Topics: • WERF Study Revisited • Grease Separator ...
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Topics: • WERF Study Revisited • Grease Separator Retention Losses • A New FOG Test Method Evaluated
Transcript of Topics: • WERF Study Revisited • Grease Separator ...
Topics:• WERF Study Revisited
• Grease Separator Retention Losses
• A New FOG Test Method Evaluated
Conclusions:Detergent Flows Remove Retained Grease from Separators
Spectrophotometer Method = EPA 1664Accuracy
Why Does This Happen?
WERF Study 2008
Dr. Joel DucosteTarik AzizN. C. State University
MetallicSoaps
InsolublePrecipitates
FattyAcids
Ca
Na
Mg
Si
P
S
Fe
Al
ActivityLipids(fats & v. oils)
Detergents
Hydrolysis
FattyAcids
Fast Assessment FOG Test
Accuracy Assessment
Emulsion Retention Loss Test
Effluent Sampling Methodology
0
200
400
600
800
1000
1200
0 1 2 3 4 5 6 7
Loss
mg/l
Drop #
Separator Design vs Emulsion Losses
Design A
Design B
Design C
Fat Flows
Soap Flows
Conclusions:Detergent Flows Remove Retained Grease from Separators Via Emulsification
Spectrophotometer Method Accuracy =/> EPA 1664 Gravimetric Method
For Report Info and Links:[email protected]
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