Earth Sciences

Volume 2, Issue 6, December 2013

  • Volumetric Estimation of Coal Resources in Seam VI for Require Backfill Materials of Barapukuria Coal Mine, Dinajpur, Bangladesh

    Md. Mostafijul Karim, M. Farhad Howladar

    Issue: Volume 2, Issue 6, December 2013
    Pages: 113-119
    Received: Aug. 25, 2013
    Accepted:
    Published: Oct. 20, 2013
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    Abstract: Through the distinguish software application along with formal calculation method the study represents a volumetric estimation of require backfill Materials of Barapukuria coal mine in north western Bangladesh, the only coal mine of the country under production, which capable of a low recovery with sustaining mining method. The only productive coal... Show More
  • Economic Evaluation of the Existing and Potential Indonesian Coal Utilization

    Ukar Wijaya Soelistijo

    Issue: Volume 2, Issue 6, December 2013
    Pages: 120-128
    Received: Oct. 16, 2013
    Accepted:
    Published: Nov. 10, 2013
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    Abstract: The whole efforts of the Indonesian Government in diversifying the available domestic coal reserves in the forms of solid, liquid (synthetic oil) and gaseous fuel is made possible to overcome the depleted domestic oil reserves. Within the coming few years Indonesia will become net oil consumer after as the net oil importer in 2003. Within the cu... Show More
  • Prospect of Potential Nickel Added Value Development in Indonesia

    Ukar Wijaya Soelistijo

    Issue: Volume 2, Issue 6, December 2013
    Pages: 129-138
    Received: Oct. 16, 2013
    Accepted:
    Published: Nov. 10, 2013
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    Abstract: The effort of increasing mineral added value as a whole both vertical and regional is necessary required to improve the national income and regional development. The added value of nickel could be improved through developing the downstream industry such as stainless steel, non-ferrous alloys, other steel alloys, electroplating and chemicals, beside... Show More
  • Overview of Arsenic Distribution in some Part of Biu Volcanic Province North-Eastern Nigeria

    Usman, Adamu Mohammed, Lar, Uriah Alexander

    Issue: Volume 2, Issue 6, December 2013
    Pages: 145-148
    Received: Oct. 29, 2013
    Accepted:
    Published: Nov. 30, 2013
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    Abstract: Overexposure to arsenic can cause various diseases such as cancer of (skin, lung, bladder, and kidney), hair loss and nails deformity. These diseases are common among adults, youth and children in some rural communities in Biu Volcanic Province North-Eastern Nigeria. This is what motivated the Authors to investigate the concentration of arsenic in ... Show More
  • The Potential Share of Coal Liquefaction in the Indonesian Economy in 2025

    Ukar Wijaya Soelistijo, Aryo Prawoto Wibowo, Makmun Abdullah

    Issue: Volume 2, Issue 6, December 2013
    Pages: 149-157
    Received: Nov. 09, 2013
    Accepted:
    Published: Nov. 30, 2013
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    Abstract: One of the objectives of the National Energy Policy (KEN) of Indonesiawhich is listed in Perpres (Presidential Regulation) number 5/2006 is the realization ofan optimal energy mix in 2025 by lowering oil consumption to 20% and increased utilization of coal to greater than 33%. KEN also mandates that more than 2% of national energy needs is derived ... Show More
  • Optimization of the Overall Equipment Efficiency (OEE) of Loaders and Rigid Frame Trucks in NAMDEB Southern Coastal Mine Stripping Fleet, Namibia

    Akande, Jide Muili, Lawal, Abiodun Ismail, Aladejare, Adeyemi Emman

    Issue: Volume 2, Issue 6, December 2013
    Pages: 158-166
    Received: Sep. 08, 2013
    Accepted:
    Published: Jan. 20, 2013
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    Abstract: This research work investigates optimization of the overall equipment efficiency (OEE) of loaders and rigid frame trucks in Southern Coastal Mine Stripping fleet of Namibia. The objectives of the research were achieved through direct observation and recording in a natural setting. The collected data were duration of various cycle loss times compone... Show More