On the basis of analysis of batch fermentation results, the fed-batch culture for PHA production was carried out in a 2L fermentor. The CDW and PHA yield could reach 38.4g/L and 29.6g/L at 32h ,respectively.

• 在分批发酵的基础上，采用指数流加模型和间歇流加补料技术对PHA的发酵过程进行控制，PHA的产量可得到大幅度的增加，细胞干重(CDW)分别为26.；5g/L和38