Quiz: Gaseous Pollutants Control Techniques

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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