Re: DIG-L: digester accidents

["renertech" <renertech@xtra.co.nz>]

Dear Marty,
                      I have never heard of  such an accident with a biogas
digester.  To make an explosion, you have to mix the biogas with air or more
particularly oxygen.   Because most biogas plants work under a slight
positive pressure, gas may leak out but air would not leak in.  Therefore it
would be most unlikely for an explosive mixture to occur within a confined
space that might maximise the force of an explosion.  The main safety factor
is to always have your gas bag outside.  If  you had a tear or accident with
your gas bag  then you would get quick dispersion of any potentially
explosive problems.
Ken C.   renertech@xtra.co.nz
----- Original Message -----
From: "Marty Climenhaga" <mclimenhaga@macviro.com>
To: <digestion@crest.org>
Sent: Thursday, April 11, 2002 3:37 AM
Subject: DIG-L: digester accidents


> Hello all,
>
> I am trying to get some info on AD accidents - most references I see talk
> about the possibility of explosion, but I haven't heard of specific
> instances and I'm trying to get a handle on whether they are rare,
> extremely rare, never happen or happen more often than you'd think but
> aren't widely publicized.
>




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