An overview of industrial wastewater treatment and analysis as means of preventing pollution of surface and underground water bodies—the case of Nkana Mine in Zambia

Ntengwe, F.W.

doi:10.1016/j.pce.2005.08.014

Cited by 25 publications

(10 citation statements)

References 5 publications

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“…This is particularly widespread and acute in the developing world where unchecked industrial growth, lack of monitoring facilities and failure to enforce environmental regulations add to the severity of the situation (Ntengwe, 2005;Oluwande et al, 1983). The presence of contaminants that deviate from the acceptable World Health Organisation (WHO) guideline values has been associated with the cause of different kinds of disease such as typhoid fever, dysenteries, gastrointestinal and infectious hepatitis (Hammer, 1996;Jiang, 2011).…”

Section: Introductionmentioning

confidence: 99%

Assessment of borehole water quality in Yola-Jimeta Metropolis, Nigeria

Bashir¹

2012

Int. J. Water Res. Environ. Eng.

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, pH, sodium (Na + ) and total hardness (CaCO 3 ) are the main sources of borehole water contamination in the study area. This has health implications that include hypertensions and heart and kidney diseases which are on the increase in the region. Poor sanitary condition and intensive use of inorganic fertilizer are implicated as sources of contaminants. We therefore suggest the setting up of water sanitary agencies that will monitor and regulate health based targets of water quality at ward levels.

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Section: Introductionmentioning

confidence: 99%

Assessment of borehole water quality in Yola-Jimeta Metropolis, Nigeria

Bashir¹

2012

Int. J. Water Res. Environ. Eng.

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“…Each of the melted snow samples (300 ml) and the above rinsed water were filtered through hydrophilic polyethersulfone membranes (Pall; 0.22 µm pore size) with a vacuum pump (Ntengwe 2005). The microorganisms on the membranes were eluted by agitation for 2 min by hand and sonication for 2 min with a sonicator (model 14; Branson Ultrasonics Corp) (Uga et al 2003) and suspended in 2.0 ml phosphate-buffered saline.…”

Section: Dgge Analysismentioning

confidence: 99%

Abundance and Diversity of Glacial Bacteria on the Tibetan Plateau with Environment

Zhang¹,

Yang²,

Hou³

et al. 2010

Geomicrobiology Journal

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The relation of glacial microorganism and their living environment is concerned but less understood for both glaciologists and microbiologists. Here we present the results about glacial snow bacteria from 3 glaciers on the Tibetan Plateau. The concentrations and diversity of bacteria collected from snow pit samples of East Rongbuk, Laohugou and Hailuogou glaciers on the Tibetan Plateau were investigated by epifluorescence microscope, denaturing gradient gel electrophoresis and Shannon-Weaver index. Concentrations and community diversity of bacteria in the East Rongbuk glacier with lower concentration and smaller size of microparticle were lower than in the Laohugou with higher concentration and larger size of microparticle. Bacterial concentration in East Rongbuk Glacier was close to that in polar regions, suggesting that Mt. Everest is a bacterial background for remote regions away from direct influence of anthropogenic sources. In addition, altitude difference was another factor for higher concentrations and community diversity of bacteria in Hailuogou and Laohugou glaciers than in East Rongbuk Glacier. The highest concentrations and community diversity of bacteria in Hailuogou Glacier were attributed to its most diverse atmospheric circulations and highest temperature among the 3 glaciers. We suggest a complicated correlation between glacial bacteria and their regional living environments.

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“…The remaining 200-1100 ml melted ice core samples were filtrated through 0.22 µm hydrophilic polyethersulfone membranes (Pall) with a vacuum pump (Ntengwe, 2005). Microorganisms on the membranes were eluted by agitation for 2 min by hand, then by sonication for 2 min with a sonicator (model 14; Branson Ultrasonics Corp) (Uga et al, 2003) and then suspended in 2.0 ml PBS.…”

Section: Dna Extractionmentioning

confidence: 99%

Bacteria in Himalayan glacial ice and its relationship to dust

Zhang

Hou

et al. 2008

Biogeosciences

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Abstract. Concentrations and community diversity of bacteria from 50 segments of a 108.83 m ice core drilled from the East Rongbuk (ER) Glacier (28.03 • N, 86.96 • E, 6518 m above sea level) on the northeast slope of Mt. Qomolangma (Everest), covering the period 950-1963 AD, were investigated by epifluorescence microscope, DGGE and ShannonWeaver index analysis. Bacteria in the ER core were identified as β, γ -proteobacteria and Firmicutes group, with γ -proteobacteria being the dominance. Different bacterial population was identified along the core, reflecting the effects of climatic and environmental changes on the bacterial distribution in the glacial ice. There are four general periods of bacterial diversity, corresponding to four phases of dust abundance revealed by Ca 2+ concentrations. However, a previously suggested positive correlation between bacterial and Ca 2+ concentrations was not indicated by our observations. Instead, a weak negative correlation was found between these two parameters. Our results suggest that bacterial community diversity, rather than concentrations, might be a suitable biological proxy for the reconstruction of past climatic and environmental changes preserved in glacial ice.

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An overview of industrial wastewater treatment and analysis as means of preventing pollution of surface and underground water bodies—the case of Nkana Mine in Zambia

Cited by 25 publications

References 5 publications

Assessment of borehole water quality in Yola-Jimeta Metropolis, Nigeria

Assessment of borehole water quality in Yola-Jimeta Metropolis, Nigeria

Abundance and Diversity of Glacial Bacteria on the Tibetan Plateau with Environment

Bacteria in Himalayan glacial ice and its relationship to dust

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