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Results 1 - 10 of 135 for Coal
  • Article - 18 May 2012
    Coal has been a major source of energy in the world since its discovery in the early 18th century.
  • Article - 6 May 2013
    Pyrite is a key mineral present in most coal, which contains different amounts of sulfur based on how much iron and sulfur combined in the peat.
  • Article - 26 Jul 2018
    Since its introduction around 4,000 years ago, coal – a naturally occurring combustible solid – has been utilized as a fuel source for heating and cooking and, in more recent times, for the generation...
  • Article - 14 Nov 2019
    Measuring the gas content present within coal samples plays an important role in determining the safety of a mine. Typically, the gas content of coal is assessed through a direct measurement method.
  • Article - 13 Oct 2017
    The main countries around the world that produce coal include China, the United States, India, Australia and Indonesia. The successful mining of coal allows for the extraction of iron ore.
  • Article - 15 Nov 2017
    Within the earth’s crust, radioactive elements such as uranium (U) and thorium (Th) exist; creating a field of radiation that can vary depending upon the specific location’s geology.
  • Article - 17 Oct 2017
    The high energy density of rechargeable lithium ion (Li-ion) batteries allow for enhanced storage capabilities and longer runtimes, making this technology one of the most popular options for portable...
  • Article - 23 May 2013
    Strongwell was approached by American Electric Power (AEP) of Columbus, Ohio in September 1993 for an optional conveyor drip pan. Fabricated drip pans were used for replacing 1,700 lineal feet of...
  • Article - 6 May 2013
    When coal is mined, processed and burnt, process monitoring and control are critical in order to achieve efficient and quality final product.
  • Article - 13 Oct 2017
    Throughout history, coal-mining explosions have accounted for the deaths of thousands of workers as a result of the combustion of either methane gas or coal dust within the mine.