|
KMID : 0380020080230060504
|
|
Korean Journal of Biotechnology and Bioengineering
2008 Volume.23 No. 6 p.504 ~ p.508
|
|
|
Bioethanol Production using Endogenous Triticale Enzyme
|
|
|
|
|
Abstract
|
|
|
|
The objectives of this study were to develope the economical process for bioethanol production from domestic triticale and investigate optimal fermentation conditions such as temperature, time, and enzyme concentration used to pre-treatment process. Triticale mash, containing 148 g of total sugar per 1 L of mash, was fermented with Saccharomyces cerevisiae CHY1011 at 33℃. Fermentation of mash supplemented with enzyme was completed within 48-60 hours, and the ethanol yield was 410.9 L/tonne of dry base. On the other hand, fermentation of mash without enzyme addition was completed within 36-48 hours, but the ethanol yield was 342.2 L/tonne of dry base. For optimal bioethanol production from triticale, viscosity reduction enzyme was added in the pre-treatment process, and the fermentation rate of triticale was 92.0-94.2%. In addition, the results showed that bioethanol production of triticale by low-temperature pre-treatment would provide higher ethanol production efficiency and lower operating costs.
|
|
|
KEYWORD
|
|
|
bioethanol, triticale, low-temperature pre-treatment
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
|
|