Carbon Pellets

Carbon Pellets combine high surface area, chemical inertness, and tunable porosity, making them highly effective in adsorption, filtration, and catalysis applications. Produced in pelletized form for enhanced handling, density, and mechanical stability, these materials provide efficient packing in fixed-bed reactors and gas purification systems. Industries such as environmental engineering, energy, and chemical processing employ carbon pellets in carbon dioxide capture, biogas upgrading, and purification of process gases. Specific applications include activated carbon pellets from coconut shells for pressure swing adsorption (PSA) CO₂ removal in cryogenic air separation plants, carbon nanotube pellets for advanced composite manufacturing with improved safety and transportability, and carbon black pellets for incorporation into conductive polymers and pigments. Research demonstrates that optimizing pellet density and pore structure can significantly enhance adsorption kinetics and selectivity, while hybrid carbon formulations can extend service life in harsh industrial conditions. The combination of process efficiency, adaptability, and durability ensures carbon pellets remain essential in both sustainable technologies and high-performance industrial operations.

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Tolerance

Properties

Reference & Citations

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Tolerances

Pellets

Maximum Lump Size		Nominal

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	6
Crystal structure	Hexagonal/Diamond
Electronic structure	He 2s² 2p²
Valences shown	2, 3, 4
Atomic weight( amu )	12.011
Thermal neutron absorption cross-section( Barns )	0.0034
Photo-electric work function( eV )	4.8
Natural isotope distribution( Mass No./% )	12/ 98.89
Natural isotope distribution( Mass No./% )	13/ 1.11
Atomic radius - Goldschmidt( nm )	0.077
Ionisation potential( No./eV )	6/ 490
Ionisation potential( No./eV )	4/ 64.5
Ionisation potential( No./eV )	1/ 11.26
Ionisation potential( No./eV )	3/ 47.9
Ionisation potential( No./eV )	2/ 24.38
Ionisation potential( No./eV )	5/ 392

Mechanical Properties

Element	Value
Hardness - Mohs	0.5-1
Hardness - Mohs	10
Material condition	Diamond
Material condition	Graphite
Bulk modulus( GPa )	33
Bulk modulus( GPa )	542
Tensile modulus( GPa )	4.8

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	1375@0@0°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	0.7

Physical Properties

Element	Value
Boiling point( C )	5000
Density( gcm⁻³ )	2.25@20°C

Thermal Properties

Element	Value
Melting point( C )	3650
Specific heat( J K⁻¹ kg⁻¹ )	712@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	80-240@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	0.6-4.3@0-100°C