[Digestion] vermiculture of digested solids

[David Fulford]

Bryan Sanchez Marcum, Hello,

The best seed for a biogas plant is cattle dung. A biogas plant does a 
similar job to a cow's gut. If dung is used as the main feed, the plant 
is just using up the food that is left over from what the cows have 
already used. If food is added (usually waste food), the microbes can 
use more of the material. As food rots down, the right bacteria do 
usually grow in the media. However, this is a matter of chance, so 
adding dung means there is a source of the right microbes. Actually a 
mixture of different types of dung (cow, horse, pig etc) provides a 
wider range of possible microbes.

Anaerobic digestion seems to require a wide range of different microbes 
(both bacteria and archaea), so there is not a specific culture that can 
be added.

Regards,

David F

On 17/11/2010 10:50, Bryan Sanchez Marcum wrote:
> I dont want to use vermiculture, I just want to see if theres any 
> bacteria or enzyme that could accelerate biodigestion.
>
> On Thu, Nov 11, 2010 at 6:39 PM, Theo Bijman <T.Bijman at thecogas.nl 
> <mailto:T.Bijman at thecogas.nl>> wrote:
>
>     Dear readers,
>
>     Referring to the question about vermiculture.  Why should you want
>     to use vermiculture when you have already digested solid waste
>     that could be applied to the fields directly? With raw manure, I
>     could see the advantage, as you would get a somewhat dry,
>     concentrated and easy to apply organic fertilizer, without the
>     acidifying effect of manure. Is it the reduction in volume that is
>     an advantage?  Or are people used to using vermiculture organic
>     fertilizer and do not know the usage of digested solid waste?
>     Maybe somebody has some thoughts about this. Do you apply liquid
>     waste to the composting heaps  (the liquids which remains when
>     separating digistate into solids and liquids?) to keep it moist?
>
>     Thanks
>
>     Theo Bijman
>
>     Matt and listers, Hello,
>
>     There are two projects in South India doing vermiculture of
>     digestate: SKG Sangha and VK-Nardep that have been highlighted on
>     the list, as they both won Ashden Awards. There are videos
>     available for both projects, although the one for VK-Nardep is a
>     sequence of still photographs taken at the time of the judge's visit.
>
>     The Ashden Award links are: www.ashdenawards.org/winners/skgsangha
>     <http://www.ashdenawards.org/winners/skgsangha>and
>     www.ashdenawards.org/winners/vknardep
>     <http://www.ashdenawards.org/winners/vknardep>. A direct link to
>     SKG Sangha is: www.skgsangha.org <http://www.skgsangha.org>and to
>     VK-Nardep is: vknardep.org <http://vknardep.org>.
>
>     Regards,
>
>     David Fulford
>
>     On 11/11/2010 01:33, Matt Lorig wrote:
>
>     There was a project mentioned on the list (maybe a year or two
>     ago) about a vermiculture project using the digestate from a
>     biogas plant.  I think it was in India.  I think they were using
>     sawdust to soak up the water and composting it for a period of
>     time and then introducing the worms.  I can't find the link now. 
>     Does anyone remember what I'm talking about?  Or does anyone have
>     any info about vermiculture combined with biogas?
>
>     Matt Lorig
>     mattlorig at yahoo.com <mailto:mattlorig at yahoo.com>
>
>
>
>     	
>
>     	
>
>
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>     for more information about digestion, see
>     Beginner's Guide to Biogas
>     http://www.adelaide.edu.au/biogas/
>     and the Biogas Wiki http://biogas.wikispaces.com/
>
>
>
>
>
> -- 
> *
>
> */Bryan A. Sanchez Marcum/*//
>
> *
>
>
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> for more information about digestion, see
> Beginner's Guide to Biogas
> http://www.adelaide.edu.au/biogas/
> and the Biogas Wiki http://biogas.wikispaces.com/
>

-- 

********************************************************************
Dr David Fulford CEnv MEI, 15, Brandon Ave, Woodley, Reading RG5 4PU
d.j.fulford at btinternet.com <mailto:d.j.fulford at btinternet.com>, Tel: 
+44(0)118 326 9779 Mob: +44(0)7746 806401
Kingdom Bioenergy Ltd, www.kingdombio.com <http://www.kingdombio.com>, 
davidf at kindombio.com <mailto:davidf at kindombio.com>

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