Comparative Analysis of the Effectiveness of Regulation of Aeration Depending on the Quantitative Characteristics of Treated Sewage Water

Table 2

Concentration of dissolved oxygen in aerated tanks of WWTP 2.

Measurement method	Aerated tanks
	Number 1		Number 2		Number 3		Number 4		Number 5		Number 6
	2nd pass	Outlet	2nd pass	Outlet	2nd pass	Outlet	2nd pass	Outlet	2nd pass	Outlet	2nd pass	Outlet
Treatment plant sensor	0.18	0.25	9.9	6.04	5.69	0.24	8.55	4.01	6.3	0.29	0.32	0.19
Oxygen analyzer data	0.44	0.41	3.67	2.33	3.4	0.54	2.69	1.73	3.15	2.6	0.11	0.37
Laboratory measurement results	—	0.96	—	3.12	—	2.24	—	1.68	—	2.56	—	0.37