Production of Humic Acid by a Bacillus megaterium Strain Using Vinasse

被引：0
|
作者：
Nan Li
Zhi-Nian Deng
Yuan-Wen Wei
Hui-Qing Cao
Yang-Rui Li
机构：
[1] Guangxi University,College of Life Science and Technology
[2] Guangxi Academy of Agricultural Sciences,Guangxi Crop Genetic Improvement and Biotechnology Laboratory, China Ministry of Agriculture Key Laboratory of Sugarcane Biotechnology and Genetic Improvement (Guangxi), Guangxi Key Laboratory of Sugarcane Genetic I
来源：
Sugar Tech | 2018年 / 20卷
关键词：
Vinasse; Humic acid; Fermentation condition; Infrared spectrum;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Humic acid can be produced by a Bacillus megaterium strain, AS019, using vinasse (sugarcane mill wastewater) at an optimal concentration of 12 °Bx. Using single factor and orthogonal experiments, the optimal culture conditions were determined: optimum inoculum size, 15%; initial pH, 6.0; culture time, 8 days; rotation speed, 180 rpm; and temperature, 28 °C. Under the optimal conditions, the humic acid production rate for the strain was 49.50 g/L. The results of characterization and infrared spectral analysis revealed that the produced humic acid contained a variety of reactive functional groups.
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收藏
页码：163 / 167
页数：4
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