Separation of volatile compounds from fermentation broth by membrane distillation

• Authors: Marek Gryta , Marta Barancewicz
• Languages of publication: EN

Abstracts

EN

The diluted ethanol solutions and fermentation broth (Saccharomyces cerevisiae) were separated by membrane distillation (MD). Hydrophobic macroporous (pore size 0.2 μm) capillary polypropylene membranes, Accurel PP V8/2 HF and Accurel PP S6/2, were used for these studies. The MD process can be successfully applied to remove the volatile components from the fermentation broth. Besides ethanol, propionic and acetic acids were moved from the broth to the distillate. Therefore, the course of the fermentation carried out in a membrane distillation bioreactor considerably accelerate its rate and increase the efficiency by a selective removal of fermentation products. It was found that the broth subjected to the separation did not affect the hydrophobic properties of the polypropylene membrane assembled in the MD modules.

Keywords

EN

fermentation; ethanol; membrane distillation

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2011
• Volume: 13
• Issue: 3
• Pages: 56-60

Dates

published

1 - 1 - 2011

online

5 - 10 - 2011

Contributors

author

Marek Gryta

• Institute of Chemical Technology and Environment Engineering, West Pomeranian University of Technology, ul. Pułaskiego 10, 70-322 Szczecin, Poland

author

Marta Barancewicz

• Institute of Chemical Technology and Environment Engineering, West Pomeranian University of Technology, ul. Pułaskiego 10, 70-322 Szczecin, Poland

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Identifiers

DOI

10.2478/v10026-011-0038-1