Honeycomb Chemical Filter – DRISORB™ Series
Macroporous desiccant-based fluted media with low pressure drop
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Macroporous desiccant-based fluted media with low pressure drop
Our Airgineers Can Help You Select The Right Product!
Contact Us
Macroporous Matrix Technology
High Structural Strength
High Chemical Impregnation
Customisable and Reliable
Bry-Air’s macroporous honeycomb matrix-based Chemical Filter, also known as a Honeycomb Air Filter, provides a high quantity of active chemical media for effective chemisorption. As a Gas Phase Filtration solution, it helps remove corrosive gases, odorous compounds, and airborne molecular contaminants. It can neutralise even ultra-low concentrations of gaseous contaminants. This technology efficiently removes contaminants from the air supply stream, including corrosive gases, odorous compounds, and volatile organic compounds (VOCs), making it ideal for Gas Phase Filtration applications in critical environments.
This Honeycomb Air Filter technology offers several advantages over conventional granular-packed bed filters and is suitable for a wide range of Gas Phase Filtration applications. A macroporous desiccant-based Honeycomb Matrix comprising a flat and corrugated sheet of active desiccant. The substrate is made of inorganic fibre media. It offers high efficiency and reliability for the removal of airborne molecular contaminants (AMCs) commonly found in industrial and commercial environments. This is designed for higher airflow, therefore, requiring a lower face area and a lower pressure drop. This also eliminates the requirement of the after-filter.
The Fluted Media Chemical Filter has a high “%” impregnation of Potassium Permanganate (typically 15 % of KMnO₄).
| Extruded Honeycomb Carbon Filter | Formed Honeycomb Chemical Filter |
| Very fragile | Very high structural strength |
| Limited mainly to active carbon | Available with choices of oxidizing agents, alkaline solutions |
| Limited bulk density | High Bulk density |
| Limited impregnate loading | Impregnate loading is often 3-5 times what can be put on an extruded carbon honeycomb |
| Not impregnated with permanganate | Can be impregnated with permanganate, hydroxides, phosphoric acid, bicarbonates |
| High-pressure drop | Low-pressure drop |
| High footprint | Low footprint |
| Low adsorption capacity | Very high adsorption capacity |
| Shorter meantime between replacement | Longer meantime between replacement (MTBR) |
| 125 FPM face velocity | 400 – 600 FPM face velocity |
| Less efficient | More efficient |
| Uses more power and energy | Use low energy |
| Large size of chemical filter | Reduced size of chemical filter equipment |
| Cannot be treated with antibacterial agents | Can be made bactericidal |
DRISORB™ is a high-performance Chemical Filter designed for Gas Phase Filtration applications where protection from corrosive gases and airborne molecular contaminants is critical.
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Parameters
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DRISORB™ 508
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DRISORB™ 508 Blend
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DRISORB™ 515
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DRISORB™520
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DRISORB™ 525
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Bulk Density
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0.4 – 0.5 g/cc
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0.4 – 0.5 g/cc
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0.3 – 0.4 g/cc
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0.3 – 0.4 g/cc
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0.3 – 0.4 g/cc
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Moisture Content
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20% -25%
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20% -25%
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20% -25%
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2% max
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20% -25%
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Shape & Size
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Honeycomb and customised
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Honeycomb and customised
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Honeycomb and customised
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Honeycomb and customised
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Honeycomb and customised
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Suitable for (gases)
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H2S, SO2, NOx, HCHO
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H2S, SO2, NOx, VOCs
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H2S, SO2, Cl2
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VOCs
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NH3
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Temperature
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-20 to 50 °C
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-20 to 50 °C
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-20 to 50 °C
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-20 to 50 °C
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-20 to 50 °C
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% RH
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10% – 95%
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10% – 95%
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10% – 95%
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10% – 95%
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10% – 95%
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Testing Procedure
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STP
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STP
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STP
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STP
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STP
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Impregnation
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>15%
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6% – 8%
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5% – 6%
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–
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8% – 10%
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Impregnant
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KMnO4
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KMnO4
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KOH
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–
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H3,PO4
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# All data subject to change without notice
STP: Standard Test Procedure
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DRISORB™ 508
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DRISORB™ 508 Blend
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DRISORB™ 515
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DRISORB™ 520
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DRISORB™ 525
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| An UL certified, ‘in-situ’ synthesized, macroporous desiccant honeycomb matrix based chemical filter impregnated with Potassium Permanganate (KMnO4) for effective removal of various contaminants | An ‘in-situ’ synthesized/ deposited desiccant (insoluble metal silicate and activated carbon) honeycomb matrix based chemical filter impregnated with Potassium Permanganate (KMnO4) for effective removal of various contaminants | An ‘in-situ’ synthesized/ deposited desiccant (insoluble metal silicate and activated carbon) honeycomb matrix impregnated with Potassium Hydroxide (KOH) | An ‘in-situ’ synthesized/ deposited desiccant (insoluble metal silicate and activated carbon) honeycomb matrix for effective removal of VOCs | An ‘in-situ’ synthesized/ deposited desiccant (insoluble metal silicate and activated carbon) honeycomb matrix impregnated with Phosphoric Acid (H3PO4) |
Bry-Air Desiccant Formed Honeycomb Chemical Filters are key components of Bry-Air Gas Phase Filtration systems used both in commercial and industrial applications. They remove airborne contaminants, eliminate odour and reduce downtime by removing toxic/corrosive gases through the process of adsorption and chemisorption, thereby maintaining human and hardware health.
Bry-Air Gas Phase Filtration systems are used across various industries in their critical rooms and help achieve G1 conditions following ANSI/ISA-71.04-2013 standards. These industry includes:
A honeycomb structure provides a large surface area for interaction between contaminated air and chemical media while allowing air to pass through multiple channels. This makes honeycomb chemical filters suitable for applications requiring effective gas filtration with controlled pressure drop.
The size, number and configuration of honeycomb channels influence airflow resistance. Properly designed DRISORB™ honeycomb chemical filters can provide effective gas-phase filtration while maintaining suitable pressure-drop characteristics.
Honeycomb chemical filtration can provide a large active surface area and an airflow-friendly structure. This makes honeycomb gas-phase filters useful for HVAC, industrial air-handling and electronic corrosion-control applications.
Honeycomb media may be considered when the application requires a compact filter configuration, controlled pressure drop or integration into an existing air-handling system. The choice between honeycomb and granular chemical media depends on airflow, contaminant characteristics and system design.
Filter depth influences the amount of active media available and the interaction between contaminated air and the chemical media. Appropriate DRISORB™ filter depth should therefore be selected according to airflow and contaminant requirements.
Filter sizing should consider airflow, face velocity, contaminant concentration, required removal performance, available installation space, pressure drop and expected media life. Correct sizing is essential for effective honeycomb chemical filtration.
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