<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The diluted ethanol solutions and fermentation broth (<italic>Saccharomyces cerevisiae</italic>) 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.</p></abstract>

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.

Separation of volatile compounds from fermentation broth by membrane distillation

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

Polish Journal of Chemical Technology

The diluted ethanol solutions and fermentation broth (Saccharomyces cerevisiae) were separated by membrane distillation (MD). Hydrophobic macroporous (pore...

Separation of volatile compounds from fermentation broth by membrane distillation

Publié en ligne: 05 oct. 2011

Pages: 56 - 60

DOI: https://doi.org/10.2478/v10026-011-0038-1

Mots clés
fermentation, ethanol, membrane distillation

This content is open access.

Separation of volatile compounds from fermentation broth by membrane distillation

Publié en ligne: 05 oct. 2011

Pages: 56 - 60

DOI: https://doi.org/10.2478/v10026-011-0038-1

Mots clésfermentation, ethanol, membrane distillation

This content is open access.

Mots clés
fermentation, ethanol, membrane distillation