Changes in Cd and Zn distribution in sediments after closure of an electroplating industry, Sepetiba bay, Brazil

Rodrigues, Sarah Karoline; Machado, Wilson; Guerra, Josefa Varela; Geraldes, Mauro César; Morales, Shéron Joyce Díaz; Vinzón, Susana B.

doi:10.1016/j.marpolbul.2020.111758

Cited by 19 publications

(7 citation statements)

References 21 publications

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“…Aggregation of metal precipitates also has long term environmental impacts. Treated water also has a very high pH (10)(11)(12), so it cannot be further used in industrial process and requires treatment. Regarding the CaCO 3 adsorption process, the results presented in Table 9 indicate that the removal of Ni ions is not as efficient as for Cu and Zn ions.…”

Section: Comparison With Chemical Precipitation and Adsorption Processesmentioning

confidence: 99%

“…In drinking water, the maximum allowable limit for nickel is 0.1 ppm [8]. Zinc (Zn) is used in many types of industry, such as metal production, galvanization, food preservation, agri-food and biological engineering, pharmaceuticals, electronics, mining and metallurgy, with major contributions coming from electroplating and mining effluents [9,10]. Zinc is not considered highly toxic but its presence in drinking water if exceeding 15 mg/L is reported to cause nausea, vomiting and diarrhea [11].…”

Section: Introductionmentioning

confidence: 99%

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Removal of Copper, Nickel, and Zinc Ions from an Aqueous Solution through Electrochemical and Nanofiltration Membrane Processes

2021

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Heavy metal contamination in water is a major health concern, directly related to rapid growth in industrialization, urbanization, and modernization in agriculture. Keeping this in view, the present study has attempted to develop models for the process optimization of nanofiltration (NF) membrane and electrocoagulation (EC) processes for the removal of copper, nickel, and zinc from an aqueous solution, employing the response surface methodology (RSM). The variable factors were feed concentration, temperature, pH, and pressure for the NF membrane process; and time, solution pH, feed concentration, and current for the EC process, respectively. The central composite design (CCD), the most commonly used fractional factorial design, was employed to plan the experiments. RSM models were statistically analyzed using analysis of variance (ANOVA). For the NF membrane, the rejection of Zn, Ni, and Cu was observed as 98.64%, 90.54%, and 99.79% respectively; while the removal of these through the EC process was observed as 99.81%, 99.99%, and 99.98%, respectively. The above findings and a comparison with the conventional precipitation and adsorption processes apparently indicate an advantage in employing the NF and EC processes. Further, between the two, the EC process emerged as more efficient than the NF process for the removal of the studied metals.

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Section: Comparison With Chemical Precipitation and Adsorption Processesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Removal of Copper, Nickel, and Zinc Ions from an Aqueous Solution through Electrochemical and Nanofiltration Membrane Processes

2021

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“…The development of metallurgy, as well as the electroplating and chemical industries, has seen an increase in the release of cadmium into the environment, leading to Cd pollution ( Rodrigues et al, 2020 ; Geng et al, 2022 ). Cd and its compounds enter the human body mainly through air, food, smoking, and drinking ( II’yasova and Schwartz, 2005 ; Rinaldi et al, 2017 ).…”

Section: Introductionmentioning

confidence: 99%

Masson pine pollen aqueous extract ameliorates cadmium-induced kidney damage in rats

Hu,

Chen,

Shi

et al. 2023

Front. Mol. Biosci.

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Introduction: Cadmium (Cd) is a hazardous environmental pollutant present in soil, water, and food. Accumulation of Cd in organisms can cause systematic injury and damage to the kidney. The Masson pine pollen aqueous extract (MPPAE) has attracted increasing attention due to its antioxidant activity and ability to enhance immunity.Methods: In this study, we investigated the potential of MPPAE to protect against Cd-induced kidney damage in rats and the underlying mechanism. The transcriptome and metabolome of rats with Cd-induced kidney damage, following treatment with MPPAE, were explored.Results: The concentrations of superoxide dismutase (SOD) and malondialdehyde (MDA) were both significantly altered after treatment with MPPAE. Furthermore, sequencing and analysis of the transcriptome and metabolome of rats with Cd-induced kidney damage, following treatment with MPPAE, revealed differential expression of numerous genes and metabolites compared with the untreated control rats. These differentially expressed genes (DEGs) included detoxification-related genes such as cytochrome P450 and the transporter. The differentially expressed metabolites (DEMs) included 4-hydroxybenzoic acid, L-ascorbate, and ciliatine. Conjoint transcriptome and metabolome analysis showed that several DEGs were correlated with DEMs.Conclusion: These preliminary findings indicate the potential of MPPAE for the treatment of toxic metal poisoning.

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“…High concentrations of heavy metals were responsible for the 60% reduction in fish population (Kato and Quintela, 2012). Metal contamination is, in fact, one of the main environmental legacies generated by the industrial and urban development of the region (Pellegatti et al, 2001;Rodrigues et al, 2020;Souza et al, 2021). The industrial complex and Companhia Ingá Mercantil (CIA Ingá; a zinc ore processing plant) are considered as the main source of heavy metal discharge into the SB (Lacerda et al, 1987;Molisani et al, 2004;Paraquetti et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

Unraveling Anthropocene Paleoenvironmental Conditions Combining Sediment and Foraminiferal Data: Proof-of-Concept in the Sepetiba Bay (SE, Brazil)

et al. 2022

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The Sepetiba Bay (SB), located in the state of Rio de Janeiro (SE Brazil), is a transitional ecosystem highly anthropized. Because of its great environmental, economic, and social importance, the SB has been the target of several studies to investigate the sources of pollution and their environmental impact. However, studies on the response of foraminifera to pollution are rare. This study applies for the first time in the SB the Ecological Quality Ratio (EQR) based on the biotic index exp(H’bc), related to foraminiferal diversity, coupled with granulometric, mineralogical, and geochemical data and a robust age model (based on 210Pb and 137Cs activity). This study aims to evaluate the paleo-ecological quality status (PaleoEcoQS) along core SP5, collected in the inner central region of the SB. In the sedimentary record of the first half of the 20th century, no foraminifera were found, and the moderate enrichment in lithogenic elements was probably related not only to weathering and erosion of rocks but also to mining activities in the region. From the second half of the 20th century, the study area was under higher marine influence. Progressive siltation took place because of anthropogenic interventions in river courses, eutrophication, and metal pollution. Weak hydrodynamic conditions favored the accumulation of fine-grained sediments and organic matters. In the same period, low diversified benthic foraminiferal assemblages, including mainly opportunist species, were developed. Paleo-ecological conditions inferred by the biotic index exp(H’bc) were poor around 1970 and worsened after the metal spill released by Companhia Ingá Mercantil (a zinc ore processing plant). After that, progressively recovery has led to good ecological conditions in 2015. This study shows how benthic foraminiferal methods could represent a very useful tool to track changes in the evaluation of PaleoEcoQS.

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Changes in Cd and Zn distribution in sediments after closure of an electroplating industry, Sepetiba bay, Brazil

Cited by 19 publications

References 21 publications

Removal of Copper, Nickel, and Zinc Ions from an Aqueous Solution through Electrochemical and Nanofiltration Membrane Processes

Removal of Copper, Nickel, and Zinc Ions from an Aqueous Solution through Electrochemical and Nanofiltration Membrane Processes

Masson pine pollen aqueous extract ameliorates cadmium-induced kidney damage in rats

Unraveling Anthropocene Paleoenvironmental Conditions Combining Sediment and Foraminiferal Data: Proof-of-Concept in the Sepetiba Bay (SE, Brazil)

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