[Digestion] Digester Heating by a thermosiphon system

[David]

All,

On 11/20/2012 6:33 AM, Jaime Marti Herrero wrote:
> hi everybody
> about solar passive heating we have published a paper about it. i 
> attach the document.

In addition to Jaime's excellent paper, I should previously have 
mentioned Eric Buysman's somewhat epic thesis which gives a great deal 
of information about solar heating biogas digesters, found here 
<http://www.wecf.eu/download/2009/EricBuysman-AnearobicDigestionforDevelopingCountrieswithColdClimates-June2009-MasterThesis-Final.pdf>. 




d.
-- 
David William House
"The Complete Biogas Handbook" |www.completebiogas.com|
/Vahid Biogas/, an alternative energy consultancy |www.vahidbiogas.com

|
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"Make no search for water.   But find thirst,
And water from the very ground will burst."
(Rumi, a Persian mystic poet, quoted in /Delight of Hearts/, p. 77)

http://bahai.us/
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