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Table 5 Fouling mechanisms, model, and fouling parameters obtained from Hermia’s model

From: Separation properties and fouling resistance of polyethersulfone membrane modified by fungal chitosan

Fouling mechanims

Model

Equation

R2

Fouling parameter (K)

   

PES

PES/CS-5%

PES

PES/CS-5%

Cake formation

Model 1

1/J = 1/Jo2 + Kcf.t

0.8677

0.8993

5.35 × 10− 5

2.22 × 10− 5

Standard blocking

Model 2

1/J0.5= 1/Jo0.5+ Ksbt

0.9425

0.8378

1.34 × 10− 3

1.11 × 10− 3

Intermediate blocking

Model 3

1/J = 1/Jo + Kibt

0.9400

0.8686

5.67 × 10− 4

3.71 × 10− 4

Complete blocking

Model 4

ln (J) = ln (Jo) – Kcbt

0.9133

0.7965

1.30 × 10− 2

1.35 × 10− 2