Fed batch fermentation can also increase 1,3 PDO concentration and yield,accompanying the maximal 1,3 PDO concentration and yield,397.7 mmol/L and 0.625 mol/mol is got respectively.

• 采用流加甘油发酵工艺 ；1 ；3 丙二醇浓度和转化率分别可提高到 397.；7mmol/L和 0