[Digestion] An apology...and an excuse

[adkarve]

People have tried it in the past, but failed, because a biogas digester is
an open system. One does not sterilize the feedstock before pouring it into
the digester.  The system gets contaminated with the so called wild type
organisms, which generally have a higher rate of multiplication than the
super bugs that were bred for giving high methane yield.
Yours
A.D.Karve
----- Original Message -----
From: Steve Verhey <verheys at hotmail.com>
To: <finstein at envsci.rutgers.edu>; <duncanjmartin at eircom.net>
Cc: <digestion at listserv.repp.org>
Sent: Friday, May 04, 2007 8:14 PM
Subject: [Digestion] An apology...and an excuse


 it might be
> possible to inoculate with a particularly enthusiastic microbial
community,
> or even engineer better methanogens. Apparently this is either not
possible,
> or is not considered worth thinking about.
>
> Thanks for your patience,
>
> Steve
>
> >From: finstein at envsci.rutgers.edu
> >To: "Duncan Martin" <duncanjmartin at eircom.net>
> >CC: "Steve Verhey" <verheys at hotmail.com>, digestion at listserv.repp.org
> >Subject: Re: [Digestion] Calculating methane production
> >Date: Fri, 4 May 2007 07:32:55 -0400 (EDT)
> >
> >Duncan -
> >
> >As you say (in effect): one man's junk (one microbe's metabolic waste) is
> >another man's treasure (another microbe's substrate). But questioning the
> >complexity of the metabolic web terminating in methane was not what
> >started the thread. Rather, the question asked was - how to estimate
> >methane production.
> >
> >Mel
> >
> >
> > > Come on lads!!
> > >
> > > I might speak only for myself but I think it's an abuse of a forum
like
> > > this
> > > for folk to use it as a replacement for ten minutes work in a
> >half-decent
> > > public library or on the internet. I'm more tolerant when the enquiry
> > > comes
> > > from somewhere remote. But I don't think the USA qualifies!
> > >
> > > For info, Steve, yes there is a mass of research and "a particularly
> >good
> > > methanogenic microbial community" is characterized by a great
diversity
> >of
> > > species, very many of which are not methanogens. Now, go read!
> > >
> > > Fraternally yours
> > >
> > > Duncan J Martin
> > >
> > > Chair
> > > Republic of Ireland Centre
> > > Chartered Institution of Wastes Management
> > >
> > > ================================
> > > CONTACT DETAILS
> > > Duncan J Martin, PhD, CEng, CSci, MIEI, MCIWM, MIChemE
> > > 24 Townsfield, Cloughjordan, N Tipperary, Ireland
> > > Mobile: +353 86 8377 906
> > > Home: +353 505 42087
> > > Email: duncanjmartin at eircom.net
> > > ================================
> > >
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "Steve Verhey" <verheys at hotmail.com>
> > > To: <finstein at envsci.rutgers.edu>; <digestion at listserv.repp.org>
> > > Sent: Thursday, May 03, 2007 11:13 PM
> > > Subject: Re: [Digestion] Calculating methane production
> > >
> > >
> > >>
> > >> Presumably not all organisms in an anaerobic environment are
> > >> methanogens.
> > >> Is
> > >> there research on what a particularly good methanogenic microbial
> > >> community
> > >> looks like? Maybe it's even possible to make an inoculum that would
get
> > >> things started off in the right direction?
> > >>
> > >> Steve Verhey, Ph.D
> > >> Biologist at Large
> > >> Ellensburg, WA USA
> > >>
>
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