COAL
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Country Of Origin : India
Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon, hydrogen, and oxygen. It forms from the remains of ancient plants that were buried and subjected to high pressure and heat over millions of years
Coal is a combustible black or brownish-black sedimentary rock composed mostly of carbon, hydrogen, and oxygen. It forms from the remains of ancient plants that were buried and subjected to high pressure and heat over millions of years.
🔍 Main Types of Coal (Ranks):
Coal is classified by rank, based on carbon content and energy output:
Anthracite – Highest carbon content (~86–97%), hard, shiny, burns clean and hot.
Bituminous – Most common type, used for electricity and steel production.
Sub-bituminous – Lower carbon content, mainly used for electricity.
Lignite (Brown coal) – Lowest carbon, high moisture, least energy-efficient.
🌍 Major Coal Producers:
China (largest producer and consumer)
India
United States
Indonesia
Australia
⚙️ Uses of Coal:
Electricity generation (thermal power plants)
Steel manufacturing (coking coal used in blast furnaces)
Cement industry
Chemical production (coal tar, ammonia, methanol)
🏭 Environmental Concerns:
Major source of CO₂ emissions
Produces air pollutants (SO₂, NOx, particulates)
Mining impact: land degradation, water pollution
Transitioning to renewables is key in global climate strategy
