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Chemistry / Elementary Principles of Chemical Processes 3 / Chapter 5 / Problem 5.39

Elementary Principles of Chemical Processes | 3rd Edition | ISBN: 9780471687573 | Authors: Richard M Felder

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A natural gas contains 95 wt% CH4 and the balance C2H6 .

Chapter 5, Problem 5.39

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QUESTION:

A natural gas contains 95 wt% CH4 and the balance C2H6 . Five hundred cubic meters per hour of this gas at 40C and 1.1 bar is to be burned with 25% excess air. The air flowmeter is calibrated to read the volumetric flow rate at standard temperature and pressure. What should the meter read (in SCMH) when the flow rate is set to the desired value?

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QUESTION:

A natural gas contains 95 wt% CH4 and the balance C2H6 . Five hundred cubic meters per hour of this gas at 40C and 1.1 bar is to be burned with 25% excess air. The air flowmeter is calibrated to read the volumetric flow rate at standard temperature and pressure. What should the meter read (in SCMH) when the flow rate is set to the desired value?

ANSWER:

Problem 5.39A natural gas contains 95 wt% CH and the ba4ance C H . Five hundre2c6bic meters per hourof this gas at 40C and 1.1 bar is to be burned with 25% excess air. The air flowmeter iscalibrated to read the volumetric flow rate at standard temperature and pressure. What shouldthe meter read (in SCMH) when the flow rate is set to the desired value Step-by-step solution Step 1 of 4 ^To calculate the air flowmeter reading, the chemical reactions should be written and then thefuel needs to be converted to molar flow rates to calculate the molar flow rate of air. This molarflow rate will equate to a standard cubic meters per hour (SCMH).

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