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    • 4. 发明公开
    • METHOD FOR PRODUCING CHEMICAL BY MEANS OF CONTINUOUS FERMENTATION AND CONTINUOUS FERMENTATION DEVICE
    • 用于生产化学品,通过连续发酵和装置用于实现连续发酵
    • EP2837687A1
    • 2015-02-18
    • EP13770154.6
    • 2013-03-27
    • Toray Industries, Inc.
    • KANAMORI, SatokoSAWAI, HidekiTAKEUCHI, Norihiro
    • C12P13/04C12M1/00C12P7/56C12P13/02C12R1/01C12R1/13C12R1/15C12R1/19C12R1/43
    • C12P13/24C12M29/04C12M33/14C12M41/34C12P7/56C12P13/001C12P13/04C12P13/06C12P13/08C12P13/10C12P13/12C12P13/14C12P13/20C12P13/222C12P13/225C12P13/227
    • Provided is a method of producing a chemical by a continuous fermentation method in which a washing effect of a separation membrane by a gas is enhanced by a simple operation procedure and high productivity can be stably maintained for a long time. The method of producing a chemical of the present invention includes: a chemical production step of culturing cells to ferment a feedstock to produce a chemical; a culture solution supply step of supplying a culture solution containing the chemical to a separation membrane unit; a filtration step of filtering the culture solution to separate a permeate containing the chemical; a reflux step of refluxing a retentate that is not filtered to the fermentor; and a washing step of supplying a gas containing oxygen to the separation membrane unit while the amount is changed to at least two different values to perform scrubbing, wherein the supply amount and time of the gas containing oxygen supplied in the chemical production step and the washing step are set so that a kLa value is within a predetermined range from an optimal kLa value for the cells cultured in the chemical production step.
    • 提供的是生产通过连续发酵方法,其中,分离膜的由气体的洗涤作用是通过一个简单的操作过程和高的生产率提高的化学的方法可以稳定地保持很长时间。 制造本发明的化学品的方法,包括:培养细胞发酵原料以产生一种化学的化学品生产工序; 供给含有化学的分离膜单元的培养液的培养液的供给步骤; 过滤所述培养液中分离的渗透物含有化学的过滤步骤; 回流一滞留物的回流的步骤并没有被过滤到发酵罐中; 和供给含有气体的氧分离膜单元,而量变为至少两个不同的值来执行洗涤,worin在化学生产步骤和洗涤供给的含有气体的氧的供给量和时间的洗涤步骤 步骤是这样设定做了起亚值是从在化学生产步骤中培养的细胞最佳起亚值在预定范围内。