Anthracite coal
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商品資訊
Anthracite coal is a high-grade, hard type of coal known for its high carbon content and low impurities. It is often referred to as "hard coal" and is considered the highest rank of coal due to its superior properties.
Characteristics
- Carbon Content: Contains a high percentage of carbon, typically between 86% and 98%.
- Energy Content: Has a high energy content and calorific value, making it a very efficient fuel.
- Appearance: Typically shiny and black with a lustrous appearance. It has a hard texture and is dense compared to other types of coal.
- Volatile Matter: Has low volatile matter content, meaning it burns with a relatively clean flame and produces less smoke and ash.
Uses
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Energy Production:
- Heating: Used as a heating fuel in residential and commercial settings due to its high energy density and low smoke production.
- Electricity Generation: Employed in power plants to generate electricity, though less common than other types of coal due to its higher cost.
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Industrial Applications:
- Metallurgy: Used in some industrial processes where a clean, high-energy source is needed.
- Manufacturing: Employed in certain manufacturing processes that require high temperatures and clean-burning fuels.
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Residential and Commercial Heating:
- Stoves and Boilers: Often used in stoves and boilers designed for burning anthracite, providing efficient and clean heating.
Advantages
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High Efficiency:
- Due to its high carbon content and low volatile matter, anthracite coal provides a high energy output and burns more efficiently than other types of coal.
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Low Smoke and Ash:
- Produces minimal smoke and ash, making it a cleaner-burning fuel compared to bituminous and sub-bituminous coals.
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Long Burn Time:
- Burns slowly and steadily, offering longer burn times and consistent heat.
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Environmental Impact:
- Its clean-burning properties reduce the amount of air pollution compared to other coal types.
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