[Digestion] Concentration of headspaces gases from Acetogenesis process

[Asim Khan]

Dear all,
I am working on hydrogen production from dark fermentation of sewage. I am looking for the composition of headspace gases generated from the acetogenesis process. All the literature that i have searched give the composition of biogas generated from methanogenesis process. Nobody talks about the composition of acetogenesis products. Literature says that its hydrogen and carbon dioxide. But are there any other trace gases? If yes what is their percentage?
 
Asim
They are not dead , who live in the hearts   , they leave behind.
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