[Digestion] Dry AD - FAL technical paper

[Terrence Sauve]

Hi Wayne,
there was a good paper explaining a 10 cubic meter batch digester built for
research. It was published by FAL in Switzerland and you can get it off the
Departement of Energy. Search for documents with the topic of anaerobic
digestion and you should find it there. I think it was made around early
2000.
Other than that, you can get consultants in Germany and Netherlands that
used a dry AD digester and then a CSTR in series. I think the company was
Archea. It may have changed name though but you'll be able to track it
down. It might be a bit more pricier because its made in stainless steel.

Post your updates on the list!
Good luck,
Terrence

On Mon, Feb 13, 2012 at 1:00 PM, <digestion-request at lists.bioenergylists.org
> wrote:

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>   1. dry digestion (Wayne Zschech)
>   2. Re: dry digestion (Duncan Martin)
>   3. Re: dry digestion (Anand Karve)
>   4. Re: dry digestion (Michael K?ttner)
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> ---------- Forwarded message ----------
> From: Wayne Zschech <waynezschech at calvarychapel.com>
> To: digestion at lists.bioenergylists.org
> Cc:
> Date: Sun, 12 Feb 2012 22:15:13 +0200
> Subject: [Digestion] dry digestion
> G'day all!
>
> Greetings from very frozen Ukraine!
>
> Does anyone have any experience in using dry digestion?  I am planning on
> using food waste and grass, leaves etc. I am hoping to avoid adding water
> which creates a very diluted fertilizer and I presume that there would be
> an increases in energy consumption of trying to keep (or reheat) all that
> liquid in a low solid system.
> I really like the OWS Dranco type of configuration. I have been told that
> the thermophilic reaction is more unstable in general but maybe someone
> still has a working model that is simple enough to run on small scale or
> around 20-25m3.  I am happy to do a multistage process if I can get a more
> concentrated NPK product.
>
> Please share any info that may be beneficial.
> Blessings,
> Wayne
>
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