[Digestion] Fwd: providing oxygen to methanogens

Paul Harris harrisfm at aapt.net.au
Wed Sep 24 06:45:14 CDT 2014


Maybe the increased Gas was Carbon Dioxide - did you measure gas 
quality? There are a number of things where a small amount is good but 
too much is bad.

HOOROO
Mr Paul Harris

On 24/09/2014 7:57 PM, Dr Stephen P Etheridge wrote:
> Dear List
>
> Many years ago we found some unexplained stimulation of biogas production
> when oxygen had accidentally been introduced into an anaerobic system. This
> was as air, and not oxygen in chemical form. While this should have
> traditionally been inhibitory to the methanogens, for some reason, in the
> specific circumstances prevailing at the time it was not. At the time we
> explored this in the literature and found a paper by Pirt and Lee which
> indicated recorded stimulation due to oxygen introduction. If I can track it
> down I will forward it.
>
> Regards
>
> Stephen Etheridge
> CEO Biotrix Asia




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