Analysis and Forecasting of the Energy Consumption in Wastewater Treatment Plant

Table 3

The partial correlation coefficient among energy consumption and the influencing factors in different categories.

	Pearson Correlation	Inflow loads	COD removal	Total nitrogen removal
Index1	Energy consumption	0.226	0.374	0.283
	Sig. (2-tailed)	0.004	0.000	0.000
Index2	Energy consumption	0.338	0.516	0.575
	Sig. (2-tailed)	0.000	0.000	.000
Index3	Energy consumption	0.517	0.323	0.355
	Sig. (2-tailed)	0.000	0.004	0.001