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Effect of Fe2+ Concentration on the Enzymes during Methane Production from Taihu Blue Algae by Anaerobic Digestion
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    Abstract:

    The effect of Fe2 + concentration on the enzymes during methane generation from Taihu blue-green algae was studied in this manuscript.It was found that the maximum methane yield reached at 986.7 ml when Fe2 + concentration was 3 mg/L,and it was about 43 times more than that of the control group.When 0.5 mg/L Fe2+ added to the fermentation medium,the activity of dehydrogenase,and BAA-hydrolysing protease was 118 U and 3 126.9 U,respectively,and increased 76% and 83.4%,when compred with the corresponding value of the control.The activity of β-glucosidase enzyme reached 47 493 U,when Fe2 + concentration was 1 mg/L,and it was about 6.3 times more than that of the control group.The coenzyme F420 content was 0.2 mmol/g when Fe2 + concentration was 3 mg/L,which was about 4.3 times more than that of the control group.

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MA Su-li, LIU Hao, YAN Qun. Effect of Fe2+ Concentration on the Enzymes during Methane Production from Taihu Blue Algae by Anaerobic Digestion[J]. Journal of Food Science and Biotechnology,2011,30(2):306-310.

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