[Digestion] Production of substrate not constant during the year

[Paul Harris]

G'day Jacopo et al,

Since storage will waste some biogas I would size the digester for the peak
rate (even using a longer retention time) so you actually store the waste in
the digester and let the bugs do their work more thoroughly when you have
less waste. Of course this all depends on costs, as if there is a huge
difference in waste amounts you will need a very big digester.

All the best,
HOOROO

Mr. Paul Harris, Room 202 Charles Hawker Building, Faculty of Sciences, The 
University of Adelaide, 
Waite Campus, PMB 1, Glen Osmond SA 5064 Ph  : +61 8 8303 7880      Fax  :
+61 8 8303 4386
Roseworthy Campus, Ph  : +61 8 8303 7929
mailto:paul.harris at adelaide.edu.au  
http://www.adelaide.edu.au/directory/paul.harris

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-----Original Message-----
From: digestion-bounces at lists.bioenergylists.org
[mailto:digestion-bounces at lists.bioenergylists.org] On Behalf Of Jacopo
Rosselli Del Turco
Sent: Tuesday, 27 September 2011 5:40 PM
To: For Discussion of Anaerobic Digestion
Subject: [Digestion] Production of substrate not constant during the year

Hello everybody. 
If the production of my substrates (i.e. milk whey and dairy manure) is not
constant during the year, how could I act?
 I mean, working on the feasibility study, should I consider a storage or
something similar?
Can I store whey and manure for some weeks?
Thank you all!

Jacopo Rosselli Del Turco

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