Once you have a solution to the exercises you will submit your answers as a PDF by uploading your file to be graded. The rest should be type-written for ease of reading when grading. The scanned pages should relate to using the graphs for solving the problem. Important Note: You may submit scanned images or clear handwritten pages as a PDF that is less than 2 MB in size for this exercise. Submit your answers as a PDF in the Exercise 4 assignment inside the Lesson 5 Module, showing all the steps in your calculations, indicate the K values you read from the nomograms, and state your assumptions, if any. Would the summer, or winter asphalt product be “heavier”? Explain why. Explain which of the following switches will take place in the refinery in about a month, and why? 40 ptsĪ) Switch the deasphalting solvent from propane to pentane.ī) Switch the deasphalting solvent from pentane to propane. In late fall this refinery switches operations to produce more fuel oil from VDR for the coming winter months, producing still some asphalt, but in lower quantity.
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