Homework#6

Homework#6 - to the bottoms. Calculate the molar flow rates...

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CH EN 2800 – Fundamentals of Process Engineering Summer 2008 HOMEWORK #6 Due June 19, 2008 Before class To ensure that you receive full credit for your solutions, write out all equations in symbolic form, give numerical values for all variables and constants in the equations, and write answers to conceptual problems in complete sentences. Chapter 12 Material Balances Involving Recycle with Reactions Problem 1.0 The reaction, A R + S is occurring in the reactor sketched below. The fractional conversion of A in the reactor is 0.65. The flash process recovers 99% of A to the recycle stream. Leaving the flash process to stream S3 and 95% of R and 99% of S. The column separates 100% of A and 99% of R to the tops and 98% of S
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Unformatted text preview: to the bottoms. Calculate the molar flow rates (kgmol/h) for A, R and S in streams S1, S2, S3, recycle, tops, and bottoms. Reactor Flash Column Mixer Feed 100 kgmol/h Recycle S1 S2 S3 Tops Bottoms Problem 2.0 Examples 12.6, p. 369, describes a process for producing methanol from hydrogen and carbon monoxide. Repeat that example if the mole fraction z in the exit stream from the separator is allowed to rise to 5 mol%. Chapter 13 Problem 3.0 13.32, p. 428. CH EN 2800 Fundamentals of Process Engineering Summer 2008 Chapter 14 Problem 4.0 14.9, p. 454. Chapter 15 Problem 5.0 15.12, p. 473. Chapter 17 Problem 6.0 17.19, p. 535....
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Homework#6 - to the bottoms. Calculate the molar flow rates...

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