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    Wyświetlanie 1-9 z 9
    Tytuł:
    Assessment of Heavy Metals Contamination in Spoil Heaps of Ain Aouda Mine (Taza, Morocco)
    Autorzy:
    Assabar, Narmine
    Lahmidi, Ikram
    Jabrane, Raouf
    Powiązania:
    https://bibliotekanauki.pl/articles/24201747.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    heavy metals
    pollution index
    Ain Aouda mine
    geoaccumulation index
    enrichment factor
    Opis:
    The purpose of this study is to evaluate the level of heavy metal contamination in the spoil heaps of the former Ain Aouda mine (Taza). In this regard, solid samples of the study area were sampled. The set of analyses carried out have detected the presence of zinc (Zn), lead (Pb), copper (Cu), arsenic (As) and nickel (Ni) that remain in these metal discharges. The calculation of contamination/pollution indices: the Geo Accumulation Index (Igeo), the Enrichment Factor (EF) and the Pollution Index (IP) were used to predict the extent of heavy metal contamination. The results of this study suggest that the spoil heaps reveal polymetallic contaminations allowing the trace metal elements to be classified in the following order Zn ˃ Pb ˃ As ˃ Cu > Ni. Knowing well that the alteration and erosion of this stock of mine waste could contribute to the degradation of the natural environment by these elements that are present.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 3; 224--231
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heavy Metals Analysis and Quality Evaluation in Drinking Groundwater around an Abandoned Mine Area of Ouichane (Nador’s Province, Morocco)
    Autorzy:
    Moubchir, Tarik
    Eloutassi, Noureddine
    Bendaoud, Ahmed
    Belkhiri, Abdelkhalek
    Maai, Mohamed
    Moubchir, Majida
    Zahir, Ilham
    Powiązania:
    https://bibliotekanauki.pl/articles/24201772.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    contamination
    pollution index
    heavy metals
    water quality
    mining site
    Ouichane region
    Opis:
    The eventual polluting of the Ouichane region’s groundwater by heavy metals around an abandoned iron mine was investigated. To reach this aim, the research began with a questionnaire survey to assess local people’s use of and appreciation for well and spring water, followed by measurement of spatial pollution load of heavy metals: Al, Ag, Fe, Cd, As, Cr, Co, Zn, Pb and Cu for water samples collected from twelve wells and three spring drinks of water using inductively coupled plasma-atomic emission spectrometry method (ICP). Determining the overall quality of spring and well water for human use was also performed by calculating the heavy metal pollution index (HPI). As result, the survey revealed that 44.90% of the households are not connected to the drinking water network, 97.3% of them use well water, which is highly appreciated, and 88.1% of the population consider its quality to be good to excellent. Meanwhile, the ICP analysis showed that all the water samples contain heavy metals. In fact, the maximum concentrations (expressed in 10-5 g/l) recorded per element were 9.7 for (Ag), 15 for (Al), 6.9 for (As), 4.5 for (Cd), 5.6 for (Co), 31 for (Cr), 14 for (Cu), 858 for (Fe), 7 for (Pb) and 2.9*10-5 g/l for (Zn). Moreover, most of the water samples recorded heavy metal values above World Health Organization (WHO) limits, for at least one metal among the ten tested, with high concentrations of iron observed in all samples. The HPI values for the three explored sources (S1, S2 and S3) and for 8 out of 12 wells (P3, P4, P5, P6, P7, P8, P9 and P10) exceed the critical pollution value and identify non-potable water with a high potential of contamination. Consequently, the results of this study raise the question about groundwater around this abandoned mining area, especially in the long term, the use of groundwater could increase because of the succession of years of drought on Moroccan territory and hence may constitute a significant health risk for most of the inhabitants.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 5; 118--127
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ecological Risk Assessment for Occurrence of Toxic Elements in Various Land Use Types in Vietnamese Mekong Delta Province
    Autorzy:
    Nhien, Huynh Thi Hong
    Mi, Le Thi Diem
    Giao, Nguyen Thanh
    Powiązania:
    https://bibliotekanauki.pl/articles/2173267.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    An Giang
    ecological risk
    heavy metals
    land use type
    pollution index
    Opis:
    A total of 316 soil samples in the An Giang province were collected from the industrial zone (48 samples), mining (40 samples), farming (112 samples), landfills (88 samples) and cemeteries (28 a samples) to analyze toxic elements, including Cu, Zn, Pb, Cd and As. The geoaccumulation index (Igeo), pollutant load index (PLI) and potential ecological risk index (RI) were used to assess pollution levels and ecological risks. The results showed that the concentrations of heavy metals were almost still within the allowable limits of national standards. Cd was not detected. Heavy metals were detected in the soil in the following order: As < Pb < Cu < Zn, mining < industrial < landfill < cultivation < cemetery areas. The heavy metals contributing to soil environmental variability were similarly identified in the cemetery with industry and landfill with farming. The value of Igeo shows that As has a high potential to accumulate in soil in all land uses. The ranges of PLI values presented that the soil in industrial, farming, mining and landfills areas were classified moderate, while the cemetery areas has been rated at a high level. The RI values identified very high, high, and moderate ecological risks for cemetery, industrial and farming land and landfill, mining, respectively. The combination of PLI and RI indices showed that the cemetery areas were at the highest levels of pollution and risk. The results of this study provide scientific information on pollution level and ecological risks in various land use types supporting environmental zoning and managing strategies in the An Giang province.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 7; 121--130
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena zanieczyszczenia osadów antropogenicznych zbiorników wodnych w centralnej części Wyżyny Katowickiej
    Assessment of sediment pollution of anthropogenic water reservoirs in the central part of the Katowice Upland (southern Poland)
    Autorzy:
    Pasieczna, A.
    Bojakowska, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2075466.pdf
    Data publikacji:
    2016
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    zanieczyszczenie osadów
    osady antropogeniczne
    zbiorniki wodne
    metale ciężkie
    bioakumulacja
    Katowice
    sediment pollution
    anthropogenic reservoir
    water reservoirs
    heavy metals
    index of geoaccumulation
    Katowice Upland
    Opis:
    The paper deals with sediments of anthropogenic reservoirs from the central part of the Katowice Upland. Over most of the area, the original relief was considerably altered due to many-years’ mining of hard coal, historical mining and processing of zinc-lead ores, smelting of iron and non-ferrous metals, and chemical and machinery industries. The changes in land surface give rise to mining collapse areas transformed to water reservoirs. Sediment samples (103 samples in total) were collected form artificial lakes, ponds and settling ponds. Samples were air-dried, sieved through a 0.2-mm nylon sieve and digested in aqua regia. Contents ofAg, Al, As, Ba, Ca, Cd, Co, Cr, Cu, Fe, Mg, Mn, Mo, Ni, P Pb, S, Sn, Sr, Ti, Vand Zn in the samples were determined by the ICP-OES method. Mercury content was measured using the CV-AAS method. To assess the extent of sediment contamination the Index of Geoaccumulation (Igeo) and the ecotoxicological (Threshold Effect Concentration and Probable Effect Concentration) criterion were used. The sediments show very different chemical compositions. The content of trace elements varies from values lower than the regional geochemical background of the Silesian-Cracow region to extremely high concentrations. Distribution of many toxic chemical elements is characterized by high spatial variability and a strong dependence on the location of pollution sources. About 60% of analysed samples were heavily contaminated due to the very high concentration of cadmium (up to 905.9 mg/kg), lead (up to 25,081 mg/kg) and zinc (up to 45,361 mg/kg) as well as arsenic (up to 2,220 mg/kg), chromium (up to 901 mg/kg) and mercury (up to 11.80 mg/kg). Due to the concentration of metals (TEC and PEC values) almost 80% of the sediments can be harmful to aquatic organisms, as well as to wild animals that consume them. The main cause of harm is the very high concentrations of cadmium, lead and zinc, less of silver, arsenic, chromium, copper and nickel.
    Źródło:
    Przegląd Geologiczny; 2016, 64, 10; 806--813
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of groundwater in aluminium slag disposal area
    Autorzy:
    Putranto, Thomas Triadi
    Febriane, Wenny
    Powiązania:
    https://bibliotekanauki.pl/articles/27312652.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    aluminium slag waste
    geospatial analysis
    heavy metals pollution index
    multivariate analysis
    water quality index
    Opis:
    Aluminium slag waste is a residue from aluminium recycling activities, classified as hazardous waste so its disposal into the environment without processing can cause environmental problems, including groundwater pollution. There are 90 illegal dumping areas for aluminium slag waste spread in the Sumobito District, Jombang Regency. This study aims to evaluate the quality of shallow groundwater surrounding aluminium slag disposal in the Sumobito District for drinking water. The methods applied an integrated water quality index (WQI) and heavy metal pollution index (HPI), multivariate analysis (principal component analysis (PCA) and hierarchical clustering analysis (HCA)), and geospatial analysis for assessing groundwater quality. The field campaign conducted 40 groundwater samples of the dug wells for measuring the groundwater level and 30 of them were analysed for the chemical contents. The results showed that some locations exceeded the quality standards for total dissolved solids (TDS), electrical conductivity (EC), and Al2+ . The WQI shows that 7% of dug well samples are in poor drinking water condition, 73% are in good condition, and 20% are in excellent condition. The level of heavy metal contamination based on HPI is below the standard limit, but 13.3% of the water samples are classified as high contamination. The multivariate analysis shows that anthropogenic factors and natural sources/geogenic factors contributed to shallow groundwater quality in the study area. The geospatial map shows that the distribution of poor groundwater quality is in the northern area, following the direction of groundwater flow, and is a downstream area of aluminium slag waste contaminants.
    Źródło:
    Journal of Water and Land Development; 2023, 57; 78--90
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Actual Status Assessment and Prediction of the Musi River Water Quality, Palembang, South Sumatra, Indonesia
    Autorzy:
    Rahutami, Syntia
    Said, Muhammad
    Ibrahim, Eddy
    Herpandi
    Powiązania:
    https://bibliotekanauki.pl/articles/2202153.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    heavy metals
    pollution index
    quality status
    water pollution
    sedimentation
    Opis:
    Water pollution in rivers is still a crucial problem for the countries that use river water as the primary water source. This study aimed to determine the water quality of the Musi river and the content of heavy metals in water, sediment and mussels as well as to predict the water quality of the Musi river in the next five years. The water samples were taken from 18 stations (sampling points) from upstream to downstream to be checked physically, chemically and biologically. Prediction of the river water quality was made using the QUAL2Kw software. The research results show that the Musi River water is categorized as lightly polluted with concentrations of TSS and DO that have passed the threshold. The heavy metals in river water, such as Pb and Cr have also passed the quality standard. The Fe, Mn, and Zn concentrations are pretty high in the sediment. In turn, in mussels, the metals measured were Fe, Cu, and Zn. The prediction results reveal that several values of the river quality parameters will pass the threshold value with the same pattern tendency from each station.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 10; 68--79
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of Selected Heavy Metals Content in Soil of Agricultural Activity
    Ocena zawartości wybranych metali ciężkich na przykładzie gleb użytkowanych rolniczo
    Autorzy:
    Świdwa-Urbańska, Joanna
    Zalewski, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/386140.pdf
    Data publikacji:
    2019
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    metale ciężkie
    indeks PLI
    obszary użytkowane rolniczo
    heavy metals
    pollution load index
    agricultural soils
    Opis:
    W pracy przedstawiono badania gleb reprezentatywnego obszaru użytkowanego rolniczo w celu oceny poziomu toksycznych metali ciężkich, które mogłyby przedostać się do upraw. Może to stanowić pierwszy krok do określenia możliwości dalszego wykorzystania gleb, zwłaszcza na obszarach, na których widoczny jest silny postęp industrializacyjny. W celu scharakteryzowania stanu gleby na dwóch głębokościach analizowano strukturę gleby, pH, gęstość objętościową oraz całkowitą zawartość ołowiu (Pb), kadmu (Cd) i niklu (Ni): TOP (próbka 0–30 cm) i BOTTOM (próbka 30–60 cm). Schemat pobierania próbek był oparty na kwadratowej siatce z 16 punktami rozmieszczonymi regularnie. Wartości stężenia metali ciężkich były poniżej prawnych limitów, ale wyższe niż regionalny poziom tła geochemicznego, co sugeruje ich pochodzenie antropogeniczne. Indeks PLI został wdrożony jako narzędzie do obliczania ogólnego stanu zanieczyszczenia metalami ciężkimi. Analiza geostatystyczna danych pokazuje zmienność przestrzenną w szczegółowej skali, zarówno w wymiarze poziomym, jak i pionowym, przy czym poziom TOP gleby wykazuje wyższe średnie stężenia Pb i Cd.
    A representative sample of agricultural soil was studied for assessing the level of toxic heavy metals that could be passed on to crops; this can be the first step towards determining the possibility of its further use, especially in areas where strong industrialization progress is visible. The soil texture, pH, and bulk density along with the total amount of lead (Pb), cadmium (Cd), and nickel (Ni) were analyzed for characterizing the status of the soil at two depths: TOP (a composite sample from 0–30 cm deep) and BOTTOM (a composite sample from 30–60 cm deep). The sampling scheme was a square grid with 16 regularly spaced points. The heavy metals concentration values were below legal limits but higher than the regional geochemical background level, suggesting an anthropogenic origin. The pollution load index (PLI) was implemented as a tool for computing the generalized heavy metal pollution status. A geostatistical analysis of the data shows a spatial variation on a detailed scale, both in the horizontal and vertical dimensions, with the TOP soil showing higher average Pb and Cd concentrations.
    Źródło:
    Geomatics and Environmental Engineering; 2019, 13, 3; 103-113
    1898-1135
    Pojawia się w:
    Geomatics and Environmental Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessing Heavy Metal Contamination in Marine Sediments Around the Coastal Waters of Mimika Regency, Indonesia
    Autorzy:
    Tanjung, Rosye Hefmi Rechnelty
    Hamuna, Baigo
    Yonas, Marcelino Novryanto
    Powiązania:
    https://bibliotekanauki.pl/articles/123537.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    marine sediments
    heavy metals
    contamination assessment
    pollution load index
    ecological risk
    Mimika waters
    Opis:
    The heavy metal contamination has become a serious problem in the aquatic environment, including marine sediments. This study was aimed at analyzing the content of heavy metals in marine sediments, then assessing and evaluating the level of heavy metal contamination and its ecological risks. The sediment samples were taken using a grab sampler at six sites in the coastal waters of Mimika Regency, Indonesia. The TCLP testing method was used to determine the content of heavy metals in marine sediments. The results showed that the concentrations of Pb, Cu, Cd, and Hg in marine sediments ranged from <0.25 to 0.59 ppm, <0.02 to 0.54 ppm, <0.005 to 0.03 ppm, and < 0.0007 ppm. Only the concentrations of Cu on the Meoga and Puriri sites exceeded the quality standard in the Government Regulation of the Republic of Indonesia No. 18 year 1999. The results of the assessment of heavy metal contamination and its ecological risk potential indicate that the coastal waters of Mimika Regency are included in the category of low contamination and low ecological risks. The concentration of heavy metals in this study shows that the coastal waters of Mimika Regency are not contaminated by Pb, Cu, Cd, and Hg heavy metals.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 11; 35-42
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Human Health Risk Assessment of Heavy Metals Bound on Particulate Matter
    Ocena ryzyka dla zdrowia ludzkiego w odniesieniu do metali ciężkich związanych z materią cząstek stałych
    Autorzy:
    Zmijkova, D.
    Koliba, M.
    Raclavsky, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/318520.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Przeróbki Kopalin
    Tematy:
    zanieczyszczenie powietrza
    pył zawieszony PM10
    metale ciężkie
    wielkość zagrożenia
    indeks zagrożeń
    air pollution
    particulate matter PM10
    heavy metals
    hazard quotient
    hazard index
    cancer risk
    pollution load index
    Opis:
    The samples of particulate matter (PM10) were collected at five sampling sites of various character situated in the Moravian-Silesian Region (Czech Republic). Concentrations of heavy metals bound to particulate matter were determined by the method of ICP – optical emission spectroscopy. The contamination of heavy metals was expressed as the pollution load index – PLI. Human health risk assessment was performed by U.S. EPA method – using the hazard quotient – HQ, hazard index – HI, and excess lifetime cancer risk – ELCR. The pollution and resulting carcinogenic risks increase during the winter season. The potential non-carcinogenic risks are not significant.
    Próbki pyłu zawieszonego (PM10) zebrano w pięciu miejscach o różnym charakterze w regionie Morawskośląskim (Republika Czeska). Stężenie metali ciężkich związanych z cząstkami stałymi oznaczano metodą ICP - optycznej spektroskopii emisyjnej. Zanieczyszczenie metalami ciężkimi zostało wyrażone jako wskaźnik obciążenia zanieczyszczeniem - PLI. Ocenę ryzyka dla zdrowia ludzkiego przeprowadzono metodą US EPA - z wykorzystaniem ilorazu zagrożenia - HQ, wskaźnika zagrożenia - HI i zwiększenia ryzyka wystąpienia raka w całym okresie życia - ELCR. Zanieczyszczenie i związane z tym ryzyko rako-twórczości zwiększa się w sezonie zimowym. Potencjalne zagrożenie nierakotwórcze nie jest znaczące.
    Źródło:
    Inżynieria Mineralna; 2018, R. 19, nr 1, 1; 93-98
    1640-4920
    Pojawia się w:
    Inżynieria Mineralna
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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