[Digestion] Need help

[Jaime Marti Herrero]

hi dadi.
I have experience on 4000mamsl biodigesters with minium ambient temperature of minus -16 ºC during the night. this is on the bolivian altiplane.
I  put on youtube a video about this : http://es.youtube.com/watch?v=3Sl0XEN5Bgo
what i do is give 75 days retention time, and i make a greenhouse with local material. two 40cm width sand walls on boith sides with a polietilene cover over. if you need more informartion i can give you it.
At the moment there are about 500 biodigesters working with this design in bolivia.
If you can read spanish i can send you a handbook about all these issues.
Keep asking, i can help you on the design.
Keep in contact
Jaime Martí



> Date: Sun, 11 May 2008 05:01:29 -0700
> From: rusendi at yahoo.com
> To: digestion at listserv.repp.org
> Subject: [Digestion] Need help
> 
> Dear All,
> I am now working on polyethylene biodigester in high
> altitude (1,600 meter above mean sea level) that
> mostly the ambient temperature range for 5-8 C
> particularly on rainy season. Hence, the biogas is
> hardly produced because of methanogene microbes could
> not be survived at that temperature.
> 
> Do you have any idea or other microbes that could be
> produced biogas on that temperatures?
> 
> Thanks in advance for your attention and help.
> 
> Warmest Regards,
> 
> Dadi
> 
> 
> 
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