微藻种植与生物甲化产生的废水作为可持续生物乙醇生产的营养来源的整合方法
Sarika Loni1, Ajay Shinde2, Rahul Kshirsagar2
1Amity Institute of Biotechnology, Amity University Maharashtra, Mumbai 410206, India; Organic Recycling Systems Ltd, Navi Mumbai 400705, India.
Bioresource technology
|October 25, 2025
概括
这项研究使用富含营养的无氧消化废水 (ADW) 来培养微藻,以实现可持续的生物乙醇生产. 该过程有效地去除营养物质并将生物质转化为生物燃料,提供废物利用和可再生能源的双重好处.
科学领域:
- 生物技术是生物技术.
- 环境科学 环境科学
- 可再生能源可再生能源是可再生能源.
背景情况:
- 无氧消化废水 (ADW) 是一种富含营养的副产品,其处置具有挑战.
- 微藻种植为营养恢复和生物质产生提供了一条可持续的途径.
- 提升ADW的价值可以缓解肥胖和创造有价值的产品.
研究的目的:
- 开发一种基于稀释的微藻种植策略,使用ADW.
- 评估ADW在生产生物乙醇微藻生物质方面的效率.
- 评估ADW的营养去除和生物燃料生产.
主要方法:
- 在ADW的各种稀释中培养了微藻.
- 生物质的生产率和营养物质的去除被测量在实验室和扩大规模的水平.
- 分析了生物质成分,随后进行了酸性预处理和生物乙醇发酵.
主要成果:
- 2%的ADW实现了最高的生物质生产率 (73.50毫克L-1d-1在实验室规模,84.58毫克L-1d-1在扩大规模).
- 观察到高的营养物质去除效率:97.16%的氨,80.20%的酸盐,73.80%的酸盐和75.28%的COD.
- 生物质产生了141.24毫克减糖,产生了65.80毫克生物乙醇.
结论:
- ADW是微藻种植和生物乙醇生产的可行和可持续的媒介.
- 综合方法提供了有效的营养回收和废水利用.
- 这种方法对环境管理和可再生生物燃料的产生有双重好处.
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