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Fig. 4 | AMB Express

Fig. 4

From: Arsenic metabolism in technical biogas plants: possible consequences for resident microbiota and downstream units

Fig. 4

Gas production and CH4-content of the gas produced by the satellite reactors. Left: satellites to biogas reactor (technical plant #1), right: satellites to sewage sludge digester technical (plant #14). Satellites 0a and b (controls) contained no additional As, satellites 1a and b contained 30 µM (2.25 mg L−1) of additional As, and satellites 2a and b 60 mM (4.5 mg L−1) additional As. As was added as NaAsO2

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