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Evaluation of influent microbial immigration to activated sludge is affected by different-sized community segregation
npj Clean Water ( IF 11.4 ) Pub Date : 2021-03-22 , DOI: 10.1038/s41545-021-00112-7
Bing Guo , Zhiya Sheng , Yang Liu

Activated sludge (AS) microbial communities were analyzed for seasonal variation, a disturbance-recovery event, and separated small aggregates (SAG) to study the influent immigration effect using both neutral immigration model and mass-balance model with operational parameters. SAG differed with AS, and higher immigration impact on SAG was confirmed by both models. Adding the SAG community segregation in the latter model to evaluate the contribution of influent immigration to community disturbance-recovery showed increased impact of immigration.



中文翻译:

不同规模的社区隔离对进水微生物迁移至活性污泥的评估

分析了活性污泥(AS)微生物群落的季节性变化,扰动恢复事件和分离的小聚集体(SAG),以使用中性移民模型和具有操作参数的质量平衡模型研究进水移民效果。SAG与AS有所不同,两种模型都证实了对SAG的更高移民影响。在后一种模型中添加SAG社区隔离以评估进水移民对社区扰乱恢复的贡献,显示出移民影响的增加。

更新日期:2021-03-22
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