Glycerol accumulation while recycling thin stillage in corn fermentations to ethanol
1990
St Julian, G. | Bothast, R.J. | Krull, L.H.
By successive recycling of the thin stillage in mashing and fermenting fresh corn, the glycerol content in each fermentation increased by about 0.4% and accumulated to a high of 2.1% in the beer of the fifth recycle. Glycerol concentration declined after the fifth recycle. The original fermentation contained 0.8% glycerol.
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