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Good link to information about biogas and digesters

 
Posts: 57
Location: Eastern edge of the Blue Ridge Mnts. Virginia
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I was looking for different ideas for building a digester and found this .pdf file. It is old, but the information is good.

http://c.ymcdn.com/sites/www.echocommunity.org/resource/collection/C01889C5-4BB2-424C-962F-F5B14EF26E69/Biogas.08.pdf

I was considering the sliding barrel method, but now I am thinking about using a sealed barrel with an inlet and outlet and having the gas going to inner-tubes or bladders to supply the pressure. The biggest issue with biogas is keeping out the oxygen, so using a bladder with a sealed barrel should make the process easier/safer.
 
Posts: 100
Location: Napa CA
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Thanks Chris
 
Posts: 1400
Location: Verde Valley, AZ.
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the way google is going to do it... solve for X

http://nextbigfuture.com/2013/02/converting-municipal-waste-to-energy.html#more
 
After some pecan pie, you might want to cleanse your palatte with this tiny ad:
dry stack retaining wall
https://permies.com/t/85178/dry-stack-retaining-wall
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