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does thiobacillus denitrificans produce acid?

Lesley Robertson l.a.robertson at stm.tudelft.nl.removethis
Fri Dec 11 09:24:11 EST 1998



Jesús Garcia-Gil wrote:

> Dear colleagues,
>
> The overall T. denitrificans reaction is:
>
> 8NO3(-) + 3FeS(*)   --> 4N2 + 5SO4(2-) + 4 H2O + 2H(+)
>
> (*) The resuting acid (2H+) is the same, no matter the source of electrons
> used (thiosulfate, metl sulfide or hydrogen sulfide)
>

I wouldn't agree that FeS is the first choice of substrate for the
neutrophiles, although it does occur. H2S is a much easier substrate at these
levels.
Lesley Robertson,
Delft.




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