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permaculture - Re: [permaculture] Biogas digester plans

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  • From: "Robert Waldrop" <rmwj@soonernet.com>
  • To: <permaculture@lists.ibiblio.org>
  • Subject: Re: [permaculture] Biogas digester plans
  • Date: Mon, 4 Mar 2002 18:57:51 -0600

Haven't the Chinese exploited this on a fairly large scale in the
countryside? Perhaps the Chinese embassy could help with some plans.

Robert Waldrop, OKlahoma City

-----Original Message-----
From: Jeff Hall <JRHALL@gwgate.lib.iastate.edu>
>My understanding from an independent researcher who had tried to
develop a small farm scale biogas system for many years is that
temperate climates are a huge obstacle to small scale biogas systems.
The most efficient microbes are very picky about temperature, so you
need a very warm and stable space for them to do their work. I think
thats the reason many have tried and only a few systems in the warmest
climates have actually succeeded...






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