提高生物产量:对单个和组合生物质预处理技术的比较研究
Chelladurai Mumtha1, Pambayan Ulagan Mahalingam2
1Department of Biology, The Gandhigram Rural Institute- (Deemed to Be University), Dindigul-Gandhigram, Tamil Nadu, 624 302, India.
Applied biochemistry and biotechnology
|June 17, 2025
概括
这项研究探讨了从乳清和甘包生产生物的联合预处理方法. 优化了甘袋的酸性水解,产生了最高的生物产量,证明了可持续的能源替代品.
科学领域:
- 生物技术和生物工程 生物技术和生物工程
- 可再生能源可再生能源来源
- 生物质转换生物质转换
背景情况:
- 生物的生产是一个有希望的,具有成本效益的替代能源技术.
- 乳清 (DW) 和甘 (SCB) 是生产生物的潜在原料.
- 联合预处理方法可以提高生物质转换的效率.
研究的目的:
- 对DW和SCB进行联合预处理方法 (热处理,超声波,酸水解) 的有效性进行研究,以提高生物的生产.
- 分析生物质原料在预处理后的物理化学变化.
- 为了确定最大化累积产量的最佳条件.
主要方法:
- 批量测试使用热处理,超声波和DW和SCB上的酸水解进行.
- 物理化学表征采用了里埃转换红外光谱学 (FTIR),X射线衍射 (XRD),扫描电子显微镜 (SEM) 和能量散射X射线分析 (EDAX).
- 优化了SCB的酸化条件,在121°C使用2M H2SO4进行90分钟的酸化,然后在37°C进行共同培养发酵.
主要成果:
- 热处理的DW实现了累计气产量为153.4 ± 2.0 mL H2/L,比未经处理的生物质增加了20%.
- FTIR分析显示了半纤维素和素的去除,而SEM显示了纤维的降解.
- 优化的SCB预处理和共同培养条件导致最高的累积气产量为189.6±4.3毫升H2/L.
结论:
- 联合预处理策略显著提高了DW和SCB的生物产量.
- 酸性水解,然后是共同培养发酵,是最大限度地提高SCB生物生产的有效方法.
- 这项研究支持从生物质原料中有效和可持续地产生生物的潜力.
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