DOSKONALENIE FERMENTACJI ETANOLOWEJ
SŁOMY RZEPAKOWEJ
1
Uniwersytet Warmińsko-Mazurski w Olsztynie
Publication date: 2021-08-02
2017;(589):39-47
KEYWORDS
ABSTRACT
Przeprowadzono badania, których celem było określenie przydatności szczepu drożdży Pachysolen tannophilus KKP 546 do fermentacji hydrolizatów – pochodnych
lignocelulozy ze słomy rzepakowej, poddanej łagodnej alkalicznej obróbce wstępnej. Proces fermentacji prowadzono w warunkach beztlenowych oraz tlenowych, stosując wytrząsanie z prędkością 120 obr.·min –1 w celu zapewnienia równomiernego rozpuszczenie tlenu
w podłożu. Efekty procesu fermentacji wyrażono ilością wytworzonego etanolu w medium
poreakcyjnym. Po 96-godzinnej fermentacji brzeczek przygotowanych na bazie hydrolizatów słomy prowadzonych w warunkach tlenowych lub beztlenowych uzyskano średnio 1,54
oraz 1,64% v/v etanolu, przy sprawności całkowitej fermentacji na poziomie odpowiednio
56,44 i 60,23%.
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| ISSN: | 0084-5477 |
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