[Digestion] Costs of different household biodigesters

[Alexander Eaton]

Hi david,

For whom is the .75 m3 designed?  What feedstock or waste stream makes
sense at such a small size?  I understand that even the arti folks
found a functional floor at about twice that size.

Best,

A

On 9/28/10, David <david at h4c.org> wrote:
>
> Ivo,
>
>
> On 9/28/2010 10:50 AM, Ivo Oliveira wrote:
>> Hi all,
>>
>> I would like to know if anyone knows or have a good estimate of the
>> cost of the following small scale biodigesters:
>>
>> 1- Plug-flow polyethylene biodigester type (like the ones in
>> Bolivia) (between 1-10 m3).... I don't know if it's possible to
>> build one with such small size like 1m3
>
> I am presently producing a transitional design for a plastic bag
> digester-- it needs to mature and develop some-- but the aim is low
> cost, and my 0.75 cu m units presently cost about $15 in parts, $20 in
> labor (US prices).
>
>
>
> d.
> --
> 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)
>
> http://bahai.us/
>

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Alexander Eaton
Presidente
Sistema Biobolsa

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