[Digestion] Sulphur levels

[David]

Arturo,

On 2/27/2013 11:03 AM, Arturo Ávalos-Longoria wrote:
> We are in Mexico and we install units to generate electricity with 
> biogas.
> To reduce the sulphur in the gas, we oxidyze it with good results, 
> mainly.
> But there are are 3 sites, with extremely high sulphur levels (70, 
> 10 and 5 k ppm!) with no results. The methane levels are OK for two 
> sites (55-60%) and bad for one (45). If we increase the air 
> injection, the level drops, with a little increase of oxygen in all 
> sites.
>
> [...] Any suggestion is appreciated.

Whatever goes in comes out. Do you know what sources of sulfur are 
present at the three sites?



d.
-- 
David William House
"The Complete Biogas Handbook" |www.completebiogas.com|
/Vahid Biogas/, an alternative energy consultancy |www.vahidbiogas.com

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"Make no search for water.   But find thirst,
And water from the very ground will burst."
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