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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 .
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.
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.
In industrial chemistry, coal gasification is the process of producing syngas—a mixture consisting primarily of carbon monoxide (CO), hydrogen (H 2), carbon dioxide (CO 2), methane (CH 4), and water vapour (H 2 O)—from coal and water, air and/or oxygen.
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]
The Batu Hijau mine is an open pit copper-gold mine operated by PT. Amman Mineral Nusa Tenggara (previously known as PT Newmont Nusa Tenggara).The mine is the second largest copper-gold mine in Indonesia behind the Grasberg mine of PT.
According to Sahril (2007:156), Tamiang Malay is grouped with several other varieties of Malay on the east coast of Sumatra, namely Langkat, Deli, Serdang, Batubara, Asahan, Kualuh, Panai, and Bilah. [9] Several opinions suggest that the Tamiang Malay community originated from the immigration of Malays from Langkat, Penang, and Langkawi.
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]