[Digestion] Re : Digestion Digest, Vol 18, Issue 13

AMADES Morocco amades_morocco at yahoo.fr
Sun Feb 26 14:52:18 CST 2012


We are looking for laboratory in which we use lab scale digester (as PDANC- EDIBON :Anaerobic Digester) :  
Computer Controlled 
2 Packed reactors (anaerobic digesters) that may be operated in series or
parallel flow arrangement. Each reactor has 5 litres capacity.
Reactor packing: 25mm. diameter Bio-balls.
To learn more about the using of this kind of digester
Regards
 
Prof. Hassan El Bari
President of Moroccan Association
of Solid Waste (AMADES-Morocco)
Faculte of Sciences
University of Ibn Tofail
BP 133 - Kenitra
Morocco
Mobile : +212 661403474
Fax : +212 537293417


________________________________
De : "digestion-request at lists.bioenergylists.org" <digestion-request at lists.bioenergylists.org>
À : digestion at lists.bioenergylists.org 
Envoyé le : Dimanche 26 février 2012 17h59
Objet : Digestion Digest, Vol 18, Issue 13

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Today's Topics:

  1. Re: Digestate comparison to liquid worm castings (Anand Karve)


----------------------------------------------------------------------

Message: 1
Date: Sun, 26 Feb 2012 14:25:31 +0800
From: Anand Karve <adkarve at gmail.com>
To: For Discussion of Anaerobic Digestion
    <digestion at lists.bioenergylists.org>
Subject: Re: [Digestion] Digestate comparison to liquid worm castings
Message-ID:
    <CACPy7Se7B=FhQtAVTOy9mPZATfxXWVjqjEjQiCBFxqUvskLKuQ at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Dear wayne,
while going through old unread E-mails I discovered yours. In the case of
both the types of manures (vermicompost and biogas effluent), the minerals
come from the biomass itself. The organisms involved in the process
primarily remove the carbon from the biomass, leaving the minerals
behind. There is another process, which actually adds water soluble
minerals to the compost. In this process, biomass is composted by layering
it alternately with soil. In this process, the biomass serves as the carbon
source for the micro-organisms in the soil. With such an abundant supply of
organic carbon as food, the microbes absorb minerals directly from the soil
and multiply their numbers. The resultant microbial biomass has more
minerals in it than the minerals in the original biomass, and because the
minerals form a part of the microbial cytoplasm, they are easily dissolved
in water and therefore become easily available to plants growing in the
field.
Yours
A.D.Karve
On Sat, Dec 3, 2011 at 3:46 AM, Wayne Zschech <
waynezschech at calvarychapel.com> wrote:

> G'day All!
>
> I know that the quality of the liquid digestate as a fertiliser depends on
> the type of feedstock ingredients. However, as a generalisation (or with
> specifics) how does our liquid digestate compare to liquid worm castings?
> Is the digestate even close to the 'potency' of the worm castings?  Also
> when comparing the standard NPK values of inorganic fertiliser is there a
> rule of thumb that allows digestate to 'compete' with them even though the
> NPK values are much higher in the inorganic fertiliser?  This will help me
> in talking to farmers when talk about the benefits of our product as
> instead of fresh manure or chemicals.
>
> Blessings,
> Wayne
>
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> Beginner's Guide to Biogas
> http://www.adelaide.edu.au/biogas/
> and the Biogas Wiki http://biogas.wikispaces.com/
>
>
>


-- 
***
Dr. A.D. Karve
Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
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