In order to improve the carbon oxidation utilization efficiency of brewery wastewater,brewery wastewater was set as experimental material to research the effect of different initial solution pH on the contents of amino acid,reducing sugar,protein and formaldehyde in anaerobic digestion solution.The research results showed that amino acid and reducing sugar in treatment D(initial solution pH=9)were 0.78 times and 0.24 times higher respectively than those of treatment A(initial solution pH=6),with significant differences(p＜0.05).Protein and formaldehyde in treatment E(initial solution pH=10)were 2.38 times and 0.72 times higher respectively than those of treatment A(initial solution pH=6),with significant differences(p＜0.05).It presented that anaerobic digestion treatment under alkaline conditions(initial solution pH=9-10)can promote the organic matters transforming to amino acid,reducing sugar,protein and formaldehyde,and increase the carbon oxidation utilization efficiency of brewery wastewater.
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