Coal: The Black Treasure
Definition Coal is a combustible black or brownish-black sedimentary rock, primarily composed of carbon along with hydrogen, oxygen, nitrogen, and sulfur, typically formed alongside earthy impurities underground.
History Humans have been using coal as a fuel source since ancient times. With the advent of the Industrial Revolution, coal consumption surged, becoming a primary energy source.
Applications
大地矿产资源有限公 司
Coal
Export
Domestic
PT.HARTA BUMI RESOURCES
Marketing
& SALES
The company produces a range of sub-bituminous coal. Additionally, it also manufactures several types of bituminous coal.
These coals are primarily used for power generation. Apart from that, they are also utilized in cement production and various other general industries domestically and internationally.
Due to competitive advantages in transportation, the company's coal has a wider market penetration among customers in the Pacific region.
The coal is mainly exported to utilities and industrial sectors in Japan, Taiwan, Hong Kong, Malaysia, Korea, China, and India. Additionally, sales to Thailand, the Philippines, Vietnam, and other Asian destinations are increasing.
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LOADING TIME‘
The typical loading time for a geared handymax (50,000 MT +/-10%) is around 4 days,
A gearless panamax (60,000 MT +/-10%) is around 1.5 days and
A capesize (100,000 MT +/-10%) is around 3.5 days.
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Coal
Distribution
Quality-
Control
Consistency of quality is a high priority in the production process. A number of Quality Control safeguards have been designed in the system to ensure that the coal produced is homogenous and consistent in quality with customer specifications.
The first step is the initial testing and identification of the coal seam quality before mining even begins. After removal of overburden and before coal is extracted, channel samplings are carried out to that ensure the coal is of the expected quality. After extraction, a few rounds of samplings are taken along the coal processing and handling facilities. If all is consistent, coal will then be loaded to the barges and another stage of sampling, using another mechanical sampler, will be carried out to assess the quality of the shipment. Production simulations are constantly being updated, providing an accurate quality forecast for coal productions of future shipments.
A private on-site laboratory, managed by an independent surveyor, ensures that sufficient resources and attention are dedicated towards the constant monitoring of quality planning, quality controls and shipment analysis.
HBR coal is coated with surfactants in order to minimize dust contamination and mitigate the risk of spontaneous combustion, which if not properly handled, can be a potential hazard of Indonesian coal due to its high Volatile Matter.