United Enterprise Ltd. is one of the leading exporters of sub-bituminous coal for Indonesia's coal.
Indonesian coal production has increased in recent years, and Indonesia is currently the world's third largest exporter of steaming coal. United Enterprise Ltd. is one of the leading exporters of sub-bituminous coal which represents the bulk of Indonesian coal production. Our coal reserves and mining are situated in Kalimantan.United Enterprise Ltd. Produce coal with the highest carbon content is the best and cleanest type of coal to use, with detail as following:
Used almost exclusively for electric power generation lignite is a young type of coal. Lignite is brownish black, has a high moisture content and a high sulphur content. Lignite has a colorific value of less than 5 kw/kg approximately.
Subbituminous coal is also called black lignite. Subbituminous coal black and contains 20-30 % moisture. Subbituminous coal is used for generating electricity and space heating. Subbitumnious coal has calorific values ranging from 5 - 6.8 kW/kG approximately.
Bituminous coal is a soft, dense, black coal. Bituminous coal often has bands of bright and dull material in it. Bituminous coal is the most common coal and has a moisture content less than 20 %. Bituminous coal is used for generating electricity, making coke, and space heating.Bituminous coal has calorific values ranging from 6.8 - 9 kW/kG approximately.