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Table 4 Treatment of CLWW using EPS alone and in the combination with alum

From: Treatment of laundry wastewater using extracellular polymeric substances (EPS)

Treatment

EPS concentration (g/L)

Removal (%) using S-EPS

Removal (%) using B-EPS

Turbidity

TSS

TS

COD

Turbidity

TSS

TS

COD

CLWW

0.1

34.45

29.65

30.49

34.47

10.55

9.46

10.79

11.22

0.2

68.82

56.28

51.36

60.21

30.73

23.54

23.60

32.94

0.3

76.00

68.08

60.01

68.82

38.64

32.85

33.98

36.35

0.4

78.91

70.28

66.48

71.64

45.55

39.25

38.32

38.36

0.5

81.73

76.21

73.41

74.73

50.55

45.19

42.96

41.55

0.6

83.27

77.69

78.66

76.37

51.64

48.38

46.15

43.64

CLWW + Alum

0.1

69.09

36.13

45.00

44.76

63.45

42.43

37.26

27.84

0.2

77.09

63.78

52.01

49.94

67.09

47.61

44.48

36.13

0.3

83.36

72.46

65.91

63.06

69.82

52.63

47.16

40.27

0.4

85.09

77.80

76.46

66.68

72.64

59.62

54.43

50.63

0.5

88.64

85.02

83.19

71.17

72.73

66.66

62.93

56.84

0.6

98.09

95.42

94.80

83.08

76.36

67.76

65.57

67.20