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Process Technology Equipment
Chapter 19 Environmental Control Equipment
Page 16
2. Work in teams to discuss and brainstorm a procedure for one of the following:
a. disposal of salty wastewater
b. disposal of used lithium batteries
c. disposal of used light bulbs
3. Research one of the environmental incidents mentioned in the text (Flint, Michigan,
drinking water contamination; Bhopal, India, chemical release; or Deepwater Horizon
oil spill) and write a report on it.
End of Chapter Review Questions
(Note to Instructor: If you have time, you can use these questions to test your
students’ knowledge of the content presented in this chapter.)
1. What emissions do many technologies and operating strategies strive to
reduce?
A. CO
B. SO2
C. O2
D. NOx
2. What pollution control device is used to safely burn excess process gases
that cannot be recovered, before they are released into the atmosphere?
A. Flare systems
B. Baghouses
C. Coal gasification
D. Electrostatic precipitators
Process Technology Equipment
Chapter 19 Environmental Control Equipment
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3. What pollution control device contains positively charged collecting plates
and a series of negatively charged wires or electrodes?
A. Flare systems
B. Baghouses
C. Coal gasification
D. Electrostatic precipitators
4. When injected into flue gas, what does urea convert the NOx emissions into?
A. Sulfuric acid
B. Water and oxygen
C. Carbon dioxide and water
D. Oxygen
Answers:
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Page 18
5. What device performs the same function as API separators, but with a parallel
plate assembly?
A. CFI separator
B. Parallel plate interceptor
C. Corrugated plate interceptors
D. Circular mechanical clarifier
6. What device uses a series of corrugated plate packs at an inclined angle in a
vessel to separate oil, water, and solids?
A. API separator
B. Parallel plate interceptor
C. Corrugated plate interceptors
D. Circular mechanical clarifier
Answers:
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Page 19
7. What environmental control measure may be constructed of concrete or
simply earthen pits dug out and lined with a heavy rubber liner?
A. Dike
B. Settling pond
C. Landfill
D. Sand absorption
8. Which of the following is a common material that is covered under the Clean
Air Act standards?
A. Lead
B. Particulate matter
C. Ground level ozone
D. All of the above
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Page 20
9. What act establishes a system of permits used for eliminating the discharge of
possible known pollutants in waterways?
A. Clean Water Act
B. Resource Conservation and Recovery Act
C. National Pollutant Discharge Elimination System Act
D. National Ambient Air Quality Standards Act
10. Which of the following is an inappropriate material to place in landfills unless
additional requirements are met?
A. Lead
B. Steel
C. Copper
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Page 21
D. Asbestos
11. What does the environmental control training that process technicians receive
ensure?
A. It ensures worker safety.
B. It ensures limited fines.
C. It ensures permits are followed explicitly.
D. All of the above
Clicker Questions
(Note to Instructor: If you have clicker capability in your institution, you may want to
include some of these questions as appropriate. Or perhaps you just want to use them
as a way to check the students’ understanding of the content.)
Process Technology Equipment
Chapter 19 Environmental Control Equipment
1. Which of the following can be used to reduce NOx emissions?
A. Increasing flue gas releases
B. Switching to fuel with a lower nitrogen content
C. Use of high NOX burners
D. All of the above
2. When are flare systems used most often?
A. During normal operations
B. During maintenance
C. During emergency situations
D. During cold winter months
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Page 23
3. What is one of the main disposal concerns in process facilities?
A. NOx
B. CO2
C. Wastewater
D. Excess materials
4. What environmental control measure is human-made or natural pits, typically
lined with an impermeable, flexible substance or clay?
A. Dike
B. Settling pond
C. Landfill
D. Sand absorption
5. Who is responsible for formulating a plan to address the pollutants and
maintain the standards?
A. EPA
B. OSHA
C. States
D. Parent organization
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Page 25
APPENDIX, Chapter 19
Table of Contents
Contents
Page
Checking Your Knowledge Answer
Key
26
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Checking Your Knowledge Answer Key
1. Define the following terms:
a. Baghouse
b. Dike
c. Flare system
d. Incinerator
e. Landfill
2. List three measures, other than treating the NOx generated by those
processes, that can be taken to reduce the amount of NOx produced in
combustion processes.
3. List the three harmful compounds produced by the burning of carbon-based
fossil fuels.
Process Technology Equipment
Chapter 19 Environmental Control Equipment
Page 27
4. (True/False) Flare systems are most often used during emergency situations
and unit start-ups and shutdowns to dispose of gases rapidly.
5. In a gas treatment facility, a common method of noncatalytic treatment of gas
streams is to scrub or wash the gas with:
a. sulfur monoxide
b. hydrogen sulfide
c. ammonia
d. sulfur dioxide
6. What purpose does a facility’s NPDES permit serve?
a. It allows the facility to set wastewater standards.
b. It establishes specific monitoring and reporting requirements.
c. It regulates the discharge of pollutants into waterways.
d. It regulates the discharge of pollutants into the atmosphere.
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Chapter 19 Environmental Control Equipment
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7. List four common materials that the National Ambient Air Quality Standards
regulate in the outdoor air.
8. (True/False) Landfills allow contaminants to leach into the soil to complete
their for proper decomposition.
9. ____________ mandates training in environmental control rules and
regulations.
a. OSHA
b. NOAA
c. EPA
d. HHS
Process Technology Equipment
Chapter 19 Environmental Control Equipment
