Training Bulletin #61: Scrubber Systems Flashcards Preview

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Flashcards in Training Bulletin #61: Scrubber Systems Deck (8)
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1

What are scrubber systems?

Where contaminated air from various industrial processes are cleaned and dried before being exhausted into the atmosphere.

2

What do scrubber systems tell you?

That you are working above or around a vat or tank that contain vaporizing emissions of a hazardous nature.

3

A scrubber system may be installed for what type of chemicals?

- Corrosives
- Ammonia
- Sulfur Dioxide
- Oxides of Nitrogen
- Acid
- Caustics (Cause tissue destruction)
- Alcohol Vapors

4

Who is responsible to inspect these systems?

Air Quality Management District

5

What are the two types of ducting material you many find, and what does each indicated for?

-Fiberglass : Non flammable corrosive vapors
- Metal: Flammable vapors

6

How do scrubber systems work?

Evacuate air, put the contaminated air through a washer unit, and then dry it before exhausting to the atmosphere.

7

Where are the systems found in relation to buildings?

- Roof (most likely/smaller system)
- Ground level outside building (large systems)

8

What are the types of systems and how does each function?

1. Water Wash: Method- Particulate absorption, used for paint spraying operations.
2. Filtration: Method- Charcoal absorption used for vapor removal.
3. Chemical Neutralization: Method- Chemical absorption, used for chlorine Leakes etc.
4. Thermal Destruction: Method- Combustion chambers used for burning hydrocarbons.