15/10/2024
When managing emissions, choosing between a scrubber/dispersion tank and a simple vent stack isn’t just about preference—it’s about safety, compliance, and performance. Here’s a breakdown of the key considerations:
🔧 Active vs Passive
Scrubbers are active systems that need to be fully functional with pumps and fans. Certification and proper testing are essential.
Vent stacks are passive, relying on natural dispersion. But they must be highly elevated to prevent ground-level contamination
⚠️ Emissions
Scrubbers may not be 100% effective. What happens to the rest?
Dispersion tanks may only hold water, but potentially they may become toxic and corrosive, needing secondary containment and proper placards.
Have you considered Stationary Tank compliance certificates?
🔥 Temperature Matters
Absorption processes can hit 65-70°C—is your tank rated for this heat?
Don’t forget level indicators - are they sealed and protected?
Secure manhole covers, confined space register?
pH monitoring with alarms for leaks or PSV activations.
🛑 Emergency Disposal Plans & Restart Procedures
If there's a release, who moves the waste? How fast can it be cleared so the plant can restart?
Does Aqueous Ammonia need an ERP?
Without the absorption water available can you start the plant without this - is it a safety critical element?
🌡️ Weather & Environment Challenges
In cold areas, how will you prevent freezing?
Tanks are a breeding ground for bacteria—how will you manage this?
💡 Neutralization
Most tank volumes are designed for 10% concentration per hour released? For reference, floor cleaners are 0.1%. Just a ten percent solution will pack a punch!
Whether you opt for a scrubber or a vent stack, solid engineering, certifications, monitoring, and proper signage are non-negotiable. Safety and compliance are the foundation for seamless operations. Stay prepared, stay compliant! 👷♂️📋
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