A 750 MW power plant is burning coal that has the following prop- erties (among many others): heating value = 23,500 kJ/kg, carbon con- tent = 60%, ash content 9%, sulfur content = 2.2%, and mercury content = 120 ppb. The plant has an overall thermal efficiency of 37.5%. Assume that 20% of the ash falls out in the bottom of the fur- nace and the rest (the fly ash) goes out with the gases. An ESP collects the PM, and a wet scrubber controls SO2. The required air pollution control device efficiencies are as follows: the ESP is 99.4% efficient; the wet scrubber is 92% efficient.
A 750 MW power plant is burning coal that has the following prop- erties (among many others): heating value = 23,500 kJ/kg, carbon con- tent = 60%, ash content 9%, sulfur content = 2.2%, and mercury content = 120 ppb. The plant has an overall thermal efficiency of 37.5%. Assume that 20% of the ash falls out in the bottom of the fur- nace and the rest (the fly ash) goes out with the gases. An ESP collects the PM, and a wet scrubber controls SO2. The required air pollution control device efficiencies are as follows: the ESP is 99.4% efficient; the wet scrubber is 92% efficient.
Sustainable Energy
2nd Edition
ISBN:9781337551663
Author:DUNLAP, Richard A.
Publisher:DUNLAP, Richard A.
Chapter15: Geothermal Energy
Section: Chapter Questions
Problem 1P
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Question
Derive the CO2emission factor for the coal.
![A 750 MW power plant is burning coal that has the following prop-
erties (among many others): heating value = 23,500 kJ/kg, carbon con-
tent =
60%, ash content
9%, sulfur content =
2.2%, and mercury
content = 120 ppb. The plant has an overall thermal efficiency of
37.5%. Assume that 20% of the ash falls out in the bottom of the fur-
nace and the rest (the fly ash) goes out with the gases. An ESP collects
the PM, and a wet scrubber controls SO2. The required air pollution
control device efficiencies are as follows: the ESP is 99.4% efficient;
the wet scrubber is 92% efficient.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F12f0c762-73bd-4831-8ba7-0705e3df6421%2F90dafe3c-71f1-46da-838e-ec3f0751252e%2F4w39ad_processed.png&w=3840&q=75)
Transcribed Image Text:A 750 MW power plant is burning coal that has the following prop-
erties (among many others): heating value = 23,500 kJ/kg, carbon con-
tent =
60%, ash content
9%, sulfur content =
2.2%, and mercury
content = 120 ppb. The plant has an overall thermal efficiency of
37.5%. Assume that 20% of the ash falls out in the bottom of the fur-
nace and the rest (the fly ash) goes out with the gases. An ESP collects
the PM, and a wet scrubber controls SO2. The required air pollution
control device efficiencies are as follows: the ESP is 99.4% efficient;
the wet scrubber is 92% efficient.
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