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Trial Number 0

Trial Purpose:

To evaluate possible alternatives to TCE for first supplied oil.

Date Run:

08/14/2006

Experiment Procedure:

Eight alternative products were selected from the lab's database of testing results based on supplied client information. Products were selected based on oil removal potential and compatibility with various metal substrates. Each product was diluted to 5% in 600 ml beakers using DI water and heated to 130 F on a hot plate.
Twenty-four preweighed coupons were coated with US Oil Company US Draw 1517 (petroleum oil) using a hand held swab. Coupons were weighed a second time to determine the amount of oil added. Three coupons were cleaned in each solution for five minutes using minimal stir bar agitation. Coupons were rinsed for 15 seconds in a tap water bath at 120 F and dried using a Master Appliance Heat gun at 500 F for 30 seconds. Once dry coupons were weighed a final time and product efficiencies were calculated.

Trial Results:

Four of the eight selected products removed over 85% of the oil from the stainless steel coupons within the five minutes of immersion cleaning. One product, Sea Wash Blue, removed over 95% of the oil. The follow table lists the amount of oil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
SC Aircraft & Metal 0.1014 0.0708 30.18
  0.1888 0.0858 54.56
  0.2943 0.1044 64.53
Surface Cleanse 930 0.3772 0.0449 88.10
  0.2622 0.0293 88.83
  0.1642 0.0286 82.58
Daraclean 283 0.2194 0.0593 72.97
  0.4346 0.0801 81.57
  0.3446 0.1001 70.95
Aquavantage 1400 0.3483 0.0487 86.02
  0.3483 0.0443 87.28
  0.3023 0.0435 85.61
M Aero NS 0.2269 0.0604 73.38
  0.2705 0.0471 82.59
  0.2567 0.0702 72.65
Beyond 2001 0.3296 0.0453 86.26
  0.3189 0.0772 75.79
  0.3351 0.0813 75.74
Inproclean 3800 0.3067 0.0357 88.36
  0.2583 0.0537 79.21
  0.3394 0.0184 94.58
Sea Wash Blue 0.3669 0.0048 98.69
  0.4242 0.0149 96.49
  0.5201 0.0233 95.52

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

The four effective products will be used on the next supplied oil.