This problem was successfully solved by the mixed culture fermentation of Bacillus megaterium G-6 and Azotobacter chroococcum G-3. Combined with the fed-batch culture, The CDW and PHA yield could reach 47.8g/L and 38.2g/L.

• 结合间歇流加补料技术，CDW和PHA产量分别可达47.；8g/L和38