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有机物生物过性能建模:影响水质,操作条件和生物质的影响

Leigh G Terry¹, Eric Peterson², R Scott Summers²

¹Department of Civil, Construction, and Environmental Engineering, University of Alabama, Box 870205, Tuscaloosa, AL 35487, USA.

|December 23, 2023

概括

生物过有效地去除溶解有机碳 (DOC),其性能受溶解有机物 (DOM) 来源,空床接触时间 (EBCT) 和温度的影响. 开发了预测模型,以优化生物过器在水处理中的效率.

科学领域:

环境工程环境工程
水处理技术水处理技术
生物反应器设计设计

背景情况:

在源水中溶解的有机物 (DOM) 影响生物过性能.
了解DOM来源及其生物降解性对于有效的水处理至关重要.
废水 (WW) 排放和臭氧化显著改变了DOM特征.

研究的目的:

为了评估DOM来源,空床接触时间 (EBCT),温度和预处理对生物过性能的影响.
开发生物过器中溶解有机碳 (DOC) 清除的预测模型.
评估生物质活动 (ATP) 与DOM源和操作条件相关.

主要方法:

使用了三种DOM源水类型:陆地,微生物和经过处理的废水 (WW) 废水.
开发了基于可生物降解DOC (BDOC) 分数,生物质和EBCT的DOC去除的预测模型.
在不同的EBCT,温度和DOM条件下测量了BDOC分数,DOC/BDOC去除效率和腺三酸盐 (ATP) 值.

主要成果:

生物过器在15分钟的EBCT中去除了7-21%的DOC (19-50%的BDOC),根据DOM类型和臭氧化而有所不同.
在30分钟的EBCT中,DOC去除效率增加了42%,在5分钟的EBCT中降低了40%.
较高的温度和臭氧化WW废水显著增加了DOC去除和生物质活性 (ATP).

结论:

开发的预测模型准确估计了DOC去除生物过器的性能.
对实验数据和文献的模型验证证实了它的适用性.
优化EBCT,温度和预处理 (例如臭氧化) 可以提高各种源水的生物过效率.

关键词:

这就是ATPATPATP ATP.生物过器是一种生物过器.饮用水饮用水饮用水在 EBCT 中, EBCT 是温度温度是指温度.重新利用水的方法

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