METHOD FOR PRESERVING SLURRY OF DISTILLATION RESIDUE
PROBLEM TO BE SOLVED: To provide a method for preserving the slurry of distillation residue for a long time without rotting.SOLUTION: In a process of bioethanol production where saccharification of the biomass substrate by a saccharifying enzyme and fermentation by a fermenting microorganism are car...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a method for preserving the slurry of distillation residue for a long time without rotting.SOLUTION: In a process of bioethanol production where saccharification of the biomass substrate by a saccharifying enzyme and fermentation by a fermenting microorganism are carried out at the same time in the same reaction vessel to obtain a fermented solution, and the fermented solution is distilled to obtain ethanol, the slurry of distillation residue left after the distillation of the fermented solution is recovered and stored with addition of calcium cyanamide to the slurry so that the nitrogen concentration derived from calcium cyanamide becomes 0.08-0.8 wt%. |
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