scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 890
Comment you should have e-mail submissions so that charts and pics can be part of the work Procedure 1Prepare 1 molar NaOH solution for liquid feed Prepare 2 mol CO2 gas feed 2Record base feed conductivity time 0 3Start vapor feed up the column 4Start liquid feed down the column Turn on pump 2 after opening valves 6 and 7 5Let column reach pseudo-steady state Monitor vapor flow rate using anubar Measure bottoms flow rate by colleting bottoms output for 30 seconds Monitor pressure drop across the column using anubar 6Record conductivity of feed and bottoms streams every two minutes 7Take 1 mL samples of entering and exiting vapor streams Use gas chromatography to analyze CO2 composition in the entering and exiting vapor streams 8Change the liquid flow rate after 40 carbonation and continue to record data as specified above ChemCAD Simulation Table 1 Results from ChemCAD output and calculations of CO2 bottoms weight fraction and recovery GLhM FwF DwD BwB recovery Effectm3hLh kgh kgh kgh Avg35040005451149003047445336000794193370024387439 G450400055800480030475735280009534200440029076909 L350500054511490030474450490007725230050019717500 GL450500055800480030475726320008005243220024977408 hM 350400044511490030474460920011104195450020966398 hM 350400034511490030474468530015064187840016755103 hM 350400024511490030474478720019624177650011873608 The weight fraction equivalent of carbon dioxide in the bottoms is calculated from a mass balance on carbon dioxide The mass equivalent of carbon dioxide in the bottoms is equal to the entering mass of carbon dioxide minus the mass of carbon dioxide exiting in the distillate The percent recovery of carbon dioxide is calculated by dividing the mass equivalent of carbon dioxide in the bottoms by the mass of carbon dioxide in the feed Note that the percent recovery increases when the liquid flow rate is increased and decreases when the vapor flow rate is increased Also note that the percent recovery decreases with decreasing Murphy Efficiency See actual ChemCAD outputs and feed stream compositions in the appendix Factorial Analysis Table 2 Effects of liquid and vapor flow rate on
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA