Quiz: Gaseous Pollutants Control Techniques

1. In a catalytic oxidizer, the catalyst primarily functions to:

2. A venturi scrubber achieves high collection efficiency for fine particulate matter primarily due to:

3. Which adsorbent material is known for its high capacity for removing a wide range of volatile organic compounds (VOCs)?

4. Which type of thermal oxidizer offers the highest energy efficiency due to its heat recovery mechanism?

5. Which of the following is a common challenge in the operation of wet scrubbers?

6. Which of the following absorption mechanisms in a wet scrubber is MOST effective for removing highly soluble gases like ammonia (NH3)?

7. In a dry scrubber system, the sorbent material typically reacts with the pollutant gas to form:

8. Which type of scrubber is MOST suitable for removing both particulate matter and acid gases from industrial exhaust streams?

9. The “breakthrough point” in an adsorber refers to:

10. Which of the following is a major advantage of using a catalytic oxidizer over a direct flame oxidizer?

11. The adsorption process in an adsorber is influenced by several factors. Which of these is LEAST likely to impact adsorption efficiency?

12. In a packed tower wet scrubber, the packing material serves primarily to:

13. In a regenerative thermal oxidizer, the heat exchange media (ceramic beds) serve to:

14. The selection of the appropriate gaseous pollutant control device depends on various factors, including:

15. In a thermal oxidizer, the “destruction efficiency” refers to: