On the premise that gas emissions in underground mine environments can be linked to different stages in the life of a coal mine, the following empirical model was suggested (Lunarzewski, 1998): (1) Q y = g C A ∑ 0 y + 1 C m + 1 − ∑ 0 y C m + 1 where Q(y) is the average methane emissions in a year y of the mine's existence (m 3), CA is the ...
WhatsApp: +86 18221755073INTERNATION AL JOURNAL O F SCIENTIFIC & TECHNOLOGY R ESEARCH VOLUME 6, ISSUE 01, JANUAR Y 2017 ISSN 2277-8616. 94. ... 1Kg Coal was obtained from Okpara mine in Enugu State .
WhatsApp: +86 18221755073Enugu State is breathing new life into its coal mining sector, and officials mean business. Over the weekend, they met with mineral title holders, and deadline has been set: operations need to commence by December, no excuses. The goal is ambitious, with the state determined to regain its status as a coal mining powerhouse.
WhatsApp: +86 18221755073Department of Geology and Mining, Enugu State University of Science and Technology Abstract: Enugu state, southeastern Nigeria is endowed with many natural resources which include …
WhatsApp: +86 18221755073Nigerian Coal Corporation started mining in 1916 at Onyeama Coalfield, Enugu (Onwukeme 1995), and in October 1977, their operations became mechanized (Asogwa 1988). ... biologically inert overburden dumps …
WhatsApp: +86 18221755073Enugu escarpment, gullies and mine sites. The Enugu coal ... Obiadi et al. (2016) stated that the mining of coal was a major source of economic for people around the study area
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WhatsApp: +86 18221755073Major and Trace elements concentration were measured in water samples collected in and around Okpara coal mine in Enugu southeastern Nigeria to investigate the influence of mine drainage on the ...
WhatsApp: +86 18221755073Department of Geology and Mining, Enugu State University of Science and Technology, P.M.B. 01660, Enugu, Nigeria. Email: dan.ozoko@gmail ABSTRACT This paper is aimed at evaluating the chemistry of the Onyeama Coal Mine and Ekulu River with respect to their ... (Egboka et al., 1989). Drainage in the area is dendritic and besides, Ekulu River ...
WhatsApp: +86 18221755073Coal mining in Enugu is mainly by su rface mining and ... Fire outbreak in mines is one of the most challenging safety issues faced by every person working in a mining environment (Kong et al ...
WhatsApp: +86 18221755073Water, sediment, and mine spoil samples were collected within the vicinity of the Okpara coal mine in Enugu, Southeastern Nigeria, and analyzed for trace elements using ICP-MS to assess the level of environmental contamination by these elements. The results obtained show that the mine spoils and sediments are relatively enriched in Fe, with mean values of …
WhatsApp: +86 18221755073sourcing of mining equipment, lack of experienced man power and outdated infrastructural facilities Possible Solutions To The Problems Of Coal Mining In Enugu State a. Coal …
WhatsApp: +86 18221755073Fredrick et al, (2020), did an in-situ assessment of background gamma radiation dose levels in outdoor environment of Enugu urban areas, Enugu state, Nigeria using hand held radiation survey meter ...
WhatsApp: +86 18221755073AMD in an abandoned coal mine in Enugu had negative effects on the quality of both groundwater and surface water. Mine water is a huge problem which is a danger to aquatic life and adversely affects the health of communities that rely on this water source for drinking-water and agriculture. ... 33–38. Al-Usmani, S. M. P. (2011). Impact of ...
WhatsApp: +86 18221755073The environmental hazards created by mining in the Enugu ... Afu et al., 2020;Ofem et al., 2024), whereas the impact of mining especially for Pb-Zn mining on soil, plant, and human health has not ...
WhatsApp: +86 18221755073Water, sediment, and mine spoil samples were collected within the vicinity of the Okpara coal mine in Enugu, Southeastern Nigeria, and analyzed for trace elements using ICP-MS to assess the level of environmental contamination by these elements. The results obtained show that the mine spoils and sediments are relatively enriched in Fe, with mean values of 1,307.8(mg/kg) …
WhatsApp: +86 18221755073J.O. Ahazuem (1988) in his work, "The Development of a Mining Town: Enugu", traced the origin and development of Enugu to and as arising from the discovery of coal at Udi in 1909. The work traced the town's settlement patterns. According to him, when thought was first given in 1917 for the layout of Enugu, European Reservation and an ...
WhatsApp: +86 18221755073Coal mining in the Enugu area of Nigeria has generated a lot of mine waste that has been dumped in landfills and surface dumps chosen for convenience and proximity to the waste source rather than ...
WhatsApp: +86 18221755073Artisanal coal mining in Nigeria is typically carried out in the southeastern part of the country, particularly in states such as Enugu and Ebonyi (Lar, 2020). The coal deposits in this region are ...
WhatsApp: +86 18221755073Eurek, 2010; Al-Usmani, 2011). The exploitation stage of a solid mi- ... ogists in 1909 and actual mining started in 1916 in Enugu. Results of detailed geological mapping and drilling revealed ...
WhatsApp: +86 18221755073The control samples were collected from a farm in the GRA Enugu area (farmland without coal mining activity). Using a double acid digestion procedure, Atomic Absorption Spectrophotometer (AAS) was ...
WhatsApp: +86 18221755073Eziegbo and Ezeanyim, (1993), Onuoha, et al (2004), Sikakwe, et al (2015), Sikakwe, et al (2016) and Famuboni, (1996) among others discussed groundwater around Enugu Municipality and other parts of parts of Enugu area due to coal mining and mine drainage contamination in Okpara coal mine. Study area description
WhatsApp: +86 18221755073Ribadu coal mine sites (Sikakwe et al., 2015; Sikakwe, 2017). Drawing from the lessons of the occurrence of the devastation by coal mining on the ecosystem (in abandoned mined lands) and
WhatsApp: +86 18221755073Disused Ogbete Coal Mine in Enugu Metropolis, Nigeria Emeka Bright Ogbuene ( [email protected] ) University of Nigeria ... (Wang et al 2013). During the mining processes of coal,
WhatsApp: +86 18221755073A case study of Ava River in Enugu State, Nigeria ... (Schandl et al., 2016). Sand mining is the mechanical excavation of sand from the bottom of lagoons, rivers, creeks and oceans. This
WhatsApp: +86 18221755073Artisanal and small-scale mining (ASM) activities have contributed, in most cases, to the rural development of some African countries. Practically, these activities have influenced the ...
WhatsApp: +86 18221755073called mine spoils (Hazarika et al. 2006; Ogbonna et al. 2012). Coal mining as a land-use brings wealth and employ- ... mining was carried out at Akwuke and Iva mine communities in Enugu State, Nigeria (Figure 1). Enugu with an estimated population of 722,000 in 2006 (National
WhatsApp: +86 18221755073This excessive Al, Fe, Mn and Ni, coupled with the generally acidic nature of the water portend doom for the ecosystem. In particular, ... The Enugu coal mine district covers 270,000 hectares of coal basin, which supported the largest amount of commercial mining in the past. ...
WhatsApp: +86 18221755073Coal generated lots of revenue for Nigeria between the years 1916 and 1970 when it was one of Nigeria's major revenue earners. In the south eastern part of the country, mining …
WhatsApp: +86 18221755073ShareThe Enugu State govern – ment has announced its readiness to regulate mining operations in the state to ensure environmental safety and enhance the development of the …
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