在闭环和系统集成的循环生物经济中,将微藻种植的食物废弃物再循环转化为脂质生产
Guowei Wu1, Jun Wei Roy Chong1, Kuan Shiong Khoo2,3
1Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, 43500, Semenyih, Malaysia.
Biotechnology for biofuels and bioproducts
|July 11, 2025
概括
将食物损失和废弃物转化为微藻培养基提供了一个可持续的循环生物经济解决方案. 这种方法增强了生物质和脂质的生产,减轻了温室气体排放.
科学领域:
- 生物技术和生物经济
- 环境科学与可持续发展
背景情况:
- 食物损失和浪费 (FLW) 在线性食品系统中对温室气体 (GHG) 排放有重大贡献.
- 生物燃料和多不和脂肪酸 (PUFA) 的微藻脂质生产已经确立,但使用FLW作为原料尚未得到充分探索.
研究的目的:
- 批判性地评估将FLW转化为为微藻种植的富含营养介质的可行性.
- 评估FLW衍生媒介对微藻生物质生产率和脂质积累的影响.
- 确定挑战,并提出在循环生物经济中大规模实施战略.
主要方法:
- 审查FLW的预处理方法,以增强营养回收和碳源生物可用性.
- 分析营养比例 (C/N/P) 对微藻脂类生物合成途径的影响.
- 评估实验室规模的结果,并确定大规模种植的障碍.
主要成果:
- 预处理方法对于营养恢复至关重要,并对微藻种植和脂质含量产生重大影响.
- 来自FLW的介质可以支持微藻生长和脂质积累,提供有前途的替代原料.
- 实验室结果显示潜力,但原料异质性,能源需求和法规阻碍了扩大规模.
结论:
- 将FLW转化为微藻培养基是循环生物经济的可行策略,减少温室气体排放.
- 为了成功扩大规模,需要使用代谢工程,自动化系统和生物炼油厂等整合性策略.
- 生命周期评估 (LCA) 对于评估环境绩效和为可持续发展目标 (SDGs) 制定政策提供信息至关重要.
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