To continue evaluating possible cleaning alternatives for dairy equipment.
Date Run:
04/16/2009
Experiment Procedure:
Three additional products were selected based on past testing results matching client supplied information. Three products were diluted to 5% using DI water in 400 ml beakers and heated to 120 F on a hot plate.
Peweighed stainless coupons were coated with the whole sweet milk contaminant using a squeeze bulb. The contaminant covered coupons were put in an oven at 130F and dried for 15 minutes. Once dry, the coupons were weighed a second time to determine the amount of milk applied.
Three coupons were immersed into each solution and cleaned for 5 minutes using stir-bar agitation. Rinsing was performed for 15 seconds using tap water heated to 120 F and followed by 60 seconds of air blow off with dry compressed air at room temperature. Final weights were recorded and efficiencies were calculated for each coupon cleaned.
Trial Results:
Cleaner
Initial wt
Final wt
% Removed
LF 2100
1.5253
0.0062
99.59
1.6997
0.2105
87.62
1.2003
0.0447
96.28
Amberclean L12
1.5720
0.3442
78.10
0.7780
0.1814
76.68
0.5065
0.0514
89.85
Multi Use Cleaner
0.8108
0.1362
83.20
1.4351
0.3030
78.89
0.5590
0.0385
93.11
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Two of the products removed over 85% of the whole sweet milk from the stainless steel coupons using manual cleaning.
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