[Digestion] young scientist project -- suggestion from Len

[Len Walde]

a balloon, a bike tire inner-tube, or the like, should to the trick to 
collect and store the gas.

Good luck,

Len Walde, P.E.


----- Original Message ----- 
From: "stephen cullinan" <stephencullinan at gmail.com>
To: <digestion at listserv.repp.org>
Sent: Friday, August 03, 2007 5:28 AM
Subject: [Digestion] young scientist project


>I have developed a mini anaerobic digester. It consists of a plastic can
> about 30cm by 30cm by 90cm.I have cut a hole in the lid of the can. In 
> this
> lid I placed a mini agitator which contained a pipe leading from the top 
> of
> the inside of the plastic can to the outside transporting any gas
> produced.Iplaced three of these in a plastic
> box.I placed a small immersion heater into the box and filled the box with
> water. However this is where I am stuck. I need some help in thinking up 
> of
> a way of trapping the gas
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