1,3-Propanediol production by Klebsiella pneumoniae under different aeration strategies |
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| Authors: | Ke-Ke Cheng De-Hua Liu Yan Sun Wei-Bin Liu |
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| Affiliation: | Department of Chemical Engineering, Tsinghua University, Beijing 100084, PR China. |
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| Abstract: | 1,3-Propanediol production by Klebsiella pneumoniae was studied in batch cultures under N2 flow and four airflow systems. Different byproducts were formed under different aeration conditions. An anaerobic/aerobic combined fed-batch culture was developed giving 70 g 1,3-propanediol l(-1) and 16 g 2,3-butanediol l(-1) with total diol yield of 0.6 mol(-1) glycerol. |
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| Keywords: | aeration fermentation glycerol Klebsiella pneumoniae 1,3-propanediol |
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