[Digestion] biodigester construction in Bolivia (Video)

[Jaime Marti Herrero]

Hi everybody.
I just have upload a video to youtube about the construction of a biodigester for Altiplano region, Bolivia. This means 3500-4500 meter over the sea level, and minimum temperatures of -15Cº.
The video has been recorded during a workshop in a community. At the end of the video you can see the highest biodigester(4221 meter over sea level) operating.
The sound of the video is only music.
here you can see the video: http://es.youtube.com/watch?v=3Sl0XEN5Bgo

The difference of this biodigester is the retention time, and the greenhouse, made with sand walls of 40cm width. these walls keep warm the biodigester because the thermal mass.

Hope it is interesting for you.
Keep in contact
jaime



> Date: Sat, 5 Jan 2008 13:54:37 +0800
> To: digestion at listserv.repp.org
> From: piolenc at archivale.com
> Subject: [Digestion] Transylvanian cow-plop processor
> 
> Dear Chris,
> 
> I suspect you have a good reason for using the efficient, but 
> relatively expensive Indian-design concrete digester, but if not I 
> recommend that you consider the polyethylene bag digester for the big 
> 200-cow operation. There should be plenty of information on-line; if 
> not, I will happily email you what I have. Admittedly, it will 
> require some adaptation for use in a four-seasons climate (it was 
> developed in Fiji for use in the tropics), but I think that is doable 
> - by lining the trench with straw, for example, adding a straw/poly 
> cover in winter, and using warm or hot water to dilute the...errr... 
> feed material.
> 
> Best regards (or should I say "good evening, and velcom?"),
> Marc de Piolenc
> Iligan City, Philippines
> 
> 
> From: Chris Worman <chris_worman at hotmail.com>
> Subject: [Digestion] medium sized digester
> To: <digestion at listserv.repp.org>
> Message-ID: <BLU111-W48141EFACF409F9D079BF6FB4C0 at phx.gbl>
> Content-Type: text/plain; charset="Windows-1252"
> 
> 
> Greetings from transylvania.
> I am a peace corps volunteer here working in the environmental 
> sector.  Recently I have built a gobar style plant and was approached 
> by a farmer who would like to put in something at his place.  for 
> better or worse, he has 200 cows,  The gobar style plants can handle 
> up to 20 and we thought about linking 10 of them together but this 
> does seem to have a bit of the preposterous to it.  So, I turn to the 
> collective wisdom of this group seeking other advice.  We need it to 
> remain low cost and another consideration is temperature (winters 
> here get down in the -5 C range on a regular basis).  Any thoughts 
> would be greatly appreciated.  Cheers,
> Chris
> 
> Christopher Worman
> Environmental Organization Development Advisor
> Peace Corps Romania
> chris_worman at hotmail.com
> chris.worman at green-agora.ro
> www.green-agora.ro
> 
> 
> -- 
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> 
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> Beginner's Guide to Biogas
> http://www.adelaide.edu.au/biogas/
> http://info.bioenergylists.org

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