Table 1 Pollutant concentrations removal (%) with the standard errors (SE) of the AS and MBR modules, in addition to the statistical significance levels (P-value) of pollutants concentration from the Inlet to outlet in each module.

From: An inclusive solution based on grey water footprint for performance evaluation of industrial wastewater treatment systems

Pollutants

Removal ± SE (%)

p-value

Pollutants

Removal ± SE (%)

p-value

AS

MBR

AS

MBR

AS

MBR

AS

MBR

TKN

96.2 ± 2.70

99.1 ± 0.30

0.005

0.005

Cr

46.1 ± 18.7

36.4 ± 8.30

0.230

0.378

BOD

97.2 ± 1.20

98.0 ± 0.80

0.005

0.005

Cs

68.4 ± 5.10

62.2 ± 10.0

0.471

0.471

TSS

97.6 ± 0.90

99.3 ± 0.20

0.005

0.005

Cu

33.8 ± 13.3

57.9 ± 7.10

0.575

0.230

P

57.1 ± 15.2

72.5 ± 4.30

0.128

0.093

Fe

61.0 ± 12.2

63.7 ± 12.2

0.173

0.066

PO4

86.0 ± 2.20

86.6 ± 1.90

0.005

0.005

Ga

44.9 ± 15.6

33.4 ± 10.4

0.230

0.575

COD

94.9 ± 0.60

96.3 ± 0.60

0.005

0.005

Hg

66.2 ± 9.90

69.2 ± 12.6

0.471

0.471

FOG

92.4 ± 1.60

90.6 ± 3.70

0.005

0.005

Li

36.9 ± 12.9

31.2 ± 9.20

0.337

0.423

Cl

18.4 ± 8.10

19.0 ± 8.10

0.378

0.378

Mn

56.2 ± 12.7

78.2 ± 10.1

0.230

0.045

NO2

0.00

0.00

–

–

Mo

49.3 ± 12.7

42.0 ± 10.5

0.378

0.471

NO3

0.00

0.00

–

–

Ni

68.0 ± 13.6

69.1 ± 7.50

0.230

0.230

ABS

84.4 ± 2.40

86.9 ± 2.50

0.081

0.081

Pb

74.6 ± 15.6

76.1 ± 9.70

0.230

0.230

Ag

24.3 ± 10.2

51.3 ± 7.20

0.471

0.230

Sb

66.0 ± 9.30

69.4 ± 3.30

0.936

0.936

Al

84.0 ± 5.90

87.7 ± 4.20

0.060

0.037

Se

59.0 ± 9.10

69.2 ± 10.4

0.378

0.378

As

42.3 ± 15.3

41.4 ± 4.60

0.471

0.378

Si

48.0 ± 16.2

41.6 ± 15.4

0.093

0.128

Ba

53.4 ± 13.4

66.2 ± 5.30

0.631

0.337

Sn

31.6 ± 14.1

59.1 ± 11.3

0.471

0.298

Be

28.4 ± 7.10

22.3 ± 13.3

0.471

0.575

Sr

50.8 ± 13.5

56.4 ± 12.7

0.173

0.173

Cd

91.3 ± 3.20

70.2 ± 12.7

0.230

0.230

V

68.8 ± 4.90

67.1 ± 10.7

0.471

0.471

Co

60.8 ± 11.0

59.3 ± 11.6

0.230

0.230

Zn

58.7 ± 5.20

68.2 ± 11.9

0.230

0.230

Back to article page