John,
How big a still ie. column size are you talking about here?
Depending on size they would probably work ok. If the column was a
reasonable size (large)used as random packing they should work well. If used
as a packing cut to size,as I think you are suggesting, covering the
diameter of the column, and stacked on top of one another they would also
work well but in this later case they would need to be laser cut to fit well
and to avoid channeling. What is important here is interfacial area. In this
latter case they would probably cover columns from 3 to 12 " in diam. Below
this the fins are probably too widely spaced to allow proper separation to
occur. Plasma cutting would splay the cut too much and you would end up with
too many rough edges and gaps I believe.
B.r., David
-----Original Message-----
From: John Harris <[EMAIL PROTECTED]>
To: biofuel@egroups.com <biofuel@egroups.com>
Date: Monday, December 18, 2000 6:07 AM
Subject: [biofuel] Re Still Packing
>Has anybody any thoughts on how rounds the size of the column punched out
of
>old car radiators
>would work as packing in a still.
>will try it out unless someone has tried and failed
>
>Thanks
>John
>
>
>
>Biofuel at Journey to Forever:
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