YanChuan Li

Kunming University of Science and Technology, Yün-nan, Yunnan, China

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Publications (1)1.58 Total impact

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    ABSTRACT: Acid, alkali, heat-shock, KNO3 and control pretreatment methods applied to anaerobic sludge were evaluated for their ability to selectively enrich the marine hydrogen-producing mixed microflora. Seawater culture medium was used as the substrate. The hydrogen yield of pretreated microflora was higher than that of the un-pretreated control (P < 0.05). Among the pretreatment methods studied, heat-shock pretreatment yielded the greatest hydrogen production, which was 14.6 times that of the control. When the effect of initial pH on hydrogen production of heat-shock pretreated samples was studied, hydrogen was produced over the entire pH range (pH 4–10). The hydrogen yield peaked at initial pH 8 (79 mL/g sucrose) and then steadily decreased as the initial pH increased. Sucrose consumption was high at neutral initial pH. During the process of hydrogen production, pH decreased gradually, which indicated that the acquired microflora consisted of acidogenic bacteria.
    Full-text · Article · Aug 2009 · Chinese Science Bulletin

Publication Stats

15 Citations
1.58 Total Impact Points

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  • 2009
    • Kunming University of Science and Technology
      Yün-nan, Yunnan, China