Emphasis on Effects of Storm Runoff in Mobilizing the Heavy Metals from Leachate on Waste Deposit to Contaminate Nigerian Waters:Improved Water Quality Standards

Onwughara, N. I.; Umeobika, U.; Obianuko, P. N.; Iloamaeke, I. M.

doi:10.7763/ijesd.2011.v2.97

Cited by 5 publications

(3 citation statements)

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“…[4,5] Poor waste management and disposal, especially electronic waste (e-waste) disposal and recycling in developing countries were reported to enhance the elevated levels of heavy metal contamination in these regions. [3,[6][7][8] E-waste is defined as used electronics intended for reuse, resale, salvage, recycling, or disposal. [9] Osibanjo and Nnorom [10] reported that electronic waste devices are usually stored for a while for a perceived value -physical or emotional -before disposal with municipal waste in Nigeria.…”

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confidence: 99%

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Lead contamination induces neurodegeneration in prefrontal cortex of Wistar rats

Adeniyi

Achukwu

2018

Anatomy

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Neurological impairments are fast becoming common global causes of disabilities. [1] Maulik et al. [2] observed that prevalence of mental disabilities is higher in developing countries compared to those in developed countries. Environmental factors, such as environmental pollution, can influence the prevalence of these mental disabilities. [2] Poor health quality and high contamination level of heavy metals in developing countries may also contribute to these prevalence rates. [3] In recent times, the continual heavy metal contamination in waterways has been a global issue due to its persistence and resultant toxicity. [4,5] Poor waste management and disposal, especially electronic waste (e-waste) disposal and recycling in developing countries were reported to enhance the elevated levels of heavy metal contamination in these regions. [3,6-8] E-waste is defined as used electronics intended for reuse, resale, salvage, recycling, or disposal. [9] Osibanjo and Nnorom [10] reported that electronic waste devices are usually stored for a while for a perceived value-physical or emotional-before disposal with municipal waste in Nigeria. Because of the absence of a special framework for the separate collection and management of e-waste in Nigeria, these devices are disposed with Municipal Solid Waste (MSW) at open dumpsites and/or into waterways. [9-12] Informal disassembling and recycling of e-waste in backyards was also reported in Nigeria where primitive

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“…[20] Leaching of these toxic heavy metals eventually contaminates the ground and surface water. [6] The resultant effect is the high levels of heavy metals above the permissible limit recorded in Nigeria waterways. [5,21,22] Lead is a soft, ductile, flexible and malleable metal with high thermal expansion and electrical conductivity.…”

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Lead contamination induces neurodegeneration in prefrontal cortex of Wistar rats

Adeniyi

Achukwu

2018

Anatomy

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“…In addition, cobalt, copper, iron, manganese, molybdenum and zinc are needed at low levels as catalyst for enzyme activities. Heavy metals can also include the transition metals, some metalloids, lanthanides, and actinides and they have been associated with contamination and potential toxicity or eco-toxicity (Onwughara et al, 2011). The major anthropogenic sources of heavy metals are industrial wastes from mining sites, manufacturing and metal finishing plants, and domestic wastewater and run off from roads.…”

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Factor Analysis Techniques for the Assessment of Water Quality: A Case Study of Okun River, Ilorin, Kwara State

Okoro

Adebayo

Saliu

et al. 2019

Fountain Journal of Natural and Applied Sciences

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Okun River caters for diverse needs. Resulting from rapid industrialization and urbanization, the quality of the river is significantly affected. The study of impact of discharged industrial wastewaters into Okun River was carried out. Physicochemical properties such as temperature, turbidity, conductivity, total suspended solids, total dissolved solids, colour, odour, pH, total hardness, chloride, and concentrations of heavy metals (chromium, manganese, iron, copper, zinc and cadmium) were assessed. The mean concentrations of heavy metals and the physicochemical parameters determined were compared with standards and tolerance limit. Cr was not detected in all the samples while Mn, Fe, Cu, Zn and Cd concentrations varied from 0.10-3.47 mg/L, 2.64-9.65 mg/L,0.37-3.79 mg/L, 0.22-1.53 mg/L and 0.00-0.03 mg/L respectively. The mean values of pH, temperature, conductivity, turbidity, TSS, TDS, total hardness and chloride ranged between 6.33-7.77, 25.0-29.0 oC, 325-815 mS/cm, 14.80-209.33 NTU, 733.33-1033.33 mg/L, 133-395.67 mg/L, 137.50-962.50 mg/L and 11.52- 49.04 mg/L respectively. The principal component analysis confirmed the heavy metals to be from anthropogenic and industrial origin.

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Extraction of Cu, Zn, and Ni from waste silica-rich integrated circuits by sulfation roasting and water leaching

et al. 2019

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Emphasis on Effects of Storm Runoff in Mobilizing the Heavy Metals from Leachate on Waste Deposit to Contaminate Nigerian Waters:Improved Water Quality Standards

Cited by 5 publications

References 0 publications

Lead contamination induces neurodegeneration in prefrontal cortex of Wistar rats

Lead contamination induces neurodegeneration in prefrontal cortex of Wistar rats

Factor Analysis Techniques for the Assessment of Water Quality: A Case Study of Okun River, Ilorin, Kwara State

Extraction of Cu, Zn, and Ni from waste silica-rich integrated circuits by sulfation roasting and water leaching

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