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mining of lafia obi coal

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  • WASHABILITY AND FROTH FLOTATION TESTS OF LAFIA-OBI …

    The Lafia-Obi coal deposit has been found to be geologically faulty and the minimum estimated cost of mining it per ton was at N87.50 as at 1977 (Taskforce, 1987). Considering the present exchange rate of the Nigeria Naira to the US dollar, the current mining price per ton of Lafia-Obi coal can be taken to be US$87.50 (Adeleke and Onumayi, 2007).

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  • A Bibliography of Geological Studies on the Benue Trough ...

    A Bibliography of Geological Studies on the Benue Trough of Nigeria: 2000-2015 ... 24. Amoo LM (2015) Computational fluid dynamics simulation of Lafia-Obi bituminous coal in a fluidized-bed chamber for air- and oxy-fuel combustion technologies. Fuel (140): 178-191. ... with the mining of Pb-Zn minerals in some parts of the Southern Benue

  • NIGERIA’S COUNTRY REPORT ON COAL MINE METHANE …

    NIGERIA’S COUNTRY REPORT ON COAL MINE METHANE RECOVERY AND USE. 1.0 INTRODUCTION ... Comparison Of Typical And Prime Coking Coal Analysis With Lafia-Obi Raw And Washed Coals Quality Parameter Typical Coking Coal Prime Coking Coal/Blend ... indicates some of the existing coal mine sites in Nigeria. Perhaps

  • Computational fluid dynamics simulation of Lafia–Obi ...

    Jan 15, 2015· The objective of the present study is to numerically study the process of the heterogeneous combustion of the Nigerian Lafia–Obi coal particles in a fluidized-bed reactor for air- and oxy-fuel combustion. The coal was taken from the Lafia–Obi site in the MBT of Nigeria; the coal particle sizes varied from 10 mm to 25 mm.

  • CiteSeerX — ` Printed in Nigeria MINE DEWATERING: A ...

    lafia-obi coal nigeria mine dewatering mine development hydrologic communication adjacent stratum capital cost local surface water cost analysis remote water-bearing unit nearby rock unit underground mining activity low-pressure sink great concern mineral investment mine void drainage infrastructure hydrologic characteristic significant role ...

  • 46-54 - pdfs.semanticscholar.org

    Geology of Lafia-Obi Coal The geological investigation of the Lafia-Obi coal fields carried out by the Exploration and Mining Division of the National Steel Council, Kaduna between 1973 to 1979 established a commercial reserve of 128,304,000 tons of coal [NSC 1978 ].

  • Coking Potential and Metallurgical Relevance of the ...

    Department of Geology and Mining, Nawarawa State University, Keffi, Nigeria. E-mail: [email protected]* ABSTRACT Paralic coal beds are found as interbeds within the Cretaceous system around Lafia/Obi area of Nasarawa State which geologically fall into the Middle Benue Trough of North Central Nigeria.

  • THE MENACE OF ACID MINE DRAINAGE: AN ... - core.ac.uk

    The proposed Lafia-Obi coal mine which is expected to provide the much needed coking coal for the Adjaokuta Steel Industry cannot be an exception to such environmental menace .The expected coal mining activities has the capacity to affect the quality of domestic water supply to the Nasarawa state capital and its environment with possible ...

  • The Economic Cost of Dewatering of the “Hajvalia” Mine

    Development and Mining of the Lafia-Obi coal , Nigeria. s.l., Wilolud Journals. Mallo SJ, 2011) Mine Dewatering:A veritable component in mine cost analysis in the development and mining of the Lafia-Obi Coal , Nigeria. Continantal J. Earth Sciences , p. 14. Libicki SJ, (1979)

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  • mineral flotation cell nigerian - whitehillstree.com

    dolomite grinding machine supplies Used mobile stone crushers for sale in south africa. . mining mineral dolomite flotation cell manufacturer in nigeria. Contact US washability and froth flotation tests of lafia obi coal deposit . Nigeria were carried out on samples of the coal deposit obtained from seams 30, …

  • washability and froth flotation testsof lafia

    Jan 1, 2018 . For cleaning fine size coal, froth flotation appears to be one of the more .. ts of froth flotation tests of different coals in alkaline solutions lb. Contact US washability and froth flotation tests of lafia obi coal deposit . Abstract: Washability and froth flotation tests on Lafia Obi Coal deposit Nasarawa State North Central.

  • Geology, geochemistry and biomarker evaluation of Lafia ...

    Based on the maceral compositions and the Rock-Eval pyrolysis results, the Lafia-Obi coals are within gas generating interval and could be a source rock in this area. The Lafia-Obi coal can be of utility for the iron and steel industries if blended with high rank coal for combustion.

  • Gasification of Lafia-Obi Coal Using ANSYS Fluent As CAD ...

    Subsequent prospecting was conducted and twenty-two coal mine sites/deposits were discovered with varying reserves. Lafia/Obi coal is one of them with proven reserve of 21.42 million tonnes [3]. Lafia/Obi coal is bituminous and this grade of coal is important as …

  • Determination of selected metals in coal samples from ...

    PDF | The concentration of iron, aluminum, chromium, magnesium cadmium, potassium, lead and copper in Lafia-Obi and Chikila coal samples were determined using atomic absorption spectroscopy (AAS).

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    mining of lafia obi coal - mnque-recruitmentnl. coal mining sites Nigeria - miningbmw Coal mining - Wikipedia, the free encyclopedia The goal of coal mining is to obtain coal from the ground Chat Online; coal miningpanies in nasarawa 70% Off Coal Mines - Best Price Coal Min Buy Now washability and froth flotation tests of lafia-obi , Abstract: ,

  • Geology, geochemistry and biomaker evaluation of Lafia-Obi ...

    Petrographic studies and proximate analysis of coal samples from Lafia-Obi, Chikila and Lamza deposits of the Benue Trough, were used in the ranking and preliminary assessment of the coking potential.

  • Physical and Plastic Properties of Three Nigerian Coals

    The present global concern for new sources of energy has kindled a renewed interest in coal. In the option for maximizing the use of low grade coals in the production of metallurgical grade coke and various coal conversion processes, the qualities of three Nigerian coal samples, Onyeama, Garin Maiganga and Lafia-Obi, were assessed for their potential utilization in a blast furnace.

  • Emission and Combustion Characteristics of Lafia-Obi Coal ...

    The technology of fluidized bed coal combustion (FBC) and its advantages over conventional coal burning systems is now well established and is extensively reported in the literature. There is also some emphasis in literature about the suitability of Lafia-Obi coal in FBC. However, there is little quantitative or qualitative information on theperformance of Lafia-Obi in FBC.

  • Production and Characterization of Carbon Molecular Sieves ...

    Energy Council 8 puts Nigeria’s total proven coal reserves at 344 million tons, most of which fall within the rank of bitumi-nous or sub-bituminous. Of the total Nigerian coal deposits, the Lafia-Obi basin has an estimated 21 million tons of bituminous coal reserves.9 This makes it an attractive economically viable

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    mining of lafia obi coal; Welcome to Shanghai Mining and Construction Machinery Co,Ltd is one of the biggest manufacture in crushing and grinding . Chat Online; 46-54 - CiteSeerX. the menace of acid mine drainage: an impending challenge in the mining of lafia-obi coal, nigeria stephen j mallo , 46 - 54, 2011 lafia obi)3, 1 + +3 + + + 54 . Chat ...

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  • what is the method used in mining coal in lafia obi

    THE NIGERIAN COAL CORPORATION: AN , - EconWPA. 10 INTRODUCTION Coal as discovered in Nigeria in 1909 and coal mining started with a drift mine opened in , as Lafia-Obi in Plateau State, Lamja, Gombe in Bauchi State and Afikpo in Imo State There are two , shown in table 21 the output figures are analyzed by the method of semi-averages as shown in the table

  • Nasarawa State of Nigeria

    Coal . The Lafia-Obi coal which is of high-medium volatile bituminous rank with estimated reserves of 128.3million tonnes could be used to establish small sized modular coal-fired Independent Power Plants (IPPs) for the generation of electricity in the state.

  • 10-17 - CiteSeerX

    The cost of dewatering of the Lafia- obi coal mine will absorb a substantial part of both capital and operating cost of the investment. Drawing example from the coal seams of America, the flat-lying sedimentary rocks of southwestern Pennsylvania, underground mining is routinely accompanied by rock fracturing, dilation of joints, and ...

  • Selective oil agglomeration of Lafia coal, Nigeria ...

    National Steel Council, 1979, Supplementary report on coal prospecting in the Obi area of Lafia, Plateau State, Exploration and Mining Division (Coal Group), Kaduna, Nigeria, April, 60 pp. Google Scholar

  • Mineralogy and Geochemistry of Sub-Bituminous Coal and Its ...

    Nevertheless, the ash content of American coal, Lafia-Obi and Chikila coals are relatively lower than the ash content on dry basis of the pulverised coal used in this study. Similarly the low ash content is an improvement on the coking quality, low ash content is an essential requirement for coke making coals .

  • Determination of selected metals in coal samples from ...

    Metals concentrations in both Lafia-Obi and Chikila coal samples are within the limits allowed by the Federal Environmental Protection Agency (FEPA) except in Chikila (UBCJ-1) and Lafia-Obi (MBJJ-6) coal samples where iron was observed to be higher than the stipulated 20 ppm.

  • NIGERIA COAL FEASIBILITY REPORT 031506

    Figure 4.2 Sketch Map of Coal Mining Districts – Coal outcrops in the zone bounded by red and light blue lines. Existing drilling is depicted by small orange dots

  • mining of lafia obi coal - nannieleijten.nl

    Two Nigerian coals, Lafia-Obi and Chikila were blended in the mass ratio , produced using Lafia-Obi coal are more qualitative , Journal of Mining and . More; Lafia-Obi Coal In A Fluidized Bed Combustion Chamber. Lafia-Obi Coal In A Fluidized Bed Combustion Chamber, a …

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