Backyard Biodigester!

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At Solar CITIES e.V. we pride ourselves as being innovators in two domains in the so-called "developed" world.  One is the creation of "basement biodigesters" (covered in another article).  The other is the creation of "backyard biodigesters".  Depending on the space you have, you can opt for either or both (we've also done rooftop biodigesters and porch-based biodigesters and laboratory biodigesters and even bathroom biodigesters!).  The picture above shows our most recent 'backyard' biodigester at the home of Janice Kelsey who is using hers not just to fertilize the garden and give gas for backyard barbecues, but to give liquid nutrition to her tower gardens (Vertcal Aeroponics).  This system started producing its first gas on the 4th of July! How is that for Independence Tech!  Depending on the space you have, you can opt for either or both (we've also done rooftop biodigesters and porch-based biodigesters and laboratory biodigesters and even bathroom biodigesters!).  The picture above shows our most recent 'backyard' biodigester at the home of Janice Kelsey who is using hers not just to fertilize the garden and give gas for backyard barbecues, but to give liquid nutrition to her tower gardens (Vertcal Aeroponics).  This system started producing its first gas on the 4th of July! How is that for Independence Tech!

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More, detailed how to info

The idea of IBC tote based backyards system is attractive, integrating it with aquaponics is even more so. But how do you do it?

Hello Robert.

Hello Robert.
That system is used with aeroponics not aquaponics. The liquid fertilizer output is diluted 10:1 with water and then used to feed the plants. I'm quite interested in aquapincs and there has been some use of putting the fish entrails, etc into the digestor creating enough gas to keep the encloser and the water in the tanks warm enough for tilapia. I'll see if I can find that report. I know I saved it. It's must a matter of where I saved it. :-)

Integrating Aquaponics and Bioponics/Digester-slurry hydroponics

From my own research, the easiest way to incorporate another cycle, to bring aquaponics in line with a digester is to use the fish poop and viscera(guts) in the digester. Bioslurry(effluent) is then diluted and used to grow plants... NOW, that can be integrated to feed the fish, by growing duckweed in some of the diluted bioslurry. Would need additional tanks and I have no idea on capacity, BUT pressing duckweed yields vegetable oil, leaving a high protein pulp, which can be dried and fed to the fish, or just feed the duckweed to the fish, if you don't want to mess with the oil, to make biodiesel. IF you make biodiesel, the waste vegetable glycerine can be made into soap, as well as diluted to feed the digester.

Best video on Youtube (that I have seen) with integrating Aquaponics and a digester is "Green Society Aquaponics".

https://www.youtube.com/watch?v=Pyz55YHE_Is

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