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These elements consist of a porous activated carbon medium fixed to a supportive substrate, designed to adsorb dissolved organic compounds, chlorine, and volatile substances from liquids or gases.
Request a QuoteThese elements consist of a porous activated carbon medium fixed to a supportive substrate, designed to adsorb dissolved organic compounds, chlorine, and volatile substances from liquids or gases. The carbon surface provides a high specific area, typically ranging from 800 to 1 200 m²/g, which drives the adsorption capacity.
Adsorption occurs when contaminant molecules diffuse into the micropores of the carbon and are held by van der Waals forces. Performance is commonly expressed by iodine number, which reflects the amount of iodine adsorbed from a standard solution and correlates with the surface area available for small molecules.
Additional parameters such as ash content, moisture level, and bulk density influence pressure drop and service life. The elements are manufactured to maintain a consistent pore size distribution, ensuring predictable breakthrough curves in continuous operation.
The activated carbon is usually granular or powdered and bonded to a inert matrix. Common substrates include polypropylene non‑woven fabric, stainless steel mesh, or sintered polyethylene, selected based on chemical compatibility and mechanical strength requirements.
End caps are typically made of the same substrate material or of PVC, providing a seal that prevents bypass flow. The overall length and diameter can be adjusted to fit standard filter housings or custom vessels.
| Parameter | Typical Value | Unit | Test Method |
|---|---|---|---|
| Iodine number | 800 – 1 200 | mg/g | ASTM D4607 |
| Ash content | ≤ 5 | % | ASTM D2866 |
| Moisture content | ≤ 10 | % | ASTM D2865 |
| Bulk density | 0.4 – 0.5 | g/cm³ | ASTM D2854 |
| Pressure drop at 1 m/h | ≤ 0.05 | bar | Internal flow test |
In water treatment, the elements remove natural organic matter, pesticide residues, and chlorine byproducts, improving taste and reducing fouling of downstream membranes. The high adsorption rate allows short contact times, which is advantageous in high‑flow municipal systems.
For air purification, they capture volatile organic compounds, odors, and low‑level sulfur gases from ventilation exhaust or process streams. The non‑fibrous construction minimizes particle release, meeting cleanroom suitability criteria.
In chemical processing, they serve as guard beds for catalysts, protecting sensitive reactors from trace contaminants that could cause deactivation. The ability to withstand temperatures up to 80 °C (depending on substrate) enables use in warm solvent recovery loops.
Each lot undergoes iodine number testing to confirm adsorption capacity within the specified range. Pressure drop is measured at a defined flow rate to verify structural integrity and uniformity of the carbon bed.
Visual inspection checks for end‑cap sealing, substrate defects, and foreign particles. Dimensional tolerances are verified with calibrated calipers, and lot‑to‑lot variation is tracked using statistical process control.
Yes, outer diameter, length, and end‑cap style can be adjusted according to the housing drawing or specification provided by the customer.
The needed data include required flow rate, contaminant type and concentration, operating temperature and pressure, and any material compatibility constraints.
Stainless steel 316L and polyethylene substrates are offered for applications involving aggressive chemicals or high humidity.
Each batch is accompanied by a test report showing iodine number, ash content, moisture level, and pressure drop results, ensuring conformity to the agreed specification.
To receive a formal quotation or request a sample, please share your application details, required dimensions, and any performance targets via the contact form. Our engineering team will review the information and respond with a technical proposal and lead time.
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