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Language: korean

Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received August 7, 2013
Accepted December 12, 2013

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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다양한 산 촉매에서 자이란 가수분해 특성

Study on the Hydrolysis Kinetics of Xylan on Different Acid Catalysts

나병일 이재원^†

Byeong-Il Na Jae-Won Lee^†

전남대학교 농업생명과학대학 산림자원학부, 500-757 광주광역시 북구 용봉로 77

Department of Forest Products and Technology, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 500-757, Korea

ljw43376@chonnam.ac.kr

Korean Chemical Engineering Research, April 2014, 52(2), 226-232(7), 10.9713/kcer.2014.52.2.226 Epub 1 April 2014

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Abstract

본 연구에서는 120~150 ℃에서 다양한 산 촉매에 의한 자이란 가수분해 거동을 조사하였다. 또한 자이란에서 자이로스 생성과 자이로스로부터 푸르푸랄 분해에 대한 kinetic 인자를 분석하였다. 높은 반응온도와 산 촉매 농도는 자이란 가수분해와 자이로스 분해를 촉진하였다. 최대 반응속도상수(k1)에 대한 가수분해 조건은 산 촉매에 따라 다르게 나타났다. 황산, 옥살산, 말레산 중에서 자이란 반응속도상수(k1)는 황산 100 mM로 120 ℃에서 반응하였을 때 0.0241 min^(-1)로 가장 높게 나타났다. 하지만 황산은 옥살산, 말레산과 비교하여 자이로스 분해를 더욱 유도하여 상대적으로 높은 푸르푸랄을 생성하였다. 자이란 분해에 관여하는 활성화 에너지는 황산에서 가장 높게 나타났다.

In this study, we investigated kinetic model for the acid-catalyzed xylan hydrolysis at temperature 120~150 ℃. Also, we analyzed the kinetic parameters for xylose production and furfural decomposition. The hydrolysis of xylan and the degradation of xylose were promoted by high reaction temperature and acid concentration. The optimal hydrolysis condition for the highest reaction rate constants (k1) was different depending on the acid catalysts. Among sulfuric, oxalic and maleic acid, the xylan reaction rate constants (k1) to xylose had the highest value of 0.0241 min^(-1) when 100 mM sulfuric acid was used at 120 ℃. However, sulfuric acid induced more xylose degradation compared to oxalic and maleic acid hydrolysis. The activation energy for xylan degradation was the highest when sulfuric acid was used.

Keywords

Kinetic Acid-catalyzed Hydrolysis Xylose Furfural

References

Sun Y, Cheng JY, Bioresour. Technol., 83(1), 1 (2002)
Jensen JR, Morinelly JE, Gossen KR, Brodeur-Campbell MJ, Shonnard DR, Bioresour. Technol., 101(7), 2317 (2010)
Soderstrom J, Pilcher L, Galbe M, Zacchi G, Biomass Bioenerg., 24(6), 475 (2003)
Han M, Kim Y, Kim Y, Chung B, Choi GW, Korean J. Chem. Eng., 28(1), 119 (2011)
Kim JS, Korean Chem. Eng. Res., 51(3), 303 (2013)
Wingre A, Galbe M, Zacchi G, Bioresour. Technol., 99, 222 (2008)
Kenealy W, Horn E, Houtman C, Holzforschung, 61, 223 (2007)
Kootstra AMJ, Mosier NS, Scott EL, Beeftink HH, Biochem. Eng. J., 43, 92 (2009)
Lee JW, Jeffries TW, Bioresour. Technol., 102(10), 5884 (2011)
Carrasco F, Roy C, Wood Sci. Technol., 26, 189 (1992)
Tellez-Luis SJ, Ramirez JA, Vazquez M, J. Food Eng., 52, 285 (2002)
Rahman SHA, Choudhury JP, Ahmad AL, Biochem. Eng. J., 30, 97 (2006)
Mosier NS, Sarikaya A, Ladisch CM, Ladisch MR, Biotechnol. Prog., 17(3), 474 (2001)
Liu X, Lu M, Ai N, Yu F, Ji J, Ind. Crops Products, 38, 81 (2012)
Yat SC, Berger A, Shonnard DR, Bioresour. Technol., 99(9), 3855 (2008)