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  2. Ombilin Coal Mine - Wikipedia

    en.wikipedia.org/wiki/Ombilin_Coal_Mine

    The Ombilin Coal Mine (formerly PT Tambang Batubara Ombilin (TBO)) is a coal mine near Sawahlunto, West Sumatra, Indonesia.It is located in a narrow valley along the Bukit Barisan mountains, among the Polan, Pari, and Mato hills, approximately 70 kilometres (43 mi) northeast of Padang.

  3. Batubara Regency - Wikipedia

    en.wikipedia.org/wiki/Batubara_Regency

    Batubara Regency is a regency on North Sumatra's eastern shoreline, with the town of Limapuluh as the seat of its administration. It was carved out from the seven most westerly coastal districts of Asahan Regency with effect from 15 June 2007.

  4. Tanjung Bara - Wikipedia

    en.wikipedia.org/wiki/Tanjung_Bara

    Tanjung Bara itself has a fair tidal range from 4.4 to 2.8 meters (14.4–9.2 feet). The channel leading to the port has a higher draft allowed of 25 meters (82 feet). While the stockpile on the jetty can store up to 1.25 metric tons (1.38 short tons) of coal, each of the quadrant type loaders is capable of loading at a rate of 4,200 metric ...

  5. Coal - Wikipedia

    en.wikipedia.org/wiki/Coal

    Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. [1]

  6. Coal-fired power station - Wikipedia

    en.wikipedia.org/wiki/Coal-fired_power_station

    Coal is delivered by highway truck, rail, barge, collier ship or coal slurry pipeline.Generating stations are sometimes built next to a mine; especially one mining coal, such as lignite, which is not valuable enough to transport long-distance; so may receive coal by conveyor belt or massive diesel-electric-drive trucks.

  7. Lignite - Wikipedia

    en.wikipedia.org/wiki/Lignite

    Lignite (derived from Latin lignum meaning 'wood'), often referred to as brown coal, [1] is a soft, brown, combustible sedimentary rock formed from naturally compressed peat.It has a carbon content around 25–35% [1] [2] and is considered the lowest rank of coal due to its relatively low heat content.

  8. Batu Hijau mine - Wikipedia

    en.wikipedia.org/wiki/Batu_Hijau_mine

    Haul trucks at the Batu Hijau mine. Batu Hijau is an open-pit mine. Ore is removed from the mining face using P&H 4100 electric shovels and loaded into Caterpillar 793C haul trucks (pictured). Each haul truck can move a payload 220 t (240 short tons) of ore. The trucks haul ore from the shovel to primary crushers.

  9. Adaro Energy - Wikipedia

    en.wikipedia.org/wiki/Adaro_Energy

    PT Adaro Energy Indonesia Tbk is an Indonesian coal mining company, the country's second-largest by production volume and largest by market capitalisation. In the 2023 Forbes Global 2000, Adaro Energy was ranked as the 1393th-largest public company in the world. [1]