Results
Final Experimental Design
![](https://www.hajim.rochester.edu/senior-design-day/wp-content/uploads/2021/05/P-and-ID-mixing-setup.jpg)
![](https://www.hajim.rochester.edu/senior-design-day/wp-content/uploads/2021/03/Fluid-Mixing-Setup-2-1-scaled-e1620156652114-809x1024.jpg)
PEG Trials
Video of PEG trial with 20 cP solution
PEG trials were done similarly to water trials but no drop in concentration was recorded for a 20 cP solution.
Trials were then done in beakers using an air pump to sparge air and the probe to stir the solution.
![](https://seniordesign.digitalscholar.rochester.edu/che2021/wp-content/uploads/2021/05/IMG_0632-225x300.jpg)
![](https://www.hajim.rochester.edu/senior-design-day/wp-content/uploads/2021/05/small-beaker-result.jpg)
Small beaker trials with 5 cP solutions showed promising results. Probe was able to record drop in concentration.
The promising results for the 5 cP solution in the small beaker led to a scaled-up trial in the large tank
![](https://seniordesign.digitalscholar.rochester.edu/che2021/wp-content/uploads/2021/05/foamy-PEG-trial-576x1024.jpg)
![](https://www.hajim.rochester.edu/senior-design-day/wp-content/uploads/2021/05/results-for-5cp.jpg)
PEG trial with 5 cP solution in large tank. Probe did not detect drop in concentration
Sodium sulfite was added as a powder for the trials in large tank. A spike solution with the sodium sulfite already dissolved in the PEG solution was then used in the trial instead of the powder to overcome the foam layer
![](https://www.hajim.rochester.edu/senior-design-day/wp-content/uploads/2021/05/results-for-5-cp-solution-with-spike-solution.jpg)