使用托盘干燥机优化微藻生物质干燥的操作条件
R López Pastor1,2, M G Pinna-Hernández3,4, J A Sánchez Molina5,6
1Solar Energy Research Centre (CIESOL), Joint Centre University of Almería-CIEMAT, Almería, 04120, Spain. rlp648@ual.es.
Scientific reports
|January 29, 2026
概括
克洛雷拉微藻生物质的托盘干燥是可行的,由于更薄的层和更高的温度减少了干燥时间. 然而,温度和时间的增加导致色素降解,需要对生物炼油厂进行优化.
科学领域:
- 生物质价值化 生物质价值化
- 干燥技术 干燥技术
- 微藻加工加工 微藻加工
背景情况:
- 干燥微藻生物质对于稳定性和下游应用至关重要,但耗费大量能源.
- 传统的干燥方法在能源效率和产品质量方面存在挑战.
- 托盘干燥为微藻生物质加工提供了一个潜在的替代方案.
研究的目的:
- 评估对Chlorella sp.进行托盘干燥的技术可行性和性能. 生物质.生物质.
- 研究干燥温度和生物质层厚度对干燥动力学的影响.
- 评估干燥条件对微藻颜料质量的影响.
主要方法:
- 实验是使用Chlorella sp.进行的. 在模拟的工业托盘干燥机中的生物质.
- 干燥温度在60至80°C之间,层厚度在0.3至1.0厘米之间.
- 干燥动力学是使用功率定律方程建模的,并且用光谱光度分析了颜料质量.
主要成果:
- 通过更薄的生物质层和更高的温度,减少了干燥时间,在80°C和0.3厘米厚度下,在5小时内达到完全脱水.
- 在干燥效率和生物质质量之间观察到一个显著的权衡,随着更高的温度和更长的干燥时间,颜料降解的增加.
- 开发了一个多项式模型,以根据操作参数预测色素恶化.
结论:
- 托盘干燥是微藻生物质加工的可行方法,可减少干燥时间.
- 优化托盘干燥参数对于平衡能源效率与保存颜料等有价值的生物质成分至关重要.
- 该研究为设计和扩大微藻生物炼油厂的托盘干燥系统提供了框架.
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