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Chemistry / Elementary Principles of Chemical Processes 3 / Chapter 13 / Problem 13.23

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

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The liquid leaving the flash tank in the converter loop is

Chapter 13, Problem 13.23

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QUESTION:

The liquid leaving the flash tank in the converter loop is fed to a distillation column in which specification-grade methanol is produced. The column is designed to recover 95% of the methanol in an overhead stream that is 99.85 wt% methanol. The remaining methanol and water leave the distillation column in a bottom stream. Estimate the flow rates of the overhead and bottom streams (kmol/h and kg/h) and the composition (mole fractions) of the bottom stream.

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QUESTION:

The liquid leaving the flash tank in the converter loop is fed to a distillation column in which specification-grade methanol is produced. The column is designed to recover 95% of the methanol in an overhead stream that is 99.85 wt% methanol. The remaining methanol and water leave the distillation column in a bottom stream. Estimate the flow rates of the overhead and bottom streams (kmol/h and kg/h) and the composition (mole fractions) of the bottom stream.

ANSWER:

Step 1 of 7

Basis: Let the feed to the distillation column be 100 kmol.

“I” is for different species.

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