Gas Phase Filtration
Equipment
Since 1969, our expertise in engineering and manufacturing air filtration solutions — including advanced gas phase air filter systems — allows us to provide best-in-class resolutions for our customers. We design build-to-order systems with unique filtration solutions tailored to any environment.
Corrosion Control
Odor Control
Toxic Gas
Molecular Filtration
Purafil provides built-to-order filtration systems. From pleated filters to granular gas phase filtration media, we offer the widest range to remove over 230 types of pollutants, taking into consideration your airflow and pressure drop requirements.
Product Lineup
Drop In Filters
Modules
Molecular Media
Monitoring
We are a complete filtration solution. We believe in being Vigilant in assessing and monitoring the environment for air quality.
Product Lineup
Active Monitoring
Passive Monitoring
FAQs
What is Gas Phase Filtration and how does it work?
Gas Phase Filtration uses chemical adsorption and oxidation processes to eliminate gaseous pollutants from the air. A Gas Phase Air Filter contains activated carbon or impregnated media that react with harmful gases, converting them into harmless compounds for cleaner, safer air.
Which types of gases are harmful, and how does Gas Phase Filtration help remove them?
Common harmful gases include sulfur dioxide (SO₂), nitrogen oxides (NOx), ozone (O₃), formaldehyde, hydrogen sulfide (H₂S), ammonia, and volatile organic compounds (VOCs). Gas Phase Filtration neutralizes these gases through adsorption or chemical reaction, enhancing air quality and preventing corrosion in critical environments.
How is Gas Phase Filtration different from particulate filtration?
While particulate filters capture dust and solid particles, Gas Phase Filtration focuses on removing molecular-level gaseous contaminants. Both Gas Phase Air Filters and particulate filters can be combined to achieve comprehensive air purification and protect sensitive environments.
What factors influence the performance of a Gas Phase Air Filter?
Performance depends on contaminant type, gas concentration, airflow rate, humidity, temperature, and the chemical composition of the filter media. Optimized Gas Phase Filtration design ensures maximum gas removal efficiency and extended filter lifespan.
In which industries is Gas Phase Filtration essential?
Gas Phase Filtration plays a crucial role in industries such as petrochemical, semiconductor, data centers, chemical processing, refineries, pharmaceutical, commercial buildings, wastewater treatment, Pulp & Paper, Rubber & Tyre industries, Fertilizers, Metal & mining, Defence & Space Research Applications, Media House & Satellite Data Transmission, Power plant Control Rooms and agriculture. Gas Phase Air Filters in these sectors protect equipment from corrosion, maintain process stability, and ensure a safe working environment.