Ethanol production from Laminaria japonica: Effect of metal ion adsorption

Sung-Mok Lee; Jae-Hwa Lee

Journal of Industrial and Engineering Chemistry, Vol.18, No.5, 1662-1665, September, 2012

DOI10.1016/j.jiec.2012.03.002 Export Citation

Ethanol production from Laminaria japonica: Effect of metal ion adsorption

Sung-Mok Lee, and Jae-Hwa Lee^†

Department of Bioscience and Biotechnology, Silla University, Busan 617-736, Republic of Korea

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In this study, the increased ethanol production was achieved by treating Laminaria japonica with a chelating agent (ethylenediaminetetraacetic acid (EDTA) and nitrilotriacetic acid (NTA) were tested). The alcohol dehydrogenase (ADH) activity increased with increase in L. japonica concentration, and was approximately 188.75% at 20 g/L of L. japonica. Therefore, this study resulted in inhibited ADH activity due to metal ion adsorption. The highest activity degradation from EDTA or NTA was 41.83 and 50.32%, respectively. Ethanol fermentation was not possible with EDTA treatment due to the prevention of cell growth. Ethanol production was detected only with NTA treatment with a maximum ethanol yield of 1.58 g/L at 60 mM NTA.

Keywords:Bio ethanol;L. japonica;Chelate;ADH

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[Related Articles]

[1] Pall P, Aina T, Stone DA, Stott PA, Nozawa T, Hilberts AGJ, Lohmann D, Allen MR, Nature., 470, 382 (2011)

[2] Min SK, Zhang X, Zwiers FW, Hegerl GC, Nature., 470, 378 (2011)

[3] Park JI, Woo HC, Lee JH, Korean Chem. Eng. Res., 46(5), 833 (2008)

[4] Jung KW, Kim DH, Shin HS, Bioresour. Technol., 102(3), 2745 (2011)

[5] Lee SM, Lee JH, Bioresour. Technol., 102(10), 5962 (2011)

[6] Lee SM, Lee JH, J. Ind. Eng. Chem., 18(1), 16 (2012)

[7] Kim JH, Mok JS, Park HY, J. Korean Soc. Food Sci. Nutr., 34, 1041 (2005)

[8] Al-Masri MS, Mamish S, Budier Y, J. Environ. Radioact., 67, 157 (2003)

[9] Phaneuf D, Cote I, Dumas P, Ferron LA, LeBlanc A, Environ. Res., 80, 175 (1999)

[10] Netten CV, Cann SAH, Morley DR, Netten JPV, Sci. Total Environ., 255, 169 (2000)

[11] Kagi JHR, Vallee BL, J. Biol. Chem., 235(11), 3188 (1960)

[12] Atkinson MR, Eckermann G, Lilley RM, Biochem. J., 104, 872 (1967)

[13] Campanella L, Conti ME, Cubadda F, Sucapane C, Environ. Pollut., 111(1), 117 (2001)

[14] Hou X, Yan X, Sci. Total Environ., 222, 141 (1998)

[15] Besada V, Andrade J, Schultze F, Gonzalez J, J. Mar. Syst., 75, 305 (2009)

[16] Sankaran B, Bonnett SA, Shah K, Gabriel S, Reddy R, Schimmel P, Rodionov DA, de Cre´ cy-Lagard V, Helmann JD, Iwata-Reuyl D, Swairjo MA, J. Bacteriol., 191(22), 6936 (2009)