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Questions and Answers
Which process is used for SO2 removal?
Which process is used for SO2 removal?
Low NOx burners increase the overall flame temperature during combustion.
Low NOx burners increase the overall flame temperature during combustion.
False
What technology is currently being tested for CO2 sequestration on an industrial scale?
What technology is currently being tested for CO2 sequestration on an industrial scale?
Boundary Dam project
The main contributors to NOx formation are ___ and ___ present in a boiler system.
The main contributors to NOx formation are ___ and ___ present in a boiler system.
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Match the following technologies with their primary functions:
Match the following technologies with their primary functions:
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What catalyst is typically used in an SCR system for NOx reduction?
What catalyst is typically used in an SCR system for NOx reduction?
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What is the main product formed when calcium hydroxide reacts with sulfur dioxide?
What is the main product formed when calcium hydroxide reacts with sulfur dioxide?
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What percentage of ammonia vapour is typically dosed in the SCR process?
What percentage of ammonia vapour is typically dosed in the SCR process?
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The reaction between O and N2 in combustion directly produces NO2.
The reaction between O and N2 in combustion directly produces NO2.
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The air separation process aims to increase the amount of CO2 in flue gas.
The air separation process aims to increase the amount of CO2 in flue gas.
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What is the role of mist eliminators in the flue gas cleaning process?
What is the role of mist eliminators in the flue gas cleaning process?
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What is the amount of CO2 produced per kg of coal fuel used?
What is the amount of CO2 produced per kg of coal fuel used?
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The reaction SO2(g) + CaCO3(s) + 12 H2O produces ___________ and CO2.
The reaction SO2(g) + CaCO3(s) + 12 H2O produces ___________ and CO2.
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Which method involves injecting an atomized mist for SO2 removal?
Which method involves injecting an atomized mist for SO2 removal?
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Flue gases produced from fossil-fired stations only include CO2 and H2O.
Flue gases produced from fossil-fired stations only include CO2 and H2O.
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How many tonnes of SO2 are emitted per year from the coal combustion based on the content?
How many tonnes of SO2 are emitted per year from the coal combustion based on the content?
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Match the following CO2 capture processes with their descriptions:
Match the following CO2 capture processes with their descriptions:
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Typical arrangements for flue-gas cleanup include low NOx burners and complete removal of __________.
Typical arrangements for flue-gas cleanup include low NOx burners and complete removal of __________.
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The use of air separation increases the thermal efficiency of a coal power plant.
The use of air separation increases the thermal efficiency of a coal power plant.
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Which of these gases is NOT typically produced from combustion in fossil-fired stations?
Which of these gases is NOT typically produced from combustion in fossil-fired stations?
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What is the expected increase in levelized generation cost when using advanced CO2 capture methods compared to conventional coal plants?
What is the expected increase in levelized generation cost when using advanced CO2 capture methods compared to conventional coal plants?
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Match the following environmental pollutants with their source:
Match the following environmental pollutants with their source:
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Renewable energy production has less environmental impact once established, but emissions can occur during __________ and fabrication.
Renewable energy production has less environmental impact once established, but emissions can occur during __________ and fabrication.
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Effective environmental remediation is not necessary to comply with air quality regulations.
Effective environmental remediation is not necessary to comply with air quality regulations.
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