Description of Anthracite

Anthracite is the highest rank of coal, distinguished by its very high carbon content, low volatile matter, and hard, glossy appearance. It is often called hard coal due to its density and durability.

Key Characteristics

  • Carbon content: ~86–98%
  • Moisture & volatiles: Very low
  • Ash & sulfur: Lower than other coal types (depending on source)
  • Appearance: Black, shiny, and compact
  • Burning behavior: Clean-burning, high heat output, minimal smoke and soot

Key Applications of Anthracite

  1. Steel & Metallurgical Industry
    Used as a carbon additive (carburizer) in steelmaking and foundries to adjust carbon levels and improve metal quality.
  2. Industrial Fuel
    Applied in high-temperature furnaces, kilns, and sintering plants due to its high calorific value and clean combustion.
  3. Water Treatment & Filtration
    Processed anthracite serves as an effective filter media in drinking water, wastewater, and industrial water treatment systems because of its hardness, uniform grain size, and low impurities.
  4. Power Generation (Specialized Use)
    Used in small-scale or specialized power plants where clean-burning solid fuel is required.
  5. Residential & Commercial Heating
    A premium fuel for space heating, valued for low smoke, low ash, and steady heat output.
  6. Chemical & Carbon Products
    Utilized in producing activated carbon and other carbon-based materials.
  7. Gasification & Energy Processes
    Employed in certain coal gasification and advanced energy applications due to its high fixed carbon content.

Key Applications of Anthracite in Water Purification

  • Rapid Gravity & Pressure Filters
    Anthracite is widely used as a filter media in rapid gravity and pressure filtration systems to remove suspended solids, turbidity, and fine particulates from raw water.
  • Multimedia Filtration Systems
    Commonly applied as the top layer in multimedia filters (with sand and garnet). Its lighter density and larger grain size allow higher flow rates and deeper filtration, improving overall efficiency.
  • Drinking Water Treatment Plants
    Used in municipal potable water systems to enhance clarity and meet drinking water quality standards.
  • Wastewater Treatment
    Effective in secondary and tertiary treatment stages to polish effluent by removing remaining solids before discharge or reuse.
  • Industrial Water Treatment
    Applied in cooling water, boiler feed water, and process water systems to protect equipment from fouling and scaling.
  • Pre-Treatment for Membranes
    Serves as a pre-filtration media before RO, UF, or NF membranes, reducing fouling and extending membrane life.

Anthracite

Packing of Anthracite

Jumbo Bags (Big Bags)

  • Net weight: 500 kg / 1,000 kg
  • Material: PP woven fabric
  • Features: Moisture-resistant, suitable for sea and land transport

Small Bags

  • Net weight: 20 kg / 25 kg / 40 kg
  • Material: PP woven or laminated bags

Bulk Packing (Loose / Break Bulk)

  • Loading: Directly into containers or trucks

Anthracite Supplier by Zumrut International Kimya

Zumrut International Kimya is a reliable supplier of high-quality anthracite for water purification, industrial, and metallurgical applications. With strong sourcing capabilities and strict quality control, Zumrut provides anthracite that meets international technical standards and project requirements.

Our anthracite is characterized by high fixed carbon, low ash and volatile matter, low moisture, and uniform particle size, ensuring excellent filtration performance, long service life, and stable operation in water treatment systems.

Technical Data Sheet of Anthracite

Parameter Specification
Particle Size 0.5 – 2.8 mm
Fixed Carbon (Dry & Ash-Free Basis) > 89%
Ash Content < 7%
Volatile Matter < 4%
Moisture Content < 4%
Bulk Density (kg/m³) 800 – 920

 

Anthracite

Technical Data Sheet of Anthracite