This may sound stupid, but, why not filter the beer to get the particles out,
then freeze the water out?
This was used by old timers to make a hard cider more potent. In the winter
they would leave the fermented cider outside, over night, then throw out the
water ice in the morning. Each time they did it, it would have less and less
water, and more alcohol.
Greg H.
----- Original Message -----
From: pan ruti
To: biofuel@yahoogroups.com
Cc: [EMAIL PROTECTED]
Sent: Monday, August 23, 2004 03:53
Subject: Re: [biofuel] Re: Extracting alcohol instead of distilling?
Helo Ken and arcologic
Alcohol extraction intead of distillation is an novel process inovation
which is being studied in a semi comercial scale in Canada sucessfuly using
simultaneaous fermentation and extraction using som solvent non toxic that is
being recycled.(octanol)
In extracion of of alcohol from water using fase diagram , one can improve
the process using cosolvents (Caster oil ) as well as surface active
agents(Biodeisel) .Thus a good biofuel mixture of low cost can be surely
made possible , but some one from our biofuel group need to optimze the
process of this new extraction to be practical using this novel approach.
sd
Pannirselvam
[EMAIL PROTECTED] wrote:
Thanks, Ken,
For the excellent response. Your suggested search worked great. I put
<gasoline ethanol water "ternary phase diagram"> into Google, got a copy of
the
diagram at 21 deg. C.
Here's the question I have thought about--
The diagram suggests that I can accomodate about 2% to 5% water in ethanol
and blend it with gasoline without separation at 21 deg. C. I read a warning
somewhere that this isn't wise because the water will separate out at low
temperatures. Then, I wondered, is THIS a way to make a blend without dry
alcohol,
to cool the mix and remove the water. (I understand, it's all in the phase
diagram, and if it works the wrong way, just all of the alcohol separates out
too.)
So, what do you think? I suppose if I weren't lazy, I would start looking
for a low-temperature diagram. /Ernie
In a message dated 8/22/2004 10:10:52 PM Mountain Standard Time,
biofuel@yahoogroups.com writes:
Date: Sun, 22 Aug 2004 13:12:04 -0700
From: Ken Provost <[EMAIL PROTECTED]>
Subject: Re: Extracting alcohol instead of distilling?
on 8/22/04 10:19 AM, jseabolt2002 at [EMAIL PROTECTED] wrote:
>
>
> Here's my theory. Gasoline and alcohol will mix. Alcohol and water
> also will mix. But gasoline is lighter than water so it floats and
> doesn't mix.
>
> So does that mean if you took the alcohol/water from the mash and
> mixed it with gasoline, would the alcohol attach itself to the
> gasoline and what you would end up with is water on the bottom and
> gasoline/alcohol on the top? Then just decant the mixtures?
>
>
It's hard to describe the whole system verbally, but you can
do a Google search for the "ternary phase diagram" of the
"ethanol-water-gasoline system" and everything will come clear.
Essentially, your idea doesn't work. With no water present,
ethanol is infinitely soluble (miscible) with gasoline. But
being a polar molecule, it vastly "prefers" water. Thus, in
mixtures of all three, the alcohol forms a phase with the
water, while the gasoline remains a separate phase. In other
words, you CAN use water to extract ethanol from gasoline,
but you CAN'T use gasoline to extract ethanol from water.
-K
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