[Digestion] Sulphur levels

[Igor Škrjanec]

David,

levels of H2S higer then 10.000 ppm are very intersted.
Reason for this it may be bad mixing of air and biogas. Ther must be areas
with very low concentration of O2.

BR

Igor


2013/7/8 David <david at h4c.org>

>
>
> 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
>
>  "Make no search for water.       But find thirst,
> And water from the very ground will burst."
> (Rumi, a Persian mystic poet, quoted in *Delight of Hearts*, p. 77)
>
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>
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>
>


-- 
Igor Škrjanec
E-naslov: igor.skrjanec at gmail.com
Skype Name: igorskrjanec
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