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NO ROUNDING OFF (ATOMIC WEIGHT SHOULD BE 2 DECIMAL PLACES) At 870°F, the stack gas generated by coal combustion contains 10% CO2, 1.2 percent CO, and 8.7 percent 02. The air delivered to the boiler is saturated with water vapor and enters at a temperature of 70 degrees Fahrenheit. Assume a 745 mmHg barometric pressure. a. You'll need to know the ratio of net H to carbon in the coal, as well as the final analysis of the coal, to finish your boiler report. According to preliminary statistics, the coal comprises 73 percent carbon, 5.2 percent moisture, and 10% ash. Assume that there is no nitrogen or sulfur in the water. b. Is there a lot of extra air in the boiler, how many? In addition, a valve controls the amount of air that enters the boiler; how much air is required in ft3/lb of coal? c. If the boiler burns 50 tons of coal per day, how many cubic feet of stack gas are produced? Assume a 100-pound coal foundation.

NO ROUNDING OFF (ATOMIC WEIGHT SHOULD BE 2 DECIMAL PLACES) At 870°F, the stack gas generated by coal combustion contains 10% CO2, 1.2 percent CO, and 8.7 percent 02. The air delivered to the boiler is saturated with water vapor and enters at a temperature of 70 degrees Fahrenheit. Assume a 745 mmHg barometric pressure. a. You'll need to know the ratio of net H to carbon in the coal, as well as the final analysis of the coal, to finish your boiler report. According to preliminary statistics, the coal comprises 73 percent carbon, 5.2 percent moisture, and 10% ash. Assume that there is no nitrogen or sulfur in the water. b. Is there a lot of extra air in the boiler, how many? In addition, a valve controls the amount of air that enters the boiler; how much air is required in ft3/lb of coal? c. If the boiler burns 50 tons of coal per day, how many cubic feet of stack gas are produced? Assume a 100-pound coal foundation.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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NO ROUNDING OFF (ATOMIC WEIGHT SHOULD BE 2 DECIMAL PLACES) At 870°F, the stack gas generated by coal combustion contains 10% CO2, 1.2 percent CO, and 8.7 percent 02. The air delivered to the boiler is saturated with water vapor and enters at a temperature of 70 degrees Fahrenheit. Assume a 745 mmHg barometric pressure. a. You'll need to know the ratio of net H to carbon in the coal, as well as the final analysis of the coal, to finish your boiler report. According to preliminary statistics, the coal comprises 73 percent carbon, 5.2 percent moisture, and 10% ash. Assume that there is no nitrogen or sulfur in the water. b. Is there a lot of extra air in the boiler, how many? In addition, a valve controls the amount of air that enters the boiler; how much air is required in ft3/lb of coal? C. If the boiler burns 50 tons of coal per day, how many cubic feet of stack gas are produced? ASsume a 100-pound coal foundation.
Transcribed Image Text:NO ROUNDING OFF (ATOMIC WEIGHT SHOULD BE 2 DECIMAL PLACES) At 870°F, the stack gas generated by coal combustion contains 10% CO2, 1.2 percent CO, and 8.7 percent 02. The air delivered to the boiler is saturated with water vapor and enters at a temperature of 70 degrees Fahrenheit. Assume a 745 mmHg barometric pressure. a. You'll need to know the ratio of net H to carbon in the coal, as well as the final analysis of the coal, to finish your boiler report. According to preliminary statistics, the coal comprises 73 percent carbon, 5.2 percent moisture, and 10% ash. Assume that there is no nitrogen or sulfur in the water. b. Is there a lot of extra air in the boiler, how many? In addition, a valve controls the amount of air that enters the boiler; how much air is required in ft3/lb of coal? C. If the boiler burns 50 tons of coal per day, how many cubic feet of stack gas are produced? ASsume a 100-pound coal foundation.
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