Characteristics of carbohydrate degradation and the rate‐limiting step in anaerobic digestion

Tatsuya Noike, Ginro Endo, Juu‐En ‐E Chang, Jun‐Ichi ‐I Yaguchi, Jun‐Ichiro ‐I Matsumoto

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289 引文 斯高帕斯(Scopus)


The characteristics of the degradation of cellulose, soluble starch, and glucose in the acidogenic phase and the effects of the substrate loading rate and biological solids retention time on the methanogenic phase of anaerobic digestion were investigated. The results obtained from continuous experiments using laboratory‐scale anaerobic chemostat reactors elucidated the true rate‐limiting step of anaerobic digestion. The specific rate of substrate utilization decreased in the following order: glucose, soluble starch, acetic acid, and cellulose. The rate of the hydrolysis of cellulose was so low that this was shown to be the rate‐limiting step in overall anaerobic digestion. Among methanogenic bacteria Methanosarcina would provide a higher substrate utilization rate than Methanothrix, and the maximum allowable substrate loading rate in the methanogenic phase was 11.2 g acetic acid/L day.

頁(從 - 到)1482-1489
期刊Biotechnology and Bioengineering
出版狀態Published - 1985 10月

All Science Journal Classification (ASJC) codes

  • 生物技術
  • 生物工程
  • 應用微生物與生物技術


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