• Characterization of Some Nigerian Coals for Power Generation

    Mar 31, 2016 . Coal does not presently contribute to Nigeria's electricity generation . Medium and low temperature carbonization of Onyeama and Lafia-Obi coal samples ... waste coal and serve to clean up waste piles left over from mining.

  • Appraisal of the Economic Geology of Nigerian Coal . - Iiste . org

    The Obi-Lafia coal deposit has been described as coking coal by the Nigerian Steel . Coal mining commenced in Nigeria in 1916 at Enugu in a drift mine.

  • Environmental Impact from Lead-Zinc Mining and . - University of Jos

    coals. Farrington (1952) described the lead-zinc mineralization of the . The Middle Benue Trough comprises the areas from Makurdi through Yandev, Lafia, Obi,.

  • A Review of Geology and Coal Mining In South . - IOSR Journals

    coal mining has been successfully carried out using conventional underground mining methods as well as .. Development of Lafia-Obi Coal mines Pp. 19. [6].

  • MINING OPPORTUNITIES IN NIGERIA; COAL MINING IN NIGERIA .

    Mar 2, 2016 . Available data show that Coal (mainly sub-bituminous steam Coals except for the Lafia-Obi bituminous Coking Coal) occurrences in Nigeria.

  • Physical and Plastic Properties of Three Nigerian Coals - SciAlert .

    Collection and preparation of materials: Lafia-Obi and Onyeama coal samples . Garin Maiganga was collected from the mine site around Gombe, Gombe State.

  • mining of lafia obi coal,

    Physicochemical characterization of low rank Nigerian coals - arXiv

    the Garin Maiganga coal mines in Akko, Gombe state of Nigeria (Ryemshak and .. of the Cretaceous Obi/Lafia Coal Deposits in the Benue Trough of Nigeria.

  • FULL LENGTH RESEARCH ARTICLE Jauro et al. (2008) SWJ:79 .

    of other coal deposits in Chikila, Lamza, Doho, Kumo, Lafia-Obi, and . Lafia-Obi and Chikila coal samples are within the limits allowed by the Federal Environmental Protection Agency (FEPA) except .. Nigerian Journal of Mining and.

  • Geology and mineral resources of Nasarawa State : an investor's .

    Imprint: [Keffi, Nigeria : Department of Geology & Mining Faculty of Natural .. of coals from Okaba and Ogboyaga (Anambra Basin) and Obi/Lafia (Middle Benue.

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

    quality or mining conditions in the Waterberg, Free State and Springbok Flats .. Nevertheless, the ash content of American coal, Lafia-Obi and Chikila.

  • Characterization of Some Nigerian Coals for Power Generation

    Mar 31, 2016 . Coal does not presently contribute to Nigeria's electricity generation . Medium and low temperature carbonization of Onyeama and Lafia-Obi coal samples ... waste coal and serve to clean up waste piles left over from mining.

  • mining of lafia obi coal,

    Harnessing Local Raw Materials for Engineering and Technological .

    . are credited. Visit for more related articles at Journal of Powder Metallurgy & Mining .. Plateau, Inyi Lafia–Obi (Coking Coal), 20, Unknown. 15, Unknown. Source form: selection of coals for making high quality metallurgical coke at Ajaokuta.

  • Quality of Some Nigerian Coals as Blending Stock in Metallurgical .

    Two Nigerian coals, Lafia-Obi and Chikila were blended in the mass ratio of 70:30 with imported American . Lafia-Obi/Foreign coals blends possess lower ash and better rheological properties ... Journal of Mining and Geology, Vol. 44, pp.

  • Physical and Plastic Properties of Three Nigerian Coals - SciAlert .

    Collection and preparation of materials: Lafia-Obi and Onyeama coal samples . Garin Maiganga was collected from the mine site around Gombe, Gombe State.

  • The geochemistry of lignite from the Neogene Ogwashi-Asaba .

    were explained by very limited detrital input during coal formation. . Lignite is mined in open pits in Nigeria and is used mainly as a substitute for wood as ... of the depositional environments of the Cretaceous Obi/Lafia coal deposits in the.

  • mining of lafia obi coal,

    proximate and quality assessment of coal deposits at . - Ijser

    20 Samples of coal were gathered from Maiganga coal mine, at four seams ... This shows that Lafia-obi coal has the highest value of carbon for effective.

  • The Economic Cost of Dewatering of the "Hajvalia" Mine - JIEAS

    The general cost related on dewatering of "Hajvalia" mine will be calculated in this paper. .. Development and Mining of the Lafia-Obi coal, Nigeria. s.l., Wilolud.

  • COAL DEVELOPMENT IN NIGERIA - International Journal of .

    Jul 10, 2013 . held a monopoly on coal and coke mining, . which hosted the coal mining activities waned .. The Lafia Obi deposit located northeast.

  • Coal Mine Methane Country Profiles, Chapter 24, June 2015

    Dec 30, 2013 . Table 24-2 identifies potential stakeholders in Nigerian coal mine . Sub-bituminous. 50. 20. 25-78. Surface and underground. Lafia/Obi.

  • how many mining companies operate in nasarawa state currectly

    Presently, the Nigeria Coal Industry has 4 existing mines, Okpara and Onyeama . and Okpara Mine all in Enugu State; Lafia-Obi Coal field in Nasarawa State;.

  • A Review of Geology and Coal Mining In South . - IOSR Journals

    coal mining has been successfully carried out using conventional underground mining methods as well as .. Development of Lafia-Obi Coal mines Pp. 19. [6].

  • Appraisal of the Economic Geology of Nigerian Coal . - Iiste . org

    The Obi-Lafia coal deposit has been described as coking coal by the Nigerian Steel . Coal mining commenced in Nigeria in 1916 at Enugu in a drift mine.

  • Geology and mineral resources of the Lower Benue . - iMedPub

    half of this number are found in the Lower Benue Trough which include; coal, lead–zinc, ... water which it obtained during the dewatering of a 76.2m deep mine shaft at Ameri by .. of Lamza, Chikila and Lafia – Obi coals of the Benue Trough.

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