Since the mid 1990’s Indonesian coal mining in Indonesia has developed significantly. The World Coal Institute gauges that in 2008 Indonesia mined 246 million tons of coal with a little more than 200 millions tons of this traded. 2008 coal sends out involved 173 million tons of steam coal and 30 million tons of coking coal. In 2009, Indonesia was the world’s second biggest coal exporter behind Australia and is a significant provider to Asian nations.
The Specifications For Indonesian COAL Are As Below:
| Indonesian High CV Coal | |
| Characteristics | Typical Value |
| Total Moisture, wt% (ARB) | 26 to 28 % |
| Sulphur, Air Dry basis % | < 0.7% |
| HGI | 50 to 70 |
| Ash content, wt % | 5 to 7% |
| Volatile Matter, VCM, wt% | 38 to 42% |
| Fixed Carbon | 40 to 44% |
| Gross Calorific Value HCV, kcal/kg (ADB) | 5800 to 6200 Kcal/Kg |
| Gross Calorific Value HCV, kcal/kg (ARB) | 4800 to 5300 Kcal/Kg |
| Sizing Distribution | 0x150 mm |
| Indonesian Low CV Coal | |
| Characteristics | Typical Value |
| Total Moisture, wt% (ARB) | 36 to 40% |
| Sulphur, Air Dry basis % | < 0.7% |
| HGI | 50 to 70 |
| Ash content, wt % | 5 to 7% |
| Volatile Matter, VCM, wt% | 38 to 42% |
| Fixed Carbon | 40 to 44% |
| Gross Calorific Value HCV, kcal/kg (ADB) | 5200 to 5600 Kcal/Kg |
| Gross Calorific Value HCV, kcal/kg (ARB) | 3200 to 4300 Kcal/Kg |
| Sizing Distribution | 0x150 mm |