[Digestion] Digester Heating by a thermosiphon system

David david at h4c.org
Tue Nov 27 11:08:14 PST 2012


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 

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

"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)

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