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Microbial Characteristics and Influence Factors During Anaerobic Fermentation for Biohydrogen Production from CO
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- Author:
- No author available
- Journal Title:
- Chinese Journal of Applied & Environmental Biology
- Issue:
- 4
- DOI:
- 10.3724/SP.J.1145.2012.00656
- Key Word:
- 生物制氢;厌氧发酵;嗜热微生物;一氧化碳;底物抑制
Abstract： 以发酵液中溶解的一氧化碳(CO)为底物,研究高温嗜热菌(Carboxydothermus hydrogenoformans)厌氧发酵制氢的工艺过程,通过C.hydrogenoformans菌的生长规律、絮凝能力和反应特性等实验研究,建立菌株的生长规律模型,得出微生物衰减系数和最大比生长速率.结果表明,C hydrogenooformans菌产氧率高,絮凝效果好,用于连续CO生物发酵制氢工艺是可行的.对发酵制氢过程的影响因素进行考察,得出最佳食微比及CO对发酵制氢过程的抑制浓度等过程参数,为有效开发CO厌氧生物发酵制氢的工艺路线提供了参考依据.
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