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作为移动床生物膜反应堆中的生物载体的新型料,以提高同时化和脱性能

Mingyi Lu¹, Feng Zhao¹, Fan Qin¹

¹Shandong Engineering Research Center for Biogas, Qingdao New Energy Shandong Laboratory, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao 266101, PR China; Shandong Energy Institute, Qingdao 266101, PR China.

Bioresource technology

|February 11, 2024

概括

新型聚合材料提高了移动床生物膜反应器 (MBBR) 性能,用于同时化和脱化 (SND). 与传统方法相比,这些生物载体显著提高了去除效率和生物质积累.

科学领域:

环境工程环境工程
水处理技术水处理技术
生物技术是生物技术.

背景情况:

移动床生物膜反应器 (MBBR) 的稳定运行严重依赖于有效的生物载体.
实现高效的同时化和脱 (SND) 对于先进的废水处理至关重要.
当前的生物载体材料可能会限制生物质积累和反应堆的整体性能.

研究的目的:

研究新型集群材料作为MBBR中生物载体的有效性,以增强SND.
评估蜂群载体特征对生物膜形成和去除的影响.
为了比较使用新型集群载体的MBBR与传统系统的性能.

主要方法:

进行了生物膜形成实验,以评估不同波载体长度上的生物质积累.
使用新型集群载体 (5.0毫米) 和控制组的MBBR连续运行.
分析总去除,SND速率,细胞外聚合物质 (EPS),蛋白质含量和微生物群落结构.

主要成果:

较长的集群载体 (5.0毫米) 促进了更大的生物质积累和更高的氧气吸收率.
采用5.0毫米聚合载体的MBBR实现了52.0%的总去除率和70.5%的SND性能.
与对照组相比,这些结果代表了总去除和SND分别在29.1%和33.3%的显著改善.
在蜂群载体的生物膜中观察到EPS和蛋白质的丰富度增加.
检测到提高了脱细菌的相对丰富性和增强的代谢途径.

结论:

新型集群材料是提高MBBR性能的有效生物载体.
使用5.0毫米的聚合载体显著提高了同时化和脱的性能.
这些发现凸显了聚合生物载体在先进废水处理应用中的潜力.

关键词:

生物膜的形成过程.漂浮的运输船员漂浮的运输船员移除的方法移除的方法氧气吸收率是指氧气的吸收速度.

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