Potential of butanol production from Thailand marine macroalgae using Clostridium beijerinckii ATCC 10132-based ABE fermentation

被引:0
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作者
Khaonuan, Sireethorn [1 ,2 ]
Jariyaboon, Rattana [2 ,3 ]
Usmanbaha, Nikannapas [1 ,2 ]
Cheirsilp, Benjamas [4 ]
Birkeland, Nils-Kare [5 ]
Kongjan, Prawit [2 ,3 ,6 ]
机构
[1] Prince Songkla Univ, Fac Engn, Energy Technol Program, Hat Yai, Thailand
[2] Prince Songkla Univ, Fac Sci & Technol, Biomass Convers Energy & Chem Biomec Res Unit, Pattani, Thailand
[3] Prince Songkla Univ, Fac Sci & Technol, Dept Sci, Pattani, Thailand
[4] Prince Songkla Univ, Biotechnol Bioresource Utilizat Lab, Dept Ind Biotechnol, Fac Agroind, Hat Yai, Songkhla, Thailand
[5] Univ Bergen, Dept Biol Sci, Bergen, Norway
[6] Prince Songkla Univ, Dept Sci, Fac Sci & Technol, Pattani 90112, Thailand
关键词
ABE fermentation; butanol; Clostridium beijerinckii; third-generation biomass; HYDROTHERMAL PRETREATMENT; ETHANOL; ACETONE; OPTIMIZATION; BIOMASS; HYDROLYSIS; SUBSTRATE; BIOFUEL; STALK;
D O I
10.1002/biot.202300026
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The economical bio-butanol-based fermentation process is mainly limited by the high price of first-generation biomass, which is an intensive cost for the pretreatment of second-generation biomass. As third-generation biomass, marine macroalgae could be potentially advantageous for conversion to clean and renewable bio-butanol through acetone-butanol-ethanol (ABE) fermentation. In this study, butanol production from three macroalgae species (Gracilaria tenuistipitata, Ulva intestinalis, and Rhizoclonium sp.) by Clostridium beijerinckii ATCC 10132 was assessed comparatively. The enriched C beijerinckii ATCC 10132 inoculum produced a high butanol concentration of 14.07 g L-1 using 60 g L-1 of glucose. Among the three marine seaweed species, G. tenuistipitata exhibited the highest potential for butanol production (1.38 g L-1). Under the 16 conditions designed using the Taguchi method for low-temperature hydrothermal pretreatment (HTP) of G. tenuistipitata, the maximum reducing sugar yield rate of 57.6% and ABE yield of 19.87% were achieved at a solid to liquid (S/L) ratio of 120, temperature of 110 & DEG;C, and holding time of 10 min (Severity factor, R-0 1.29). In addition, pretreated G. tenuistipitata could be converted to 3.1 g L-1 of butanol using low-HTP at an S/L ratio of 50 g L-1, temperature of 80 & DEG;C (R-0 0.11), and holding time of 5 min.
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页数:13
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