Table 6 Variance analysis for filtration efficiency in muddy water.

From: Establishment of predictive models for head loss and filtration efficiency of pontoon mesh rotary filter based on dimension analysis

Source of error

Sum of squares

Degrees of freedom

Mean square

F value

P value

Flow rate

0.043

4

0.011

3.139

0.020*

Sand content

0.211

4

0.053

49.717

9.4211E−20***

Aperture of filter screen

0.022

2

0.011

2.951

0.059

Errors

0.338

212

0.008

  

Total

0.714

222

   
  1. Significance, ***p < 0.001, **p < 0.01, *p < 0.05.