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For bituminous coal, the elemental composition on a dry, ash-free basis of 84.4% carbon, 5.4% hydrogen, 6.7% oxygen, 1.7% nitrogen, and 1.8% sulfur, on a weight basis. [40] This composition reflects partly the composition of the precursor plants. The second main fraction of coal is ash, an undesirable, noncombustable mixture of inorganic minerals.
Coal mining produced almost 4 million tonnes of coal in 2014, of which 44% was exported. [75] In 2016 it was down to 2,834,956 tonnes, [ 76 ] very similar to production in 2020. [ 77 ] New Zealand coal reserves are in excess of 15 billion tonnes, mainly in Waikato , Taranaki , West Coast , Otago and Southland . [ 75 ]
Abdul Somad was born on 18 May 1977 in Silo Lama, a village in Asahan Regency, North Sumatra, as the son of Bakhtiar and Rohana. [9] [10] From the mother's side, he is descended from Sheikh Abdurrahman, nicknamed Tuan Syekh Silau Laut I, a Sufi scholar of the Shattari Order who was born in Rao, Batu Bara.
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 ...
On the verge of his 99th birthday, film legend Dick Van Dyke said he's not afraid to die.. The Emmy-winning actor starred in Coldplay's new music video for the track "All My Love," in which Van ...
The time has come for the SEC’s fans, its media machine and especially its commissioner to fess up to the reality that has simmered under the surface this entire college football season.
NFL teams are spending big on quarterbacks. Stacker compiled a list of QBs with a $200 million contract using data from Spotrac.
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 .