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BRYSORB™ Chemical Granular Media Cassettes

Advanced Gas Phase Filtration Media for Industrial & Commercial Air Purification

DRI’s BRYSORB™ Chemical Granular Media Cassettes are engineered to deliver highly effective removal of corrosive, toxic, and odorous gaseous contaminants commonly found in industrial and commercial environments. Designed for use in V-bank cassettes and cartridge filters, BRYSORB media provides reliable gas-phase filtration with consistent, long-lasting performance.

As part of the Pahwa Group, DRI is the only vertically integrated manufacturer in India capable of producing both gas-phase filtration systems and chemical filtration media under one roof. This ensures complete quality control—from raw materials to finished filtration solutions.

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Technical Specifications

Advanced Granular Media Technology

The BRYSORB™ series consists of high-quality pellets and beads, manufactured in India and engineered for safe, efficient, and predictable gas removal. The media combines activated alumina and activated carbon, impregnated with carefully selected chemicals such as potassium permanganate (KMnO₄), phosphoric acid (H₃PO₄), and potassium hydroxide (KOH) to target specific gaseous contaminants.

This specialised impregnation allows the media to chemically neutralise harmful gases rather than simply adsorbing them—ensuring higher efficiency and longer service life.

BRYSORB™ Media Grades & Applications

BRYSORB™ 508

  • UL-certified activated alumina
  • Specially impregnated for effective removal of sulphur oxides, hydrogen sulphide, ethylene, and aldehydes
  • Ideal for industrial and process air applications

BRYSORB™ 508 Blend

  • Optimised blend of BRYSORB 508 and BRYSORB 520
  • Designed for broad-spectrum removal of ozone (O₃), hydrogen fluoride (HF), and various VOCs
  • Suitable for high-sensitivity environments

BRYSORB™ 515

  • UL-certified combination of activated alumina and activated carbon
  • Effective against chlorine and sulphide compounds
  • Suitable for chemical processing and utility areas

BRYSORB™ 520

  • High-performance chemical media for controlling nitrogen oxides, ozone, formaldehyde, and multiple VOCs
  • Ideal for odour control and corrosion prevention

BRYSORB™ 525

  • Special-grade impregnated activated carbon
  • Designed for efficient removal of ammonia (NH₃)
  • Commonly used in refrigeration, wastewater, and industrial facilities

Key Advantages of BRYSORB™ Granular Media Cassettes

  • Targeted gas removal through chemical impregnation
  • High adsorption capacity with consistent performance
  • Suitable for V-bank and cartridge filter configurations
  • Easy to install, replace, and maintain
  • Manufactured in a UL-compliant process
  • Proven reliability in demanding industrial environments
  • Custom media selection based on application-specific contaminants

Typical Applications

  • Industrial plants and process facilities
  • Chemical and petrochemical industries
  • Wastewater treatment plants
  • Data centres and electronics manufacturing
  • Airports, laboratories, and clean environments
  • Commercial buildings requiring odour and corrosion control

BRYSORB™ Chemical Granular Media Cassettes

  • Targeted Gas Removal. Proven Chemistry. Reliable Performance.

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World-Leading Expertise You Can Trust

DRI is proud to be the world’s largest manufacturer of desiccant-coated aluminum substrate energy recovery wheels, with over 25 years of global installation experience.

Our EcoFresh wheels are installed in some of the most iconic buildings worldwide, delivering proven performance and reliability.

DRI offers the highest recovery enthalpy wheels in the industry, featuring aluminum substrates coated with advanced desiccants. These wheels can be integrated into Fresh Air Handling Units (FAHU), Energy Recovery Ventilators (ERVs), or supplied as standalone ducted units, depending on project requirements.

Certified Performance & Global Compliance

All DRI energy recovery wheels are fully certified, with certifications from Eurovent and the AHRI program available. Certification details can be accessed through our website, catalogues, or provided upon request.
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