Aluminum Salts (solutions/mists) — properties & control
Phase
Aerosols / mists
Corrosivity
High (↑ with chloride)
Solubility
Water solutions (acidic)
Typical sources
Dosing tanks, pickling, chemical prep
Toxicity
low–moderate (irritant)
Flammability
not flammable
Chronic risk
low (non-Cr(VI))
Environmental
effluent Al / pH limits
| Aspect | Detail |
|---|---|
| Emission form | Acid mists/particulate droplets, not gas. |
| Droplet spectrum & demister | Sub-micron–few µm. Use HE chevron for ≥3–5 µm; add fiberbed for sub-micron capture. |
| Expected removal | ~90–>99.9% overall with correct selection (velocity, pads, two-stage). |
| Materials | FRP, PVC-C, PP; 316L only in chloride-limited service. Avoid carbon steel. |
*Indicative engineering ranges; verify with vendor curves and current SDS/standards.