Abstract
A continuous multistage column bioreactor with fluidised beds and continuous gas-lift bioreactor system with immobilised yeast Saccharomyces cerevisiae was developed for the first step of wort fermentation. The system of gas-lift reactor with yeast entrapped in calcium pectate beads was stable for 5 weeks by the optimal residence time of 12.75h and produced beer with a composition and flavour profile similar to that of beer produced by batch fermentation. Concentration of diacetyl was less than 0.1mg/l.
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Smogrovicova´, D., Do¨mény, Z., Gemeiner, P. et al. Reactors for continuous primary beer fermentation using immobilised yeast . Biotechnology Techniques 11, 261–264 (1997). https://doi.org/10.1023/A:1018494606777
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DOI: https://doi.org/10.1023/A:1018494606777