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Fig. 2 | Annals of Microbiology

Fig. 2

From: Sustainable municipal wastewater treatment using an innovative integrated compact unit: microbial communities, parasite removal, and techno-economic analysis

Fig. 2

Correlogram showed the correlation between the removal of different environmental parameters and bacterial indicators in the integrated wastewater treatment unit. The blue color gradient indicated positive correlation levels; the red color gradient indicated negative correlation levels. *** P < 0.001, ** P < 0.01, *P < 0.05

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