methods of indonesia coal mining

Clean coal technologies in coal mining however are expected to gain significance in the future partly due to commercial relevance and Indonesia is expected to become heavily involved in that process being a major player in the coal mining sector

Central government collects land and property tax and corporate income tax while subnational governments can also collect taxes related to mining activities including taxes on motor vehicles heavy equipment use of underground water and on nonmetal minerals and

sectors to invest in coal mining industry especially in introducing new clean coal technology such as coal liquefaction and coal gasification • The government of Indonesian is committed to promote the application upgrading brown coal technology by coal industry in order to utilize abundant low rank coal in Indonesia

The mining method selected for exploitation is determined mainly by the characteristics of the coal deposit and the limits imposed by safety technology environmental concerns and economics

Coal is mined by two methods s urface or ‘opencast’ mining or underground or ‘deep’ mining The choice of mining method largely depends on the geology of the coal deposit Underground mining currently accounts for a bigger share of world coal production than opencast although in several important coal producing countries surface mining is more common

Coal mining Coal mining Choosing a mining method The various methods of mining a coal seam can be classified under two headings surface mining and underground mining Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods and the choice of which method to use in extracting a coal seam depends on many

Coal Mining Methods Coal Mining Methods Underground Mining Longwall Room and Pillar Mining Longwall mining and roomandpillar mining are the two basic methods of mining coal underground with roomandpillar being the traditional method in the United States Both methods are well suited to extracting the relatively flat coalbeds or coal seams typical of the United States

Apr 27 2020 · Transporting coal Coal can be transported from mines and processing plants to consumers in several different ways Conveyors trams and trucks move coal around mines short distances from mines to consumers close to the mines or to other modes

Most coal seams are too deep underground for opencast mining and require underground mining which method currently accounts for about 60 of world coal production In deep mining the room and pillar or bord and pillar method progresses along the seam while pillars and timber are left