Assignment 3

Assignment 3 - CHBE 241 Material and Energy Balances...

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CHBE 241 Material and Energy Balances Department of Chemical and Biological Engineering The University of British Columbia Assignment #3 Due: Wednesday, 22 October 2008, 4:30pm CHBE Main Office 1. Given the reaction CH 4 + H 2 O = CO + 3H 2 If ξ = 12 mol/min, determine: r CH4 , r H2O , r CO , r H2 , ˙ R CH4 , ˙ R H2 . 2. A solution, containing 3.7 mol% ethyl acetate, 2.6 mol% acetic acid, 5.4 mol% ethanol, and water, is fed to a splitter at 100 kmol/h. The splitter operates at steady state and has three output streams. 27% of the flow exits in the first stream, 54% exits in the second stream, and the remainder exits in the third stream. Calculate the flow rates (kmol/h) and composition (mol%) of the three output streams. Complete a DOF analysis before starting calculations. Start with on one of the differential or integral material balance equations given in the Chapter 3 Summary and explain why you chose that one. 3. A solution containing 5 mol% ethanol, 10 mol% acetic acid and water is fed to a reactor at
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Assignment 3 - CHBE 241 Material and Energy Balances...

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