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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.4
- 수록면
- 70 - 77 (8page)
- DOI
- 10.7584/JKTAPPI.2020.04.52.2.70
이용수
이 논문의 연구 히스토리 (4)
2018
Comparison of the Effects of Different Conditions in Sodium Carbonate and Calcium Hydroxide Pretreatment on Glucose Yield
Soodeh Zhand
,
Myung-Joon Jeong
,
Bong Suk Yang
외 1명
한국펄프·종이공학회 학술발표논문집
2018.10
학술대회자료
Evaluation of the Effect of Mild Conditions in Alkaline Pretreatment with Sodium Carbonate and Calcium Hydroxide on Glucose Content of Eucalyptus
Soodeh Zhand
,
Myung-Joon Jeong
,
Bong Suk Yang
외 1명
한국펄프·종이공학회 학술발표논문집
2018.04
학술대회자료
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초록· 키워드
오류제보하기
In this study, a dilute alkaline pretreatment (sodium carbonate and calcium hydroxide mixture) was evaluated for saccharification of extruded Eucalyptus wood. The hydroxide ions produced by the alkaline combination is remarkably more effective than using the alkaline compounds individually. Three critical factors for the simultaneous pretreatment and saccharification process, such as the pretreatment time, temperature, and molar concentration of Na₂CO₃:Ca(OH)₂, were optimized to maximize bio sugar yield. The results show that although the lignin amount of hardwoods (i.e., Eucalyptus ) is high (34.8%), but it is possible to overcome the recalcitrant of wood and improve glucose yields by employing this combined pretreatment (mechanical and chemical). The results also show that the glucose conversion by the enzyme was improved by approximately 14% for every 10% increase in delignification rate. However, simultaneously, the yield of glucose was reduced by approximately 7% during every 10% increase in delignification rate during alkaline pretreatment. This study indicated that mild sodium carbonate and calcium hydroxide pretreatment effectively reduced biomass recalcitrance and subsequently improved the digestibility of lignocellulosic biomass.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
Literature Cited
참고문헌 (19)
참고문헌 신청
Sun, X. F. / 2005 / Extraction and characterization of original lignin and hemicelluloses from wheat straw / Journal of Agricultural and Food Chemistry 53(4):860~870
Alvira, P. / 2010 / Pretreatment technologies for an efficient bioethanol production process based on enzymatic hydrolysis : A review / Bioresource Technology 101(13):4851~4861
Divne, C. / 1994 / The three-dimensional crystal structure of the catalytic core of cellobiohydrolase I from Trichoderma reesei / Science 265(5171):524~528
Zhang, Y. H. P. / 2004 / Toward an aggregated understanding of enzymatic hydrolysis of cellulose : Noncomplexed cellulase systems / Biotechnology and Bioengineering 88(7):797~824
Medve, J. / 1998 / Hydrolysis of microcrystalline cellulose by cellobiohydrolase I and endoglucanase II from Trichoderma reesei: Adsorption, sugar production pattern, and synergism of the enzymes / Biotechnology and Bioengineering 59(5):621~634
Alvira, P. / 2010 / Pretreatment technologies for an efficient bioethanol production process based on enzymatic hydrolysis : A review / Bioresource Technology 101(13):4851~4861
Divne, C. / 1994 / The three-dimensional crystal structure of the catalytic core of cellobiohydrolase I from Trichoderma reesei / Science 265(5171):524~528
Zhang, Y. H. P. / 2004 / Toward an aggregated understanding of enzymatic hydrolysis of cellulose : Noncomplexed cellulase systems / Biotechnology and Bioengineering 88(7):797~824
Medve, J. / 1998 / Hydrolysis of microcrystalline cellulose by cellobiohydrolase I and endoglucanase II from Trichoderma reesei: Adsorption, sugar production pattern, and synergism of the enzymes / Biotechnology and Bioengineering 59(5):621~634
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