2007_postlab - Department of Chemical Engineering...

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Department of Chemical Engineering University of Cambridge – Weblab Exercise (due April 6, 2007 at 1 pm) Part 2 – Post Lab Write-Up Four runs were completed during the two recitations on Monday, March 19, 2007. The settings for the four runs are given below: Run Q 1 (NaOH) (mL/min) Q 2 (Phen) (mL/min) 1 8.1 16.9 2 12 13 3 16.9 8.1 4 21 4 The baseline intensity before we started run 1 was I 0 = 2977 ± 4, the stirrer was kept at full power during all four runs, and the temperature of the feed streams and reactor during the four runs was approximately 18 o C. The data from the four experiments are tabulated in .txt files and are posted on the 10.37 Stellar webpage. In each file, the first column is the time (sec) and the second column is -ln(I/I 0 ). The four data sets have been fit to the model: ln I = A + B exp (− Ct ) I 0 The parameter values for A, B and C are tabulated below. In addition, figures showing the experimental data and the fit model for each run are included at the
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2007_postlab - Department of Chemical Engineering...

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