菜花废料在可持续生物丁醇生产中的利用：干燥动力学和生物工艺开发的揭示。
Cauliflower waste utilization for sustainable biobutanol production: revelation of drying kinetics and bioprocess development.
机构信息
Department of Chemical Engineering, Bharati Vidyapeeth Deemed University College of Engineering, Pune, 411 043, India.
Department of Bioproducts and Biosystems, Aalto University School of Chemical Engineering, P.O. Box 16100, 00076, Aalto, Finland.
出版信息
Bioprocess Biosyst Eng. 2017 Oct;40(10):1493-1506. doi: 10.1007/s00449-017-1806-y. Epub 2017 Jul 3.
Efficient yet economic production of biofuel(s) using varied second-generation feedstock needs to be explored in the current scenario to cope up with global fuel demand. Hence, the present study was performed to reveal the use of cauliflower waste for acetone-butanol-ethanol (ABE) production using Clostridium acetobutylicum NRRL B 527. The proximate analysis of cauliflower waste demonstrated to comprise 17.32% cellulose, 9.12% hemicellulose, and 5.94% lignin. Drying of cauliflower waste was carried out in the temperature range of 60-120 °C to investigate its effect on ABE production. The experimental drying data were simulated using moisture diffusion control model. The cauliflower waste dried at 80 °C showed maximum total sugar yield of 26.05 g L. Furthermore, the removal of phenolics, acetic acid, and total furans was found to be 90-97, 10-40, and 95-97%, respectively. Incidentally, maximum ABE titer obtained was 5.35 g L with 50% sugar utilization.
为了应对全球燃料需求，在当前形势下，需要探索使用各种第二代原料来高效且经济地生产生物燃料。因此，本研究旨在利用花椰菜废料通过丙酮丁醇乙醇（ABE）发酵生产技术，采用 Clostridium acetobutylicum NRRL B 527 进行研究。花椰菜废料的初步分析表明，其纤维素含量为 17.32%，半纤维素含量为 9.12%，木质素含量为 5.94%。在 60-120°C 的温度范围内对花椰菜废料进行干燥，以研究其对 ABE 生产的影响。使用水分扩散控制模型对实验干燥数据进行模拟。在 80°C 下干燥的花椰菜废料显示出最高的总糖产率为 26.05g/L。此外，酚类物质、乙酸和总呋喃的去除率分别为 90-97%、10-40%和 95-97%。偶然的是，在 50%糖利用率下，最大 ABE 浓度为 5.35g/L。
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