1 A, the hydrogen production of each test group showed a trend of increasing and then decreasing with time, and there was a significant decrease in gas production after 12 h.
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Effects of food wastes based on different components on digestibility and energy recovery in hydrogen and methane co-production.
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The sentences
At the beginning of the reaction, the pH of all groups showed a decreasing trend.
Compared to the CR group, the other groups showed a later and lower peak, after which the SCOD concentrations all showed an increasing trend, which may be attributed to this phenomenon, including (1) The polysaccharide concentration of each experimental group showed a specific rise after 12h, indicating that the dissolution of polysaccharides in the system at this time was more significant than the consumption.