Minhee HAN, Yule KIM, Hyungjin JEON, Youngran KIM, Bongwoo CHUNG, Gi-Wook CHOI
언어
영어(ENG)
URL
https://www.earticle.net/Article/A115233
※ 원문제공기관과의 협약기간이 종료되어 열람이 제한될 수 있습니다.
원문정보
초록
영어
Ethanol production processes using crops have been well established; however, utilization of a cheaper substrate such as lignocellulose could make bioethanol more competitive with fossil fuel, without the ethical concerns associated with the use of potential food resources. This study, in this sense, dealt with the diluted acid pretreatment of cassava stem as lignocellulosic biomass, following by enzymatic saccharification and fermentation to form ethanol by S. cerevisiae. Pretreatment conditions were optimized using response surface methodology (RSM) allowing the study on influence of the different variables (temperature, time, acid concentration). As a result, the optimal conditions were established for the pretreatment process with temperature at 177°C, 10 min of reaction time and acid concentration of 0.14M. In case of saccharification, enzymatic digestibility was fixed at approximately 70% with cellulase 20 FPU/g cellulose considering economic feasibility. Also, ethanol concentration and yield were attained at 7.55 g/L in 24 h and 89.6%, respectively. This study presented not only the overall process but also an efficient bioethanol production from lignocellulosic materials.
한국생물공학회 [The Korean Society for Biotechnology and Bioengineering]
설립연도
1984
분야
공학>생물공학
소개
이 법인은 생물 공학의 발전과 보급에 이바지하고, 회원 상호 간의 연구 협력과 친목을 도모함을 목적으로 한다
1. 생물공학 분야의 발전을 위한 연구 협력
2. 생물공학의 실용화를 촉진시키기 위한 산학 협동
3. 학술연구 발표회, 강연회, 연수회 등 학술활동의 개최
4. 국,영문 학술지,소식지,학술회의 Proceedings 및 학술도서의 발간
5. 생물공학 발전을 위한 정책 건의
6. 기타 국제 교류 등 본 학회의 목적 달성을 위한 제반 활동