Daily Question, April 20, 2016 – Catalysis Section: Operations to Improve Propylene Purity
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This post was last edited by Refiner on 2016-4-23 20:44. The correct adjustment for improving the purity of propylene is ( ). A. Reduce the heat source at the bottom of the tower. B. Increase the heat source at the bottom of the tower and increase the reflux volume. C. Reduce the pressure at the top of the tower and decrease the reflux volume. D. Reduce the flow rate of propane leaving the plant. The correct answer is B; 5 points for correctness and 2 points for participation. Notice regarding the launch of the “I’m Saving Energy, Where Are You?” campaign in the petrochemical sector: http://bbs.hcbbs.com/thread-1580434-1-1.html
The correct operation adjustment to improve propylene purity is ( B ). A. Reduce the heat source at the bottom of the tower. B. Increase the heat source at the bottom of the tower and increase the reflux rate. C. Reduce the pressure at the top of the tower and decrease the reflux rate. D. Decrease the flow rate of propane leaving the plant
The correct operation adjustment to improve propylene purity is ( B ). A. Reduce the heat source at the bottom of the tower. B. Increase the heat source at the bottom of the tower and increase the reflux rate. C. Reduce the pressure at the top of the tower and decrease the reflux rate. D. Decrease the flow rate of propane leaving the plant
All four answers are incorrect. In practice, the temperature should be lowered and the reflux should be increased. According to you, the answer should be b
B. Increase the heat source at the bottom of the tower and increase the reflux flow rate