[Digestion] Digestion Digest, Vol 11, Issue 10
g_vishwas at vsnl.com
g_vishwas at vsnl.com
Wed May 16 00:44:28 CDT 2007
There are so many microrganisms working in symbiotic way that it is almost impossible to predict how a single species will work. It is as hard as predicting how an indivdual will behave in human society.
Vishwas Gokhale
----- Original Message -----
From: digestion-request at listserv.repp.org
Date: Tuesday, May 15, 2007 10:31 pm
Subject: Digestion Digest, Vol 11, Issue 10
To: digestion at listserv.repp.org
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> Today's Topics:
>
> 1. Re: Digestion Digest, Vol 11, Issue 5 (Carolyn Henri)
>
>
> -------------------------------------------------------------------
> ---
>
> Message: 1
> Date: Mon, 14 May 2007 17:07:24 -0700
> From: "Carolyn Henri" <Carolyn at ResourceConsulting.us>
> Subject: Re: [Digestion] Digestion Digest, Vol 11, Issue 5
> To: <digestion at listserv.repp.org>
> Message-ID: <029f01c79685$0458be50$0201a8c0 at OFFICE>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=original
>
> Don't be dismayed, Steve. There is no such thing as a stupid
> question. I
> am also not a digestion expert, but have learned a great deal from
> this
> forum and made several good contacts who have been helpful in
> directing me
> towards information.
> Carolyn Henri
>
> **************************************************
> Carolyn J. Henri, Ph.D.
> Resource Consulting Service, LLC
> 4805 Belvedere Ave.
> Everett, WA 98203
>
> Phone: (425) 290-3181
> Fax: (425) 290-7586
> Cell: (425) 308-1634
> E-Mail: Carolyn at ResourceConsulting.us
> Website: www.ResourceConsulting.us
>
> **************************************************
> ----- Original Message -----
> From: <digestion-request at listserv.repp.org>
> To: <digestion at listserv.repp.org>
> Sent: Friday, May 04, 2007 10:00 AM
> Subject: Digestion Digest, Vol 11, Issue 5
>
>
> > Send Digestion mailing list submissions to
> > digestion at listserv.repp.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >
> http://listserv.repp.org/mailman/listinfo/digestion_listserv.repp.org> or, via email, send a message with subject or body 'help' to
> > digestion-request at listserv.repp.org
> >
> > You can reach the person managing the list at
> > digestion-owner at listserv.repp.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Digestion digest..."
> >
> >
> > Today's Topics:
> >
> > 1. An apology...and an excuse (Steve Verhey)
> > 2. Re: An apology...and an excuse (finstein at envsci.rutgers.edu)
> >
> >
> > -----------------------------------------------------------------
> -----
> >
> > Message: 1
> > Date: Fri, 04 May 2007 07:44:17 -0700
> > From: "Steve Verhey" <verheys at hotmail.com>
> > Subject: [Digestion] An apology...and an excuse
> > To: finstein at envsci.rutgers.edu, duncanjmartin at eircom.net
> > Cc: digestion at listserv.repp.org
> > Message-ID: <BAY133-F10A55ED1E41C782C76038CA9400 at phx.gbl>
> > Content-Type: text/plain; format=flowed
> >
> >
> > There's been talk in the media here about what constitutes a
> good apology,
> > so I know this one will be of low quality, but I am sorry for
> asking such
> > a
> > simple question. I do have access to reasonable online sources,
> but not a
> > good physical library, and I don't actively work in this field --
> I'm just
> > interested in it, and in energy issues in general. I'm pretty
> sure it
> > would
> > take me longer than 10 minutes to answer my question. My
> background is in
> > molecular biology and biochemistry, not all that useful. This
> relatively> quiet forum seemed a reasonable place to ask the
> question, which I didn't
> > think was off-topic.
> >
> > That said, the question was my ignorant response to the
> difficulty/large> uncertaintly in estimating methane output, which
> must be mostly due to
> > digester-to-digester variability of microbial communities. My
> impression
> > is
> > that AD is done with whatever organisms happen to be present,
> but it
> > seemed
> > to me that (as some products claim to do with composting) 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
> >> >>
> >
> > _________________________________________________________________
> > Exercise your brain! Try Flexicon.
> >
> http://games.msn.com/en/flexicon/default.htm?icid=flexicon_hmemailtaglineapril07>
> >
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Fri, 4 May 2007 11:14:03 -0400 (EDT)
> > From: finstein at envsci.rutgers.edu
> > Subject: Re: [Digestion] An apology...and an excuse
> > To: "Steve Verhey" <verheys at hotmail.com>
> > Cc: finstein at envsci.rutgers.edu, digestion at listserv.repp.org
> > Message-ID:
> > <50830.72.84.59.43.1178291643.squirrel at webmail.envsci.rutgers.edu>
> > Content-Type: text/plain;charset=iso-8859-1
> >
> > Not a problem, Steve -
> >
> > Your background in molecular biology and biochemistry is
> actually central
> > to the matter. But - and a big but it is - not in the clean
> context of
> > pure culture systems being fed nice uniform substrates. Think of
> the vast
> > range of substrates in garbage, and the vast array of organisms
> and enzyme
> > systems needed to transform that mess to CO2, H2O and CH4! The
> idea of
> > adding some special inoculum or biocatalyst to bring it about -
> or even to
> > accelerate it - becomes absurd. Same for composting, sewage
> treatment, etc
> > etc. Think nature guided by appropriate technology.
> >
> > Mel
> >
> >
> >
> >> There's been talk in the media here about what constitutes a
> good
> >> apology,
> >> so I know this one will be of low quality, but I am sorry for
> asking
> >> such
> >> a
> >> simple question. I do have access to reasonable online sources,
> but not a
> >> good physical library, and I don't actively work in this field -
> - I'm
> >> just
> >> interested in it, and in energy issues in general. I'm pretty
> sure it
> >> would
> >> take me longer than 10 minutes to answer my question. My
> background is in
> >> molecular biology and biochemistry, not all that useful. This
> relatively>> quiet forum seemed a reasonable place to ask the
> question, which I didn't
> >> think was off-topic.
> >>
> >> That said, the question was my ignorant response to the
> difficulty/large>> uncertaintly in estimating methane output,
> which must be mostly due to
> >> digester-to-digester variability of microbial communities. My
> impression>> is
> >> that AD is done with whatever organisms happen to be present,
> but it
> >> seemed
> >> to me that (as some products claim to do with composting) 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
> >>> >>
> >>
> >> _________________________________________________________________
> >> Exercise your brain! Try Flexicon.
> >>
> http://games.msn.com/en/flexicon/default.htm?icid=flexicon_hmemailtaglineapril07>>
> >
> >
> >
> >
> > ------------------------------
> >
> > _______________________________________________
> > Digestion mailing list
> > Digestion at listserv.repp.org
> >
> http://listserv.repp.org/mailman/listinfo/digestion_listserv.repp.org>
> > End of Digestion Digest, Vol 11, Issue 5
> > ****************************************
> >
> >
>
>
>
>
>
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>
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> End of Digestion Digest, Vol 11, Issue 10
> *****************************************
>
Vishwas Gokhale
http//www.gitassociates.com
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