclic temperature tests show that, during the second cycle, the temperature close to the heat source of the soil column is lower than that during the first cycle and the temperature far away from the heat source is low, which reflects the influence of heating path. Correspondingly, the moisture content distribution during the second cycle is quite different from that during the first cycle. The higher the soil dry density is, the bet

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21

Bao, Weimin, Weifan Wan, Zhi Sun, Mei Hong, and Haigang Li. "Spatial Distribution and Migration of Heavy Metals in Dry and Windy Area Polluted by Their Production in the North China." Processes 12, no. 1 (2024): 160. http://dx.doi.org/10.3390/pr12010160.

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We explored the migration and distribution of heavy metal pollution in a dry and windy area in northern China. We collected soil, atmospheric deposition, and water samples, and measured heavy metal concentrations. Cu, Zn, As, and Pb in the 0–10 cm soil layer had a fan-shaped distribution, consistent with their atmospheric deposition fluxes. This indicates that the distribution of these heavy metals was driven by strong winds. The concentration of Cd in the river increased from 0.257 mg/L upstream to 0.460 mg/L downstream, resulting in the same distribution trends as soil near the river. Surfac

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22

Petukhov, A. S., T. A. Kremleva, E. D. Levchuk, N. A. Khritokhin, and G. A. Petukhova. "Heavy metal accumulation in soils and leaves of Betula pendula in urban pollution conditions." Theoretical and Applied Ecology, no. 1 (March 25, 2025): 83–91. https://doi.org/10.25750/1995-4301-2024-4-083-091.

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The main aim was to study heavy metal (Cu, Zn, Fe, Mn, Pb, Cd, Ni, Co, Cr) migration in soil-birch (Betula pendula) system, as well as to determine the contribution of metal aerotechnogenic migration to their total accumulation by birch leaves. Soils and birch leaves were sampled near industrial enterprises and transport hubs in Tyumen. The mobile and acid-soluble metal fraction content in soils, as well as metal content in washed and unwashed birch leaves were determined by atomic emission spectroscopy. Metal accumulation in urban soils compared to the control decreased in the order: Cd>Pb

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Peng, Xi, Bin Quan Jiao, and Dong Wei Li. "Heavy Metal’s Potential Harm for Environment of Ancient Pyrometallurgical Slag." Advanced Materials Research 160-162 (November 2010): 130–34. http://dx.doi.org/10.4028/www.scientific.net/amr.160-162.130.

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The total content of heavy metal in solid waster is usually used to forecast heavy metal’s potential harm for environment.This work was to study the potential harm for environment of ancient pyrometallurgical slag.The heavy metal content in ancient pyrometallurgical slag is high and the average content of heavy metal (zinc plus plumbum) is up to 6.97%.But the leachable quantity of Zn,Pb,Cr and Cd are all very low.It shows that the total content of heavy metal could not represent the harm for environment. Meanwhile,leaching behavior of heavy metal in pyrometallurgical slag was discussed through

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Cai, Zhen, Shaogang Lei, Yibo Zhao, Chuangang Gong, Weizhong Wang, and Changchun Du. "Spatial Distribution and Migration Characteristics of Heavy Metals in Grassland Open-Pit Coal Mine Dump Soil Interface." International Journal of Environmental Research and Public Health 19, no. 8 (2022): 4441. http://dx.doi.org/10.3390/ijerph19084441.

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The open-pit coal mine dump in the study area contains many low-concentration heavy metal pollutants, which may cause pollution to the soil interface. Firstly, statistical analysis and geostatistical spatial interpolation methods described heavy metal pollution’s spatial distribution. The mine dump heavy metal pollution distribution is strongly random due to disorderly piles, but it is closely related to slope soil erosion. Furthermore, the soil deposition area is where pollutants accumulate. For example, all heavy metal elements converge at the bottom of the dump. Usually, the pollution in th

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Živković, Bojana, and Jelena Đokić. "Distribution of heavy metals from tailings ponds and landfills into underground and surface waters." Metallurgical and Materials Engineering 28, no. 4 (2022): 685–96. http://dx.doi.org/10.56801/mme859.

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Heavy metals contaminate underground and surface waters from illegally constructed industrial and municipal landfills. Numerous papers on the subject contain undeniable evidence, and they have determined heavy metal migration into nature by measuring concentrations in underground and surface waters near tailings ponds and landfills. Heavy metal measured values exceed the WHO limit quota. The characteristics of heavy metals and their negative impact on the environment and people's health have prompted a large number of investigations into this global problem. This paper provides an overview of

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Petukhov, A. S., T. A. Kremleva, N. A. Khritokhin, and G. A. Petukhova. "Assessment of the Contribution of Aerotechnogenic Heavy Metal Migration to Urban Environments." Ecology and Industry of Russia 27, no. 6 (2023): 62–66. http://dx.doi.org/10.18412/1816-0395-2023-6-62-66.

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The contribution of aerotechnogenic migration to the accumulation of heavy metals by coltsfoot in the city of Tyumen was studied. Metal content analysis (Cu, Zn, Fe, Mn, Pb, Cd, Ni, Co, Cr) was performed using atomic absorption and atomic emission spectroscopy. The conclusion was made about the metal absorption from the soil by the plant root system and the presence of non-root intake of metals from the atmosphere. The interlinkage of aerotechnogenic migration with the metal volatility and the aerosols stability was revealed.

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Gawdzik, Andrzej, Jarosław Gawdzik, Barbara Gawdzik, and Alicja Gawdzik. "New Indices Determining Heavy Metals Migration in a Sewage Sludge." Ecological Chemistry and Engineering S 22, no. 4 (2015): 637–44. http://dx.doi.org/10.1515/eces-2015-0038.

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Abstract The four step procedure developed by the European Community Bureau of Reference (BCR) is the optimum means of identifying heavy metal fractions in sewage sludge samples. Using the BCR procedure enables to get the date basing on which one can calculate metal stability index which supplies information on the strength of metal bonds with mineral organic soil components. Unfortunately, very popular formulae describing this index do not possess any theoretical justification and do not generate all values in the range of [0; 1]. Hence, in this paper one has presented new formulae describing

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Chen, Xiangmei, Yongqiang Ren, Chi Li, et al. "Study on Factors Influencing the Migration of Heavy Metals from Soil to Vegetables in a Heavy Industry City." Sustainability 16, no. 24 (2024): 11084. https://doi.org/10.3390/su162411084.

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A comprehensive investigation into sustainable agriculture and environmental health was conducted in the Baotou region, encompassing analyses of 90 vegetable samples across 12 varieties and their corresponding rhizosphere soil samples. The physical and chemical properties of the soil, along with the content and chemical speciations of heavy metals, were studied. Results indicated that the study area soil is alkaline to strongly alkaline, with significant heterogeneity in the organic carbon and phosphorus contents, affecting the uptake of heavy metals by these vegetables. The balance of Ca, K,

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Huang, Shuoqi, Zhenqiang Lu, Xiaoxin Zhao, et al. "Molecular Basis of Energy Crops Functioning in Bioremediation of Heavy Metal Pollution." Agriculture 14, no. 6 (2024): 914. http://dx.doi.org/10.3390/agriculture14060914.

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Heavy metal pollution is a gradually growing environmental issue that hinders the growth and development of plants, and also destabilizes soil. Consequently, eco-friendly phytoremediation methods have gained traction, with energy crops emerging as a particularly effective solution. Energy crops not only provide high-quality plant materials for detoxification and remediation of heavy metal pollution, but also possess energy properties conducive to biofuel production. Therefore, this paper delves into the tolerance mechanism of energy crops towards heavy metal toxicity, elucidating processes suc

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Sun, Mu Yun. "Investigation and Analysis on Heavy Metal Pollution Status in a Southern Landfill Site of Dredged Sediment." Advanced Materials Research 1073-1076 (December 2014): 517–21. http://dx.doi.org/10.4028/www.scientific.net/amr.1073-1076.517.

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In order to grasp the distribution and spreading situations of heavy metal pollutants in a southern landfill site of dredged sediment, field investigation and indoor test analysis were conducted for a landfill site of river sediment in Shenzhen City. Drilling exploration and sampling were conducted in the landfill site, and test analysis was carried out for the contents and existing forms of heavy metal in the soil samples. Thus the distribution rule of heavy metal in the backfilled sediment was gained. According to the investigation and analysis results, the heavy metal pollution degree in th

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Kolomiycev, Nikolay, B. Korzhenevsky, Tamara Ilyina, and Gleb Tolkachev. "Heavy metal migration in the sediments of the lake Seliger." Melioration and Water Management 2021, no. 6 (2022): 8–14. http://dx.doi.org/10.32962/0235-2524-2021-6-8-14.

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The Lake Seliger is one of the landscape and climatic gems of the central part of European Russia. Traditionally, this territory has been the object of expansion of both organized and unorganized tourists. Several dozen localities and the city of Ostashkov have contributed and continue to contribute to the creation of a natural and man-made system in the territory under consideration. Although the population and the intensity of industrial production have declined somewhat in recent years, the number of civilian facilities, often located within water protection zones, has increased.&#x0D

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Ai, Guang-Hua, Yan-Fei Liu, Yong Wang, and Yulin Chen. "Migration of Heavy Metal in a Sulfide Ore Tailings Impoundment." Journal of Residuals Science & Technology 12, no. 1 (2015): 17–23. http://dx.doi.org/10.12783/issn.2376-578x/12/1/3.

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Wang, Yuning, Xuntao Zhou, Fanzi Kong, Zheng Qi, and Miao Yu. "Risk evaluation of heavy metal migration behavior during ginseng growth." Industrial Crops and Products 223 (January 2025): 120295. https://doi.org/10.1016/j.indcrop.2024.120295.

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Cooper, Zoë, Robert Bringolf, Robert Cooper, Kathy Loftis, Albert L. Bryan, and James A. Martin. "Heavy metal bioaccumulation in two passerines with differing migration strategies." Science of The Total Environment 592 (August 2017): 25–32. http://dx.doi.org/10.1016/j.scitotenv.2017.03.055.

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Antoniadis, V., and J. D. McKinley. "Measuring heavy metal migration rates in a low-permeability soil." Environmental Chemistry Letters 1, no. 1 (2003): 103–6. http://dx.doi.org/10.1007/s10311-002-0019-y.

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Xu, Zhong Hui, Dong Wei Li, and Xi Peng. "Species Distribution of Heavy Metals in Enhanced Electrokinetic Removal Process." Applied Mechanics and Materials 71-78 (July 2011): 910–13. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.910.

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In this study, in order to evaluate the migration of heavy metals in enhanced electrokinetic removal，visual minteq was adopted to calculate the species distribution of heavy metals in different pH. Most of the heavy metals except arsenic generated the enrichment near the cathode area. Arsenate always existed as anion such as AsO43-、H2AsO4-、HAsO42-. Near the alkaline area ,the main form of heavy metals were alkali metal hydroxides and seriously restricted the migration and removal of heavy metals. The addition of potassium tetroxalate did not change the species distribution of heavy metals obvi

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Guo, Zhaolai, Yuhan Gao, Xinqi Yuan, et al. "Effects of Heavy Metals on Stomata in Plants: A Review." International Journal of Molecular Sciences 24, no. 11 (2023): 9302. http://dx.doi.org/10.3390/ijms24119302.

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Stomata are one of the important structures for plants to alleviate metal stress and improve plant resistance. Therefore, a study on the effects and mechanisms of heavy metal toxicity to stomata is indispensable in clarifying the adaptation mechanism of plants to heavy metals. With the rapid pace of industrialization and urbanization, heavy metal pollution has been an environmental issue of global concern. Stomata, a special physiological structure of plants, play an important role in maintaining plant physiological and ecological functions. Recent studies have shown that heavy metals can affe

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Omoboriowo Adedayo Oluwatoyin. "Assessment of heavy metals contamination in soil due to leachate migration from open dumpsites in agbor area, delta state. Nigeria." Pacific International Journal 1, no. 4 (2018): 199–204. http://dx.doi.org/10.55014/pij.v1i4.76.

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   The concentration of heavy metals was studied in the soil samples collected around the municipal solid waste (MSW) open dumpsites in Agbor Area, to understand the heavy metal contamination due to leachate migration from the open dumping sites. The dumpsites receive approximately 300-400 tonnes of municipal solid waste. Solid waste characterization was carried out for the municipal solid waste to know the basic composition of solid waste which is dumped in the dumping site. The heavy metals concentration in the soil samples was analyzed. The heavy metal concentration in the

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Qian, Xiaoyan. "Review on the Influence of Humic Acid on the Migration of Ferrihydrite Nanoparticles and Their Arsenic Adsorption." Scientific and Social Research 7, no. 6 (2025): 54–61. https://doi.org/10.26689/ssr.v7i6.11076.

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With the accelerated development of industrialization and urbanization, environmental pollution problems have become increasingly severe. In particular, heavy metal pollution has become a global hotspot. As a common iron oxide nanoparticle in soil, ferrihydrite has a significant impact on the adsorption and migration behavior of heavy metals. Humic acid is the main component of soil organic matter; its interaction mechanism with ferrihydrite nanoparticles and its influence on heavy metal adsorption remain incompletely understood. This article reviews the interaction mechanism between humic aci

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Musoke, L., N. Banadda, C. Sempala, and J. Kigozi. "The Migration of Chemical Contaminants from Polyethylene Bags into Food During Cooking." Open Food Science Journal 9, no. 1 (2015): 14–18. http://dx.doi.org/10.2174/1874256401509010014.

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Cooking food in polyethylene bags has of late substituted banana leaves in Uganda. However, such a practice is risky as chemical contaminants may migrate from polyethylene bags into food during cooking causing health complications. Therefore, this study was done to identify and quantify the levels of chemical contaminants (heavy metals) in black and green polyethylene bags. Polyethylene bags were ashed and digested with acid and heavy metal concentrations determined using an AAS. Samples analyzed contained heavy metals with concentrations ranging between; 1125 - 1725, 76 - 112, 35 - 52, 18 - 3

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Terbeche, Ryme, Gharbi Samia, Fouzia Rahli, et al. "Heavy metals and aluminium intake from stored canned tomato, sardines and tuna in Algeria." Journal of Applied and Natural Science 14, no. 2 (2022): 631–39. http://dx.doi.org/10.31018/jans.v14i2.3435.

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This study assessed heavy metals intake and their impacts on healthcare in Algeria. Peculiar attention was given to heavy metals found in largely consumed canned foods in Algeria such as double concentrated tomato, tuna crumbs and sardines. Chemical analyses of the metal and aluminium containers (foil, tray) were performed by X-Ray Fluorescence (XRF) and EDS spectrometry (Energy Dispersive Spectrometry). The determination of the trace metal content in canned food (element metal trace EMT) was achieved by Atomic Absorption Spectrometry (AAS). The approach proposed in this study aimed to highlig

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Zhang, Wenjie, Fengyong Jiang, and Wenjing Sun. "Investigating colloid-associated transport of cadmium and lead in a clayey soil under preferential flow conditions." Water Science and Technology 84, no. 9 (2021): 2486–98. http://dx.doi.org/10.2166/wst.2021.441.

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Abstract Colloids have a high adsorption capacity and can be mobile under preferential flow, and so may facilitate heavy metal migration. Heavy metal migration with soil colloids in a clayey soil under preferential flow conditions was investigated through experiments. Adsorption tests were carried out to determine the adsorption of Cd2+ and Pb2+ to the clay and colloids. The preferential flow characteristics in the soil column were investigated by dye tracing tests. The mobility of soil colloids in the soil column was studied by breakthrough tests. Leaching tests of cadmium and lead with and w

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Zhang, Wenjie, Fengyong Jiang, and Wenjing Sun. "Investigating colloid-associated transport of cadmium and lead in a clayey soil under preferential flow conditions." Water Science and Technology 84, no. 9 (2021): 2486–98. http://dx.doi.org/10.2166/wst.2021.441.

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Abstract Colloids have a high adsorption capacity and can be mobile under preferential flow, and so may facilitate heavy metal migration. Heavy metal migration with soil colloids in a clayey soil under preferential flow conditions was investigated through experiments. Adsorption tests were carried out to determine the adsorption of Cd2+ and Pb2+ to the clay and colloids. The preferential flow characteristics in the soil column were investigated by dye tracing tests. The mobility of soil colloids in the soil column was studied by breakthrough tests. Leaching tests of cadmium and lead with and w

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Wang, Jieni, Shuqin Zhang, Chenlin Wei, et al. "Hydrothermal Carbonization of Heavy Metal-Contaminated Biomass: Migration, Transformation, and Ecological Stability Changes of Metals." International Journal of Molecular Sciences 26, no. 6 (2025): 2551. https://doi.org/10.3390/ijms26062551.

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Developing effective treatment technologies for heavy metal-contaminated biomass is of great environmental significance. This study explores the hydrothermal carbonization (HTC) of biomass contaminated with heavy metals (Cu, Zn, Cd, and Pb), focusing on the migration, transformation, and ecological stability of these metals during the process. Biomass samples were treated under subcritical conditions at varying temperatures (170–260 °C) and reaction times (1–4 h). Results showed that heavy metals were mainly enriched in biochar (>98%), and Cu predominantly transformed into metallic copper (

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Hu, Ri Cha, and Li Bo Sun. "Migration Patterns of Heavy Metals in Soil in Wastewater Irrigation Area in the Suburb of Eastern Inner Mongolia." Advanced Materials Research 343-344 (September 2011): 340–43. http://dx.doi.org/10.4028/www.scientific.net/amr.343-344.340.

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Based on the soil test of heavy metals in wastewater irrigation area in eastern Inner Mongolia, this paper analyses the content of heavy metals Cr, Cu, Cd, Pb in different layers of soil samples and reveals the internal relations between heavy metal concentration gradient in the vertical direction and soil properties, thus providing a scientific basis to guide sewage irrigation, solve the problem of water shortage in wastewater irrigation area and carry out environmental impact assessment. Soil is an important subsystem in natural environmental systems, through which many pollutants, especiall

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He, Sijie, Yang Li, Liang Tang, et al. "Migration and Accumulation Mechanisms of Heavy Metals in Soil from Maoniuping Rare Earth Elements Mining, Southwest China." Land 14, no. 3 (2025): 611. https://doi.org/10.3390/land14030611.

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The Maoniuping Rare Earth Elements (REE) deposit, the second largest light REE deposit in the world, has been mined for decades, with serious impacts on the surrounding environment. However, the impact of mining on heavy metals in the downstream area (Nanhe River Basin) has not been systematically documented. To address this issue, this study explored the extent, transport, and accumulation of heavy metal contamination in the Nanhe River Basin through field surveys (2946 topsoil samples and four vertical soil sections) and regional geographic attributes (e.g., mining area, river, and elevation

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李, 宁. "Study on the Model of Heavy Metal Migration in Mining Soil." Advances in Environmental Protection 07, no. 02 (2017): 104–9. http://dx.doi.org/10.12677/aep.2017.72015.

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Liu, Chuan, Xiaoye Ma, Xu Huang, Mingxuan Cai, and Liang Hei. "Research progress on migration and transformation model of heavy metal pollutants." IOP Conference Series: Earth and Environmental Science 467 (April 9, 2020): 012157. http://dx.doi.org/10.1088/1755-1315/467/1/012157.

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Yang, Jin-Xiang, Ming-Xu Zhang, Xiao-Long Li, Liang-Min Gao, and Duo-Xi Yao. "Migration law of heavy metal cadmium in soil-root interface systems." Journal of Coal Science and Engineering (China) 19, no. 2 (2013): 243–48. http://dx.doi.org/10.1007/s12404-013-0221-5.

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Maskall, John, Keith Whitehead, and Iain Thornton. "Heavy metal migration in soils and rocks at historical smelting sites." Environmental Geochemistry and Health 17, no. 3 (1995): 127–38. http://dx.doi.org/10.1007/bf00126081.

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