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超快速启动的生物化,用于从源分离的尿液中恢复营养

Fangjun Wang¹, Yanling Yang¹, Jichun Gao¹

¹College of Architecture and Civil Engineering, Beijing University of Technology, Beijing, 100124, PR China.

|August 10, 2025

概括

补充贝他因通过改善微生物盐耐受性和代谢过程,显著提高了尿液化. 这种可持续的方法加快了启动时间,并提高了化率,以有效地回收资源.

科学领域:

环境微生物学环境微生物学
废水处理废水处理
生物技术是生物技术.

背景情况:

生物化是一种用于回收尿资源的可持续方法.
尿液中的高盐度和会抑制微生物的活动,延迟启动并导致不稳定.
现有的方法难以应对尿液成分所带来的挑战.

研究的目的:

研究贝他因在增强尿液生物化中的有效性.
了解贝他因改善微生物盐耐受性和代谢功能的机制.
评估贝他因对化速率,稳定性和从尿液中恢复营养素的影响.

主要方法:

在尿化系统中添加贝他因 (150 mg·L-1).
用贝他因处理的系统与没有贝他因的传统系统的比较.
分析微生物社区结构,基因表达 (化细菌,功能基因),细胞外聚合物质和代谢途径.
评估贝他因增强肥料的营养恢复效率和植物毒性.

主要成果:

贝他因将化启动时间从98天缩短到36天,并将化速率从313.9升至563.7毫克N·L−1·d−1.1.
贝他因改善了微生物盐耐受性,污泥聚合,透平衡和能量代谢,从而提高了化稳定性和弹性.
用贝他因处理的尿液肥料显示出高的营养回收效率和降低的植物毒性,表明了农业再利用的潜力.

结论:

贝他因是加速和稳定高盐度尿液中的生物化的一个有效策略.
贝他因通过调节盐耐受机制并优化微生物代谢来增强化作用.
这种方法为可持续的废水处理和农业资源回收提供了巨大的潜力.

关键词:

贝他因 (betaine) 是一种维生素.生物化生物化代谢机制的代谢机制营养物质的恢复营养物质的恢复由来源分离的尿液.

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