High ash content in some varieties can cause "slagging" (molten ash buildup) in boilers.
Features high volatile content (up to 46%), which makes it easier to ignite but also produces more smoke and soot than anthracite. Key Applications bituminous coal
As an industrial and domestic fuel, is the most widely used variety of coal due to its high heating value and versatility. Often referred to as "soft coal," it is the middle rank between low-grade lignite and high-grade anthracite. Performance & Energy Profile High ash content in some varieties can cause
Extensively burned in thermal power plants to generate steam. bituminous coal
More efficient than lignite or sub-bituminous coal.
The most widely available coal type globally.
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