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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 환경독성보건학회 Environmental Analysis Health and Toxicology Environmental Analysis Health and Toxicology Vol.39 No.2
- 발행연도
- 2024.6
- 수록면
- 63 - 75 (13page)
이용수
초록· 키워드
오류제보하기
Heavy metals pollution and potential ecological risk index were assessed in artisanal gold mining areas of Zamfara state, Nigeria. Soil samples were collected from three mines namely Kwali (05°45.49"E–11°59.66"N), Duke (06°19.56"E–12°21.45"N) and Maraba (06°22.43"E–12°20.26"N) while a non–mining area; Kadauri (06°08.71"E–12°13.56"N) was also chosen as a control. Samples were analysed using atomic absorption spectrophotometer and the results obtained showed that; the most abundant metal was Pb (148.59 mg/kg) in Kwali and the least was Ni (1.25 mg/kg) in Kadauri while the metals generally occurred in the order; Pb > Fe > Au > Al > Zn followed by other metals in an unspecified manner. All metal concentrations differed significantly (P<0.05) across sampling stations except Mn and Zn and they were all above the WHO limit which portrays a health risk. A strong positive correlation was found between metal pairs with r ≥ 0.5 (*p<0.05) in about 70% of them indicating commonality of source. Pb, Cd, Al and Au had contamination factors > 1in all sampling locations indicating increment in their concentrations above the pre–anthropogenic activities reference levels. Geoaccumulation index showed concentrations above background values of Pb, Cd, Al and Au while potential ecological risk index was highest (782.79) in Kwali and lowest (142.15) in Kadauri. Two principal components accounted for about 99.64% of the total variation in metals concentration with PC1 (95.21%) and PC2 (4.43%). This study showed the influence of artisanal gold mining on heavy metals concentration and suggested regulation of these practices.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (69)
참고문헌 신청
Neag E, Kovacs E, Dinca Z, Iulia Török A, Varaticeanu C, Andrea Levei E. Hydrometallurgical recovery of gold from mining wastes. In: Saleh HM, editor. Strategies of sustainable solid waste management. IntechOpen; 2021.https://doi.org/10.5772/intechopen.94597
Meißner S. The impact of metal mining on global water stress and regional carrying capacities—a GIS-based water impact assessment. Resources 2021;10(12):120. https://doi.org/10.3390/resources10120120
Brady BHG, Brown ET. Mining methods and method selection. In: Rock Mechanics. Springer; 1985. 292-315. https://doi.org/10.1007/978-94-011-6501-3_12
Salati LK, Mireku-Gyimah D, Eshun PA. Proposed mining and processing methods for effective management of artisanal and small–scale gold mining in Nigeria. International Journal of Scientific and Engineering Research 2016;7(12):952-970.
Veiga MM, Gunson AJ. Gravity concentration in artisanal gold mining. Minerals 2020;10(11):1026. https://doi.org/10.3390/min10111026
Meißner S. The impact of metal mining on global water stress and regional carrying capacities—a GIS-based water impact assessment. Resources 2021;10(12):120. https://doi.org/10.3390/resources10120120
Brady BHG, Brown ET. Mining methods and method selection. In: Rock Mechanics. Springer; 1985. 292-315. https://doi.org/10.1007/978-94-011-6501-3_12
Salati LK, Mireku-Gyimah D, Eshun PA. Proposed mining and processing methods for effective management of artisanal and small–scale gold mining in Nigeria. International Journal of Scientific and Engineering Research 2016;7(12):952-970.
Veiga MM, Gunson AJ. Gravity concentration in artisanal gold mining. Minerals 2020;10(11):1026. https://doi.org/10.3390/min10111026
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