6369Re: [Distillers] Activated Carbon
- Sep 26, 2002InterestingI have found that after running our ethanol through active carbon there always seems to be a small (1.5-2.5%) drop in purity.I have always put this down to a cheap hydrometer but the interesting thing is that the variance is always the same.The other option I had thought of was the possibility of evaporation but having an ambient temperature of 8 -13 degrees centigrade I would have thought that evaporation would be minimal at those temperaturesregards Bill----- Original Message -----From: smudge311065Sent: Friday, September 27, 2002 12:17 PMSubject: [Distillers] Activated CarbonThe most difficult impurity to remove from alcohol (in my opinion,
anyway) is Ethyl Acetate. It boils at about one degree (C) less than
Ethyl Alcohol and has a a strong taste and odour.
I was checking to see if it was removed with activated carbon and
fortunately it is. The effectiveness of removal is rated "9/10 -
Proven use, probably the best solution.
Here's when it gets interesting.
Activated carbon is also noted for it ability to remove Ethyl Alcohol
with exactly the same rating. All the websites I found say the same
thing. (Do a web search for "ethyl acetate activated carbon removal"
and see what you get).
If carbon improves the quality of alcohol then there a number of
Carbon producers are wrong and the affinity for ethyl acetate is
greater than the affinity for alcohol.
The smoothing effect results from removing both impurities and
alcohol, thereby increasing the water content.
The carbon is removing something else, or some other processes are
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