A novel cleaner production process of citric acid by ...
2016-7-1 · Temperature was maintained at 35 ± 1 °C using a heating jacket and 30% of the mesophilic anaerobic granular sludge (ratio of volatile suspended solid (VSS) to total suspended solid (TSS) was approximately 0.6 and specific methanogenic activity was above 100 mL/g VSS/d, provided by Yixing Xielian Biological Chemical Co. Ltd., China) was inoculated into the reactor. The methane production …
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