Parameter

Influent (mg/l)

Classification

Effluent (mg/l)

Removal Efficiency %

T-Test

BOD₅

328.6 ± 61.3

Medium

128.3 ± 45.1

46.7

2.41E−06

COD

429 ± 109.4

Medium

215.3 ± 88.4

49.9

1.12E−06

TSS

228.7 ± 30.4

Medium

123.3 ± 19.6

45.8

1.12E−12

SO₄

604.7 ± 202.4

High

639.4 ± 215.3

-

0.642609

PO₄

3.7 ± 1.2

High

2.5 ± 1.1

27.3

0.005307

Cl

362.5 ± 19.9

High

351.3 ± 24.9

3.1

0.171306

Oil & Grease

240.0 ± 30.9

High

118.3 ± 60.2

-

0.890743