[Digestion] flex-use biogas plant?

[Luís Ferreira]

Hi Jason,

Just an idea! Why not to use the surplus of heat from the biogas conversion, 
for district cooling during the summer.

Luis



----- Original Message ----- 
From: "Jason Perry" <perry.jason at gmail.com>
To: <digestion at listserv.repp.org>
Sent: Thursday, November 16, 2006 11:47 AM
Subject: [Digestion] flex-use biogas plant?


> Hi all,
>
> This is more of a question about energy recovery from biogas than about
> digestion itself. This is also a semi-hypothetical situation. Let's say
> you have a school in New York State that has multiple dairy farms within
> 3 miles. Peak natural gas use for heating the school is in
> January/February; gas use drops to almost nothing in the summer. In
> theory, if all of the dairy manure were recovered and brought to a
> central digester near the school, the biogas produced could more than
> cover the peak heating demand.
>
> But what to do with surplus biogas for the rest of the year? Generate
> net-metered electricity, of course.
>
> Does such a system exist, where biogas is diverted from one energy use
> to another (or some combination in between) depending on need?
>
> Thanks for any thoughts,
>
> Jason
>
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