News International Sugar Journal

Cellulosic biofuels production cost effective with using N2 gas [Registered]

The raw materials for cellulosic ethanol are low in nitrogen, a nutrient required for ethanol-producing microbes to grow, so cellulosic ethanol producers are estimated to spend millions of dollars annually on nitrogen fertilizers like corn steep liquor and diammonium phosphate. But an IU team led by biologist James B. McKinlay has found that the bioethanol-producing bacterium Zymomonas mobilis can use nitrogen gas (N2) as a nitrogen source, something that the more traditional ethanol-producer, baker’s yeast, cannot do.…

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