[Digestion] Digestion Digest, Vol 7, Issue 3

[adkarve]

If the bacteria have to produce and exhale the gas against pressure, the gas
output is reduced. So don't apply pressure while the gas is being produced.
Yours
A.D.Karve
----- Original Message -----
From: Vishwas Gokhale <g_vishwas at vsnl.com>
To: <digestion at listserv.repp.org>
Sent: Sunday, January 14, 2007 11:24 AM
Subject: Re: [Digestion] Digestion Digest, Vol 7, Issue 3


> Dear Donna,
> If you want to experiment with high pressure digestion system may be you
can
> work with number of digesters working in parallel. It seems nobody has
> studied  anaerobic digestion at higher pressures. It would however be
> necessary to install a safety vent system for pressures beyond acceptable
> levels .
>
> We may get much better results. Maybe we may get crude oil  out of
> this digesters. That is how the natural gas is produced in the first
place.
>
> Vishwas Gokhale
> Principal Consultant
> GIT Associates
> 1034/2/B, 6, Annapurna
> Model Colony, Pune 411016, India
> Phone:- 091 20 25651405, Mobile:- +919822604274
> Web:- http://www.gitassociates.com
>
> -----Original Message-----
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> digestion-request at listserv.repp.org
> Sent: 13 January 2007 23:30
> To: digestion at listserv.repp.org
> Subject: Digestion Digest, Vol 7, Issue 3
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>    1. Re: Digestion Digest, Vol 7, Issue 2 (Donna Soroka)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 12 Jan 2007 23:43:08 -0800 (PST)
> From: Donna Soroka <horses3dog1 at yahoo.com>
> Subject: Re: [Digestion] Digestion Digest, Vol 7, Issue 2
> To: digestion at listserv.repp.org
> Message-ID: <20070113074308.45745.qmail at web30508.mail.mud.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
>
>
> >Dear Saroka,
> you can use the floating dome of biogas plant, as a storage for the gas.
In
> this mode, the digester is filled with water. Introduce the gas into the
> dome through the gas cock fitted at the top of the dome, which gets lifted
> out of the water as it gets filled with gas. Close the cock when the dome
is
> full of gas and connect the gas cock to the gas burner. The weight of the
> floating dome is generally enough to drive the gas to the burner. If the
> weight of the floating dome is not enough to produce the necessary
pressure,
> you can place additional weights of the dome to create extra pressure. You
> may have to remove the extra weights when filling your gas holder. Such a
> biogas storage system can be fabricated from two plastic tanks or barrels,
> having varying diameters, so that one barrel telescopes into the other
one.
> Yours
> A.D.Karve
>
>   ***********
>   It seems this idea would work best with a Batch-type process rather than
a
> continuous feed, am I correct?  I bet I could set up several smaller tanks
> in this manner and connect them to a manifold system whereby I could
change
> the tank supplying the fuel through the manifold as one tank empties and
> another is producing.
>
>   What would be the safest / most effective psi for the pressure in the
> lines? Would a regulator from scuba gear or maybe one for a propane tank
> that hooks up to a gas grill be appropriate for measring the available
psi?
>
>   Thanks!
>   -Donna (Utah)
>
>
>
>
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