[Digestion] 1. Re: Consistency of Digester Feed (Paul Harris)

[Bill Rucks]

Greetings Robin 
I have seen and herd of the difficulties with the project you are referring
to: 
Issues that arise are and basted on the variation feed stock supplied. 
I would suggest you contact the people at Waste Solutions Dunedin NZ  as
they could assist and or advise in this type of project - 
I have also herd of a similar system in Northern Seattle/Canada - which will
pay for their feedstock (they have a very simple system (Seattle) unlike the
very complex system in Sydney) the Waste Solutions should have the sort of
answer you will be looking for !! 
 

http://www.wastesolutions.co.nz/Project_Showcase/pdf/WSL_Project_Camellia.pd
f
Bill Rucks 

Bio-energy recovery specialist

Water Alchemy ltd 

New Zealand 

+ 64 3 544 9148 

+ 64 21 258 2063 

bill at water-alchemy.com

www.water-alchemy.com 



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Today's Topics:

   1. Re: Consistency of Digester Feed (Paul Harris)


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

Message: 1
Date: Mon, 07 May 2012 14:36:33 +0930
From: Paul Harris <paul.harris at adelaide.edu.au>
To: For Discussion of Anaerobic Digestion
	<digestion at lists.bioenergylists.org>
Subject: Re: [Digestion] Consistency of Digester Feed
Message-ID: <4FA75859.5030200 at adelaide.edu.au>
Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"

G'day All,

I can only suggest that very good communications be established and the 
importance of discussing ANY changes being considered be emphasised with 
each input supplier (with costly penalties for "Dumping" problems on the 
digester in the contracts!).

Good luck,
HOOROO

Mr Paul Harris BEng (Ag) (Melbourne)
Visitor at The University of Adelaide


On 4/05/2012 7:44 PM, Jones, Robin (TWP) wrote:
>
> The bio-digester we are considering will obtain feeds from third 
> parties (i.e. Manure from Feedlot for cattle, Litter from Chicken Farm 
> & Tallow from Abattoir). There is a concern that the owner and 
> operator of the digester will have no control over the consistency of 
> each of these feeds (e.g. The instance one of the third parties 
> introduces an Antibiotic Campaign due to sickness/disease). On a 
> commercial scale has anyone had experience with this matter, relative 
> to obtaining finance and how was this type of  risk mitigated? 
> Alternatively does anyone know of any commercial size plants that 
> experienced similar problems after start-up resulting in a negative 
> impact on their financial model?
>
> Robin Jones
>
>
>
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End of Digestion Digest, Vol 21, Issue 6
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