Possibly. It could also indicate that your churning pump impeller is
manufacturing butter.
Washes don't need the vigorous mixing that pumps generate. Compound a
churning pump with long wash periods and an incomplete or even vaguely
incomplete reaction and you have a problem looking for disaster.
Todd Swearingen
Thomas Kelly wrote:
I have pump-washed a 15L batch of biodiesel 7 times and the wash
water is still milky. Does this indicate an incomplete reaction?
Prior to washing I did a"shake test" and got clear separation
with only a thin layer between the water and the biodiesel.
Tom
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