Ferric chloride를 이용한 Eucheuma spinosum으로부터 플렛폼 케미컬의 생산

정귀택; 김성구; Gwi-Taek Jeong; Sung-Koo Kim

Korean Chemical Engineering Research, Vol.58, No.2, 293-300, April, 2020

DOI10.9713/kcer.2020.58.2.293 Export Citation

Ferric chloride를 이용한 Eucheuma spinosum으로부터 플렛폼 케미컬의 생산

Conversion of Red-macroalgae Eucheuma spinosum to Platform Chemicals Under Ferric Chloride-catalyzed Hydrothermal Reaction

정귀택^†, 김성구

부경대학교 생물공학과, 48513 부산광역시 남구 용소로 45

Gwi-Taek Jeong^†, and Sung-Koo Kim

Department of Biotechnology, Pukyong National University, 45, Yongso-ro, Nam-gu, Busan, 48513, Korea

E-mail:

초록

홍조류인 Eucheuma spinosum은 카라기난을 주된 다당으로 함유하고 있으며 Indonesia, Malaysia, Philippines, China, Tanzania 등지에서 상업적으로 생산되고 있다. 본 연구에서는 E. spinosum을 대상으로 FeCl3-촉매 수열반응을 통하여당과 화학중간체(5-HMF, levulinic acid, formic acid)로 전환하고자 하였다. 통계적 실험법(3-수준-3-인자의 Box-Behnken design)을 적용하여 반응인자(반응온도, 촉매농도, 반응시간)의 최적화와 영향을 평가하였다. 최적화 결과, 5-HMF의 농도는 160 °C, 0.4M FeCl3, 10 min에서 2.96 g/L가 생성되었다. Levulinic acid와 formic acid의 최적 조건은 200 °C, 0.6M FeCl3, 30 min으로 결정되었고, 농도는 각각 4.26 g/L와 3.77 g/L이었다.

Eucheuma spinosum, red macro-algae, contains carrageenan as the major polysaccharide and is commercially produced in Indonesia, Malaysia, Philippines, China and Tanzania. In this study, E. spinosum was converted to sugar and platform chemicals (5-HMF, levulinic acid, formic acid) via FeCl3-catalytic hydrothermal reaction. In addition, statistical methodology (3-level 3-factor Box-Behnken design) was applied to optimize and evaluate the effects of reaction factors (reaction temperature, catalyst concentration and reaction time). As a result of optimization, the concentration of 5-HMF was obtained to be 2.96 g/L at 160 °C, 0.4 M FeCl3 and 10 min. Optimal conditions of levulinic and formic acids were determined at 200 °C, 0.6M FeCl3 and 30 min, and the concentrations were obtained to be 4.26 g/L and 3.77 g/L, respectively.

Keywords:Euchema spinosum;Platform chemicals;Ferric chloride;Hydrothermal reaction

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[4] Chheda JN, Roman-Leshkov Y, Dumesic JA, Green Chem., 9, 342 (2007)

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[6] Siripong P, Doungporn P, Yoo HY, Kim SW, Korean J. Chem. Eng., 35(12), 2413 (2018)

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[8] Jeong GT, Park DH, KSBB Journal, 26, 341 (2011)

[9] Jeong GT, Kim SK, Park DH, Bioresour. Technol., 181, 1 (2015)

[10] Park MR, Kim SK, Jeong GT, Algal Res., 31, 116 (2018)

[11] Lee SB, Kim SK, Hong YK, Jeong GT, Algal Res., 13, 303 (2016)

[12] Kim DH, Lee SB, Kim SK, Park DH, Bioenerg. Res., 9, 1155 (2016)

[13] Ra CH, Jung JH, Sunwoo IY, Kang CH, Jeong GT, Kim SK, J. Microbiol. Biotechnol., 25, 856 (2015)

[14] Kim MJ, Kim JS, Ra CH, Kim SK, KSBB Journal, 28(5), 315 (2013)

[15] Zhang HD, Ye GY, Wei YT, Li X, Zhang AP, Xie J, Bioresour. Technol., 229, 96 (2017)

[16] Zheng XJ, Zhi ZH, Gu XC, Li XY, Zhang R, Lu XB, Fuel, 187, 261 (2017)

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[19] Kim HS, Park MR, Kim SK, Jeong GT, Korean J. Chem. Eng., 35(6), 1290 (2018)

[20] Chemical Economics Handbook, 2016. Formic acid. https://www.ihs.com/products/formic-acid-chemical-economics-handbook.html. (Accessed 07 Feb. 2020).

[21] Zhou D, Hou Q, Liu W, Ren X, J. Ind. Eng. Chem., 47, 281 (2017)

[22] Joo F, ChemSusChem, 1(10), 805 (2008)

[23] Banerji A, Balakrishnan M, Kishore VVN, Appl. Energy, 104, 197 (2013)

[24] Estrada-Martinez R, Favela-Torres E, Soto-Cruz NO, Escalona-Buendia HB, Saucedo-Castaneda G, Biotechnol. Bioproc. E, 24(2), 401 (2019)

[25] Park MR, Kim SK, Jeong GT, Biotechnol. Bioproc. E., 23(3), 302 (2018)

[26] Jeong GT, Korean J. Microbiol. Biotechnol., 42(2), 177 (2014)