To evaluate successful products on third supplied contaminant using heated ultrasonic cleaning.
Date Run:
09/23/2008
Experiment Procedure:
Six products were selected from the previous trial based on success on removing the first two supplied soils. Three products were diluted to 5% using DI water in 400 ml beakers. The other three were used at full strength based on vendor recommendations. Beakers were immersed and heated to 130 F in a Branson 40 kHz ultrasonic tank. Solutions were degassed for five minutes.
Eighteen preweighed steel coupons were coated with the rust preventative VCI 369 using a hand held swab. Coupons were weighed again to determine the amount of soil added. Three coupons were cleaned in each solution for 10 minutes using ultrasonic energy. Coupons were rinsed for 15 seconds in tap water at 120 F and dried using compressed air at room temperature for 30 seconds. Final weights were recorded and efficiencies calculated.
Trial Results:
Three products removed over 90% of the third contaminant and the other three removed over 85%. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Aquavantage 1400 GD
0.1576
0.0017
98.92
0.1180
0.0144
87.80
0.2259
0.0050
97.79
Grease Feast
0.2491
0.0256
89.72
0.2017
0.0210
89.59
0.1083
0.0137
87.35
SC Aircraft & Metal Cleaner
0.1215
0.0185
84.77
0.1011
0.0052
94.86
0.1609
0.0255
84.15
SC MaxiSolve
0.2304
0.0291
87.37
0.2109
0.0155
92.65
0.2353
0.0062
97.37
Smart Solve 605
0.1505
0.0183
87.84
0.1599
0.0195
87.80
0.1687
0.0113
93.30
Bean-e-doo
0.1076
0.0003
99.72
0.1226
0.0103
91.60
0.2734
0.0031
98.87
Success Rating:
Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
Conclusion:
The top three products from all three soils, Bean-e-doo, Aquavantage 1400 GD and SC Aircraft & Metal Cleaner, will be tested using heated immersion cleaning.
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