Alcoholic Fermentation Improvement of the Technology Based on Physiological Phenomena

  • P. Chartier
  • W. Palz
Conference paper
Part of the Solar Energy R&D in the European Community book series (SRDE, volume 1)


A major constraint of conventional alcohol fermentation processes is ethanol or end product inhibition and substrate inhibition. Our work is developped at the level of 1) a better comprehension of mechanisms of inhibition(intracellular ethanol accumulation related to environmental conditions : temperature substrate and kind of microorganisms) 2) increasing microorganism concentration by studies on microbial immobilization onto supports, 3) searching optimal technology of continuous bioreactors : combination of infinitely mixed reactors and plug flow reactors with divided feed and temperature profile, M developping technology of extrative fermentation, 5) improving cellulose utilization by Clostridium thermocellum. Results obtained are descussed.


Biomass Cellulose Surfactant Fermentation DMSO 


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Copyright information

© D. Reidel Publishing Company, Dordrecht, Holland 1981

Authors and Affiliations

  • P. Chartier
    • 1
  • W. Palz
    • 2
  1. 1.INRAFrance
  2. 2.Commission of the European CommunitiesBelgium

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