专利名称：Continuous process for ethanol production
by bacterial fermentation
发明人：Hugh G. Lawford申请号：US06/735913申请日：19850520公开号：US04812410A公开日：19890314
摘要：A continuous process for the production of ethanol by fermentation with strainsof Zymomonas is provided. Metabolic processes are limited by the nutrients nitrogen,potassium and phosphorus. When growth is limited by one of these nutrients, thebiomass expresses its maximum value for both q.sub.s and q.sub.p at any given value of Dand S. sub.r. The process is conducted at a lower biomass concentration and a higherspecific rate of ethanol formation than a similar process conducted with a nutrientmedium that is not limited in nitrogen, potassium or phosphorus. A method of improvingperformance of Zymomonas in continuous ethanol fermentation at increasedtemperatures is also provided.
申请人：GEORGE WESTON LIMITED
代理机构：Finnegan, Henderson, Farabow, Garrett & Dunner
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