Fig. 2From: Feeding controls H2S production in situ in high solid anaerobic digestionCharacteristics of fermentation gas generated by a CSTR: a daily production of 50 d biogas; b production of biogas under a monitoring frequency of 1 point/3 h; c CH4 production; d H2S concentration; e H2S production; f O2 mass in biogas. Note:0 h means the time before feeding and the time at 24 hBack to article page