[Digestion] Mixing in digesters?

Warren Weisman weiswar at yahoo.com
Wed Sep 12 12:57:55 EDT 2007


Harmon, 

I meant a good mixture of different feedstocks,
instead of a single one. Stirring is important, too,
in my experience, but we want to make sure it's
stirring and not agitation. There is no reason you
could not have a digester for your motor home. My
first thoughts are to prevent agitation you could put
a couple of vertical baffles in your digester tank.
WArren 

--- Harmon Seaver <hseaver at gmail.com> wrote:

>    Someone just posted that  "well-stirred digesters
> with mixed contents
> will always out-perform single feedstock digesters
> by volume". Sometime
> back, when I asked about having a mobile digester
> (to provide fuel for a
>  motorhome and process waste), I was told that it
> would not work because
> disturbing the digester would cause it to stop
> working.
>     So is mixing bad or good?
> 
> -- 
> Harmon Seaver
> 
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