Thermax’s Air Pollution Control business leads with the simple belief: while pollutants may be inevitable, pollution is not.
The business delivers advanced solutions for particulate and gaseous emission control from bag filters and electrostatic precipitators (ESPs) to scrubbers and flue gas desulphurisation (FGD) systems, along with biogas and hydrogen purification & upgradation technologies, ensuring cleaner air, greener energy, and regulatory compliance.
50+
Years of expertise
90+
Million m³/hour air cleaned annually
35,000+
Installations worldwide
50+
Types of dust and gaseous pollutants handled

Electrostatic Precipitator (ESP)
- Available in dry and wet types
- Captures 100+ types of particulate matters
- Continuous operation with minimal maintenance requirements
- Fully automatic DSP-based controller with power optimisation
- Double-spiked rigid discharge electrodes
- Specially designed self-stiffened collecting electrodes
- Equipped with a Thermax impulse gravity impact (TIGI) top rapping system and a tumbling hammer–based bottom rapping mechanism for efficient and reliable ash dislodging

Bag House/Bag Filters
- Pulse jet fabric filters online and offline design offerings with patented pulsing technology
- Low compressed air pressure and consumption
- Low range of operating differential pressure
- Varied bag length available from 1 - 12 metres
- Suit to site design
- Designed in compliance with NFPA (National Fire Protection Association) guidelines

Combofilter
- Enables system upgrade that ensures compliance with revised emission norms without the need for additional space requirements
- Low compressed air pressure and consumption
- Lower differential pressure across the system
- Ensures optimum use of the allied system

Scrubber
- High collection efficiency for small and sub-micronic particles
- Custom built units capable of handling high gas volumes
- Designed to handle high pressure drops
- High system tolerance for fluctuating gas volumes
- Uniform water distribution, avoiding hotspots and reducing abrasion

Thermax Ne0 - Gas Enrichment Solutions
- Biogas purification and upgradation technologies
- VPSA (vacuum pressure swing adsorption) for high-purity biogas with low energy consumption
- PSA (pressure swing adsorption) for reliable and proven gas separation performance
- Membrane scrubbing systems for compact and flexible biogas upgradation
- Hydrogen purification systems for producing high-purity hydrogen suitable for industrial applications
Thermax offers comprehensive support across the product lifecycle that extends beyond brand boundaries.
Spare parts management for all air pollution control equipment
Conditional assessment/health check-up, troubleshooting of equipment
Design engineering services, including efficient gas distribution (CFD analysis)
Optimisation studies and performance audits
Remote assistance / Virtual technical support (VTS)
Annual maintenance contract (AMC)
Annual service contract (ASC)
Overhauling and repairs
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