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Pandu Patria Sjahrir. Pandu Patria Sjahrir (born in Boston, Massachusetts, 17 May 1979) is one of Indonesia's leading coal mining entrepreneurs. [1] He is the director of Toba Bara Sejahtera, a company engaged in coal mining industry.
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]
Werner Sombart (/ ˈ v ɜːr n ər ˈ z ɒ m b ɑːr t /; German: [ˈzɔmbaʁt]; 19 January 1863 – 18 May 1941) was a German economist, historian and sociologist.Head of the "Youngest Historical School," he was one of the leading Continental European social scientists during the first quarter of the 20th century.
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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 ...
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.
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.
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.