Continuous process for ethanol production by bacterial fermentation
Номер патента: CA1265078A
Опубликовано: 30-01-1990
Автор(ы): Hugh G. Lawford
Принадлежит: George Weston Ltd
Опубликовано: 30-01-1990
Автор(ы): Hugh G. Lawford
Принадлежит: George Weston Ltd
Реферат: ABSTRACT A continuous process for the production of ethanol by fermentation with strains of Zymomonas is provided. Metabolic processes are limited by the nutrients nitrogen, potassium and phosphorus. When growth is limited by one of these nutrients, the biomass expresses its maximum value for both qs and qp at any given value of D and Sr. The process is conducted at a lower biomass concentration and a higher specific rate of ethanol formation than a similar process conducted with a nutrient medium that is not limited in nitrogen, potassium or phosphorus. A method of improving performance of Zymomonas in continuous ethanol fermentation at increased temperatures is also provided.
Recombinant host cells and media for ethanol production
Номер патента: WO2007005646A9. Автор: Lonnie O Ingram,Brent E Wood,Lorraine P Yomano,Sean W York. Владелец: Sean W York. Дата публикации: 2007-03-22.