"Coal mining" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 46 of 50 - About 500 Essays
  • Powerful Essays

    Pad: 5000 Assignement One

    • 2091 Words
    • 9 Pages

    society and are responsible to make decisions that will promote the greater good of society as a whole. However; the political side is still something that public administrators have to contend with as well. This is evident in the mining incident that occurred at a prominent mining facility. In 1947‚ the blast at Centralia No. 5 in Illinois killed one hundred and eleven men. This disaster could have been easily prevented if the administrators who took an oath to protect and serve their community

    Premium Separation of powers Public administration Mining

    • 2091 Words
    • 9 Pages
    Powerful Essays
  • Satisfactory Essays

    The Energy-Saving ball mill is widely used in powder making production line in industries‚ like mining‚ building materials and chemistry industries. It is a key equipment to grind all kinds of ores and other materials. The cement ball mill is composed of feeding part‚ discharging part‚ turning part and driving part (reducer‚ small driving gear‚ electric motor and electric control). The quill shaft adopts cast steel part and the liner is detachable. The turning gearwheel adopts casting hobbing process

    Premium Cement Mining Gear

    • 322 Words
    • 2 Pages
    Satisfactory Essays
  • Better Essays

    Mineral Resources Limited (AMRL) in May 2009 with an objective of securing valuable mineral resources‚ such as coal for captive use. ACC Mineral Resources Limited has already entered into Joint Venture arrangements for prospecting‚ exploration and mining coal from the coal blocks in Madhya Pradesh and West Bengal. The company is also exploring other opportunities for securing additional coal and gypsum resources in India and

    Premium Subsidiary Subsidiary Mumbai

    • 956 Words
    • 4 Pages
    Better Essays
  • Satisfactory Essays

    flotation and so on‚ different ore suitable for different process. ore beneficiation plant type crusher‚ the toothed roller crusher is used widely‚ which is applicable to coal‚ metallurgy‚ mining‚ chemical industry‚ building materials industries are more suitable for large-scale coal mine and coal preparation plant raw coal (coal gangue) broken. Roll Crusher Tooth roller broken stone machine by a single or multiple motors drive the breaker on both sides of the pulley‚ turns teeth roll do relative

    Premium Mineral Metallurgy Ore

    • 331 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    which means they are non-renewable resources. We are using those 100 000 times faster than they are being made. When we use fossil fuels to get energy we get more than just energy. Greenhouse gases and air pollution are made too. The 3 main fuels are coal‚ oil and natural gas Nuclear power uses fission to produce energy. Nuclear fusion also has potential for energy production. Around 6% of the world’s energy and 14% of the world’s electricity is produced by nuclear power. Around 30 different countries

    Premium Coal Nuclear power Fossil fuel

    • 484 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Reaction Paper

    • 789 Words
    • 4 Pages

    effects of mining on the environment 1. It destroys forest and wetlands. 2. It may mean that you have to cut down lots of trees just to get to the spot that has all the gold or iron ore. 3. Many mine require tailings dams to prevent waste being washed into the rivers. Unethical miners can dispense with the dams‚ to save costs‚ resulting in massive pollution downstream. In other cases‚ the tailings dam can overflow‚ and even breach‚ during periods of heavy rain. 4. Underground coal mining

    Premium Mining

    • 789 Words
    • 4 Pages
    Good Essays
  • Better Essays

    gone. This is by no means a recent phenomenon. This is due to the effects of acid rock drainage (ARD). This is a problem that has been occurring since ancient times‚ but it was not until the 1800’s when fast growing industrialization and heavy mining that it caught a lot of attention. Acid rock drainage is the term used to describe leachate‚ seepage‚ or drainage that has been affected by the natural oxidation of sulfur minerals contained in rock which is exposed to air and water. The major

    Premium PH Carbon dioxide Acid

    • 1714 Words
    • 7 Pages
    Better Essays
  • Powerful Essays

    Caterpillar

    • 1952 Words
    • 6 Pages

    construction & mining equipment‚ diesel & natural gas engines‚ industrial gas turbines‚ and diesel-electric locomotives. It operates in five segments. The construction segment provides machinery‚ such as backhoe‚ loaders‚ small track-type tractors‚ and mini excavators for use in infrastructure and building construction projects. The resource segment provides business strategy‚ product design‚ management‚ development‚ manufacturing‚ and sales efforts for customers using machinery in mining and excavating

    Premium Peak oil Revenue Construction

    • 1952 Words
    • 6 Pages
    Powerful Essays
  • Powerful Essays

    Vitbachan

    • 5845 Words
    • 24 Pages

    BHP billinton BHP billinton 1>Introduction BHP Billiton is one of the largest diversified mining and natural resources companies in the world. According to the data provided by Google Finance‚ BHP is worth nearly $174 billion as of September 4‚ 2009 (see bibliography‚ BHP Billiton (ADR)‚ Google Finance). The revenues earned by the group in the fiscal year ending June 2009 BHPre more than $50 billion (see bibliography‚ BHP Billiton Fundamentals‚ LondonStockExchange.com)‚ which is higher than

    Premium BHP Billiton Rio Tinto Group Financial ratios

    • 5845 Words
    • 24 Pages
    Powerful Essays
  • Good Essays

    is a mining disaster that occurred when a gas combined with a coal-dust exploded in a mining site. Ultimately‚ the aftermath was flames of fire that engulfed the mining shaft (Yang 2). The mining site is located in the Chinese Lioning area in China that was under the control of the Japanese at the time of the accident. The Benxihu colliery explosion occurred on the 26th of April‚ 1942 where more than 1300 lives were lost. (2) The Person at Fault After the accident‚ the Japanese Mining Corporation

    Premium Mining Mining Ethics

    • 732 Words
    • 3 Pages
    Good Essays
Page 1 42 43 44 45 46 47 48 49 50