在现场微生物蛋白质生产,使用从多功能生物电化学系统中提取的
Qile Zhu1, Xiaoyue Li1, Zhenchuan Nie1
1Biomass Energy and Environmental Engineering Research Center, Beijing University of Chemical Technology, Beijing, 100029, China; College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
Journal of environmental management
|September 26, 2023
概括
这项研究开发了一种新的生物电化学系统,用于优化废. 它实现了高微生物蛋白质生产和显著的二氧化碳消耗,证明了废水处理的经济潜力.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 电化学 电化学 电化学
背景情况:
- 可持续发展需要升级废弃物源.
- 传统的方法往往面临效率和环境影响的局限性.
研究的目的:
- 建立一个多功能生物电化学系统,同时进行废物改性,微生物蛋白质生产,二氧化碳消耗和发电.
- 为了研究氨-迁移的动力学和系统内的微生物蛋白质生产.
主要方法:
- 一个三室生物电化学系统被设计和运行.
- 氧化细菌 (HOB) 用于中央腔中的微生物蛋白质生产.
- 在阳极室中使用电致细菌进行化学氧气需求降解和发电.
- 应用了动力模型 (Levenberg-Marquardt和Gompertz) 来分析系统性能.
主要成果:
- 通过HOB.实现了2.02g/L的现场微生物蛋白 (MP) 生产.
- 证明二氧化碳消耗率超过2.9 L / L·d).
- 降解了69%的化学氧气需求,产生了394.67 J/L的电力.
- 在生产的MP中确定了必需氨基酸,其概况优于鱼和大豆.
- 动力分析显示,NH4+-N迁移和HOB增长 (R2 > 0.92和R2 > 0.99,分别) 很适合.
结论:
- 多功能生物电化学系统有效地升级废,生产有价值的微生物蛋白质和消耗二氧化碳.
- 该系统显示了废水处理的经济潜力,简化经济评估显示价值为6.69欧元/m3.
- 这种方法为废物管理和资源回收提供了可持续和创新的解决方案.
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