Characteristics, Sources and Health Risk of Heavy Metals in Road Dust in the Typical County Town, Central China

Chen, Wenmin; Zhang, Xihao; Zhang, Jiaquan; Duan, Ning; Gong, X. G.; Liu, Shan; Zhan, Chuanlang; Chen, Wei; Xing, Xinli

doi:10.3390/app122412958

Cited by 3 publications

(2 citation statements)

References 77 publications

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“…The children group was exposed to more road dust PTEs than adults through each of the three considered pathways (Figure 10). This result is similar to other study areas (e.g., [82,[104][105][106][107]). As children in warm climate countries tend to spend a larger part of their daily lives outdoors and tend to have higher hand-to-mouth interaction during playtime [108], they are much more susceptible to PTEs health risk.…”

Section: Road Dust Pollution Evaluation and Health Risk Assessment Sh...supporting

confidence: 90%

Effects of Road Dust Particle Size on Mineralogy, Chemical Bulk Content, Pollution and Health Risk Analyses

Navarro-Ciurana,

Corbella,

Meroño

2023

IJERPH

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Because of the rising environmental and health concerns associated with atmospheric pollution caused by potentially toxic elements (PTEs), several road dust studies have been performed across the world in recent decades. This paper illustrates the effects of particle size on the PTE contents, mineralogical composition, environmental pollution and health risk assessments in road dust from Barcelona (Spain). The samples were sieved into five size fractions ranging from <45 to 500–800 µm. Although the major mineral contents (tectosilicates, phyllosilicates, and carbonates) were profuse in all fractions, the identified inhalable PTE particles (e.g., Fe, Cr, Cu, Zn, Ni, and REE), with size < 10 µm, were more pervasive in the finest fraction (<45 μm). This is consistent with the concentrations measured: the finest fractions were richer in PTEs than the coarser ones, resulting in a direct correlation with the enrichment factor (EFx), geo-accumulation (Igeo), and non-carcinogenic (HI) and carcinogenic (CRI) values. Igeo and EFx values can be appropriate tracers for some common elements (e.g., Zn, Sb, Sn, Cu, and Cr), but they do not seem adequate for anthropogenic particles accumulated at concentrations similar to the geogenic background. Overall, the HI and CRI values obtained in Barcelona were acceptable, reflecting no serious health impacts in the study area, except for Cr. Our results suggest that fine dust particles are a more suitable fraction to conduct pollution and health risk assessments than coarser ones, although the EFx, Igeo, HI, and CRI threshold values should be redefined in the future to include all emergent pollutants as well. In summary, monitoring programs should include at least the road dust evaluation of <45 µm particles, which can be performed with a simple sieving method, which is both time- and cost-effective.

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Section: Road Dust Pollution Evaluation and Health Risk Assessment Sh...supporting

confidence: 90%

Effects of Road Dust Particle Size on Mineralogy, Chemical Bulk Content, Pollution and Health Risk Analyses

Navarro-Ciurana,

Corbella,

Meroño

2023

IJERPH

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“…The highest concentrations of toxic metals in river and lake water are found in Africa, Asia, and South America. Previous research shows that the toxic metals most prevalent in surface waters are Cd, Cr, and Pb [3][4][5][6][7][8]38,52].…”

Section: Introductionmentioning

confidence: 99%

Bioremediation of Wastewater Enriched with Cd, Cr and Pb Using Floating Macrophytes

Hernández-Vasquez

García

Prieto

et al. 2023

JEAI

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This study aimed to explore the effectiveness potential of Eichhornia crassipes, Pistia stratiotes and Salvinia molesta for the reduction of potentially toxic metals from effluents enriched with Cd, Cr and Pb. Based on a 21-day laboratory-scale experiment, a total of three concentrations at 1, 5 and 10 mg/L were selected to culture each of the macrophytes. In addition, kinetics and prediction models were used to analyze the metal reduction data to understand the behavior and removal rate of each species and with the Taguchi methodology to see what the right conditions for greater efficiency are. The results suggested that the three macrophytes was able to reduce metals Eichhornia crassipes manages to reduce 90.8-99.99% Cd, 90.8-99.9% Cr and 89.6-99.9% Pb, for Pistia stratiotes 74.6-99.9% Cd, 74.6-99.9% Cr and 91.2-99.9% Pb and Salvinia molesta 83.2-99.9% Cd, 62.2-99.9% Cr and 89.2-99% Pb. The first-order model it is adjusted appropriately to the removal of toxic metals for the three plants, having an adjustment of R2 greater than 0.80. Taguchi analysis shows that optimal conditions for metal phytoremediation occur with 1 mg/L of toxic metals and after 21 days.

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Investigation of Heavy Metals Pollution and Their Removal Methods: A Review

Sheydaei

2024

Geomicrobiology Journal

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Characteristics, Sources and Health Risk of Heavy Metals in Road Dust in the Typical County Town, Central China

Cited by 3 publications

References 77 publications

Effects of Road Dust Particle Size on Mineralogy, Chemical Bulk Content, Pollution and Health Risk Analyses

Effects of Road Dust Particle Size on Mineralogy, Chemical Bulk Content, Pollution and Health Risk Analyses

Bioremediation of Wastewater Enriched with Cd, Cr and Pb Using Floating Macrophytes

Investigation of Heavy Metals Pollution and Their Removal Methods: A Review

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