Radiological Implications of Coal-Mining Activities in Maiganga Coalfield of North-Eastern Nigeria

Kolo, Matthew Tikpangi; Khandaker, Mayeen Uddin; Amin, Yusoff Mohd; Abdullah, Wan Hasiah

doi:10.1007/s41748-017-0013-y

Cited by 10 publications

(4 citation statements)

References 14 publications

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“…This is in agreement the work of [18,19,21] where the mean uranium content reported was higher than the world average value in soil. But this is contrary to [22] who recorded a lower value and this may be attributed to the differences in location where the samples were collected or compared with other studies was believed to be because these radiation elements are not evenly spread in the earth crust [4] . Also the mean value of 40 K is markedly high in zone 2 with the highest concentration of 40 K in this study and was obtained at VSS6.…”

Section: Resultsmentioning

confidence: 59%

Untitled

2022

Int. J. Appl. Res.

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Humans are exposed externally and internally in their environment to natural background radiation from radionuclides such as 40 K, 238, U and 232 Th which emit gamma, alpha, beta and other forms of radiation through their decay processes. These radionuclides are found in the soil, food and the water we consume. Human activities such as the mining of uranium, oil exploration, building materials, coalfired power station can ignite the Naturally Occurring Radioactive Materials (NORMs). The aim was to assess radiation impact in Ashaka cement factory, Gombe state for their potential radiological hazards in order to maintain a safe environment. A prospective cross-sectional survey design was adopted and using a purposive sampling technique, fifteen (15) soil samples were collected using a geographical positioning system (GPS). The activity concentrations of these natural radionuclides were measured due to Gamma radiation by using a High Purity Germanium detector. Samples were analysed at the Radiation Protection Institute of Ghana Atomic Energy Commission, Kwanbeya District, at Accra, Ghana. Fifteen (15) soil samples were collected from within the Ashaka Cement factory (Zone 1) and environment (Zone 2). Data was analyzed by the use of SPSS Version 22.0 (IBM Corp. Armonk NY, 2011). Descriptive statistics was employed to obtain the Mean and Standard deviation of the radioactivity concentrations. Inferential statistics was carried out to compare the radionuclides and radiological parameters. Statistical significance was considered at p ≤ 0.05. The mean activity

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Section: Resultsmentioning

confidence: 59%

Untitled

2022

Int. J. Appl. Res.

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“…The mean activity of 226 Ra in all samples except the Sylhet sand was found to be within the global range (17–60 Bqkg −1 ). 25 Besides this, the mean activity concentrations of 232 Th (except the Base sand) and 40 K (except the Base and Aster sands) were significantly higher than the global ranges of 11–64 Bqkg −1 for 232 Th and 140–850 Bqkg −1 for 40 K. Overall, the present results of uranium and thorium concentrations in the studied sand samples show relatively higher values than the world averages, and this is supportive by the findings of Mollah et al . 26 where a higher level of uranium and thorium was detected in some building materials in Bangladesh.…”

Section: Resultsmentioning

confidence: 99%

Elevated concentrations of terrestrial radionuclides in sand: An essential raw material used in Bangladeshi dwellings

Hasan¹,

Chaity

Haydar

et al. 2020

Indoor and Built Environment

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Sand is one of the main materials used in the construction industry. Elevated concentrations of terrestrial radionuclides in sand may cause great harm to dwellers. Present study determines concentrations of terrestrial radionuclides in sand that is widely used as a raw material in the construction industry in Bangladesh, via conventional HPGe γ-ray spectrometry. The average activity concentrations of 226Ra, 232Th and 40K in the analysed samples were found as 36.8 ± 3.9, 58.9 ± 6.0 and 755 ± 91 Bqkg−1 in Base sand, 68.1 ± 5.3, 185.7 ± 9.9 and 1032 ± 104 Bqkg−1 in Sylhet sand, and 38.1 ± 3.6, 74.7 ± 5.9 and 636 ± 77 Bqkg−1 in Aster sand. All data show relatively higher values than the world average of 35, 30, 400 Bqkg−1, respectively. Key hazard parameters were estimated to realize the radiation effects on human health due to the use of sand as construction and building materials. The estimated parameters for Sylhet sand show relatively higher values than the population-weighted world average values, prescribed by regulatory bodies. Results show that the Sylhet sand may pose a significant radiation hazard to the dwellers via prolonged exposure, and necessary precautionary steps need to be taken to ensure safe dwellings while using this sand for construction and decorative purposes.

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“…Maiganga coal is hosted within the Maatrichtan Gombe formation of North-East Nigeria. It is a low-rank subbituminous coal [13].…”

Section: Figure 2 Stratigraphic Succession In the Upper Benue Trough ...mentioning

confidence: 99%

Physico-chemical assessment of surface water from mining activities in Maiganga coal mine, Gombe state, Nigeria

Aluwong,

Hashim,

Ismail

et al. 2024

Min. miner. depos.

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Purpose. Surface water from mining activities may undergo various physico-chemical changes that can impact its quality and ecological health. This study conducted a comprehensive physico-chemical assessment of surface water affected by mining operations, with a particular emphasis on heavy metal content. Methods. These parameters were chosen due to their importance as indicators of water quality and potential contamination. Water samples were collected from different locations within and around Maiganga Coal mine area and analyzed using standard laboratory techniques. The assessment included the measurement of physico-chemical parameters such as temperature, total dissolved solids and concentrations of heavy metals such as chromium, lead, manganese, cadmium and copper. Also, cations and anions such as calcium, magnesium, sodium, potassium, nitrate, chloride sulfate and fluoride that can impact water quality were considered. Findings. The results of the physico-chemical assessment revealed substantial variations of chromium (0.00-0.03 mg/l), lead (0.00-0.05 mg/l), manganese (0.00-12.11 mg/l), cadmium (0.10-0.14 mg/l) and copper (0.00-1.02 mg/l) concentrations. Also, cations and anions such as calcium (0.00-1.13 mg/l), magnesium (11.90-30.07 mg/l), sodium (0.20-1.11 mg/l), potassium (0.10-0.66 mg/l), nitrate (3.90-4.78 mg/l), chloride (84.0-319.0 mg/l), sulphate (8.0-240.0 mg/l) and fluoride (0.00-0.89 mg/l) can impact water quality levels across the sampled surface water bodies. Originality. Evidence of acid mine drainage, caused by mine effluents that are limited to surface water and do not reach groundwater, has been found through analysis of data from wells, ponds, and streams. Practical implications. These variations obtained could be attributed to the discharge of acidic or alkaline substances associated with coal mining activities.

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Radiological Implications of Coal-Mining Activities in Maiganga Coalfield of North-Eastern Nigeria

Cited by 10 publications

References 14 publications

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Untitled

Elevated concentrations of terrestrial radionuclides in sand: An essential raw material used in Bangladeshi dwellings

Physico-chemical assessment of surface water from mining activities in Maiganga coal mine, Gombe state, Nigeria

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