Effect of biodiesel-derived waste glycerol impurities on biomass and 1,3-propanediol production of Clostridium butyricum VPI 1718.

@article{Chatzifragkou2010EffectOB,
  title={Effect of biodiesel-derived waste glycerol impurities on biomass and 1,3-propanediol production of Clostridium butyricum VPI 1718.},
  author={Afroditi Chatzifragkou and David A Dietz and Michael Komaitis and An-Ping Zeng and S{\'e}raphim Papanikolaou},
  journal={Biotechnology and bioengineering},
  year={2010},
  volume={107 1},
  pages={
          76-84
        }
}
Aim of the present study was to assess and evaluate the impact of various kinds of impurities of biodiesel-derived raw glycerol feedstock, upon microbial growth and 1,3-propanediol (1,3-PDO) production by Clostridium butyricum. Preliminary trials in 200-mL anaerobic bottles revealed that the presence of NaCl at a concentration of 4.5% (w/w of glycerol) in growth medium imposed an evident inhibitory effect, in contrast with phosphoric salts. However, the application of NaCl at elevated… CONTINUE READING
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