Product
Dry Resin
Key Features
that remove specific ions from the air.
Gas-phase chemical filters are generally used at industrial sites where odors and harmful gases are generated to remove AMC*, improving yields in ultra-precision electrical and electronic manufacturing processes such as semiconductors and OLEDs and protecting workers.
TRILITE® dry resin is a product optimized for various gas-phase chemical filters, and customized products can be supplied to maximize on-site workability and performance, including various ion types, particle sizes, and moisture levels, according to customer requests.
* AMC(Airborne Molecular Contamination)
The contamination of airborne molecules that can have harmful effects on the production process or on human health.
Gas Removal
Mechanism
Acid Gas Removal Mechanism of Ion Exchange Resins
The hydroxide ions (OH⁻) of the ion exchange resin neutralize acid gases such as
hydrochloric acid (HCl), hydrofluoric acid (HF), and sulfuric acid (H₂SO₄), forming salt and water and thereby removing the gas.
- Reaction pathway of Acid gas
-
-R-N-OH + HCl → -R-N-Cl + H2O
-R-N-OH + HF → -R-N-F + H2O
2(-R-N-OH) + H2SO4 → 2(-R-N-)SO4 + 2H2O
Acid Gas Removal Mechanism of Ion Exchange Resins
The sulfonic acid groups (-SO₃H) of the ion exchange resin react with base gases such as ammonia (NH₃) to remove them.
- Reaction pathway of Base gas
-
R-SO3H + NH4OH → R-SO3NH4 + H2O
Applicable
Areas
Product
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