Environmental chemistry and mineralogy of particulate air matter around Selebi Phikwe nickel–copper plant, Botswana

Ekosse, Georges‐Ivo E.; Heever, D. J. Van Den; Jager, L. de; Totolo, Otlogetswe

doi:10.1016/j.mineng.2003.08.016

Cited by 21 publications

(17 citation statements)

References 4 publications

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“…Ni concentrations measured in the present study were higher than concentration at the SelebiPhikwe nickel-copper plan area in Botswana (41 ppm) [17].…”

Section: Contents Of Heavy Metals In Dustscontrasting

confidence: 76%

“…With regard to Fe, when comparing Fe concentrations with those measured at SelebiPhikwe nickel-copper plan area in Botswana (91 ppm) [17] , the levels recorded at sites in this study presented very high Fe concentrations ( Figure 6). …”

Section: Contents Of Heavy Metals In Dustsmentioning

confidence: 70%

“…Cadmium concentration measured in all samples, presented the highest value at S2 site (67 ppm), but the lowest value was found at S1 site (4 ppm).Concentration values of cadmium in those three sites were significantly higher than this measured at SelebiPhikwe nickel-copper plan area in Botswana (0,03 ppm) [17] (Figure 5). A high concentration of Cd in S1and S2 may be due to phosphate activities because Cd can be found in phosphate rocks as can be seen in Table 8 [19].…”

Section: Contents Of Heavy Metals In Dustsmentioning

confidence: 78%

See 2 more Smart Citations

Chemical and Mineralogy Characteristics of Dust Collected Near the Phosphate Mining Basin of Gafsa (South-Western of Tunisia)

Raja¹,

Taieb²,

Ammar³

2014

J Environ Anal Toxicol

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“…Ni concentrations measured in the present study were higher than concentration at the SelebiPhikwe nickel-copper plan area in Botswana (41 ppm) [17].…”

Section: Contents Of Heavy Metals In Dustscontrasting

confidence: 76%

Section: Contents Of Heavy Metals In Dustsmentioning

confidence: 70%

Section: Contents Of Heavy Metals In Dustsmentioning

confidence: 78%

See 1 more Smart Citation

Chemical and Mineralogy Characteristics of Dust Collected Near the Phosphate Mining Basin of Gafsa (South-Western of Tunisia)

Raja¹,

Taieb²,

Ammar³

2014

J Environ Anal Toxicol

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“…Ekosse et al (2004) noted that the growth in mining activities in Botswana may have generated corresponding increase in particulate matter. One identified major site where mining activities pose environmental contamination challenge is the Selebi Phikwe mine area (Ekosse et al 2004). The town of Selebi Phikwe was established in the early 1960s following the onset of copper-nickel mining activities.…”

Section: Introductionmentioning

confidence: 99%

“…However, over the past years, there has been growing concern over environmental pollution threat posed by mining activities in the town. Ekosse et al 2004 carried out a chemical and mineralogical characterization of particulate matter (PM) at the Selebi Phikwe Ni-Cu area in Botswana. They reported that the air in the mining area was polluted by heavy metals including cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), nickel (Ni), selenium (Se), and zinc (Zn).…”

Section: Introductionmentioning

confidence: 99%

Air quality management in Botswana

2017

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This paper examines air pollution situation and the history of air quality management in Botswana. The current air quality management in Botswana is still largely underpinned by the Atmospheric Pollution Prevention Act of 1971, supplemented by the more recently enacted legislations such as the Environmental Impact Assessment (EIA) Act of 2010 and the Ambient Air Quality - Limits for Common Pollutants of 2012 published by the Botswana Bureau of Standards. Though commendable efforts have been made toward legislating against air and other forms of pollution, these have not yielded expected results in view of the prevailing levels of air pollutants like sulphur dioxide and fine particulate matters in the country’s atmospheric environment. Legislation as a sole measure may not be effective in tackling this challenge. Rather, government should also address some root-causes of the problem by making policies and programmes that will reduce unemployment and increase the earning capacity of citizenry. This will, among other things, effectively check poverty-induced biomass burning in the country. The paper looks at some other challenges of air pollution management and suggestions are made to tackle the identified problems.

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Micro‐ to macro‐scaling analysis of PM_2.5 in sensitive environment of Himalaya, India

Kimothi,

Chilkoti,

Rawat

et al. 2023

Geological Journal

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Fine particulate matter (PM) in the atmosphere has become a significant air contaminant with substantial health consequences. Although airborne remote sensing and ground sensor monitoring can offer air quality datasets containing PM2.5, there are limitations to effectively analysing large long‐term datasets. The research aims to evaluate air quality over the Himalayan region using the multifractal approach for the PM2.5 data time series. Fractal dimension (FD), Hurtz exponent (H), and predictability (PI) are estimated using the rescaled range. PM2.5 is found to have high concentration and frequency throughout the day. The same is found in the night hours during peak tourism months. The hourly PM2.5 time series datasets have shown multifractality. The primary reason for this is emissions produced by vehicles and anthropocentric activities in the region. The H is used to assess the dynamic features of the PM2.5 time series in terms of persistence and self‐correlation. In the context of climate change studies, it is crucial to monitor the spatial distribution and dynamic behaviour of PM2.5 in the Himalayan foothills. This study aims to provide prediction analyses and air quality index (AQI) estimates and demonstrate how PM2.5 concentrations alter the sensitive environment throughout the micro to macro scale. This will help us to build a long‐term strategy for reducing the harmful effect of increasing pollution levels on the ecosystem and human health.

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Environmental chemistry and mineralogy of particulate air matter around Selebi Phikwe nickel–copper plant, Botswana

Cited by 21 publications

References 4 publications

Chemical and Mineralogy Characteristics of Dust Collected Near the Phosphate Mining Basin of Gafsa (South-Western of Tunisia)

Chemical and Mineralogy Characteristics of Dust Collected Near the Phosphate Mining Basin of Gafsa (South-Western of Tunisia)

Air quality management in Botswana

Micro‐ to macro‐scaling analysis of PM_2.5 in sensitive environment of Himalaya, India

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Environmental chemistry and mineralogy of particulate air matter around Selebi Phikwe nickel–copper plant, Botswana

Cited by 21 publications

References 4 publications

Chemical and Mineralogy Characteristics of Dust Collected Near the Phosphate Mining Basin of Gafsa (South-Western of Tunisia)

Chemical and Mineralogy Characteristics of Dust Collected Near the Phosphate Mining Basin of Gafsa (South-Western of Tunisia)

Air quality management in Botswana

Micro‐ to macro‐scaling analysis of PM2.5 in sensitive environment of Himalaya, India

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Micro‐ to macro‐scaling analysis of PM_2.5 in sensitive environment of Himalaya, India