A derivative of the anaerobic bacterium Clostridium phytofermentans was isolated and shown to produce two moles of hydrogen per mole of glucose and similar yields from cellulosic feedstocks. The strain (cpnit-1) was selected for its rapid growth in a chemostat under nitrogen fixation conditions. The rare ability of cpnit-1 to stably, anaerobically produce hydrogen while rapidly fixing its own nitrogen provides a strong selection to maintain the culture and suggests ...
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