Product Overview
Coconut shell granular carbon CFV 4×8 is a coconut shell granular carbon air filtration grade manufactured through carbonization and high-temperature steam activation.
Designed for vapor-phase applications, it effectively adsorbs trace organics, odor compounds, hydrogen sulfide, mercaptans, and sulfides. The coarse 4×8 mesh particle size provides low flow resistance while maintaining high adsorption capacity, making it ideal for large-scale air handling and gas purification systems.
Key Application Areas
- Industrial VOC Treatment: Captures volatile organic compounds and solvent vapors from manufacturing exhaust streams, helping facilities meet emission regulations and protect worker health.
- Home & Commercial Air Purification: Removes indoor odors, formaldehyde, and airborne contaminants in HVAC systems and standalone air purifiers, improving indoor air quality.
- Biogas Upgrading: Adsorbs siloxanes, hydrogen sulfide, and trace organics from anaerobic digester gas, protecting downstream engines and enabling pipeline injection.
- Natural Gas Treatment: Removes odorants, trace hydrocarbons, and sulfur compounds from natural gas streams, ensuring pipeline quality and cryogenic equipment protection.
- Catalyst Carrier Applications: Provides high-purity support media for precious metal catalysts in chemical and petrochemical processes, leveraging its low ash and consistent 4×8 sizing.
Specifications
| Technical Specifications | CFV 4×8 | Unit |
| CTC price | > 50 | % -wt |
| Moisture content | < 10 | % -wt |
| Ash content | < 5 | %-wt |
| Intensity | > 95 | % |
| Size size> 4 mesh (4.75 mm) | < 10 | %-wt |
| Grain size < 8 mesh (2.36 mm) | < 5 | %-wt |
Available particle size
- 6×12 Mesh (1.4 ~ 3.35 mm)
- 30×70 Mesh (0.215 ~ 0.6 mm)
Packaging
- The 20 kg / Package
- The 500 kg / Package
Key Advantages
- Low Pressure Drop Performance: The coarse 4×8 mesh minimizes flow resistance, reducing fan energy consumption and allowing smaller blower specifications in large air handling systems.
- High Hardness & Low Dust: >95% strength ensures minimal attrition during filling, operation, and emptying, improving workplace safety and protecting downstream equipment.
- Uniform Gas Distribution: Consistent particle size promotes even flow across the bed cross-section, preventing channeling and maximizing contact efficiency.
- Versatile Vapor-Phase Capability: Broad-spectrum adsorption handles VOCs, sulfur compounds, and odors in a single bed, simplifying system design and reducing capital costs.
How CFV 4×8 Enables Coconut Shell Granular Carbon Air Filtration
Vapor-phase contaminants such as VOCs, hydrogen sulfide, and mercaptans move rapidly through air streams in large-scale HVAC, biogas, and industrial air handling systems. CFV 4×8 solves flow resistance challenges through optimized coconut shell granular carbon air filtration geometry. The coarse 4×8 mesh pellets provide an ideal balance: large enough to minimize flow resistance and promote even gas distribution across the bed cross-section, yet porous enough to deliver effective physical adsorption.
The coconut shell base develops a natural micropore structure that captures organic vapors and sulfur compounds through van der Waals forces. In HVAC and industrial air purification systems, this means efficient VOC and odor removal with lower fan energy consumption compared to finer mesh configurations. In biogas upgrading, the low pressure drop allows higher flow rates while still removing siloxanes and hydrogen sulfide. The result is high-capacity vapor-phase treatment optimized for deep-bed systems where handling convenience and low energy demand are prioritized.
CFV 4×8 vs Fine-Mesh and Coal-Based Gas-Phase Carbons
Fine-mesh distributions such as CTC-100 30×60 mesh maximize surface area per unit volume with rapid kinetics, while increased pressure drop characteristics may require larger blower specifications in high-flow systems. Coal-based columnar grades such as P-80 and PL series offer economical gas-phase performance with engineered extrusion geometry and distinct hardness and ash profiles compared to coconut shell grades.
CFV 4×8 delivers a unique balance as a coconut shell granular carbon air filtration solution optimized for deep-bed systems. The 4×8 coarse mesh minimizes pressure drop and energy consumption while the natural coconut shell structure delivers >95% hardness and low dust, supporting reliable handling and long-term bed stability. Compared to fine-mesh CTC-100, CFV 4×8 trades some surface area per volume for lower flow resistance, making it the preferred choice for large HVAC, biogas, and natural gas treatment systems. Choose fine-mesh grades for rapid kinetics in small vessels; select CFV 4×8 for deep-bed air filtration where low pressure drop and easy handling are prioritized.